5010 lines
206 KiB
Java
5010 lines
206 KiB
Java
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/*
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* Copyright (C) 2014 The Android Open Source Project
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* Copyright (c) 2003, 2021, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package java.util;
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import android.compat.Compatibility;
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import android.compat.annotation.ChangeId;
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import android.compat.annotation.EnabledSince;
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import dalvik.annotation.compat.VersionCodes;
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import dalvik.system.VMRuntime;
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import java.io.BufferedWriter;
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import java.io.Closeable;
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import java.io.IOException;
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import java.io.File;
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import java.io.FileOutputStream;
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import java.io.FileNotFoundException;
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import java.io.Flushable;
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import java.io.OutputStream;
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import java.io.OutputStreamWriter;
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import java.io.PrintStream;
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import java.io.UnsupportedEncodingException;
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import java.math.BigDecimal;
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import java.math.BigInteger;
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import java.math.MathContext;
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import java.math.RoundingMode;
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import java.nio.charset.Charset;
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import java.nio.charset.IllegalCharsetNameException;
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import java.nio.charset.UnsupportedCharsetException;
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import java.text.DateFormatSymbols;
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import java.text.DecimalFormat;
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import java.text.DecimalFormatSymbols;
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import java.text.NumberFormat;
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import java.time.DateTimeException;
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import java.time.Instant;
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import java.time.ZoneId;
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import java.time.ZoneOffset;
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import java.time.temporal.ChronoField;
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import java.time.temporal.TemporalAccessor;
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import java.time.temporal.TemporalQueries;
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import java.time.temporal.UnsupportedTemporalTypeException;
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import libcore.icu.DecimalFormatData;
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import libcore.icu.LocaleData;
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import jdk.internal.math.DoubleConsts;
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import jdk.internal.math.FormattedFloatingDecimal;
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// Android-changed: Use localized exponent separator for %e.
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/**
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* An interpreter for printf-style format strings. This class provides support
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* for layout justification and alignment, common formats for numeric, string,
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* and date/time data, and locale-specific output. Common Java types such as
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* {@code byte}, {@link java.math.BigDecimal BigDecimal}, and {@link Calendar}
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* are supported. Limited formatting customization for arbitrary user types is
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* provided through the {@link Formattable} interface.
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*
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* <p> Formatters are not necessarily safe for multithreaded access. Thread
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* safety is optional and is the responsibility of users of methods in this
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* class.
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*
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* <p> Formatted printing for the Java language is heavily inspired by C's
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* {@code printf}. Although the format strings are similar to C, some
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* customizations have been made to accommodate the Java language and exploit
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* some of its features. Also, Java formatting is more strict than C's; for
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* example, if a conversion is incompatible with a flag, an exception will be
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* thrown. In C inapplicable flags are silently ignored. The format strings
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* are thus intended to be recognizable to C programmers but not necessarily
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* completely compatible with those in C.
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*
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* <p> Examples of expected usage:
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*
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* <blockquote><pre>
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* StringBuilder sb = new StringBuilder();
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* // Send all output to the Appendable object sb
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* Formatter formatter = new Formatter(sb, Locale.US);
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*
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* // Explicit argument indices may be used to re-order output.
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* formatter.format("%4$2s %3$2s %2$2s %1$2s", "a", "b", "c", "d")
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* // -> " d c b a"
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*
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* // Optional locale as the first argument can be used to get
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* // locale-specific formatting of numbers. The precision and width can be
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* // given to round and align the value.
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* formatter.format(Locale.FRANCE, "e = %+10.4f", Math.E);
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* // -> "e = +2,7183"
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*
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* // The '(' numeric flag may be used to format negative numbers with
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* // parentheses rather than a minus sign. Group separators are
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* // automatically inserted.
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* formatter.format("Amount gained or lost since last statement: $ %(,.2f",
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* balanceDelta);
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* // -> "Amount gained or lost since last statement: $ (6,217.58)"
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* </pre></blockquote>
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*
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* <p> Convenience methods for common formatting requests exist as illustrated
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* by the following invocations:
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*
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* <blockquote><pre>
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* // Writes a formatted string to System.out.
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* System.out.format("Local time: %tT", Calendar.getInstance());
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* // -> "Local time: 13:34:18"
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*
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* // Writes formatted output to System.err.
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* System.err.printf("Unable to open file '%1$s': %2$s",
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* fileName, exception.getMessage());
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* // -> "Unable to open file 'food': No such file or directory"
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* </pre></blockquote>
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*
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* <p> Like C's {@code sprintf(3)}, Strings may be formatted using the static
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* method {@link String#format(String,Object...) String.format}:
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*
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* <blockquote><pre>
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* // Format a string containing a date.
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* import java.util.Calendar;
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* import java.util.GregorianCalendar;
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* import static java.util.Calendar.*;
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*
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* Calendar c = new GregorianCalendar(1995, MAY, 23);
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* String s = String.format("Duke's Birthday: %1$tb %1$te, %1$tY", c);
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* // -> s == "Duke's Birthday: May 23, 1995"
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* </pre></blockquote>
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*
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* <h2><a id="org">Organization</a></h2>
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*
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* <p> This specification is divided into two sections. The first section, <a
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* href="#summary">Summary</a>, covers the basic formatting concepts. This
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* section is intended for users who want to get started quickly and are
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* familiar with formatted printing in other programming languages. The second
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* section, <a href="#detail">Details</a>, covers the specific implementation
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* details. It is intended for users who want more precise specification of
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* formatting behavior.
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*
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* <h2><a id="summary">Summary</a></h2>
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*
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* <p> This section is intended to provide a brief overview of formatting
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* concepts. For precise behavioral details, refer to the <a
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* href="#detail">Details</a> section.
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*
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* <h3><a id="syntax">Format String Syntax</a></h3>
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*
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* <p> Every method which produces formatted output requires a <i>format
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* string</i> and an <i>argument list</i>. The format string is a {@link
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* String} which may contain fixed text and one or more embedded <i>format
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* specifiers</i>. Consider the following example:
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*
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* <blockquote><pre>
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* Calendar c = ...;
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* String s = String.format("Duke's Birthday: %1$tm %1$te,%1$tY", c);
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* </pre></blockquote>
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*
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* This format string is the first argument to the {@code format} method. It
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* contains three format specifiers "{@code %1$tm}", "{@code %1$te}", and
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* "{@code %1$tY}" which indicate how the arguments should be processed and
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* where they should be inserted in the text. The remaining portions of the
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* format string are fixed text including {@code "Dukes Birthday: "} and any
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* other spaces or punctuation.
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*
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* The argument list consists of all arguments passed to the method after the
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* format string. In the above example, the argument list is of size one and
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* consists of the {@link java.util.Calendar Calendar} object {@code c}.
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*
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* <ul>
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*
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* <li> The format specifiers for general, character, and numeric types have
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* the following syntax:
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*
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* <blockquote><pre>
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* %[argument_index$][flags][width][.precision]conversion
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* </pre></blockquote>
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*
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* <p> The optional <i>argument_index</i> is a decimal integer indicating the
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* position of the argument in the argument list. The first argument is
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* referenced by "{@code 1$}", the second by "{@code 2$}", etc.
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*
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* <p> The optional <i>flags</i> is a set of characters that modify the output
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* format. The set of valid flags depends on the conversion.
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*
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* <p> The optional <i>width</i> is a positive decimal integer indicating
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* the minimum number of characters to be written to the output.
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*
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* <p> The optional <i>precision</i> is a non-negative decimal integer usually
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* used to restrict the number of characters. The specific behavior depends on
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* the conversion.
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*
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* <p> The required <i>conversion</i> is a character indicating how the
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* argument should be formatted. The set of valid conversions for a given
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* argument depends on the argument's data type.
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*
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* <li> The format specifiers for types which are used to represents dates and
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* times have the following syntax:
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*
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* <blockquote><pre>
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* %[argument_index$][flags][width]conversion
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* </pre></blockquote>
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*
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* <p> The optional <i>argument_index</i>, <i>flags</i> and <i>width</i> are
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* defined as above.
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*
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* <p> The required <i>conversion</i> is a two character sequence. The first
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* character is {@code 't'} or {@code 'T'}. The second character indicates
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* the format to be used. These characters are similar to but not completely
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* identical to those defined by GNU {@code date} and POSIX
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* {@code strftime(3c)}.
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*
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* <li> The format specifiers which do not correspond to arguments have the
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* following syntax:
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*
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* <blockquote><pre>
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* %[flags][width]conversion
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* </pre></blockquote>
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*
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* <p> The optional <i>flags</i> and <i>width</i> is defined as above.
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*
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* <p> The required <i>conversion</i> is a character indicating content to be
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* inserted in the output.
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*
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* </ul>
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*
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* <h3> Conversions </h3>
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*
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* <p> Conversions are divided into the following categories:
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*
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* <ol>
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*
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* <li> <b>General</b> - may be applied to any argument
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* type
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*
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* <li> <b>Character</b> - may be applied to basic types which represent
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* Unicode characters: {@code char}, {@link Character}, {@code byte}, {@link
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* Byte}, {@code short}, and {@link Short}. This conversion may also be
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* applied to the types {@code int} and {@link Integer} when {@link
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* Character#isValidCodePoint} returns {@code true}
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*
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* <li> <b>Numeric</b>
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*
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* <ol>
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*
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* <li> <b>Integral</b> - may be applied to Java integral types: {@code byte},
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* {@link Byte}, {@code short}, {@link Short}, {@code int} and {@link
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* Integer}, {@code long}, {@link Long}, and {@link java.math.BigInteger
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* BigInteger} (but not {@code char} or {@link Character})
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*
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* <li><b>Floating Point</b> - may be applied to Java floating-point types:
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* {@code float}, {@link Float}, {@code double}, {@link Double}, and {@link
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* java.math.BigDecimal BigDecimal}
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*
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* </ol>
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*
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* <li> <b>Date/Time</b> - may be applied to Java types which are capable of
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* encoding a date or time: {@code long}, {@link Long}, {@link Calendar},
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* {@link Date} and {@link TemporalAccessor TemporalAccessor}
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*
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* <li> <b>Percent</b> - produces a literal {@code '%'}
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* (<code>'\u0025'</code>)
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*
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* <li> <b>Line Separator</b> - produces the platform-specific line separator
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*
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* </ol>
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*
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* <p> For category <i>General</i>, <i>Character</i>, <i>Numeric</i>,
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* <i>Integral</i> and <i>Date/Time</i> conversion, unless otherwise specified,
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* if the argument <i>arg</i> is {@code null}, then the result is "{@code null}".
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*
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* <p> The following table summarizes the supported conversions. Conversions
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* denoted by an upper-case character (i.e. {@code 'B'}, {@code 'H'},
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* {@code 'S'}, {@code 'C'}, {@code 'X'}, {@code 'E'}, {@code 'G'},
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* {@code 'A'}, and {@code 'T'}) are the same as those for the corresponding
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* lower-case conversion characters except that the result is converted to
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* upper case according to the rules of the prevailing {@link java.util.Locale
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* Locale}. If there is no explicit locale specified, either at the
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* construction of the instance or as a parameter to its method
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* invocation, then the {@link java.util.Locale.Category#FORMAT default locale}
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* is used.
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*
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*
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* <table class="striped">
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* <caption style="display:none">genConv</caption>
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* <thead>
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* <tr><th scope="col" style="vertical-align:bottom"> Conversion
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* <th scope="col" style="vertical-align:bottom"> Argument Category
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* <th scope="col" style="vertical-align:bottom"> Description
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* </thead>
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* <tbody>
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* <tr><th scope="row" style="vertical-align:top"> {@code 'b'}, {@code 'B'}
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* <td style="vertical-align:top"> general
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* <td> If the argument <i>arg</i> is {@code null}, then the result is
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* "{@code false}". If <i>arg</i> is a {@code boolean} or {@link
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* Boolean}, then the result is the string returned by {@link
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* String#valueOf(boolean) String.valueOf(arg)}. Otherwise, the result is
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* "true".
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*
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* <tr><th scope="row" style="vertical-align:top"> {@code 'h'}, {@code 'H'}
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* <td style="vertical-align:top"> general
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||
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* <td> The result is obtained by invoking
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* {@code Integer.toHexString(arg.hashCode())}.
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*
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* <tr><th scope="row" style="vertical-align:top"> {@code 's'}, {@code 'S'}
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* <td style="vertical-align:top"> general
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* <td> If <i>arg</i> implements {@link Formattable}, then
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* {@link Formattable#formatTo arg.formatTo} is invoked. Otherwise, the
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|
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* result is obtained by invoking {@code arg.toString()}.
|
||
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*
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* <tr><th scope="row" style="vertical-align:top">{@code 'c'}, {@code 'C'}
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* <td style="vertical-align:top"> character
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||
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* <td> The result is a Unicode character
|
||
|
|
*
|
||
|
|
* <tr><th scope="row" style="vertical-align:top">{@code 'd'}
|
||
|
|
* <td style="vertical-align:top"> integral
|
||
|
|
* <td> The result is formatted as a decimal integer
|
||
|
|
*
|
||
|
|
* <tr><th scope="row" style="vertical-align:top">{@code 'o'}
|
||
|
|
* <td style="vertical-align:top"> integral
|
||
|
|
* <td> The result is formatted as an octal integer
|
||
|
|
*
|
||
|
|
* <tr><th scope="row" style="vertical-align:top">{@code 'x'}, {@code 'X'}
|
||
|
|
* <td style="vertical-align:top"> integral
|
||
|
|
* <td> The result is formatted as a hexadecimal integer
|
||
|
|
*
|
||
|
|
* <tr><th scope="row" style="vertical-align:top">{@code 'e'}, {@code 'E'}
|
||
|
|
* <td style="vertical-align:top"> floating point
|
||
|
|
* <td> The result is formatted as a decimal number in computerized
|
||
|
|
* scientific notation
|
||
|
|
*
|
||
|
|
* <tr><th scope="row" style="vertical-align:top">{@code 'f'}
|
||
|
|
* <td style="vertical-align:top"> floating point
|
||
|
|
* <td> The result is formatted as a decimal number
|
||
|
|
*
|
||
|
|
* <tr><th scope="row" style="vertical-align:top">{@code 'g'}, {@code 'G'}
|
||
|
|
* <td style="vertical-align:top"> floating point
|
||
|
|
* <td> The result is formatted using computerized scientific notation or
|
||
|
|
* decimal format, depending on the precision and the value after rounding.
|
||
|
|
*
|
||
|
|
* <tr><th scope="row" style="vertical-align:top">{@code 'a'}, {@code 'A'}
|
||
|
|
* <td style="vertical-align:top"> floating point
|
||
|
|
* <td> The result is formatted as a hexadecimal floating-point number with
|
||
|
|
* a significand and an exponent. This conversion is <b>not</b> supported
|
||
|
|
* for the {@code BigDecimal} type despite the latter's being in the
|
||
|
|
* <i>floating point</i> argument category.
|
||
|
|
*
|
||
|
|
* <tr><th scope="row" style="vertical-align:top">{@code 't'}, {@code 'T'}
|
||
|
|
* <td style="vertical-align:top"> date/time
|
||
|
|
* <td> Prefix for date and time conversion characters. See <a
|
||
|
|
* href="#dt">Date/Time Conversions</a>.
|
||
|
|
*
|
||
|
|
* <tr><th scope="row" style="vertical-align:top">{@code '%'}
|
||
|
|
* <td style="vertical-align:top"> percent
|
||
|
|
* <td> The result is a literal {@code '%'} (<code>'\u0025'</code>)
|
||
|
|
*
|
||
|
|
* <tr><th scope="row" style="vertical-align:top">{@code 'n'}
|
||
|
|
* <td style="vertical-align:top"> line separator
|
||
|
|
* <td> The result is the platform-specific line separator
|
||
|
|
*
|
||
|
|
* </tbody>
|
||
|
|
* </table>
|
||
|
|
*
|
||
|
|
* <p> Any characters not explicitly defined as conversions are illegal and are
|
||
|
|
* reserved for future extensions.
|
||
|
|
*
|
||
|
|
* <h3><a id="dt">Date/Time Conversions</a></h3>
|
||
|
|
*
|
||
|
|
* <p> The following date and time conversion suffix characters are defined for
|
||
|
|
* the {@code 't'} and {@code 'T'} conversions. The types are similar to but
|
||
|
|
* not completely identical to those defined by GNU {@code date} and POSIX
|
||
|
|
* {@code strftime(3c)}. Additional conversion types are provided to access
|
||
|
|
* Java-specific functionality (e.g. {@code 'L'} for milliseconds within the
|
||
|
|
* second).
|
||
|
|
*
|
||
|
|
* <p> The following conversion characters are used for formatting times:
|
||
|
|
*
|
||
|
|
* <table class="striped">
|
||
|
|
* <caption style="display:none">time</caption>
|
||
|
|
* <tbody>
|
||
|
|
* <tr><th scope="row" style="vertical-align:top"> {@code 'H'}
|
||
|
|
* <td> Hour of the day for the 24-hour clock, formatted as two digits with
|
||
|
|
* a leading zero as necessary i.e. {@code 00 - 23}.
|
||
|
|
*
|
||
|
|
* <tr><th scope="row" style="vertical-align:top">{@code 'I'}
|
||
|
|
* <td> Hour for the 12-hour clock, formatted as two digits with a leading
|
||
|
|
* zero as necessary, i.e. {@code 01 - 12}.
|
||
|
|
*
|
||
|
|
* <tr><th scope="row" style="vertical-align:top">{@code 'k'}
|
||
|
|
* <td> Hour of the day for the 24-hour clock, i.e. {@code 0 - 23}.
|
||
|
|
*
|
||
|
|
* <tr><th scope="row" style="vertical-align:top">{@code 'l'}
|
||
|
|
* <td> Hour for the 12-hour clock, i.e. {@code 1 - 12}.
|
||
|
|
*
|
||
|
|
* <tr><th scope="row" style="vertical-align:top">{@code 'M'}
|
||
|
|
* <td> Minute within the hour formatted as two digits with a leading zero
|
||
|
|
* as necessary, i.e. {@code 00 - 59}.
|
||
|
|
*
|
||
|
|
* <tr><th scope="row" style="vertical-align:top">{@code 'S'}
|
||
|
|
* <td> Seconds within the minute, formatted as two digits with a leading
|
||
|
|
* zero as necessary, i.e. {@code 00 - 60} ("{@code 60}" is a special
|
||
|
|
* value required to support leap seconds).
|
||
|
|
*
|
||
|
|
* <tr><th scope="row" style="vertical-align:top">{@code 'L'}
|
||
|
|
* <td> Millisecond within the second formatted as three digits with
|
||
|
|
* leading zeros as necessary, i.e. {@code 000 - 999}.
|
||
|
|
*
|
||
|
|
* <tr><th scope="row" style="vertical-align:top">{@code 'N'}
|
||
|
|
* <td> Nanosecond within the second, formatted as nine digits with leading
|
||
|
|
* zeros as necessary, i.e. {@code 000000000 - 999999999}.
|
||
|
|
*
|
||
|
|
* <tr><th scope="row" style="vertical-align:top">{@code 'p'}
|
||
|
|
* <td> Locale-specific {@linkplain
|
||
|
|
* java.text.DateFormatSymbols#getAmPmStrings morning or afternoon} marker
|
||
|
|
* in lower case, e.g."{@code am}" or "{@code pm}". Use of the conversion
|
||
|
|
* prefix {@code 'T'} forces this output to upper case.
|
||
|
|
*
|
||
|
|
* <tr><th scope="row" style="vertical-align:top">{@code 'z'}
|
||
|
|
* <td> <a href="http://www.ietf.org/rfc/rfc0822.txt">RFC 822</a>
|
||
|
|
* style numeric time zone offset from GMT, e.g. {@code -0800}. This
|
||
|
|
* value will be adjusted as necessary for Daylight Saving Time. For
|
||
|
|
* {@code long}, {@link Long}, and {@link Date} the time zone used is
|
||
|
|
* the {@linkplain TimeZone#getDefault() default time zone} for this
|
||
|
|
* instance of the Java virtual machine.
|
||
|
|
*
|
||
|
|
* <tr><th scope="row" style="vertical-align:top">{@code 'Z'}
|
||
|
|
* <td> A string representing the abbreviation for the time zone. This
|
||
|
|
* value will be adjusted as necessary for Daylight Saving Time. For
|
||
|
|
* {@code long}, {@link Long}, and {@link Date} the time zone used is
|
||
|
|
* the {@linkplain TimeZone#getDefault() default time zone} for this
|
||
|
|
* instance of the Java virtual machine. The Formatter's locale will
|
||
|
|
* supersede the locale of the argument (if any).
|
||
|
|
*
|
||
|
|
* <tr><th scope="row" style="vertical-align:top">{@code 's'}
|
||
|
|
* <td> Seconds since the beginning of the epoch starting at 1 January 1970
|
||
|
|
* {@code 00:00:00} UTC, i.e. {@code Long.MIN_VALUE/1000} to
|
||
|
|
* {@code Long.MAX_VALUE/1000}.
|
||
|
|
*
|
||
|
|
* <tr><th scope="row" style="vertical-align:top">{@code 'Q'}
|
||
|
|
* <td> Milliseconds since the beginning of the epoch starting at 1 January
|
||
|
|
* 1970 {@code 00:00:00} UTC, i.e. {@code Long.MIN_VALUE} to
|
||
|
|
* {@code Long.MAX_VALUE}.
|
||
|
|
*
|
||
|
|
* </tbody>
|
||
|
|
* </table>
|
||
|
|
*
|
||
|
|
* <p> The following conversion characters are used for formatting dates:
|
||
|
|
*
|
||
|
|
* <table class="striped">
|
||
|
|
* <caption style="display:none">date</caption>
|
||
|
|
* <tbody>
|
||
|
|
*
|
||
|
|
* <tr><th scope="row" style="vertical-align:top">{@code 'B'}
|
||
|
|
* <td> Locale-specific {@linkplain java.text.DateFormatSymbols#getMonths
|
||
|
|
* full month name}, e.g. {@code "January"}, {@code "February"}.
|
||
|
|
*
|
||
|
|
* <tr><th scope="row" style="vertical-align:top">{@code 'b'}
|
||
|
|
* <td> Locale-specific {@linkplain
|
||
|
|
* java.text.DateFormatSymbols#getShortMonths abbreviated month name},
|
||
|
|
* e.g. {@code "Jan"}, {@code "Feb"}.
|
||
|
|
*
|
||
|
|
* <tr><th scope="row" style="vertical-align:top">{@code 'h'}
|
||
|
|
* <td> Same as {@code 'b'}.
|
||
|
|
*
|
||
|
|
* <tr><th scope="row" style="vertical-align:top">{@code 'A'}
|
||
|
|
* <td> Locale-specific full name of the {@linkplain
|
||
|
|
* java.text.DateFormatSymbols#getWeekdays day of the week},
|
||
|
|
* e.g. {@code "Sunday"}, {@code "Monday"}
|
||
|
|
*
|
||
|
|
* <tr><th scope="row" style="vertical-align:top">{@code 'a'}
|
||
|
|
* <td> Locale-specific short name of the {@linkplain
|
||
|
|
* java.text.DateFormatSymbols#getShortWeekdays day of the week},
|
||
|
|
* e.g. {@code "Sun"}, {@code "Mon"}
|
||
|
|
*
|
||
|
|
* <tr><th scope="row" style="vertical-align:top">{@code 'C'}
|
||
|
|
* <td> Four-digit year divided by {@code 100}, formatted as two digits
|
||
|
|
* with leading zero as necessary, i.e. {@code 00 - 99}
|
||
|
|
*
|
||
|
|
* <tr><th scope="row" style="vertical-align:top">{@code 'Y'}
|
||
|
|
* <td> Year, formatted as at least four digits with leading zeros as
|
||
|
|
* necessary, e.g. {@code 0092} equals {@code 92} CE for the Gregorian
|
||
|
|
* calendar.
|
||
|
|
*
|
||
|
|
* <tr><th scope="row" style="vertical-align:top">{@code 'y'}
|
||
|
|
* <td> Last two digits of the year, formatted with leading zeros as
|
||
|
|
* necessary, i.e. {@code 00 - 99}.
|
||
|
|
*
|
||
|
|
* <tr><th scope="row" style="vertical-align:top">{@code 'j'}
|
||
|
|
* <td> Day of year, formatted as three digits with leading zeros as
|
||
|
|
* necessary, e.g. {@code 001 - 366} for the Gregorian calendar.
|
||
|
|
*
|
||
|
|
* <tr><th scope="row" style="vertical-align:top">{@code 'm'}
|
||
|
|
* <td> Month, formatted as two digits with leading zeros as necessary,
|
||
|
|
* i.e. {@code 01 - 13}.
|
||
|
|
*
|
||
|
|
* <tr><th scope="row" style="vertical-align:top">{@code 'd'}
|
||
|
|
* <td> Day of month, formatted as two digits with leading zeros as
|
||
|
|
* necessary, i.e. {@code 01 - 31}
|
||
|
|
*
|
||
|
|
* <tr><th scope="row" style="vertical-align:top">{@code 'e'}
|
||
|
|
* <td> Day of month, formatted as two digits, i.e. {@code 1 - 31}.
|
||
|
|
*
|
||
|
|
* </tbody>
|
||
|
|
* </table>
|
||
|
|
*
|
||
|
|
* <p> The following conversion characters are used for formatting common
|
||
|
|
* date/time compositions.
|
||
|
|
*
|
||
|
|
* <table class="striped">
|
||
|
|
* <caption style="display:none">composites</caption>
|
||
|
|
* <tbody>
|
||
|
|
*
|
||
|
|
* <tr><th scope="row" style="vertical-align:top">{@code 'R'}
|
||
|
|
* <td> Time formatted for the 24-hour clock as {@code "%tH:%tM"}
|
||
|
|
*
|
||
|
|
* <tr><th scope="row" style="vertical-align:top">{@code 'T'}
|
||
|
|
* <td> Time formatted for the 24-hour clock as {@code "%tH:%tM:%tS"}.
|
||
|
|
*
|
||
|
|
* <tr><th scope="row" style="vertical-align:top">{@code 'r'}
|
||
|
|
* <td> Time formatted for the 12-hour clock as {@code "%tI:%tM:%tS %Tp"}.
|
||
|
|
* The location of the morning or afternoon marker ({@code '%Tp'}) may be
|
||
|
|
* locale-dependent.
|
||
|
|
*
|
||
|
|
* <tr><th scope="row" style="vertical-align:top">{@code 'D'}
|
||
|
|
* <td> Date formatted as {@code "%tm/%td/%ty"}.
|
||
|
|
*
|
||
|
|
* <tr><th scope="row" style="vertical-align:top">{@code 'F'}
|
||
|
|
* <td> <a href="http://www.w3.org/TR/NOTE-datetime">ISO 8601</a>
|
||
|
|
* complete date formatted as {@code "%tY-%tm-%td"}.
|
||
|
|
*
|
||
|
|
* <tr><th scope="row" style="vertical-align:top">{@code 'c'}
|
||
|
|
* <td> Date and time formatted as {@code "%ta %tb %td %tT %tZ %tY"},
|
||
|
|
* e.g. {@code "Sun Jul 20 16:17:00 EDT 1969"}.
|
||
|
|
*
|
||
|
|
* </tbody>
|
||
|
|
* </table>
|
||
|
|
*
|
||
|
|
* <p> Any characters not explicitly defined as date/time conversion suffixes
|
||
|
|
* are illegal and are reserved for future extensions.
|
||
|
|
*
|
||
|
|
* <h3> Flags </h3>
|
||
|
|
*
|
||
|
|
* <p> The following table summarizes the supported flags. <i>y</i> means the
|
||
|
|
* flag is supported for the indicated argument types.
|
||
|
|
*
|
||
|
|
* <table class="striped">
|
||
|
|
* <caption style="display:none">genConv</caption>
|
||
|
|
* <thead>
|
||
|
|
* <tr><th scope="col" style="vertical-align:bottom"> Flag <th scope="col" style="vertical-align:bottom"> General
|
||
|
|
* <th scope="col" style="vertical-align:bottom"> Character <th scope="col" style="vertical-align:bottom"> Integral
|
||
|
|
* <th scope="col" style="vertical-align:bottom"> Floating Point
|
||
|
|
* <th scope="col" style="vertical-align:bottom"> Date/Time
|
||
|
|
* <th scope="col" style="vertical-align:bottom"> Description
|
||
|
|
* </thead>
|
||
|
|
* <tbody>
|
||
|
|
* <tr><th scope="row"> '-' <td style="text-align:center; vertical-align:top"> y
|
||
|
|
* <td style="text-align:center; vertical-align:top"> y
|
||
|
|
* <td style="text-align:center; vertical-align:top"> y
|
||
|
|
* <td style="text-align:center; vertical-align:top"> y
|
||
|
|
* <td style="text-align:center; vertical-align:top"> y
|
||
|
|
* <td> The result will be left-justified.
|
||
|
|
*
|
||
|
|
* <tr><th scope="row"> '#' <td style="text-align:center; vertical-align:top"> y<sup>1</sup>
|
||
|
|
* <td style="text-align:center; vertical-align:top"> -
|
||
|
|
* <td style="text-align:center; vertical-align:top"> y<sup>3</sup>
|
||
|
|
* <td style="text-align:center; vertical-align:top"> y
|
||
|
|
* <td style="text-align:center; vertical-align:top"> -
|
||
|
|
* <td> The result should use a conversion-dependent alternate form
|
||
|
|
*
|
||
|
|
* <tr><th scope="row"> '+' <td style="text-align:center; vertical-align:top"> -
|
||
|
|
* <td style="text-align:center; vertical-align:top"> -
|
||
|
|
* <td style="text-align:center; vertical-align:top"> y<sup>4</sup>
|
||
|
|
* <td style="text-align:center; vertical-align:top"> y
|
||
|
|
* <td style="text-align:center; vertical-align:top"> -
|
||
|
|
* <td> The result will always include a sign
|
||
|
|
*
|
||
|
|
* <tr><th scope="row"> ' ' <td style="text-align:center; vertical-align:top"> -
|
||
|
|
* <td style="text-align:center; vertical-align:top"> -
|
||
|
|
* <td style="text-align:center; vertical-align:top"> y<sup>4</sup>
|
||
|
|
* <td style="text-align:center; vertical-align:top"> y
|
||
|
|
* <td style="text-align:center; vertical-align:top"> -
|
||
|
|
* <td> The result will include a leading space for positive values
|
||
|
|
*
|
||
|
|
* <tr><th scope="row"> '0' <td style="text-align:center; vertical-align:top"> -
|
||
|
|
* <td style="text-align:center; vertical-align:top"> -
|
||
|
|
* <td style="text-align:center; vertical-align:top"> y
|
||
|
|
* <td style="text-align:center; vertical-align:top"> y
|
||
|
|
* <td style="text-align:center; vertical-align:top"> -
|
||
|
|
* <td> The result will be zero-padded
|
||
|
|
*
|
||
|
|
* <tr><th scope="row"> ',' <td style="text-align:center; vertical-align:top"> -
|
||
|
|
* <td style="text-align:center; vertical-align:top"> -
|
||
|
|
* <td style="text-align:center; vertical-align:top"> y<sup>2</sup>
|
||
|
|
* <td style="text-align:center; vertical-align:top"> y<sup>5</sup>
|
||
|
|
* <td style="text-align:center; vertical-align:top"> -
|
||
|
|
* <td> The result will include locale-specific {@linkplain
|
||
|
|
* java.text.DecimalFormatSymbols#getGroupingSeparator grouping separators}
|
||
|
|
*
|
||
|
|
* <tr><th scope="row"> '(' <td style="text-align:center; vertical-align:top"> -
|
||
|
|
* <td style="text-align:center; vertical-align:top"> -
|
||
|
|
* <td style="text-align:center; vertical-align:top"> y<sup>4</sup>
|
||
|
|
* <td style="text-align:center; vertical-align:top"> y<sup>5</sup>
|
||
|
|
* <td style="text-align:center"> -
|
||
|
|
* <td> The result will enclose negative numbers in parentheses
|
||
|
|
*
|
||
|
|
* </tbody>
|
||
|
|
* </table>
|
||
|
|
*
|
||
|
|
* <p> <sup>1</sup> Depends on the definition of {@link Formattable}.
|
||
|
|
*
|
||
|
|
* <p> <sup>2</sup> For {@code 'd'} conversion only.
|
||
|
|
*
|
||
|
|
* <p> <sup>3</sup> For {@code 'o'}, {@code 'x'}, and {@code 'X'}
|
||
|
|
* conversions only.
|
||
|
|
*
|
||
|
|
* <p> <sup>4</sup> For {@code 'd'}, {@code 'o'}, {@code 'x'}, and
|
||
|
|
* {@code 'X'} conversions applied to {@link java.math.BigInteger BigInteger}
|
||
|
|
* or {@code 'd'} applied to {@code byte}, {@link Byte}, {@code short}, {@link
|
||
|
|
* Short}, {@code int} and {@link Integer}, {@code long}, and {@link Long}.
|
||
|
|
*
|
||
|
|
* <p> <sup>5</sup> For {@code 'e'}, {@code 'E'}, {@code 'f'},
|
||
|
|
* {@code 'g'}, and {@code 'G'} conversions only.
|
||
|
|
*
|
||
|
|
* <p> Any characters not explicitly defined as flags are illegal and are
|
||
|
|
* reserved for future extensions.
|
||
|
|
*
|
||
|
|
* <h3> Width </h3>
|
||
|
|
*
|
||
|
|
* <p> The width is the minimum number of characters to be written to the
|
||
|
|
* output. For the line separator conversion, width is not applicable; if it
|
||
|
|
* is provided, an exception will be thrown.
|
||
|
|
*
|
||
|
|
* <h3> Precision </h3>
|
||
|
|
*
|
||
|
|
* <p> For general argument types, the precision is the maximum number of
|
||
|
|
* characters to be written to the output.
|
||
|
|
*
|
||
|
|
* <p> For the floating-point conversions {@code 'a'}, {@code 'A'}, {@code 'e'},
|
||
|
|
* {@code 'E'}, and {@code 'f'} the precision is the number of digits after the
|
||
|
|
* radix point. If the conversion is {@code 'g'} or {@code 'G'}, then the
|
||
|
|
* precision is the total number of digits in the resulting magnitude after
|
||
|
|
* rounding.
|
||
|
|
*
|
||
|
|
* <p> For character, integral, and date/time argument types and the percent
|
||
|
|
* and line separator conversions, the precision is not applicable; if a
|
||
|
|
* precision is provided, an exception will be thrown.
|
||
|
|
*
|
||
|
|
* <h3> Argument Index </h3>
|
||
|
|
*
|
||
|
|
* <p> The argument index is a decimal integer indicating the position of the
|
||
|
|
* argument in the argument list. The first argument is referenced by
|
||
|
|
* "{@code 1$}", the second by "{@code 2$}", etc.
|
||
|
|
*
|
||
|
|
* <p> Another way to reference arguments by position is to use the
|
||
|
|
* {@code '<'} (<code>'\u003c'</code>) flag, which causes the argument for
|
||
|
|
* the previous format specifier to be re-used. For example, the following two
|
||
|
|
* statements would produce identical strings:
|
||
|
|
*
|
||
|
|
* <blockquote><pre>
|
||
|
|
* Calendar c = ...;
|
||
|
|
* String s1 = String.format("Duke's Birthday: %1$tm %1$te,%1$tY", c);
|
||
|
|
*
|
||
|
|
* String s2 = String.format("Duke's Birthday: %1$tm %<te,%<tY", c);
|
||
|
|
* </pre></blockquote>
|
||
|
|
*
|
||
|
|
* <hr>
|
||
|
|
* <h2><a id="detail">Details</a></h2>
|
||
|
|
*
|
||
|
|
* <p> This section is intended to provide behavioral details for formatting,
|
||
|
|
* including conditions and exceptions, supported data types, localization, and
|
||
|
|
* interactions between flags, conversions, and data types. For an overview of
|
||
|
|
* formatting concepts, refer to the <a href="#summary">Summary</a>
|
||
|
|
*
|
||
|
|
* <p> Any characters not explicitly defined as conversions, date/time
|
||
|
|
* conversion suffixes, or flags are illegal and are reserved for
|
||
|
|
* future extensions. Use of such a character in a format string will
|
||
|
|
* cause an {@link UnknownFormatConversionException} or {@link
|
||
|
|
* UnknownFormatFlagsException} to be thrown.
|
||
|
|
*
|
||
|
|
* <p> If the format specifier contains a width or precision with an invalid
|
||
|
|
* value or which is otherwise unsupported, then a {@link
|
||
|
|
* IllegalFormatWidthException} or {@link IllegalFormatPrecisionException}
|
||
|
|
* respectively will be thrown. Similarly, values of zero for an argument
|
||
|
|
* index will result in an {@link IllegalFormatException}.
|
||
|
|
*
|
||
|
|
* <p> If a format specifier contains a conversion character that is not
|
||
|
|
* applicable to the corresponding argument, then an {@link
|
||
|
|
* IllegalFormatConversionException} will be thrown.
|
||
|
|
*
|
||
|
|
* <p> Values of <i>precision</i> must be in the range zero to
|
||
|
|
* {@link Integer#MAX_VALUE}, inclusive, otherwise
|
||
|
|
* {@link IllegalFormatPrecisionException} is thrown.</p>
|
||
|
|
*
|
||
|
|
* <p> Values of <i>width</i> must be in the range one to
|
||
|
|
* {@link Integer#MAX_VALUE}, inclusive, otherwise
|
||
|
|
* {@link IllegalFormatWidthException} will be thrown
|
||
|
|
* Note that widths can appear to have a negative value, but the negative sign
|
||
|
|
* is a <i>flag</i>. For example in the format string {@code "%-20s"} the
|
||
|
|
* <i>width</i> is <i>20</i> and the <i>flag</i> is "-".</p>
|
||
|
|
*
|
||
|
|
* <p> Values of <i>index</i> must be in the range one to
|
||
|
|
* {@link Integer#MAX_VALUE}, inclusive, otherwise
|
||
|
|
* {@link IllegalFormatException} will be thrown.</p>
|
||
|
|
*
|
||
|
|
* <p> All specified exceptions may be thrown by any of the {@code format}
|
||
|
|
* methods of {@code Formatter} as well as by any {@code format} convenience
|
||
|
|
* methods such as {@link String#format(String,Object...) String.format} and
|
||
|
|
* {@link java.io.PrintStream#printf(String,Object...) PrintStream.printf}.
|
||
|
|
*
|
||
|
|
* <p> For category <i>General</i>, <i>Character</i>, <i>Numeric</i>,
|
||
|
|
* <i>Integral</i> and <i>Date/Time</i> conversion, unless otherwise specified,
|
||
|
|
* if the argument <i>arg</i> is {@code null}, then the result is "{@code null}".
|
||
|
|
*
|
||
|
|
* <p> Conversions denoted by an upper-case character (i.e. {@code 'B'},
|
||
|
|
* {@code 'H'}, {@code 'S'}, {@code 'C'}, {@code 'X'}, {@code 'E'},
|
||
|
|
* {@code 'G'}, {@code 'A'}, and {@code 'T'}) are the same as those for the
|
||
|
|
* corresponding lower-case conversion characters except that the result is
|
||
|
|
* converted to upper case according to the rules of the prevailing {@link
|
||
|
|
* java.util.Locale Locale}. If there is no explicit locale specified,
|
||
|
|
* either at the construction of the instance or as a parameter to its method
|
||
|
|
* invocation, then the {@link java.util.Locale.Category#FORMAT default locale}
|
||
|
|
* is used.
|
||
|
|
*
|
||
|
|
* <h3><a id="dgen">General</a></h3>
|
||
|
|
*
|
||
|
|
* <p> The following general conversions may be applied to any argument type:
|
||
|
|
*
|
||
|
|
* <table class="striped">
|
||
|
|
* <caption style="display:none">dgConv</caption>
|
||
|
|
* <tbody>
|
||
|
|
*
|
||
|
|
* <tr><th scope="row" style="vertical-align:top"> {@code 'b'}
|
||
|
|
* <td style="vertical-align:top"> <code>'\u0062'</code>
|
||
|
|
* <td> Produces either "{@code true}" or "{@code false}" as returned by
|
||
|
|
* {@link Boolean#toString(boolean)}.
|
||
|
|
*
|
||
|
|
* <p> If the argument is {@code null}, then the result is
|
||
|
|
* "{@code false}". If the argument is a {@code boolean} or {@link
|
||
|
|
* Boolean}, then the result is the string returned by {@link
|
||
|
|
* String#valueOf(boolean) String.valueOf()}. Otherwise, the result is
|
||
|
|
* "{@code true}".
|
||
|
|
*
|
||
|
|
* <p> If the {@code '#'} flag is given, then a {@link
|
||
|
|
* FormatFlagsConversionMismatchException} will be thrown.
|
||
|
|
*
|
||
|
|
* <tr><th scope="row" style="vertical-align:top"> {@code 'B'}
|
||
|
|
* <td style="vertical-align:top"> <code>'\u0042'</code>
|
||
|
|
* <td> The upper-case variant of {@code 'b'}.
|
||
|
|
*
|
||
|
|
* <tr><th scope="row" style="vertical-align:top"> {@code 'h'}
|
||
|
|
* <td style="vertical-align:top"> <code>'\u0068'</code>
|
||
|
|
* <td> Produces a string representing the hash code value of the object.
|
||
|
|
*
|
||
|
|
* <p> The result is obtained by invoking
|
||
|
|
* {@code Integer.toHexString(arg.hashCode())}.
|
||
|
|
*
|
||
|
|
* <p> If the {@code '#'} flag is given, then a {@link
|
||
|
|
* FormatFlagsConversionMismatchException} will be thrown.
|
||
|
|
*
|
||
|
|
* <tr><th scope="row" style="vertical-align:top"> {@code 'H'}
|
||
|
|
* <td style="vertical-align:top"> <code>'\u0048'</code>
|
||
|
|
* <td> The upper-case variant of {@code 'h'}.
|
||
|
|
*
|
||
|
|
* <tr><th scope="row" style="vertical-align:top"> {@code 's'}
|
||
|
|
* <td style="vertical-align:top"> <code>'\u0073'</code>
|
||
|
|
* <td> Produces a string.
|
||
|
|
*
|
||
|
|
* <p> If the argument implements {@link Formattable}, then
|
||
|
|
* its {@link Formattable#formatTo formatTo} method is invoked.
|
||
|
|
* Otherwise, the result is obtained by invoking the argument's
|
||
|
|
* {@code toString()} method.
|
||
|
|
*
|
||
|
|
* <p> If the {@code '#'} flag is given and the argument is not a {@link
|
||
|
|
* Formattable}, then a {@link FormatFlagsConversionMismatchException}
|
||
|
|
* will be thrown.
|
||
|
|
*
|
||
|
|
* <tr><th scope="row" style="vertical-align:top"> {@code 'S'}
|
||
|
|
* <td style="vertical-align:top"> <code>'\u0053'</code>
|
||
|
|
* <td> The upper-case variant of {@code 's'}.
|
||
|
|
*
|
||
|
|
* </tbody>
|
||
|
|
* </table>
|
||
|
|
*
|
||
|
|
* <p> The following <a id="dFlags">flags</a> apply to general conversions:
|
||
|
|
*
|
||
|
|
* <table class="striped">
|
||
|
|
* <caption style="display:none">dFlags</caption>
|
||
|
|
* <tbody>
|
||
|
|
*
|
||
|
|
* <tr><th scope="row" style="vertical-align:top"> {@code '-'}
|
||
|
|
* <td style="vertical-align:top"> <code>'\u002d'</code>
|
||
|
|
* <td> Left justifies the output. Spaces (<code>'\u0020'</code>) will be
|
||
|
|
* added at the end of the converted value as required to fill the minimum
|
||
|
|
* width of the field. If the width is not provided, then a {@link
|
||
|
|
* MissingFormatWidthException} will be thrown. If this flag is not given
|
||
|
|
* then the output will be right-justified.
|
||
|
|
*
|
||
|
|
* <tr><th scope="row" style="vertical-align:top"> {@code '#'}
|
||
|
|
* <td style="vertical-align:top"> <code>'\u0023'</code>
|
||
|
|
* <td> Requires the output use an alternate form. The definition of the
|
||
|
|
* form is specified by the conversion.
|
||
|
|
*
|
||
|
|
* </tbody>
|
||
|
|
* </table>
|
||
|
|
*
|
||
|
|
* <p> The <a id="genWidth">width</a> is the minimum number of characters to
|
||
|
|
* be written to the
|
||
|
|
* output. If the length of the converted value is less than the width then
|
||
|
|
* the output will be padded by <code>' '</code> (<code>'\u0020'</code>)
|
||
|
|
* until the total number of characters equals the width. The padding is on
|
||
|
|
* the left by default. If the {@code '-'} flag is given, then the padding
|
||
|
|
* will be on the right. If the width is not specified then there is no
|
||
|
|
* minimum.
|
||
|
|
*
|
||
|
|
* <p> The precision is the maximum number of characters to be written to the
|
||
|
|
* output. The precision is applied before the width, thus the output will be
|
||
|
|
* truncated to {@code precision} characters even if the width is greater than
|
||
|
|
* the precision. If the precision is not specified then there is no explicit
|
||
|
|
* limit on the number of characters.
|
||
|
|
*
|
||
|
|
* <h3><a id="dchar">Character</a></h3>
|
||
|
|
*
|
||
|
|
* This conversion may be applied to {@code char} and {@link Character}. It
|
||
|
|
* may also be applied to the types {@code byte}, {@link Byte},
|
||
|
|
* {@code short}, and {@link Short}, {@code int} and {@link Integer} when
|
||
|
|
* {@link Character#isValidCodePoint} returns {@code true}. If it returns
|
||
|
|
* {@code false} then an {@link IllegalFormatCodePointException} will be
|
||
|
|
* thrown.
|
||
|
|
*
|
||
|
|
* <table class="striped">
|
||
|
|
* <caption style="display:none">charConv</caption>
|
||
|
|
* <tbody>
|
||
|
|
*
|
||
|
|
* <tr><th scope="row" style="vertical-align:top"> {@code 'c'}
|
||
|
|
* <td style="vertical-align:top"> <code>'\u0063'</code>
|
||
|
|
* <td> Formats the argument as a Unicode character as described in <a
|
||
|
|
* href="../lang/Character.html#unicode">Unicode Character
|
||
|
|
* Representation</a>. This may be more than one 16-bit {@code char} in
|
||
|
|
* the case where the argument represents a supplementary character.
|
||
|
|
*
|
||
|
|
* <p> If the {@code '#'} flag is given, then a {@link
|
||
|
|
* FormatFlagsConversionMismatchException} will be thrown.
|
||
|
|
*
|
||
|
|
* <tr><th scope="row" style="vertical-align:top"> {@code 'C'}
|
||
|
|
* <td style="vertical-align:top"> <code>'\u0043'</code>
|
||
|
|
* <td> The upper-case variant of {@code 'c'}.
|
||
|
|
*
|
||
|
|
* </tbody>
|
||
|
|
* </table>
|
||
|
|
*
|
||
|
|
* <p> The {@code '-'} flag defined for <a href="#dFlags">General
|
||
|
|
* conversions</a> applies. If the {@code '#'} flag is given, then a {@link
|
||
|
|
* FormatFlagsConversionMismatchException} will be thrown.
|
||
|
|
*
|
||
|
|
* <p> The width is defined as for <a href="#genWidth">General conversions</a>.
|
||
|
|
*
|
||
|
|
* <p> The precision is not applicable. If the precision is specified then an
|
||
|
|
* {@link IllegalFormatPrecisionException} will be thrown.
|
||
|
|
*
|
||
|
|
* <h3><a id="dnum">Numeric</a></h3>
|
||
|
|
*
|
||
|
|
* <p> Numeric conversions are divided into the following categories:
|
||
|
|
*
|
||
|
|
* <ol>
|
||
|
|
*
|
||
|
|
* <li> <a href="#dnint"><b>Byte, Short, Integer, and Long</b></a>
|
||
|
|
*
|
||
|
|
* <li> <a href="#dnbint"><b>BigInteger</b></a>
|
||
|
|
*
|
||
|
|
* <li> <a href="#dndec"><b>Float and Double</b></a>
|
||
|
|
*
|
||
|
|
* <li> <a href="#dnbdec"><b>BigDecimal</b></a>
|
||
|
|
*
|
||
|
|
* </ol>
|
||
|
|
*
|
||
|
|
* <p> Numeric types will be formatted according to the following algorithm:
|
||
|
|
*
|
||
|
|
* <p><b><a id="L10nAlgorithm"> Number Localization Algorithm</a></b>
|
||
|
|
*
|
||
|
|
* <p> After digits are obtained for the integer part, fractional part, and
|
||
|
|
* exponent (as appropriate for the data type), the following transformation
|
||
|
|
* is applied:
|
||
|
|
*
|
||
|
|
* <ol>
|
||
|
|
*
|
||
|
|
* <li> Each digit character <i>d</i> in the string is replaced by a
|
||
|
|
* locale-specific digit computed relative to the current locale's
|
||
|
|
* {@linkplain java.text.DecimalFormatSymbols#getZeroDigit() zero digit}
|
||
|
|
* <i>z</i>; that is <i>d - </i> {@code '0'}
|
||
|
|
* <i> + z</i>.
|
||
|
|
*
|
||
|
|
* <li> If a decimal separator is present, a locale-specific {@linkplain
|
||
|
|
* java.text.DecimalFormatSymbols#getDecimalSeparator decimal separator} is
|
||
|
|
* substituted.
|
||
|
|
*
|
||
|
|
* <li> If the {@code ','} (<code>'\u002c'</code>)
|
||
|
|
* <a id="L10nGroup">flag</a> is given, then the locale-specific {@linkplain
|
||
|
|
* java.text.DecimalFormatSymbols#getGroupingSeparator grouping separator} is
|
||
|
|
* inserted by scanning the integer part of the string from least significant
|
||
|
|
* to most significant digits and inserting a separator at intervals defined by
|
||
|
|
* the locale's {@linkplain java.text.DecimalFormat#getGroupingSize() grouping
|
||
|
|
* size}.
|
||
|
|
*
|
||
|
|
* <li> If the {@code '0'} flag is given, then the locale-specific {@linkplain
|
||
|
|
* java.text.DecimalFormatSymbols#getZeroDigit() zero digits} are inserted
|
||
|
|
* after the sign character, if any, and before the first non-zero digit, until
|
||
|
|
* the length of the string is equal to the requested field width.
|
||
|
|
*
|
||
|
|
* <li> If the value is negative and the {@code '('} flag is given, then a
|
||
|
|
* {@code '('} (<code>'\u0028'</code>) is prepended and a {@code ')'}
|
||
|
|
* (<code>'\u0029'</code>) is appended.
|
||
|
|
*
|
||
|
|
* <li> If the value is negative (or floating-point negative zero) and
|
||
|
|
* {@code '('} flag is not given, then a {@code '-'} (<code>'\u002d'</code>)
|
||
|
|
* is prepended.
|
||
|
|
*
|
||
|
|
* <li> If the {@code '+'} flag is given and the value is positive or zero (or
|
||
|
|
* floating-point positive zero), then a {@code '+'} (<code>'\u002b'</code>)
|
||
|
|
* will be prepended.
|
||
|
|
*
|
||
|
|
* </ol>
|
||
|
|
*
|
||
|
|
* <p> If the value is NaN or positive infinity the literal strings "NaN" or
|
||
|
|
* "Infinity" respectively, will be output. If the value is negative infinity,
|
||
|
|
* then the output will be "(Infinity)" if the {@code '('} flag is given
|
||
|
|
* otherwise the output will be "-Infinity". These values are not localized.
|
||
|
|
*
|
||
|
|
* <p><a id="dnint"><b> Byte, Short, Integer, and Long </b></a>
|
||
|
|
*
|
||
|
|
* <p> The following conversions may be applied to {@code byte}, {@link Byte},
|
||
|
|
* {@code short}, {@link Short}, {@code int} and {@link Integer},
|
||
|
|
* {@code long}, and {@link Long}.
|
||
|
|
*
|
||
|
|
* <table class="striped">
|
||
|
|
* <caption style="display:none">IntConv</caption>
|
||
|
|
* <tbody>
|
||
|
|
*
|
||
|
|
* <tr><th scope="row" style="vertical-align:top"> {@code 'd'}
|
||
|
|
* <td style="vertical-align:top"> <code>'\u0064'</code>
|
||
|
|
* <td> Formats the argument as a decimal integer. The <a
|
||
|
|
* href="#L10nAlgorithm">localization algorithm</a> is applied.
|
||
|
|
*
|
||
|
|
* <p> If the {@code '0'} flag is given and the value is negative, then
|
||
|
|
* the zero padding will occur after the sign.
|
||
|
|
*
|
||
|
|
* <p> If the {@code '#'} flag is given then a {@link
|
||
|
|
* FormatFlagsConversionMismatchException} will be thrown.
|
||
|
|
*
|
||
|
|
* <tr><th scope="row" style="vertical-align:top"> {@code 'o'}
|
||
|
|
* <td style="vertical-align:top"> <code>'\u006f'</code>
|
||
|
|
* <td> Formats the argument as an integer in base eight. No localization
|
||
|
|
* is applied.
|
||
|
|
*
|
||
|
|
* <p> If <i>x</i> is negative then the result will be an unsigned value
|
||
|
|
* generated by adding 2<sup>n</sup> to the value where {@code n} is the
|
||
|
|
* number of bits in the type as returned by the static {@code SIZE} field
|
||
|
|
* in the {@linkplain Byte#SIZE Byte}, {@linkplain Short#SIZE Short},
|
||
|
|
* {@linkplain Integer#SIZE Integer}, or {@linkplain Long#SIZE Long}
|
||
|
|
* classes as appropriate.
|
||
|
|
*
|
||
|
|
* <p> If the {@code '#'} flag is given then the output will always begin
|
||
|
|
* with the radix indicator {@code '0'}.
|
||
|
|
*
|
||
|
|
* <p> If the {@code '0'} flag is given then the output will be padded
|
||
|
|
* with leading zeros to the field width following any indication of sign.
|
||
|
|
*
|
||
|
|
* <p> If {@code '('}, {@code '+'}, ' ', or {@code ','} flags
|
||
|
|
* are given then a {@link FormatFlagsConversionMismatchException} will be
|
||
|
|
* thrown.
|
||
|
|
*
|
||
|
|
* <tr><th scope="row" style="vertical-align:top"> {@code 'x'}
|
||
|
|
* <td style="vertical-align:top"> <code>'\u0078'</code>
|
||
|
|
* <td> Formats the argument as an integer in base sixteen. No
|
||
|
|
* localization is applied.
|
||
|
|
*
|
||
|
|
* <p> If <i>x</i> is negative then the result will be an unsigned value
|
||
|
|
* generated by adding 2<sup>n</sup> to the value where {@code n} is the
|
||
|
|
* number of bits in the type as returned by the static {@code SIZE} field
|
||
|
|
* in the {@linkplain Byte#SIZE Byte}, {@linkplain Short#SIZE Short},
|
||
|
|
* {@linkplain Integer#SIZE Integer}, or {@linkplain Long#SIZE Long}
|
||
|
|
* classes as appropriate.
|
||
|
|
*
|
||
|
|
* <p> If the {@code '#'} flag is given then the output will always begin
|
||
|
|
* with the radix indicator {@code "0x"}.
|
||
|
|
*
|
||
|
|
* <p> If the {@code '0'} flag is given then the output will be padded to
|
||
|
|
* the field width with leading zeros after the radix indicator or sign (if
|
||
|
|
* present).
|
||
|
|
*
|
||
|
|
* <p> If {@code '('}, <code>' '</code>, {@code '+'}, or
|
||
|
|
* {@code ','} flags are given then a {@link
|
||
|
|
* FormatFlagsConversionMismatchException} will be thrown.
|
||
|
|
*
|
||
|
|
* <tr><th scope="row" style="vertical-align:top"> {@code 'X'}
|
||
|
|
* <td style="vertical-align:top"> <code>'\u0058'</code>
|
||
|
|
* <td> The upper-case variant of {@code 'x'}. The entire string
|
||
|
|
* representing the number will be converted to {@linkplain
|
||
|
|
* String#toUpperCase upper case} including the {@code 'x'} (if any) and
|
||
|
|
* all hexadecimal digits {@code 'a'} - {@code 'f'}
|
||
|
|
* (<code>'\u0061'</code> - <code>'\u0066'</code>).
|
||
|
|
*
|
||
|
|
* </tbody>
|
||
|
|
* </table>
|
||
|
|
*
|
||
|
|
* <p> If the conversion is {@code 'o'}, {@code 'x'}, or {@code 'X'} and
|
||
|
|
* both the {@code '#'} and the {@code '0'} flags are given, then result will
|
||
|
|
* contain the radix indicator ({@code '0'} for octal and {@code "0x"} or
|
||
|
|
* {@code "0X"} for hexadecimal), some number of zeros (based on the width),
|
||
|
|
* and the value.
|
||
|
|
*
|
||
|
|
* <p> If the {@code '-'} flag is not given, then the space padding will occur
|
||
|
|
* before the sign.
|
||
|
|
*
|
||
|
|
* <p> The following <a id="intFlags">flags</a> apply to numeric integral
|
||
|
|
* conversions:
|
||
|
|
*
|
||
|
|
* <table class="striped">
|
||
|
|
* <caption style="display:none">intFlags</caption>
|
||
|
|
* <tbody>
|
||
|
|
*
|
||
|
|
* <tr><th scope="row" style="vertical-align:top"> {@code '+'}
|
||
|
|
* <td style="vertical-align:top"> <code>'\u002b'</code>
|
||
|
|
* <td> Requires the output to include a positive sign for all positive
|
||
|
|
* numbers. If this flag is not given then only negative values will
|
||
|
|
* include a sign.
|
||
|
|
*
|
||
|
|
* <p> If both the {@code '+'} and <code>' '</code> flags are given
|
||
|
|
* then an {@link IllegalFormatFlagsException} will be thrown.
|
||
|
|
*
|
||
|
|
* <tr><th scope="row" style="vertical-align:top"> <code>' '</code>
|
||
|
|
* <td style="vertical-align:top"> <code>'\u0020'</code>
|
||
|
|
* <td> Requires the output to include a single extra space
|
||
|
|
* (<code>'\u0020'</code>) for non-negative values.
|
||
|
|
*
|
||
|
|
* <p> If both the {@code '+'} and <code>' '</code> flags are given
|
||
|
|
* then an {@link IllegalFormatFlagsException} will be thrown.
|
||
|
|
*
|
||
|
|
* <tr><th scope="row" style="vertical-align:top"> {@code '0'}
|
||
|
|
* <td style="vertical-align:top"> <code>'\u0030'</code>
|
||
|
|
* <td> Requires the output to be padded with leading {@linkplain
|
||
|
|
* java.text.DecimalFormatSymbols#getZeroDigit zeros} to the minimum field
|
||
|
|
* width following any sign or radix indicator except when converting NaN
|
||
|
|
* or infinity. If the width is not provided, then a {@link
|
||
|
|
* MissingFormatWidthException} will be thrown.
|
||
|
|
*
|
||
|
|
* <p> If both the {@code '-'} and {@code '0'} flags are given then an
|
||
|
|
* {@link IllegalFormatFlagsException} will be thrown.
|
||
|
|
*
|
||
|
|
* <tr><th scope="row" style="vertical-align:top"> {@code ','}
|
||
|
|
* <td style="vertical-align:top"> <code>'\u002c'</code>
|
||
|
|
* <td> Requires the output to include the locale-specific {@linkplain
|
||
|
|
* java.text.DecimalFormatSymbols#getGroupingSeparator group separators} as
|
||
|
|
* described in the <a href="#L10nGroup">"group" section</a> of the
|
||
|
|
* localization algorithm.
|
||
|
|
*
|
||
|
|
* <tr><th scope="row" style="vertical-align:top"> {@code '('}
|
||
|
|
* <td style="vertical-align:top"> <code>'\u0028'</code>
|
||
|
|
* <td> Requires the output to prepend a {@code '('}
|
||
|
|
* (<code>'\u0028'</code>) and append a {@code ')'}
|
||
|
|
* (<code>'\u0029'</code>) to negative values.
|
||
|
|
*
|
||
|
|
* </tbody>
|
||
|
|
* </table>
|
||
|
|
*
|
||
|
|
* <p> If no <a id="intdFlags">flags</a> are given the default formatting is
|
||
|
|
* as follows:
|
||
|
|
*
|
||
|
|
* <ul>
|
||
|
|
*
|
||
|
|
* <li> The output is right-justified within the {@code width}
|
||
|
|
*
|
||
|
|
* <li> Negative numbers begin with a {@code '-'} (<code>'\u002d'</code>)
|
||
|
|
*
|
||
|
|
* <li> Positive numbers and zero do not include a sign or extra leading
|
||
|
|
* space
|
||
|
|
*
|
||
|
|
* <li> No grouping separators are included
|
||
|
|
*
|
||
|
|
* </ul>
|
||
|
|
*
|
||
|
|
* <p> The <a id="intWidth">width</a> is the minimum number of characters to
|
||
|
|
* be written to the output. This includes any signs, digits, grouping
|
||
|
|
* separators, radix indicator, and parentheses. If the length of the
|
||
|
|
* converted value is less than the width then the output will be padded by
|
||
|
|
* spaces (<code>'\u0020'</code>) until the total number of characters equals
|
||
|
|
* width. The padding is on the left by default. If {@code '-'} flag is
|
||
|
|
* given then the padding will be on the right. If width is not specified then
|
||
|
|
* there is no minimum.
|
||
|
|
*
|
||
|
|
* <p> The precision is not applicable. If precision is specified then an
|
||
|
|
* {@link IllegalFormatPrecisionException} will be thrown.
|
||
|
|
*
|
||
|
|
* <p><a id="dnbint"><b> BigInteger </b></a>
|
||
|
|
*
|
||
|
|
* <p> The following conversions may be applied to {@link
|
||
|
|
* java.math.BigInteger}.
|
||
|
|
*
|
||
|
|
* <table class="striped">
|
||
|
|
* <caption style="display:none">bIntConv</caption>
|
||
|
|
* <tbody>
|
||
|
|
*
|
||
|
|
* <tr><th scope="row" style="vertical-align:top"> {@code 'd'}
|
||
|
|
* <td style="vertical-align:top"> <code>'\u0064'</code>
|
||
|
|
* <td> Requires the output to be formatted as a decimal integer. The <a
|
||
|
|
* href="#L10nAlgorithm">localization algorithm</a> is applied.
|
||
|
|
*
|
||
|
|
* <p> If the {@code '#'} flag is given {@link
|
||
|
|
* FormatFlagsConversionMismatchException} will be thrown.
|
||
|
|
*
|
||
|
|
* <tr><th scope="row" style="vertical-align:top"> {@code 'o'}
|
||
|
|
* <td style="vertical-align:top"> <code>'\u006f'</code>
|
||
|
|
* <td> Requires the output to be formatted as an integer in base eight.
|
||
|
|
* No localization is applied.
|
||
|
|
*
|
||
|
|
* <p> If <i>x</i> is negative then the result will be a signed value
|
||
|
|
* beginning with {@code '-'} (<code>'\u002d'</code>). Signed output is
|
||
|
|
* allowed for this type because unlike the primitive types it is not
|
||
|
|
* possible to create an unsigned equivalent without assuming an explicit
|
||
|
|
* data-type size.
|
||
|
|
*
|
||
|
|
* <p> If <i>x</i> is positive or zero and the {@code '+'} flag is given
|
||
|
|
* then the result will begin with {@code '+'} (<code>'\u002b'</code>).
|
||
|
|
*
|
||
|
|
* <p> If the {@code '#'} flag is given then the output will always begin
|
||
|
|
* with {@code '0'} prefix.
|
||
|
|
*
|
||
|
|
* <p> If the {@code '0'} flag is given then the output will be padded
|
||
|
|
* with leading zeros to the field width following any indication of sign.
|
||
|
|
*
|
||
|
|
* <p> If the {@code ','} flag is given then a {@link
|
||
|
|
* FormatFlagsConversionMismatchException} will be thrown.
|
||
|
|
*
|
||
|
|
* <tr><th scope="row" style="vertical-align:top"> {@code 'x'}
|
||
|
|
* <td style="vertical-align:top"> <code>'\u0078'</code>
|
||
|
|
* <td> Requires the output to be formatted as an integer in base
|
||
|
|
* sixteen. No localization is applied.
|
||
|
|
*
|
||
|
|
* <p> If <i>x</i> is negative then the result will be a signed value
|
||
|
|
* beginning with {@code '-'} (<code>'\u002d'</code>). Signed output is
|
||
|
|
* allowed for this type because unlike the primitive types it is not
|
||
|
|
* possible to create an unsigned equivalent without assuming an explicit
|
||
|
|
* data-type size.
|
||
|
|
*
|
||
|
|
* <p> If <i>x</i> is positive or zero and the {@code '+'} flag is given
|
||
|
|
* then the result will begin with {@code '+'} (<code>'\u002b'</code>).
|
||
|
|
*
|
||
|
|
* <p> If the {@code '#'} flag is given then the output will always begin
|
||
|
|
* with the radix indicator {@code "0x"}.
|
||
|
|
*
|
||
|
|
* <p> If the {@code '0'} flag is given then the output will be padded to
|
||
|
|
* the field width with leading zeros after the radix indicator or sign (if
|
||
|
|
* present).
|
||
|
|
*
|
||
|
|
* <p> If the {@code ','} flag is given then a {@link
|
||
|
|
* FormatFlagsConversionMismatchException} will be thrown.
|
||
|
|
*
|
||
|
|
* <tr><th scope="row" style="vertical-align:top"> {@code 'X'}
|
||
|
|
* <td style="vertical-align:top"> <code>'\u0058'</code>
|
||
|
|
* <td> The upper-case variant of {@code 'x'}. The entire string
|
||
|
|
* representing the number will be converted to {@linkplain
|
||
|
|
* String#toUpperCase upper case} including the {@code 'x'} (if any) and
|
||
|
|
* all hexadecimal digits {@code 'a'} - {@code 'f'}
|
||
|
|
* (<code>'\u0061'</code> - <code>'\u0066'</code>).
|
||
|
|
*
|
||
|
|
* </tbody>
|
||
|
|
* </table>
|
||
|
|
*
|
||
|
|
* <p> If the conversion is {@code 'o'}, {@code 'x'}, or {@code 'X'} and
|
||
|
|
* both the {@code '#'} and the {@code '0'} flags are given, then result will
|
||
|
|
* contain the base indicator ({@code '0'} for octal and {@code "0x"} or
|
||
|
|
* {@code "0X"} for hexadecimal), some number of zeros (based on the width),
|
||
|
|
* and the value.
|
||
|
|
*
|
||
|
|
* <p> If the {@code '0'} flag is given and the value is negative, then the
|
||
|
|
* zero padding will occur after the sign.
|
||
|
|
*
|
||
|
|
* <p> If the {@code '-'} flag is not given, then the space padding will occur
|
||
|
|
* before the sign.
|
||
|
|
*
|
||
|
|
* <p> All <a href="#intFlags">flags</a> defined for Byte, Short, Integer, and
|
||
|
|
* Long apply. The <a href="#intdFlags">default behavior</a> when no flags are
|
||
|
|
* given is the same as for Byte, Short, Integer, and Long.
|
||
|
|
*
|
||
|
|
* <p> The specification of <a href="#intWidth">width</a> is the same as
|
||
|
|
* defined for Byte, Short, Integer, and Long.
|
||
|
|
*
|
||
|
|
* <p> The precision is not applicable. If precision is specified then an
|
||
|
|
* {@link IllegalFormatPrecisionException} will be thrown.
|
||
|
|
*
|
||
|
|
* <p><a id="dndec"><b> Float and Double</b></a>
|
||
|
|
*
|
||
|
|
* <p> The following conversions may be applied to {@code float}, {@link
|
||
|
|
* Float}, {@code double} and {@link Double}.
|
||
|
|
*
|
||
|
|
* <table class="striped">
|
||
|
|
* <caption style="display:none">floatConv</caption>
|
||
|
|
* <tbody>
|
||
|
|
*
|
||
|
|
* <tr><th scope="row" style="vertical-align:top"> {@code 'e'}
|
||
|
|
* <td style="vertical-align:top"> <code>'\u0065'</code>
|
||
|
|
* <td> Requires the output to be formatted using <a
|
||
|
|
* id="scientific">computerized scientific notation</a>. The <a
|
||
|
|
* href="#L10nAlgorithm">localization algorithm</a> is applied.
|
||
|
|
*
|
||
|
|
* <p> The formatting of the magnitude <i>m</i> depends upon its value.
|
||
|
|
*
|
||
|
|
* <p> If <i>m</i> is NaN or infinite, the literal strings "NaN" or
|
||
|
|
* "Infinity", respectively, will be output. These values are not
|
||
|
|
* localized.
|
||
|
|
*
|
||
|
|
* <p> If <i>m</i> is positive-zero or negative-zero, then the exponent
|
||
|
|
* will be {@code "+00"}.
|
||
|
|
*
|
||
|
|
* <p> Otherwise, the result is a string that represents the sign and
|
||
|
|
* magnitude (absolute value) of the argument. The formatting of the sign
|
||
|
|
* is described in the <a href="#L10nAlgorithm">localization
|
||
|
|
* algorithm</a>. The formatting of the magnitude <i>m</i> depends upon its
|
||
|
|
* value.
|
||
|
|
*
|
||
|
|
* <p> Let <i>n</i> be the unique integer such that 10<sup><i>n</i></sup>
|
||
|
|
* <= <i>m</i> < 10<sup><i>n</i>+1</sup>; then let <i>a</i> be the
|
||
|
|
* mathematically exact quotient of <i>m</i> and 10<sup><i>n</i></sup> so
|
||
|
|
* that 1 <= <i>a</i> < 10. The magnitude is then represented as the
|
||
|
|
* integer part of <i>a</i>, as a single decimal digit, followed by the
|
||
|
|
* decimal separator followed by decimal digits representing the fractional
|
||
|
|
* part of <i>a</i>, followed by the lower-case locale-specific {@linkplain
|
||
|
|
* java.text.DecimalFormatSymbols#getExponentSeparator exponent separator}
|
||
|
|
* (e.g. {@code 'e'}), followed by the sign of the exponent, followed
|
||
|
|
* by a representation of <i>n</i> as a decimal integer, as produced by the
|
||
|
|
* method {@link Long#toString(long, int)}, and zero-padded to include at
|
||
|
|
* least two digits.
|
||
|
|
*
|
||
|
|
* <p> The number of digits in the result for the fractional part of
|
||
|
|
* <i>m</i> or <i>a</i> is equal to the precision. If the precision is not
|
||
|
|
* specified then the default value is {@code 6}. If the precision is less
|
||
|
|
* than the number of digits which would appear after the decimal point in
|
||
|
|
* the string returned by {@link Float#toString(float)} or {@link
|
||
|
|
* Double#toString(double)} respectively, then the value will be rounded
|
||
|
|
* using the {@linkplain java.math.RoundingMode#HALF_UP round half up
|
||
|
|
* algorithm}. Otherwise, zeros may be appended to reach the precision.
|
||
|
|
* For a canonical representation of the value, use {@link
|
||
|
|
* Float#toString(float)} or {@link Double#toString(double)} as
|
||
|
|
* appropriate.
|
||
|
|
*
|
||
|
|
* <p>If the {@code ','} flag is given, then an {@link
|
||
|
|
* FormatFlagsConversionMismatchException} will be thrown.
|
||
|
|
*
|
||
|
|
* <tr><th scope="row" style="vertical-align:top"> {@code 'E'}
|
||
|
|
* <td style="vertical-align:top"> <code>'\u0045'</code>
|
||
|
|
* <td> The upper-case variant of {@code 'e'}. The exponent symbol
|
||
|
|
* will be the upper-case locale-specific {@linkplain
|
||
|
|
* java.text.DecimalFormatSymbols#getExponentSeparator exponent separator}
|
||
|
|
* (e.g. {@code 'E'}).
|
||
|
|
*
|
||
|
|
* <tr><th scope="row" style="vertical-align:top"> {@code 'g'}
|
||
|
|
* <td style="vertical-align:top"> <code>'\u0067'</code>
|
||
|
|
* <td> Requires the output to be formatted in general scientific notation
|
||
|
|
* as described below. The <a href="#L10nAlgorithm">localization
|
||
|
|
* algorithm</a> is applied.
|
||
|
|
*
|
||
|
|
* <p> After rounding for the precision, the formatting of the resulting
|
||
|
|
* magnitude <i>m</i> depends on its value.
|
||
|
|
*
|
||
|
|
* <p> If <i>m</i> is greater than or equal to 10<sup>-4</sup> but less
|
||
|
|
* than 10<sup>precision</sup> then it is represented in <i><a
|
||
|
|
* href="#decimal">decimal format</a></i>.
|
||
|
|
*
|
||
|
|
* <p> If <i>m</i> is less than 10<sup>-4</sup> or greater than or equal to
|
||
|
|
* 10<sup>precision</sup>, then it is represented in <i><a
|
||
|
|
* href="#scientific">computerized scientific notation</a></i>.
|
||
|
|
*
|
||
|
|
* <p> The total number of significant digits in <i>m</i> is equal to the
|
||
|
|
* precision. If the precision is not specified, then the default value is
|
||
|
|
* {@code 6}. If the precision is {@code 0}, then it is taken to be
|
||
|
|
* {@code 1}.
|
||
|
|
*
|
||
|
|
* <p> If the {@code '#'} flag is given then an {@link
|
||
|
|
* FormatFlagsConversionMismatchException} will be thrown.
|
||
|
|
*
|
||
|
|
* <tr><th scope="row" style="vertical-align:top"> {@code 'G'}
|
||
|
|
* <td style="vertical-align:top"> <code>'\u0047'</code>
|
||
|
|
* <td> The upper-case variant of {@code 'g'}.
|
||
|
|
*
|
||
|
|
* <tr><th scope="row" style="vertical-align:top"> {@code 'f'}
|
||
|
|
* <td style="vertical-align:top"> <code>'\u0066'</code>
|
||
|
|
* <td> Requires the output to be formatted using <a id="decimal">decimal
|
||
|
|
* format</a>. The <a href="#L10nAlgorithm">localization algorithm</a> is
|
||
|
|
* applied.
|
||
|
|
*
|
||
|
|
* <p> The result is a string that represents the sign and magnitude
|
||
|
|
* (absolute value) of the argument. The formatting of the sign is
|
||
|
|
* described in the <a href="#L10nAlgorithm">localization
|
||
|
|
* algorithm</a>. The formatting of the magnitude <i>m</i> depends upon its
|
||
|
|
* value.
|
||
|
|
*
|
||
|
|
* <p> If <i>m</i> NaN or infinite, the literal strings "NaN" or
|
||
|
|
* "Infinity", respectively, will be output. These values are not
|
||
|
|
* localized.
|
||
|
|
*
|
||
|
|
* <p> The magnitude is formatted as the integer part of <i>m</i>, with no
|
||
|
|
* leading zeroes, followed by the decimal separator followed by one or
|
||
|
|
* more decimal digits representing the fractional part of <i>m</i>.
|
||
|
|
*
|
||
|
|
* <p> The number of digits in the result for the fractional part of
|
||
|
|
* <i>m</i> or <i>a</i> is equal to the precision. If the precision is not
|
||
|
|
* specified then the default value is {@code 6}. If the precision is less
|
||
|
|
* than the number of digits which would appear after the decimal point in
|
||
|
|
* the string returned by {@link Float#toString(float)} or {@link
|
||
|
|
* Double#toString(double)} respectively, then the value will be rounded
|
||
|
|
* using the {@linkplain java.math.RoundingMode#HALF_UP round half up
|
||
|
|
* algorithm}. Otherwise, zeros may be appended to reach the precision.
|
||
|
|
* For a canonical representation of the value, use {@link
|
||
|
|
* Float#toString(float)} or {@link Double#toString(double)} as
|
||
|
|
* appropriate.
|
||
|
|
*
|
||
|
|
* <tr><th scope="row" style="vertical-align:top"> {@code 'a'}
|
||
|
|
* <td style="vertical-align:top"> <code>'\u0061'</code>
|
||
|
|
* <td> Requires the output to be formatted in hexadecimal exponential
|
||
|
|
* form. No localization is applied.
|
||
|
|
*
|
||
|
|
* <p> The result is a string that represents the sign and magnitude
|
||
|
|
* (absolute value) of the argument <i>x</i>.
|
||
|
|
*
|
||
|
|
* <p> If <i>x</i> is negative or a negative-zero value then the result
|
||
|
|
* will begin with {@code '-'} (<code>'\u002d'</code>).
|
||
|
|
*
|
||
|
|
* <p> If <i>x</i> is positive or a positive-zero value and the
|
||
|
|
* {@code '+'} flag is given then the result will begin with {@code '+'}
|
||
|
|
* (<code>'\u002b'</code>).
|
||
|
|
*
|
||
|
|
* <p> The formatting of the magnitude <i>m</i> depends upon its value.
|
||
|
|
*
|
||
|
|
* <ul>
|
||
|
|
*
|
||
|
|
* <li> If the value is NaN or infinite, the literal strings "NaN" or
|
||
|
|
* "Infinity", respectively, will be output.
|
||
|
|
*
|
||
|
|
* <li> If <i>m</i> is zero then it is represented by the string
|
||
|
|
* {@code "0x0.0p0"}.
|
||
|
|
*
|
||
|
|
* <li> If <i>m</i> is a {@code double} value with a normalized
|
||
|
|
* representation then substrings are used to represent the significand and
|
||
|
|
* exponent fields. The significand is represented by the characters
|
||
|
|
* {@code "0x1."} followed by the hexadecimal representation of the rest
|
||
|
|
* of the significand as a fraction. The exponent is represented by
|
||
|
|
* {@code 'p'} (<code>'\u0070'</code>) followed by a decimal string of the
|
||
|
|
* unbiased exponent as if produced by invoking {@link
|
||
|
|
* Integer#toString(int) Integer.toString} on the exponent value. If the
|
||
|
|
* precision is specified, the value is rounded to the given number of
|
||
|
|
* hexadecimal digits.
|
||
|
|
*
|
||
|
|
* <li> If <i>m</i> is a {@code double} value with a subnormal
|
||
|
|
* representation then, unless the precision is specified to be in the range
|
||
|
|
* 1 through 12, inclusive, the significand is represented by the characters
|
||
|
|
* {@code '0x0.'} followed by the hexadecimal representation of the rest of
|
||
|
|
* the significand as a fraction, and the exponent represented by
|
||
|
|
* {@code 'p-1022'}. If the precision is in the interval
|
||
|
|
* [1, 12], the subnormal value is normalized such that it
|
||
|
|
* begins with the characters {@code '0x1.'}, rounded to the number of
|
||
|
|
* hexadecimal digits of precision, and the exponent adjusted
|
||
|
|
* accordingly. Note that there must be at least one nonzero digit in a
|
||
|
|
* subnormal significand.
|
||
|
|
*
|
||
|
|
* </ul>
|
||
|
|
*
|
||
|
|
* <p> If the {@code '('} or {@code ','} flags are given, then a {@link
|
||
|
|
* FormatFlagsConversionMismatchException} will be thrown.
|
||
|
|
*
|
||
|
|
* <tr><th scope="row" style="vertical-align:top"> {@code 'A'}
|
||
|
|
* <td style="vertical-align:top"> <code>'\u0041'</code>
|
||
|
|
* <td> The upper-case variant of {@code 'a'}. The entire string
|
||
|
|
* representing the number will be converted to upper case including the
|
||
|
|
* {@code 'x'} (<code>'\u0078'</code>) and {@code 'p'}
|
||
|
|
* (<code>'\u0070'</code> and all hexadecimal digits {@code 'a'} -
|
||
|
|
* {@code 'f'} (<code>'\u0061'</code> - <code>'\u0066'</code>).
|
||
|
|
*
|
||
|
|
* </tbody>
|
||
|
|
* </table>
|
||
|
|
*
|
||
|
|
* <p> All <a href="#intFlags">flags</a> defined for Byte, Short, Integer, and
|
||
|
|
* Long apply.
|
||
|
|
*
|
||
|
|
* <p> If the {@code '#'} flag is given, then the decimal separator will
|
||
|
|
* always be present.
|
||
|
|
*
|
||
|
|
* <p> If no <a id="floatdFlags">flags</a> are given the default formatting
|
||
|
|
* is as follows:
|
||
|
|
*
|
||
|
|
* <ul>
|
||
|
|
*
|
||
|
|
* <li> The output is right-justified within the {@code width}
|
||
|
|
*
|
||
|
|
* <li> Negative numbers begin with a {@code '-'}
|
||
|
|
*
|
||
|
|
* <li> Positive numbers and positive zero do not include a sign or extra
|
||
|
|
* leading space
|
||
|
|
*
|
||
|
|
* <li> No grouping separators are included
|
||
|
|
*
|
||
|
|
* <li> The decimal separator will only appear if a digit follows it
|
||
|
|
*
|
||
|
|
* </ul>
|
||
|
|
*
|
||
|
|
* <p> The <a id="floatDWidth">width</a> is the minimum number of characters
|
||
|
|
* to be written to the output. This includes any signs, digits, grouping
|
||
|
|
* separators, decimal separators, exponential symbol, radix indicator,
|
||
|
|
* parentheses, and strings representing infinity and NaN as applicable. If
|
||
|
|
* the length of the converted value is less than the width then the output
|
||
|
|
* will be padded by spaces (<code>'\u0020'</code>) until the total number of
|
||
|
|
* characters equals width. The padding is on the left by default. If the
|
||
|
|
* {@code '-'} flag is given then the padding will be on the right. If width
|
||
|
|
* is not specified then there is no minimum.
|
||
|
|
*
|
||
|
|
* <p> If the <a id="floatDPrec">conversion</a> is {@code 'e'},
|
||
|
|
* {@code 'E'} or {@code 'f'}, then the precision is the number of digits
|
||
|
|
* after the decimal separator. If the precision is not specified, then it is
|
||
|
|
* assumed to be {@code 6}.
|
||
|
|
*
|
||
|
|
* <p> If the conversion is {@code 'g'} or {@code 'G'}, then the precision is
|
||
|
|
* the total number of significant digits in the resulting magnitude after
|
||
|
|
* rounding. If the precision is not specified, then the default value is
|
||
|
|
* {@code 6}. If the precision is {@code 0}, then it is taken to be
|
||
|
|
* {@code 1}.
|
||
|
|
*
|
||
|
|
* <p> If the conversion is {@code 'a'} or {@code 'A'}, then the precision
|
||
|
|
* is the number of hexadecimal digits after the radix point. If the
|
||
|
|
* precision is not provided, then all of the digits as returned by {@link
|
||
|
|
* Double#toHexString(double)} will be output.
|
||
|
|
*
|
||
|
|
* <p><a id="dnbdec"><b> BigDecimal </b></a>
|
||
|
|
*
|
||
|
|
* <p> The following conversions may be applied {@link java.math.BigDecimal
|
||
|
|
* BigDecimal}.
|
||
|
|
*
|
||
|
|
* <table class="striped">
|
||
|
|
* <caption style="display:none">floatConv</caption>
|
||
|
|
* <tbody>
|
||
|
|
*
|
||
|
|
* <tr><th scope="row" style="vertical-align:top"> {@code 'e'}
|
||
|
|
* <td style="vertical-align:top"> <code>'\u0065'</code>
|
||
|
|
* <td> Requires the output to be formatted using <a
|
||
|
|
* id="bscientific">computerized scientific notation</a>. The <a
|
||
|
|
* href="#L10nAlgorithm">localization algorithm</a> is applied.
|
||
|
|
*
|
||
|
|
* <p> The formatting of the magnitude <i>m</i> depends upon its value.
|
||
|
|
*
|
||
|
|
* <p> If <i>m</i> is positive-zero or negative-zero, then the exponent
|
||
|
|
* will be {@code "+00"}.
|
||
|
|
*
|
||
|
|
* <p> Otherwise, the result is a string that represents the sign and
|
||
|
|
* magnitude (absolute value) of the argument. The formatting of the sign
|
||
|
|
* is described in the <a href="#L10nAlgorithm">localization
|
||
|
|
* algorithm</a>. The formatting of the magnitude <i>m</i> depends upon its
|
||
|
|
* value.
|
||
|
|
*
|
||
|
|
* <p> Let <i>n</i> be the unique integer such that 10<sup><i>n</i></sup>
|
||
|
|
* <= <i>m</i> < 10<sup><i>n</i>+1</sup>; then let <i>a</i> be the
|
||
|
|
* mathematically exact quotient of <i>m</i> and 10<sup><i>n</i></sup> so
|
||
|
|
* that 1 <= <i>a</i> < 10. The magnitude is then represented as the
|
||
|
|
* integer part of <i>a</i>, as a single decimal digit, followed by the
|
||
|
|
* decimal separator followed by decimal digits representing the fractional
|
||
|
|
* part of <i>a</i>, followed by the exponent symbol {@code 'e'}
|
||
|
|
* (<code>'\u0065'</code>), followed by the sign of the exponent, followed
|
||
|
|
* by a representation of <i>n</i> as a decimal integer, as produced by the
|
||
|
|
* method {@link Long#toString(long, int)}, and zero-padded to include at
|
||
|
|
* least two digits.
|
||
|
|
*
|
||
|
|
* <p> The number of digits in the result for the fractional part of
|
||
|
|
* <i>m</i> or <i>a</i> is equal to the precision. If the precision is not
|
||
|
|
* specified then the default value is {@code 6}. If the precision is
|
||
|
|
* less than the number of digits to the right of the decimal point then
|
||
|
|
* the value will be rounded using the
|
||
|
|
* {@linkplain java.math.RoundingMode#HALF_UP round half up
|
||
|
|
* algorithm}. Otherwise, zeros may be appended to reach the precision.
|
||
|
|
* For a canonical representation of the value, use {@link
|
||
|
|
* BigDecimal#toString()}.
|
||
|
|
*
|
||
|
|
* <p> If the {@code ','} flag is given, then an {@link
|
||
|
|
* FormatFlagsConversionMismatchException} will be thrown.
|
||
|
|
*
|
||
|
|
* <tr><th scope="row" style="vertical-align:top"> {@code 'E'}
|
||
|
|
* <td style="vertical-align:top"> <code>'\u0045'</code>
|
||
|
|
* <td> The upper-case variant of {@code 'e'}. The exponent symbol
|
||
|
|
* will be {@code 'E'} (<code>'\u0045'</code>).
|
||
|
|
*
|
||
|
|
* <tr><th scope="row" style="vertical-align:top"> {@code 'g'}
|
||
|
|
* <td style="vertical-align:top"> <code>'\u0067'</code>
|
||
|
|
* <td> Requires the output to be formatted in general scientific notation
|
||
|
|
* as described below. The <a href="#L10nAlgorithm">localization
|
||
|
|
* algorithm</a> is applied.
|
||
|
|
*
|
||
|
|
* <p> After rounding for the precision, the formatting of the resulting
|
||
|
|
* magnitude <i>m</i> depends on its value.
|
||
|
|
*
|
||
|
|
* <p> If <i>m</i> is greater than or equal to 10<sup>-4</sup> but less
|
||
|
|
* than 10<sup>precision</sup> then it is represented in <i><a
|
||
|
|
* href="#bdecimal">decimal format</a></i>.
|
||
|
|
*
|
||
|
|
* <p> If <i>m</i> is less than 10<sup>-4</sup> or greater than or equal to
|
||
|
|
* 10<sup>precision</sup>, then it is represented in <i><a
|
||
|
|
* href="#bscientific">computerized scientific notation</a></i>.
|
||
|
|
*
|
||
|
|
* <p> The total number of significant digits in <i>m</i> is equal to the
|
||
|
|
* precision. If the precision is not specified, then the default value is
|
||
|
|
* {@code 6}. If the precision is {@code 0}, then it is taken to be
|
||
|
|
* {@code 1}.
|
||
|
|
*
|
||
|
|
* <p> If the {@code '#'} flag is given then an {@link
|
||
|
|
* FormatFlagsConversionMismatchException} will be thrown.
|
||
|
|
*
|
||
|
|
* <tr><th scope="row" style="vertical-align:top"> {@code 'G'}
|
||
|
|
* <td style="vertical-align:top"> <code>'\u0047'</code>
|
||
|
|
* <td> The upper-case variant of {@code 'g'}.
|
||
|
|
*
|
||
|
|
* <tr><th scope="row" style="vertical-align:top"> {@code 'f'}
|
||
|
|
* <td style="vertical-align:top"> <code>'\u0066'</code>
|
||
|
|
* <td> Requires the output to be formatted using <a id="bdecimal">decimal
|
||
|
|
* format</a>. The <a href="#L10nAlgorithm">localization algorithm</a> is
|
||
|
|
* applied.
|
||
|
|
*
|
||
|
|
* <p> The result is a string that represents the sign and magnitude
|
||
|
|
* (absolute value) of the argument. The formatting of the sign is
|
||
|
|
* described in the <a href="#L10nAlgorithm">localization
|
||
|
|
* algorithm</a>. The formatting of the magnitude <i>m</i> depends upon its
|
||
|
|
* value.
|
||
|
|
*
|
||
|
|
* <p> The magnitude is formatted as the integer part of <i>m</i>, with no
|
||
|
|
* leading zeroes, followed by the decimal separator followed by one or
|
||
|
|
* more decimal digits representing the fractional part of <i>m</i>.
|
||
|
|
*
|
||
|
|
* <p> The number of digits in the result for the fractional part of
|
||
|
|
* <i>m</i> or <i>a</i> is equal to the precision. If the precision is not
|
||
|
|
* specified then the default value is {@code 6}. If the precision is
|
||
|
|
* less than the number of digits to the right of the decimal point
|
||
|
|
* then the value will be rounded using the
|
||
|
|
* {@linkplain java.math.RoundingMode#HALF_UP round half up
|
||
|
|
* algorithm}. Otherwise, zeros may be appended to reach the precision.
|
||
|
|
* For a canonical representation of the value, use {@link
|
||
|
|
* BigDecimal#toString()}.
|
||
|
|
*
|
||
|
|
* </tbody>
|
||
|
|
* </table>
|
||
|
|
*
|
||
|
|
* <p> All <a href="#intFlags">flags</a> defined for Byte, Short, Integer, and
|
||
|
|
* Long apply.
|
||
|
|
*
|
||
|
|
* <p> If the {@code '#'} flag is given, then the decimal separator will
|
||
|
|
* always be present.
|
||
|
|
*
|
||
|
|
* <p> The <a href="#floatdFlags">default behavior</a> when no flags are
|
||
|
|
* given is the same as for Float and Double.
|
||
|
|
*
|
||
|
|
* <p> The specification of <a href="#floatDWidth">width</a> and <a
|
||
|
|
* href="#floatDPrec">precision</a> is the same as defined for Float and
|
||
|
|
* Double.
|
||
|
|
*
|
||
|
|
* <h3><a id="ddt">Date/Time</a></h3>
|
||
|
|
*
|
||
|
|
* <p> This conversion may be applied to {@code long}, {@link Long}, {@link
|
||
|
|
* Calendar}, {@link Date} and {@link TemporalAccessor TemporalAccessor}
|
||
|
|
*
|
||
|
|
* <table class="striped">
|
||
|
|
* <caption style="display:none">DTConv</caption>
|
||
|
|
* <tbody>
|
||
|
|
*
|
||
|
|
* <tr><th scope="row" style="vertical-align:top"> {@code 't'}
|
||
|
|
* <td style="vertical-align:top"> <code>'\u0074'</code>
|
||
|
|
* <td> Prefix for date and time conversion characters.
|
||
|
|
* <tr><th scope="row" style="vertical-align:top"> {@code 'T'}
|
||
|
|
* <td style="vertical-align:top"> <code>'\u0054'</code>
|
||
|
|
* <td> The upper-case variant of {@code 't'}.
|
||
|
|
*
|
||
|
|
* </tbody>
|
||
|
|
* </table>
|
||
|
|
*
|
||
|
|
* <p> The following date and time conversion character suffixes are defined
|
||
|
|
* for the {@code 't'} and {@code 'T'} conversions. The types are similar to
|
||
|
|
* but not completely identical to those defined by GNU {@code date} and
|
||
|
|
* POSIX {@code strftime(3c)}. Additional conversion types are provided to
|
||
|
|
* access Java-specific functionality (e.g. {@code 'L'} for milliseconds
|
||
|
|
* within the second).
|
||
|
|
*
|
||
|
|
* <p> The following conversion characters are used for formatting times:
|
||
|
|
*
|
||
|
|
* <table class="striped">
|
||
|
|
* <caption style="display:none">time</caption>
|
||
|
|
* <tbody>
|
||
|
|
*
|
||
|
|
* <tr><th scope="row" style="vertical-align:top"> {@code 'H'}
|
||
|
|
* <td style="vertical-align:top"> <code>'\u0048'</code>
|
||
|
|
* <td> Hour of the day for the 24-hour clock, formatted as two digits with
|
||
|
|
* a leading zero as necessary i.e. {@code 00 - 23}. {@code 00}
|
||
|
|
* corresponds to midnight.
|
||
|
|
*
|
||
|
|
* <tr><th scope="row" style="vertical-align:top">{@code 'I'}
|
||
|
|
* <td style="vertical-align:top"> <code>'\u0049'</code>
|
||
|
|
* <td> Hour for the 12-hour clock, formatted as two digits with a leading
|
||
|
|
* zero as necessary, i.e. {@code 01 - 12}. {@code 01} corresponds to
|
||
|
|
* one o'clock (either morning or afternoon).
|
||
|
|
*
|
||
|
|
* <tr><th scope="row" style="vertical-align:top">{@code 'k'}
|
||
|
|
* <td style="vertical-align:top"> <code>'\u006b'</code>
|
||
|
|
* <td> Hour of the day for the 24-hour clock, i.e. {@code 0 - 23}.
|
||
|
|
* {@code 0} corresponds to midnight.
|
||
|
|
*
|
||
|
|
* <tr><th scope="row" style="vertical-align:top">{@code 'l'}
|
||
|
|
* <td style="vertical-align:top"> <code>'\u006c'</code>
|
||
|
|
* <td> Hour for the 12-hour clock, i.e. {@code 1 - 12}. {@code 1}
|
||
|
|
* corresponds to one o'clock (either morning or afternoon).
|
||
|
|
*
|
||
|
|
* <tr><th scope="row" style="vertical-align:top">{@code 'M'}
|
||
|
|
* <td style="vertical-align:top"> <code>'\u004d'</code>
|
||
|
|
* <td> Minute within the hour formatted as two digits with a leading zero
|
||
|
|
* as necessary, i.e. {@code 00 - 59}.
|
||
|
|
*
|
||
|
|
* <tr><th scope="row" style="vertical-align:top">{@code 'S'}
|
||
|
|
* <td style="vertical-align:top"> <code>'\u0053'</code>
|
||
|
|
* <td> Seconds within the minute, formatted as two digits with a leading
|
||
|
|
* zero as necessary, i.e. {@code 00 - 60} ("{@code 60}" is a special
|
||
|
|
* value required to support leap seconds).
|
||
|
|
*
|
||
|
|
* <tr><th scope="row" style="vertical-align:top">{@code 'L'}
|
||
|
|
* <td style="vertical-align:top"> <code>'\u004c'</code>
|
||
|
|
* <td> Millisecond within the second formatted as three digits with
|
||
|
|
* leading zeros as necessary, i.e. {@code 000 - 999}.
|
||
|
|
*
|
||
|
|
* <tr><th scope="row" style="vertical-align:top">{@code 'N'}
|
||
|
|
* <td style="vertical-align:top"> <code>'\u004e'</code>
|
||
|
|
* <td> Nanosecond within the second, formatted as nine digits with leading
|
||
|
|
* zeros as necessary, i.e. {@code 000000000 - 999999999}. The precision
|
||
|
|
* of this value is limited by the resolution of the underlying operating
|
||
|
|
* system or hardware.
|
||
|
|
*
|
||
|
|
* <tr><th scope="row" style="vertical-align:top">{@code 'p'}
|
||
|
|
* <td style="vertical-align:top"> <code>'\u0070'</code>
|
||
|
|
* <td> Locale-specific {@linkplain
|
||
|
|
* java.text.DateFormatSymbols#getAmPmStrings morning or afternoon} marker
|
||
|
|
* in lower case, e.g."{@code am}" or "{@code pm}". Use of the
|
||
|
|
* conversion prefix {@code 'T'} forces this output to upper case. (Note
|
||
|
|
* that {@code 'p'} produces lower-case output. This is different from
|
||
|
|
* GNU {@code date} and POSIX {@code strftime(3c)} which produce
|
||
|
|
* upper-case output.)
|
||
|
|
*
|
||
|
|
* <tr><th scope="row" style="vertical-align:top">{@code 'z'}
|
||
|
|
* <td style="vertical-align:top"> <code>'\u007a'</code>
|
||
|
|
* <td> <a href="http://www.ietf.org/rfc/rfc0822.txt">RFC 822</a>
|
||
|
|
* style numeric time zone offset from GMT, e.g. {@code -0800}. This
|
||
|
|
* value will be adjusted as necessary for Daylight Saving Time. For
|
||
|
|
* {@code long}, {@link Long}, and {@link Date} the time zone used is
|
||
|
|
* the {@linkplain TimeZone#getDefault() default time zone} for this
|
||
|
|
* instance of the Java virtual machine.
|
||
|
|
*
|
||
|
|
* <tr><th scope="row" style="vertical-align:top">{@code 'Z'}
|
||
|
|
* <td style="vertical-align:top"> <code>'\u005a'</code>
|
||
|
|
* <td> A string representing the abbreviation for the time zone. This
|
||
|
|
* value will be adjusted as necessary for Daylight Saving Time. For
|
||
|
|
* {@code long}, {@link Long}, and {@link Date} the time zone used is
|
||
|
|
* the {@linkplain TimeZone#getDefault() default time zone} for this
|
||
|
|
* instance of the Java virtual machine. The Formatter's locale will
|
||
|
|
* supersede the locale of the argument (if any).
|
||
|
|
*
|
||
|
|
* <tr><th scope="row" style="vertical-align:top">{@code 's'}
|
||
|
|
* <td style="vertical-align:top"> <code>'\u0073'</code>
|
||
|
|
* <td> Seconds since the beginning of the epoch starting at 1 January 1970
|
||
|
|
* {@code 00:00:00} UTC, i.e. {@code Long.MIN_VALUE/1000} to
|
||
|
|
* {@code Long.MAX_VALUE/1000}.
|
||
|
|
*
|
||
|
|
* <tr><th scope="row" style="vertical-align:top">{@code 'Q'}
|
||
|
|
* <td style="vertical-align:top"> <code>'\u004f'</code>
|
||
|
|
* <td> Milliseconds since the beginning of the epoch starting at 1 January
|
||
|
|
* 1970 {@code 00:00:00} UTC, i.e. {@code Long.MIN_VALUE} to
|
||
|
|
* {@code Long.MAX_VALUE}. The precision of this value is limited by
|
||
|
|
* the resolution of the underlying operating system or hardware.
|
||
|
|
*
|
||
|
|
* </tbody>
|
||
|
|
* </table>
|
||
|
|
*
|
||
|
|
* <p> The following conversion characters are used for formatting dates:
|
||
|
|
*
|
||
|
|
* <table class="striped">
|
||
|
|
* <caption style="display:none">date</caption>
|
||
|
|
* <tbody>
|
||
|
|
*
|
||
|
|
* <tr><th scope="row" style="vertical-align:top">{@code 'B'}
|
||
|
|
* <td style="vertical-align:top"> <code>'\u0042'</code>
|
||
|
|
* <td> Locale-specific {@linkplain java.text.DateFormatSymbols#getMonths
|
||
|
|
* full month name}, e.g. {@code "January"}, {@code "February"}.
|
||
|
|
*
|
||
|
|
* <tr><th scope="row" style="vertical-align:top">{@code 'b'}
|
||
|
|
* <td style="vertical-align:top"> <code>'\u0062'</code>
|
||
|
|
* <td> Locale-specific {@linkplain
|
||
|
|
* java.text.DateFormatSymbols#getShortMonths abbreviated month name},
|
||
|
|
* e.g. {@code "Jan"}, {@code "Feb"}.
|
||
|
|
*
|
||
|
|
* <tr><th scope="row" style="vertical-align:top">{@code 'h'}
|
||
|
|
* <td style="vertical-align:top"> <code>'\u0068'</code>
|
||
|
|
* <td> Same as {@code 'b'}.
|
||
|
|
*
|
||
|
|
* <tr><th scope="row" style="vertical-align:top">{@code 'A'}
|
||
|
|
* <td style="vertical-align:top"> <code>'\u0041'</code>
|
||
|
|
* <td> Locale-specific full name of the {@linkplain
|
||
|
|
* java.text.DateFormatSymbols#getWeekdays day of the week},
|
||
|
|
* e.g. {@code "Sunday"}, {@code "Monday"}
|
||
|
|
*
|
||
|
|
* <tr><th scope="row" style="vertical-align:top">{@code 'a'}
|
||
|
|
* <td style="vertical-align:top"> <code>'\u0061'</code>
|
||
|
|
* <td> Locale-specific short name of the {@linkplain
|
||
|
|
* java.text.DateFormatSymbols#getShortWeekdays day of the week},
|
||
|
|
* e.g. {@code "Sun"}, {@code "Mon"}
|
||
|
|
*
|
||
|
|
* <tr><th scope="row" style="vertical-align:top">{@code 'C'}
|
||
|
|
* <td style="vertical-align:top"> <code>'\u0043'</code>
|
||
|
|
* <td> Four-digit year divided by {@code 100}, formatted as two digits
|
||
|
|
* with leading zero as necessary, i.e. {@code 00 - 99}
|
||
|
|
*
|
||
|
|
* <tr><th scope="row" style="vertical-align:top">{@code 'Y'}
|
||
|
|
* <td style="vertical-align:top"> <code>'\u0059'</code> <td> Year, formatted to at least
|
||
|
|
* four digits with leading zeros as necessary, e.g. {@code 0092} equals
|
||
|
|
* {@code 92} CE for the Gregorian calendar.
|
||
|
|
*
|
||
|
|
* <tr><th scope="row" style="vertical-align:top">{@code 'y'}
|
||
|
|
* <td style="vertical-align:top"> <code>'\u0079'</code>
|
||
|
|
* <td> Last two digits of the year, formatted with leading zeros as
|
||
|
|
* necessary, i.e. {@code 00 - 99}.
|
||
|
|
*
|
||
|
|
* <tr><th scope="row" style="vertical-align:top">{@code 'j'}
|
||
|
|
* <td style="vertical-align:top"> <code>'\u006a'</code>
|
||
|
|
* <td> Day of year, formatted as three digits with leading zeros as
|
||
|
|
* necessary, e.g. {@code 001 - 366} for the Gregorian calendar.
|
||
|
|
* {@code 001} corresponds to the first day of the year.
|
||
|
|
*
|
||
|
|
* <tr><th scope="row" style="vertical-align:top">{@code 'm'}
|
||
|
|
* <td style="vertical-align:top"> <code>'\u006d'</code>
|
||
|
|
* <td> Month, formatted as two digits with leading zeros as necessary,
|
||
|
|
* i.e. {@code 01 - 13}, where "{@code 01}" is the first month of the
|
||
|
|
* year and ("{@code 13}" is a special value required to support lunar
|
||
|
|
* calendars).
|
||
|
|
*
|
||
|
|
* <tr><th scope="row" style="vertical-align:top">{@code 'd'}
|
||
|
|
* <td style="vertical-align:top"> <code>'\u0064'</code>
|
||
|
|
* <td> Day of month, formatted as two digits with leading zeros as
|
||
|
|
* necessary, i.e. {@code 01 - 31}, where "{@code 01}" is the first day
|
||
|
|
* of the month.
|
||
|
|
*
|
||
|
|
* <tr><th scope="row" style="vertical-align:top">{@code 'e'}
|
||
|
|
* <td style="vertical-align:top"> <code>'\u0065'</code>
|
||
|
|
* <td> Day of month, formatted as two digits, i.e. {@code 1 - 31} where
|
||
|
|
* "{@code 1}" is the first day of the month.
|
||
|
|
*
|
||
|
|
* </tbody>
|
||
|
|
* </table>
|
||
|
|
*
|
||
|
|
* <p> The following conversion characters are used for formatting common
|
||
|
|
* date/time compositions.
|
||
|
|
*
|
||
|
|
* <table class="striped">
|
||
|
|
* <caption style="display:none">composites</caption>
|
||
|
|
* <tbody>
|
||
|
|
*
|
||
|
|
* <tr><th scope="row" style="vertical-align:top">{@code 'R'}
|
||
|
|
* <td style="vertical-align:top"> <code>'\u0052'</code>
|
||
|
|
* <td> Time formatted for the 24-hour clock as {@code "%tH:%tM"}
|
||
|
|
*
|
||
|
|
* <tr><th scope="row" style="vertical-align:top">{@code 'T'}
|
||
|
|
* <td style="vertical-align:top"> <code>'\u0054'</code>
|
||
|
|
* <td> Time formatted for the 24-hour clock as {@code "%tH:%tM:%tS"}.
|
||
|
|
*
|
||
|
|
* <tr><th scope="row" style="vertical-align:top">{@code 'r'}
|
||
|
|
* <td style="vertical-align:top"> <code>'\u0072'</code>
|
||
|
|
* <td> Time formatted for the 12-hour clock as {@code "%tI:%tM:%tS
|
||
|
|
* %Tp"}. The location of the morning or afternoon marker
|
||
|
|
* ({@code '%Tp'}) may be locale-dependent.
|
||
|
|
*
|
||
|
|
* <tr><th scope="row" style="vertical-align:top">{@code 'D'}
|
||
|
|
* <td style="vertical-align:top"> <code>'\u0044'</code>
|
||
|
|
* <td> Date formatted as {@code "%tm/%td/%ty"}.
|
||
|
|
*
|
||
|
|
* <tr><th scope="row" style="vertical-align:top">{@code 'F'}
|
||
|
|
* <td style="vertical-align:top"> <code>'\u0046'</code>
|
||
|
|
* <td> <a href="http://www.w3.org/TR/NOTE-datetime">ISO 8601</a>
|
||
|
|
* complete date formatted as {@code "%tY-%tm-%td"}.
|
||
|
|
*
|
||
|
|
* <tr><th scope="row" style="vertical-align:top">{@code 'c'}
|
||
|
|
* <td style="vertical-align:top"> <code>'\u0063'</code>
|
||
|
|
* <td> Date and time formatted as {@code "%ta %tb %td %tT %tZ %tY"},
|
||
|
|
* e.g. {@code "Sun Jul 20 16:17:00 EDT 1969"}.
|
||
|
|
*
|
||
|
|
* </tbody>
|
||
|
|
* </table>
|
||
|
|
*
|
||
|
|
* <p> The {@code '-'} flag defined for <a href="#dFlags">General
|
||
|
|
* conversions</a> applies. If the {@code '#'} flag is given, then a {@link
|
||
|
|
* FormatFlagsConversionMismatchException} will be thrown.
|
||
|
|
*
|
||
|
|
* <p> The width is the minimum number of characters to
|
||
|
|
* be written to the output. If the length of the converted value is less than
|
||
|
|
* the {@code width} then the output will be padded by spaces
|
||
|
|
* (<code>'\u0020'</code>) until the total number of characters equals width.
|
||
|
|
* The padding is on the left by default. If the {@code '-'} flag is given
|
||
|
|
* then the padding will be on the right. If width is not specified then there
|
||
|
|
* is no minimum.
|
||
|
|
*
|
||
|
|
* <p> The precision is not applicable. If the precision is specified then an
|
||
|
|
* {@link IllegalFormatPrecisionException} will be thrown.
|
||
|
|
*
|
||
|
|
* <h3><a id="dper">Percent</a></h3>
|
||
|
|
*
|
||
|
|
* <p> The conversion does not correspond to any argument.
|
||
|
|
*
|
||
|
|
* <table class="striped">
|
||
|
|
* <caption style="display:none">DTConv</caption>
|
||
|
|
* <tbody>
|
||
|
|
*
|
||
|
|
* <tr><th scope="row" style="vertical-align:top">{@code '%'}
|
||
|
|
* <td> The result is a literal {@code '%'} (<code>'\u0025'</code>)
|
||
|
|
*
|
||
|
|
* <p> The width is the minimum number of characters to
|
||
|
|
* be written to the output including the {@code '%'}. If the length of the
|
||
|
|
* converted value is less than the {@code width} then the output will be
|
||
|
|
* padded by spaces (<code>'\u0020'</code>) until the total number of
|
||
|
|
* characters equals width. The padding is on the left. If width is not
|
||
|
|
* specified then just the {@code '%'} is output.
|
||
|
|
*
|
||
|
|
* <p> The {@code '-'} flag defined for <a href="#dFlags">General
|
||
|
|
* conversions</a> applies. If any other flags are provided, then a
|
||
|
|
* {@link IllegalFormatFlagsException } will be thrown.
|
||
|
|
*
|
||
|
|
* <p> The precision is not applicable. If the precision is specified an
|
||
|
|
* {@link IllegalFormatPrecisionException} will be thrown.
|
||
|
|
*
|
||
|
|
* </tbody>
|
||
|
|
* </table>
|
||
|
|
*
|
||
|
|
* <h3><a id="dls">Line Separator</a></h3>
|
||
|
|
*
|
||
|
|
* <p> The conversion does not correspond to any argument.
|
||
|
|
*
|
||
|
|
* <table class="striped">
|
||
|
|
* <caption style="display:none">DTConv</caption>
|
||
|
|
* <tbody>
|
||
|
|
*
|
||
|
|
* <tr><th scope="row" style="vertical-align:top">{@code 'n'}
|
||
|
|
* <td> the platform-specific line separator as returned by {@link
|
||
|
|
* System#lineSeparator()}.
|
||
|
|
*
|
||
|
|
* </tbody>
|
||
|
|
* </table>
|
||
|
|
*
|
||
|
|
* <p> Flags, width, and precision are not applicable. If any are provided an
|
||
|
|
* {@link IllegalFormatFlagsException}, {@link IllegalFormatWidthException},
|
||
|
|
* and {@link IllegalFormatPrecisionException}, respectively will be thrown.
|
||
|
|
*
|
||
|
|
* <h3><a id="dpos">Argument Index</a></h3>
|
||
|
|
*
|
||
|
|
* <p> Format specifiers can reference arguments in three ways:
|
||
|
|
*
|
||
|
|
* <ul>
|
||
|
|
*
|
||
|
|
* <li> <i>Explicit indexing</i> is used when the format specifier contains an
|
||
|
|
* argument index. The argument index is a decimal integer indicating the
|
||
|
|
* position of the argument in the argument list. The first argument is
|
||
|
|
* referenced by "{@code 1$}", the second by "{@code 2$}", etc. An argument
|
||
|
|
* may be referenced more than once.
|
||
|
|
*
|
||
|
|
* <p> For example:
|
||
|
|
*
|
||
|
|
* <blockquote><pre>
|
||
|
|
* formatter.format("%4$s %3$s %2$s %1$s %4$s %3$s %2$s %1$s",
|
||
|
|
* "a", "b", "c", "d")
|
||
|
|
* // -> "d c b a d c b a"
|
||
|
|
* </pre></blockquote>
|
||
|
|
*
|
||
|
|
* <li> <i>Relative indexing</i> is used when the format specifier contains a
|
||
|
|
* {@code '<'} (<code>'\u003c'</code>) flag which causes the argument for
|
||
|
|
* the previous format specifier to be re-used. If there is no previous
|
||
|
|
* argument, then a {@link MissingFormatArgumentException} is thrown.
|
||
|
|
*
|
||
|
|
* <blockquote><pre>
|
||
|
|
* formatter.format("%s %s %<s %<s", "a", "b", "c", "d")
|
||
|
|
* // -> "a b b b"
|
||
|
|
* // "c" and "d" are ignored because they are not referenced
|
||
|
|
* </pre></blockquote>
|
||
|
|
*
|
||
|
|
* <li> <i>Ordinary indexing</i> is used when the format specifier contains
|
||
|
|
* neither an argument index nor a {@code '<'} flag. Each format specifier
|
||
|
|
* which uses ordinary indexing is assigned a sequential implicit index into
|
||
|
|
* argument list which is independent of the indices used by explicit or
|
||
|
|
* relative indexing.
|
||
|
|
*
|
||
|
|
* <blockquote><pre>
|
||
|
|
* formatter.format("%s %s %s %s", "a", "b", "c", "d")
|
||
|
|
* // -> "a b c d"
|
||
|
|
* </pre></blockquote>
|
||
|
|
*
|
||
|
|
* </ul>
|
||
|
|
*
|
||
|
|
* <p> It is possible to have a format string which uses all forms of indexing,
|
||
|
|
* for example:
|
||
|
|
*
|
||
|
|
* <blockquote><pre>
|
||
|
|
* formatter.format("%2$s %s %<s %s", "a", "b", "c", "d")
|
||
|
|
* // -> "b a a b"
|
||
|
|
* // "c" and "d" are ignored because they are not referenced
|
||
|
|
* </pre></blockquote>
|
||
|
|
*
|
||
|
|
* <p> The maximum number of arguments is limited by the maximum dimension of a
|
||
|
|
* Java array as defined by
|
||
|
|
* <cite>The Java Virtual Machine Specification</cite>.
|
||
|
|
* If the argument index does not correspond to an
|
||
|
|
* available argument, then a {@link MissingFormatArgumentException} is thrown.
|
||
|
|
*
|
||
|
|
* <p> If there are more arguments than format specifiers, the extra arguments
|
||
|
|
* are ignored.
|
||
|
|
*
|
||
|
|
* <p> Unless otherwise specified, passing a {@code null} argument to any
|
||
|
|
* method or constructor in this class will cause a {@link
|
||
|
|
* NullPointerException} to be thrown.
|
||
|
|
*
|
||
|
|
* @author Iris Clark
|
||
|
|
* @since 1.5
|
||
|
|
*/
|
||
|
|
// Android-added: errorprone crashes with NPE otherwise. See: https://github.com/google/error-prone/issues/2638
|
||
|
|
@SuppressWarnings("FallThrough")
|
||
|
|
public final class Formatter implements Closeable, Flushable {
|
||
|
|
private Appendable a;
|
||
|
|
private final Locale l;
|
||
|
|
|
||
|
|
private IOException lastException;
|
||
|
|
|
||
|
|
// Non-character value used to mark zero as uninitialized
|
||
|
|
private static final char ZERO_SENTINEL = '\uFFFE';
|
||
|
|
private char zero = ZERO_SENTINEL;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Returns a charset object for the given charset name.
|
||
|
|
* @throws NullPointerException is csn is null
|
||
|
|
* @throws UnsupportedEncodingException if the charset is not supported
|
||
|
|
*/
|
||
|
|
private static Charset toCharset(String csn)
|
||
|
|
throws UnsupportedEncodingException
|
||
|
|
{
|
||
|
|
Objects.requireNonNull(csn, "charsetName");
|
||
|
|
try {
|
||
|
|
return Charset.forName(csn);
|
||
|
|
} catch (IllegalCharsetNameException|UnsupportedCharsetException unused) {
|
||
|
|
// UnsupportedEncodingException should be thrown
|
||
|
|
throw new UnsupportedEncodingException(csn);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
private static final Appendable nonNullAppendable(Appendable a) {
|
||
|
|
if (a == null)
|
||
|
|
return new StringBuilder();
|
||
|
|
|
||
|
|
return a;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* Private constructors */
|
||
|
|
private Formatter(Locale l, Appendable a) {
|
||
|
|
this.a = a;
|
||
|
|
this.l = l;
|
||
|
|
}
|
||
|
|
|
||
|
|
private Formatter(Charset charset, Locale l, File file)
|
||
|
|
throws FileNotFoundException
|
||
|
|
{
|
||
|
|
this(l,
|
||
|
|
new BufferedWriter(new OutputStreamWriter(new FileOutputStream(file), charset)));
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Constructs a new formatter.
|
||
|
|
*
|
||
|
|
* <p> The destination of the formatted output is a {@link StringBuilder}
|
||
|
|
* which may be retrieved by invoking {@link #out out()} and whose
|
||
|
|
* current content may be converted into a string by invoking {@link
|
||
|
|
* #toString toString()}. The locale used is the {@linkplain
|
||
|
|
* Locale#getDefault(Locale.Category) default locale} for
|
||
|
|
* {@linkplain Locale.Category#FORMAT formatting} for this instance of the Java
|
||
|
|
* virtual machine.
|
||
|
|
*/
|
||
|
|
public Formatter() {
|
||
|
|
this(Locale.getDefault(Locale.Category.FORMAT), new StringBuilder());
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Constructs a new formatter with the specified destination.
|
||
|
|
*
|
||
|
|
* <p> The locale used is the {@linkplain
|
||
|
|
* Locale#getDefault(Locale.Category) default locale} for
|
||
|
|
* {@linkplain Locale.Category#FORMAT formatting} for this instance of the Java
|
||
|
|
* virtual machine.
|
||
|
|
*
|
||
|
|
* @param a
|
||
|
|
* Destination for the formatted output. If {@code a} is
|
||
|
|
* {@code null} then a {@link StringBuilder} will be created.
|
||
|
|
*/
|
||
|
|
public Formatter(Appendable a) {
|
||
|
|
this(Locale.getDefault(Locale.Category.FORMAT), nonNullAppendable(a));
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Constructs a new formatter with the specified locale.
|
||
|
|
*
|
||
|
|
* <p> The destination of the formatted output is a {@link StringBuilder}
|
||
|
|
* which may be retrieved by invoking {@link #out out()} and whose current
|
||
|
|
* content may be converted into a string by invoking {@link #toString
|
||
|
|
* toString()}.
|
||
|
|
*
|
||
|
|
* @param l
|
||
|
|
* The {@linkplain java.util.Locale locale} to apply during
|
||
|
|
* formatting. If {@code l} is {@code null} then no localization
|
||
|
|
* is applied.
|
||
|
|
*/
|
||
|
|
public Formatter(Locale l) {
|
||
|
|
this(l, new StringBuilder());
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Constructs a new formatter with the specified destination and locale.
|
||
|
|
*
|
||
|
|
* @param a
|
||
|
|
* Destination for the formatted output. If {@code a} is
|
||
|
|
* {@code null} then a {@link StringBuilder} will be created.
|
||
|
|
*
|
||
|
|
* @param l
|
||
|
|
* The {@linkplain java.util.Locale locale} to apply during
|
||
|
|
* formatting. If {@code l} is {@code null} then no localization
|
||
|
|
* is applied.
|
||
|
|
*/
|
||
|
|
public Formatter(Appendable a, Locale l) {
|
||
|
|
this(l, nonNullAppendable(a));
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Constructs a new formatter with the specified file name.
|
||
|
|
*
|
||
|
|
* <p> The charset used is the {@linkplain
|
||
|
|
* java.nio.charset.Charset#defaultCharset() default charset} for this
|
||
|
|
* instance of the Java virtual machine.
|
||
|
|
*
|
||
|
|
* <p> The locale used is the {@linkplain
|
||
|
|
* Locale#getDefault(Locale.Category) default locale} for
|
||
|
|
* {@linkplain Locale.Category#FORMAT formatting} for this instance of the Java
|
||
|
|
* virtual machine.
|
||
|
|
*
|
||
|
|
* @param fileName
|
||
|
|
* The name of the file to use as the destination of this
|
||
|
|
* formatter. If the file exists then it will be truncated to
|
||
|
|
* zero size; otherwise, a new file will be created. The output
|
||
|
|
* will be written to the file and is buffered.
|
||
|
|
*
|
||
|
|
* @throws SecurityException
|
||
|
|
* If a security manager is present and {@link
|
||
|
|
* SecurityManager#checkWrite checkWrite(fileName)} denies write
|
||
|
|
* access to the file
|
||
|
|
*
|
||
|
|
* @throws FileNotFoundException
|
||
|
|
* If the given file name does not denote an existing, writable
|
||
|
|
* regular file and a new regular file of that name cannot be
|
||
|
|
* created, or if some other error occurs while opening or
|
||
|
|
* creating the file
|
||
|
|
*/
|
||
|
|
public Formatter(String fileName) throws FileNotFoundException {
|
||
|
|
this(Locale.getDefault(Locale.Category.FORMAT),
|
||
|
|
new BufferedWriter(new OutputStreamWriter(new FileOutputStream(fileName))));
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Constructs a new formatter with the specified file name and charset.
|
||
|
|
*
|
||
|
|
* <p> The locale used is the {@linkplain
|
||
|
|
* Locale#getDefault(Locale.Category) default locale} for
|
||
|
|
* {@linkplain Locale.Category#FORMAT formatting} for this instance of the Java
|
||
|
|
* virtual machine.
|
||
|
|
*
|
||
|
|
* @param fileName
|
||
|
|
* The name of the file to use as the destination of this
|
||
|
|
* formatter. If the file exists then it will be truncated to
|
||
|
|
* zero size; otherwise, a new file will be created. The output
|
||
|
|
* will be written to the file and is buffered.
|
||
|
|
*
|
||
|
|
* @param csn
|
||
|
|
* The name of a supported {@linkplain java.nio.charset.Charset
|
||
|
|
* charset}
|
||
|
|
*
|
||
|
|
* @throws FileNotFoundException
|
||
|
|
* If the given file name does not denote an existing, writable
|
||
|
|
* regular file and a new regular file of that name cannot be
|
||
|
|
* created, or if some other error occurs while opening or
|
||
|
|
* creating the file
|
||
|
|
*
|
||
|
|
* @throws SecurityException
|
||
|
|
* If a security manager is present and {@link
|
||
|
|
* SecurityManager#checkWrite checkWrite(fileName)} denies write
|
||
|
|
* access to the file
|
||
|
|
*
|
||
|
|
* @throws UnsupportedEncodingException
|
||
|
|
* If the named charset is not supported
|
||
|
|
*/
|
||
|
|
public Formatter(String fileName, String csn)
|
||
|
|
throws FileNotFoundException, UnsupportedEncodingException
|
||
|
|
{
|
||
|
|
this(fileName, csn, Locale.getDefault(Locale.Category.FORMAT));
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Constructs a new formatter with the specified file name, charset, and
|
||
|
|
* locale.
|
||
|
|
*
|
||
|
|
* @param fileName
|
||
|
|
* The name of the file to use as the destination of this
|
||
|
|
* formatter. If the file exists then it will be truncated to
|
||
|
|
* zero size; otherwise, a new file will be created. The output
|
||
|
|
* will be written to the file and is buffered.
|
||
|
|
*
|
||
|
|
* @param csn
|
||
|
|
* The name of a supported {@linkplain java.nio.charset.Charset
|
||
|
|
* charset}
|
||
|
|
*
|
||
|
|
* @param l
|
||
|
|
* The {@linkplain java.util.Locale locale} to apply during
|
||
|
|
* formatting. If {@code l} is {@code null} then no localization
|
||
|
|
* is applied.
|
||
|
|
*
|
||
|
|
* @throws FileNotFoundException
|
||
|
|
* If the given file name does not denote an existing, writable
|
||
|
|
* regular file and a new regular file of that name cannot be
|
||
|
|
* created, or if some other error occurs while opening or
|
||
|
|
* creating the file
|
||
|
|
*
|
||
|
|
* @throws SecurityException
|
||
|
|
* If a security manager is present and {@link
|
||
|
|
* SecurityManager#checkWrite checkWrite(fileName)} denies write
|
||
|
|
* access to the file
|
||
|
|
*
|
||
|
|
* @throws UnsupportedEncodingException
|
||
|
|
* If the named charset is not supported
|
||
|
|
*/
|
||
|
|
public Formatter(String fileName, String csn, Locale l)
|
||
|
|
throws FileNotFoundException, UnsupportedEncodingException
|
||
|
|
{
|
||
|
|
this(toCharset(csn), l, new File(fileName));
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Constructs a new formatter with the specified file name, charset, and
|
||
|
|
* locale.
|
||
|
|
*
|
||
|
|
* @param fileName
|
||
|
|
* The name of the file to use as the destination of this
|
||
|
|
* formatter. If the file exists then it will be truncated to
|
||
|
|
* zero size; otherwise, a new file will be created. The output
|
||
|
|
* will be written to the file and is buffered.
|
||
|
|
*
|
||
|
|
* @param charset
|
||
|
|
* A {@linkplain java.nio.charset.Charset charset}
|
||
|
|
*
|
||
|
|
* @param l
|
||
|
|
* The {@linkplain java.util.Locale locale} to apply during
|
||
|
|
* formatting. If {@code l} is {@code null} then no localization
|
||
|
|
* is applied.
|
||
|
|
*
|
||
|
|
* @throws IOException
|
||
|
|
* if an I/O error occurs while opening or creating the file
|
||
|
|
*
|
||
|
|
* @throws SecurityException
|
||
|
|
* If a security manager is present and {@link
|
||
|
|
* SecurityManager#checkWrite checkWrite(fileName)} denies write
|
||
|
|
* access to the file
|
||
|
|
*
|
||
|
|
* @throws NullPointerException
|
||
|
|
* if {@code fileName} or {@code charset} is {@code null}.
|
||
|
|
*/
|
||
|
|
public Formatter(String fileName, Charset charset, Locale l) throws IOException {
|
||
|
|
this(Objects.requireNonNull(charset, "charset"), l, new File(fileName));
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Constructs a new formatter with the specified file.
|
||
|
|
*
|
||
|
|
* <p> The charset used is the {@linkplain
|
||
|
|
* java.nio.charset.Charset#defaultCharset() default charset} for this
|
||
|
|
* instance of the Java virtual machine.
|
||
|
|
*
|
||
|
|
* <p> The locale used is the {@linkplain
|
||
|
|
* Locale#getDefault(Locale.Category) default locale} for
|
||
|
|
* {@linkplain Locale.Category#FORMAT formatting} for this instance of the Java
|
||
|
|
* virtual machine.
|
||
|
|
*
|
||
|
|
* @param file
|
||
|
|
* The file to use as the destination of this formatter. If the
|
||
|
|
* file exists then it will be truncated to zero size; otherwise,
|
||
|
|
* a new file will be created. The output will be written to the
|
||
|
|
* file and is buffered.
|
||
|
|
*
|
||
|
|
* @throws SecurityException
|
||
|
|
* If a security manager is present and {@link
|
||
|
|
* SecurityManager#checkWrite checkWrite(file.getPath())} denies
|
||
|
|
* write access to the file
|
||
|
|
*
|
||
|
|
* @throws FileNotFoundException
|
||
|
|
* If the given file object does not denote an existing, writable
|
||
|
|
* regular file and a new regular file of that name cannot be
|
||
|
|
* created, or if some other error occurs while opening or
|
||
|
|
* creating the file
|
||
|
|
*/
|
||
|
|
public Formatter(File file) throws FileNotFoundException {
|
||
|
|
this(Locale.getDefault(Locale.Category.FORMAT),
|
||
|
|
new BufferedWriter(new OutputStreamWriter(new FileOutputStream(file))));
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Constructs a new formatter with the specified file and charset.
|
||
|
|
*
|
||
|
|
* <p> The locale used is the {@linkplain
|
||
|
|
* Locale#getDefault(Locale.Category) default locale} for
|
||
|
|
* {@linkplain Locale.Category#FORMAT formatting} for this instance of the Java
|
||
|
|
* virtual machine.
|
||
|
|
*
|
||
|
|
* @param file
|
||
|
|
* The file to use as the destination of this formatter. If the
|
||
|
|
* file exists then it will be truncated to zero size; otherwise,
|
||
|
|
* a new file will be created. The output will be written to the
|
||
|
|
* file and is buffered.
|
||
|
|
*
|
||
|
|
* @param csn
|
||
|
|
* The name of a supported {@linkplain java.nio.charset.Charset
|
||
|
|
* charset}
|
||
|
|
*
|
||
|
|
* @throws FileNotFoundException
|
||
|
|
* If the given file object does not denote an existing, writable
|
||
|
|
* regular file and a new regular file of that name cannot be
|
||
|
|
* created, or if some other error occurs while opening or
|
||
|
|
* creating the file
|
||
|
|
*
|
||
|
|
* @throws SecurityException
|
||
|
|
* If a security manager is present and {@link
|
||
|
|
* SecurityManager#checkWrite checkWrite(file.getPath())} denies
|
||
|
|
* write access to the file
|
||
|
|
*
|
||
|
|
* @throws UnsupportedEncodingException
|
||
|
|
* If the named charset is not supported
|
||
|
|
*/
|
||
|
|
public Formatter(File file, String csn)
|
||
|
|
throws FileNotFoundException, UnsupportedEncodingException
|
||
|
|
{
|
||
|
|
this(file, csn, Locale.getDefault(Locale.Category.FORMAT));
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Constructs a new formatter with the specified file, charset, and
|
||
|
|
* locale.
|
||
|
|
*
|
||
|
|
* @param file
|
||
|
|
* The file to use as the destination of this formatter. If the
|
||
|
|
* file exists then it will be truncated to zero size; otherwise,
|
||
|
|
* a new file will be created. The output will be written to the
|
||
|
|
* file and is buffered.
|
||
|
|
*
|
||
|
|
* @param csn
|
||
|
|
* The name of a supported {@linkplain java.nio.charset.Charset
|
||
|
|
* charset}
|
||
|
|
*
|
||
|
|
* @param l
|
||
|
|
* The {@linkplain java.util.Locale locale} to apply during
|
||
|
|
* formatting. If {@code l} is {@code null} then no localization
|
||
|
|
* is applied.
|
||
|
|
*
|
||
|
|
* @throws FileNotFoundException
|
||
|
|
* If the given file object does not denote an existing, writable
|
||
|
|
* regular file and a new regular file of that name cannot be
|
||
|
|
* created, or if some other error occurs while opening or
|
||
|
|
* creating the file
|
||
|
|
*
|
||
|
|
* @throws SecurityException
|
||
|
|
* If a security manager is present and {@link
|
||
|
|
* SecurityManager#checkWrite checkWrite(file.getPath())} denies
|
||
|
|
* write access to the file
|
||
|
|
*
|
||
|
|
* @throws UnsupportedEncodingException
|
||
|
|
* If the named charset is not supported
|
||
|
|
*/
|
||
|
|
public Formatter(File file, String csn, Locale l)
|
||
|
|
throws FileNotFoundException, UnsupportedEncodingException
|
||
|
|
{
|
||
|
|
this(toCharset(csn), l, file);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Constructs a new formatter with the specified file, charset, and
|
||
|
|
* locale.
|
||
|
|
*
|
||
|
|
* @param file
|
||
|
|
* The file to use as the destination of this formatter. If the
|
||
|
|
* file exists then it will be truncated to zero size; otherwise,
|
||
|
|
* a new file will be created. The output will be written to the
|
||
|
|
* file and is buffered.
|
||
|
|
*
|
||
|
|
* @param charset
|
||
|
|
* A {@linkplain java.nio.charset.Charset charset}
|
||
|
|
*
|
||
|
|
* @param l
|
||
|
|
* The {@linkplain java.util.Locale locale} to apply during
|
||
|
|
* formatting. If {@code l} is {@code null} then no localization
|
||
|
|
* is applied.
|
||
|
|
*
|
||
|
|
* @throws IOException
|
||
|
|
* if an I/O error occurs while opening or creating the file
|
||
|
|
*
|
||
|
|
* @throws SecurityException
|
||
|
|
* If a security manager is present and {@link
|
||
|
|
* SecurityManager#checkWrite checkWrite(file.getPath())} denies
|
||
|
|
* write access to the file
|
||
|
|
*
|
||
|
|
* @throws NullPointerException
|
||
|
|
* if {@code file} or {@code charset} is {@code null}.
|
||
|
|
*/
|
||
|
|
public Formatter(File file, Charset charset, Locale l) throws IOException {
|
||
|
|
this(Objects.requireNonNull(charset, "charset"), l, file);
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Constructs a new formatter with the specified print stream.
|
||
|
|
*
|
||
|
|
* <p> The locale used is the {@linkplain
|
||
|
|
* Locale#getDefault(Locale.Category) default locale} for
|
||
|
|
* {@linkplain Locale.Category#FORMAT formatting} for this instance of the Java
|
||
|
|
* virtual machine.
|
||
|
|
*
|
||
|
|
* <p> Characters are written to the given {@link java.io.PrintStream
|
||
|
|
* PrintStream} object and are therefore encoded using that object's
|
||
|
|
* charset.
|
||
|
|
*
|
||
|
|
* @param ps
|
||
|
|
* The stream to use as the destination of this formatter.
|
||
|
|
*/
|
||
|
|
public Formatter(PrintStream ps) {
|
||
|
|
this(Locale.getDefault(Locale.Category.FORMAT),
|
||
|
|
(Appendable)Objects.requireNonNull(ps));
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Constructs a new formatter with the specified output stream.
|
||
|
|
*
|
||
|
|
* <p> The charset used is the {@linkplain
|
||
|
|
* java.nio.charset.Charset#defaultCharset() default charset} for this
|
||
|
|
* instance of the Java virtual machine.
|
||
|
|
*
|
||
|
|
* <p> The locale used is the {@linkplain
|
||
|
|
* Locale#getDefault(Locale.Category) default locale} for
|
||
|
|
* {@linkplain Locale.Category#FORMAT formatting} for this instance of the Java
|
||
|
|
* virtual machine.
|
||
|
|
*
|
||
|
|
* @param os
|
||
|
|
* The output stream to use as the destination of this formatter.
|
||
|
|
* The output will be buffered.
|
||
|
|
*/
|
||
|
|
public Formatter(OutputStream os) {
|
||
|
|
this(Locale.getDefault(Locale.Category.FORMAT),
|
||
|
|
new BufferedWriter(new OutputStreamWriter(os)));
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Constructs a new formatter with the specified output stream and
|
||
|
|
* charset.
|
||
|
|
*
|
||
|
|
* <p> The locale used is the {@linkplain
|
||
|
|
* Locale#getDefault(Locale.Category) default locale} for
|
||
|
|
* {@linkplain Locale.Category#FORMAT formatting} for this instance of the Java
|
||
|
|
* virtual machine.
|
||
|
|
*
|
||
|
|
* @param os
|
||
|
|
* The output stream to use as the destination of this formatter.
|
||
|
|
* The output will be buffered.
|
||
|
|
*
|
||
|
|
* @param csn
|
||
|
|
* The name of a supported {@linkplain java.nio.charset.Charset
|
||
|
|
* charset}
|
||
|
|
*
|
||
|
|
* @throws UnsupportedEncodingException
|
||
|
|
* If the named charset is not supported
|
||
|
|
*/
|
||
|
|
public Formatter(OutputStream os, String csn)
|
||
|
|
throws UnsupportedEncodingException
|
||
|
|
{
|
||
|
|
this(os, csn, Locale.getDefault(Locale.Category.FORMAT));
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Constructs a new formatter with the specified output stream, charset,
|
||
|
|
* and locale.
|
||
|
|
*
|
||
|
|
* @param os
|
||
|
|
* The output stream to use as the destination of this formatter.
|
||
|
|
* The output will be buffered.
|
||
|
|
*
|
||
|
|
* @param csn
|
||
|
|
* The name of a supported {@linkplain java.nio.charset.Charset
|
||
|
|
* charset}
|
||
|
|
*
|
||
|
|
* @param l
|
||
|
|
* The {@linkplain java.util.Locale locale} to apply during
|
||
|
|
* formatting. If {@code l} is {@code null} then no localization
|
||
|
|
* is applied.
|
||
|
|
*
|
||
|
|
* @throws UnsupportedEncodingException
|
||
|
|
* If the named charset is not supported
|
||
|
|
*/
|
||
|
|
public Formatter(OutputStream os, String csn, Locale l)
|
||
|
|
throws UnsupportedEncodingException
|
||
|
|
{
|
||
|
|
this(l, new BufferedWriter(new OutputStreamWriter(os, csn)));
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Constructs a new formatter with the specified output stream, charset,
|
||
|
|
* and locale.
|
||
|
|
*
|
||
|
|
* @param os
|
||
|
|
* The output stream to use as the destination of this formatter.
|
||
|
|
* The output will be buffered.
|
||
|
|
*
|
||
|
|
* @param charset
|
||
|
|
* A {@linkplain java.nio.charset.Charset charset}
|
||
|
|
*
|
||
|
|
* @param l
|
||
|
|
* The {@linkplain java.util.Locale locale} to apply during
|
||
|
|
* formatting. If {@code l} is {@code null} then no localization
|
||
|
|
* is applied.
|
||
|
|
*
|
||
|
|
* @throws NullPointerException
|
||
|
|
* if {@code os} or {@code charset} is {@code null}.
|
||
|
|
*/
|
||
|
|
public Formatter(OutputStream os, Charset charset, Locale l) {
|
||
|
|
this(l, new BufferedWriter(new OutputStreamWriter(os, charset)));
|
||
|
|
}
|
||
|
|
|
||
|
|
private char zero() {
|
||
|
|
char zero = this.zero;
|
||
|
|
if (zero == ZERO_SENTINEL) {
|
||
|
|
if ((l != null) && !l.equals(Locale.US)) {
|
||
|
|
// Android-changed: Improve the performance by 10x http://b/197788756
|
||
|
|
// Unclear if this mapping is needed but inherited from DecimalFormatSymbols
|
||
|
|
DecimalFormatData decimalFormatData =
|
||
|
|
DecimalFormatData.getInstance(LocaleData.mapInvalidAndNullLocales(l));
|
||
|
|
return decimalFormatData.getZeroDigit();
|
||
|
|
// DecimalFormatSymbols dfs = DecimalFormatSymbols.getInstance(l);
|
||
|
|
// zero = dfs.getZeroDigit();
|
||
|
|
} else {
|
||
|
|
zero = '0';
|
||
|
|
}
|
||
|
|
this.zero = zero;
|
||
|
|
}
|
||
|
|
return zero;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Returns the locale set by the construction of this formatter.
|
||
|
|
*
|
||
|
|
* <p> The {@link #format(java.util.Locale,String,Object...) format} method
|
||
|
|
* for this object which has a locale argument does not change this value.
|
||
|
|
*
|
||
|
|
* @return {@code null} if no localization is applied, otherwise a
|
||
|
|
* locale
|
||
|
|
*
|
||
|
|
* @throws FormatterClosedException
|
||
|
|
* If this formatter has been closed by invoking its {@link
|
||
|
|
* #close()} method
|
||
|
|
*/
|
||
|
|
public Locale locale() {
|
||
|
|
ensureOpen();
|
||
|
|
return l;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Returns the destination for the output.
|
||
|
|
*
|
||
|
|
* @return The destination for the output
|
||
|
|
*
|
||
|
|
* @throws FormatterClosedException
|
||
|
|
* If this formatter has been closed by invoking its {@link
|
||
|
|
* #close()} method
|
||
|
|
*/
|
||
|
|
public Appendable out() {
|
||
|
|
ensureOpen();
|
||
|
|
return a;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Returns the result of invoking {@code toString()} on the destination
|
||
|
|
* for the output. For example, the following code formats text into a
|
||
|
|
* {@link StringBuilder} then retrieves the resultant string:
|
||
|
|
*
|
||
|
|
* <blockquote><pre>
|
||
|
|
* Formatter f = new Formatter();
|
||
|
|
* f.format("Last reboot at %tc", lastRebootDate);
|
||
|
|
* String s = f.toString();
|
||
|
|
* // -> s == "Last reboot at Sat Jan 01 00:00:00 PST 2000"
|
||
|
|
* </pre></blockquote>
|
||
|
|
*
|
||
|
|
* <p> An invocation of this method behaves in exactly the same way as the
|
||
|
|
* invocation
|
||
|
|
*
|
||
|
|
* <pre>
|
||
|
|
* out().toString() </pre>
|
||
|
|
*
|
||
|
|
* <p> Depending on the specification of {@code toString} for the {@link
|
||
|
|
* Appendable}, the returned string may or may not contain the characters
|
||
|
|
* written to the destination. For instance, buffers typically return
|
||
|
|
* their contents in {@code toString()}, but streams cannot since the
|
||
|
|
* data is discarded.
|
||
|
|
*
|
||
|
|
* @return The result of invoking {@code toString()} on the destination
|
||
|
|
* for the output
|
||
|
|
*
|
||
|
|
* @throws FormatterClosedException
|
||
|
|
* If this formatter has been closed by invoking its {@link
|
||
|
|
* #close()} method
|
||
|
|
*/
|
||
|
|
public String toString() {
|
||
|
|
ensureOpen();
|
||
|
|
return a.toString();
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Flushes this formatter. If the destination implements the {@link
|
||
|
|
* java.io.Flushable} interface, its {@code flush} method will be invoked.
|
||
|
|
*
|
||
|
|
* <p> Flushing a formatter writes any buffered output in the destination
|
||
|
|
* to the underlying stream.
|
||
|
|
*
|
||
|
|
* @throws FormatterClosedException
|
||
|
|
* If this formatter has been closed by invoking its {@link
|
||
|
|
* #close()} method
|
||
|
|
*/
|
||
|
|
public void flush() {
|
||
|
|
ensureOpen();
|
||
|
|
if (a instanceof Flushable) {
|
||
|
|
try {
|
||
|
|
((Flushable)a).flush();
|
||
|
|
} catch (IOException ioe) {
|
||
|
|
lastException = ioe;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Closes this formatter. If the destination implements the {@link
|
||
|
|
* java.io.Closeable} interface, its {@code close} method will be invoked.
|
||
|
|
*
|
||
|
|
* <p> Closing a formatter allows it to release resources it may be holding
|
||
|
|
* (such as open files). If the formatter is already closed, then invoking
|
||
|
|
* this method has no effect.
|
||
|
|
*
|
||
|
|
* <p> Attempting to invoke any methods except {@link #ioException()} in
|
||
|
|
* this formatter after it has been closed will result in a {@link
|
||
|
|
* FormatterClosedException}.
|
||
|
|
*/
|
||
|
|
public void close() {
|
||
|
|
if (a == null)
|
||
|
|
return;
|
||
|
|
try {
|
||
|
|
if (a instanceof Closeable)
|
||
|
|
((Closeable)a).close();
|
||
|
|
} catch (IOException ioe) {
|
||
|
|
lastException = ioe;
|
||
|
|
} finally {
|
||
|
|
a = null;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
private void ensureOpen() {
|
||
|
|
if (a == null)
|
||
|
|
throw new FormatterClosedException();
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Returns the {@code IOException} last thrown by this formatter's {@link
|
||
|
|
* Appendable}.
|
||
|
|
*
|
||
|
|
* <p> If the destination's {@code append()} method never throws
|
||
|
|
* {@code IOException}, then this method will always return {@code null}.
|
||
|
|
*
|
||
|
|
* @return The last exception thrown by the Appendable or {@code null} if
|
||
|
|
* no such exception exists.
|
||
|
|
*/
|
||
|
|
public IOException ioException() {
|
||
|
|
return lastException;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Writes a formatted string to this object's destination using the
|
||
|
|
* specified format string and arguments. The locale used is the one
|
||
|
|
* defined during the construction of this formatter.
|
||
|
|
*
|
||
|
|
* @param format
|
||
|
|
* A format string as described in <a href="#syntax">Format string
|
||
|
|
* syntax</a>.
|
||
|
|
*
|
||
|
|
* @param args
|
||
|
|
* Arguments referenced by the format specifiers in the format
|
||
|
|
* string. If there are more arguments than format specifiers, the
|
||
|
|
* extra arguments are ignored. The maximum number of arguments is
|
||
|
|
* limited by the maximum dimension of a Java array as defined by
|
||
|
|
* <cite>The Java Virtual Machine Specification</cite>.
|
||
|
|
*
|
||
|
|
* @throws IllegalFormatException
|
||
|
|
* If a format string contains an illegal syntax, a format
|
||
|
|
* specifier that is incompatible with the given arguments,
|
||
|
|
* insufficient arguments given the format string, or other
|
||
|
|
* illegal conditions. For specification of all possible
|
||
|
|
* formatting errors, see the <a href="#detail">Details</a>
|
||
|
|
* section of the formatter class specification.
|
||
|
|
*
|
||
|
|
* @throws FormatterClosedException
|
||
|
|
* If this formatter has been closed by invoking its {@link
|
||
|
|
* #close()} method
|
||
|
|
*
|
||
|
|
* @return This formatter
|
||
|
|
*/
|
||
|
|
public Formatter format(String format, Object ... args) {
|
||
|
|
return format(l, format, args);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Writes a formatted string to this object's destination using the
|
||
|
|
* specified locale, format string, and arguments.
|
||
|
|
*
|
||
|
|
* @param l
|
||
|
|
* The {@linkplain java.util.Locale locale} to apply during
|
||
|
|
* formatting. If {@code l} is {@code null} then no localization
|
||
|
|
* is applied. This does not change this object's locale that was
|
||
|
|
* set during construction.
|
||
|
|
*
|
||
|
|
* @param format
|
||
|
|
* A format string as described in <a href="#syntax">Format string
|
||
|
|
* syntax</a>
|
||
|
|
*
|
||
|
|
* @param args
|
||
|
|
* Arguments referenced by the format specifiers in the format
|
||
|
|
* string. If there are more arguments than format specifiers, the
|
||
|
|
* extra arguments are ignored. The maximum number of arguments is
|
||
|
|
* limited by the maximum dimension of a Java array as defined by
|
||
|
|
* <cite>The Java Virtual Machine Specification</cite>.
|
||
|
|
*
|
||
|
|
* @throws IllegalFormatException
|
||
|
|
* If a format string contains an illegal syntax, a format
|
||
|
|
* specifier that is incompatible with the given arguments,
|
||
|
|
* insufficient arguments given the format string, or other
|
||
|
|
* illegal conditions. For specification of all possible
|
||
|
|
* formatting errors, see the <a href="#detail">Details</a>
|
||
|
|
* section of the formatter class specification.
|
||
|
|
*
|
||
|
|
* @throws FormatterClosedException
|
||
|
|
* If this formatter has been closed by invoking its {@link
|
||
|
|
* #close()} method
|
||
|
|
*
|
||
|
|
* @return This formatter
|
||
|
|
*/
|
||
|
|
public Formatter format(Locale l, String format, Object ... args) {
|
||
|
|
ensureOpen();
|
||
|
|
|
||
|
|
// index of last argument referenced
|
||
|
|
int last = -1;
|
||
|
|
// last ordinary index
|
||
|
|
int lasto = -1;
|
||
|
|
|
||
|
|
List<FormatString> fsa = parse(format);
|
||
|
|
for (int i = 0; i < fsa.size(); i++) {
|
||
|
|
var fs = fsa.get(i);
|
||
|
|
int index = fs.index();
|
||
|
|
try {
|
||
|
|
switch (index) {
|
||
|
|
case -2 -> // fixed string, "%n", or "%%"
|
||
|
|
fs.print(null, l);
|
||
|
|
case -1 -> { // relative index
|
||
|
|
if (last < 0 || (args != null && last > args.length - 1))
|
||
|
|
throw new MissingFormatArgumentException(fs.toString());
|
||
|
|
fs.print((args == null ? null : args[last]), l);
|
||
|
|
}
|
||
|
|
case 0 -> { // ordinary index
|
||
|
|
lasto++;
|
||
|
|
last = lasto;
|
||
|
|
if (args != null && lasto > args.length - 1)
|
||
|
|
throw new MissingFormatArgumentException(fs.toString());
|
||
|
|
fs.print((args == null ? null : args[lasto]), l);
|
||
|
|
}
|
||
|
|
default -> { // explicit index
|
||
|
|
last = index - 1;
|
||
|
|
if (args != null && last > args.length - 1)
|
||
|
|
throw new MissingFormatArgumentException(fs.toString());
|
||
|
|
fs.print((args == null ? null : args[last]), l);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
} catch (IOException x) {
|
||
|
|
lastException = x;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return this;
|
||
|
|
}
|
||
|
|
|
||
|
|
// BEGIN Android-changed: changed parse() to manual parsing instead of regex.
|
||
|
|
/**
|
||
|
|
* Finds format specifiers in the format string.
|
||
|
|
*/
|
||
|
|
private List<FormatString> parse(String s) {
|
||
|
|
ArrayList<FormatString> al = new ArrayList<>();
|
||
|
|
for (int i = 0, len = s.length(); i < len; ) {
|
||
|
|
int nextPercent = s.indexOf('%', i);
|
||
|
|
if (s.charAt(i) != '%') {
|
||
|
|
// This is plain-text part, find the maximal plain-text
|
||
|
|
// sequence and store it.
|
||
|
|
int plainTextStart = i;
|
||
|
|
int plainTextEnd = (nextPercent == -1) ? len: nextPercent;
|
||
|
|
al.add(new FixedString(s, plainTextStart, plainTextEnd));
|
||
|
|
i = plainTextEnd;
|
||
|
|
} else {
|
||
|
|
// We have a format specifier
|
||
|
|
FormatSpecifierParser fsp = new FormatSpecifierParser(s, i + 1);
|
||
|
|
al.add(fsp.getFormatSpecifier());
|
||
|
|
i = fsp.getEndIdx();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return al;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Parses the format specifier.
|
||
|
|
* %[argument_index$][flags][width][.precision][t]conversion
|
||
|
|
*/
|
||
|
|
private class FormatSpecifierParser {
|
||
|
|
private final String format;
|
||
|
|
private int cursor;
|
||
|
|
private FormatSpecifier fs;
|
||
|
|
|
||
|
|
private String index;
|
||
|
|
private String flags;
|
||
|
|
private String width;
|
||
|
|
private String precision;
|
||
|
|
private String tT;
|
||
|
|
private String conv;
|
||
|
|
|
||
|
|
private static final String FLAGS = ",-(+# 0<";
|
||
|
|
|
||
|
|
public FormatSpecifierParser(String format, int startIdx) {
|
||
|
|
this.format = format;
|
||
|
|
cursor = startIdx;
|
||
|
|
// Index
|
||
|
|
if (nextIsInt()) {
|
||
|
|
String nint = nextInt();
|
||
|
|
if (peek() == '$') {
|
||
|
|
index = nint;
|
||
|
|
advance();
|
||
|
|
} else if (nint.charAt(0) == '0') {
|
||
|
|
// This is a flag, skip to parsing flags.
|
||
|
|
back(nint.length());
|
||
|
|
} else {
|
||
|
|
// This is the width, skip to parsing precision.
|
||
|
|
width = nint;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
// Flags
|
||
|
|
flags = "";
|
||
|
|
while (width == null && FLAGS.indexOf(peek()) >= 0) {
|
||
|
|
flags += advance();
|
||
|
|
}
|
||
|
|
// Width
|
||
|
|
if (width == null && nextIsInt()) {
|
||
|
|
width = nextInt();
|
||
|
|
}
|
||
|
|
// Precision
|
||
|
|
if (peek() == '.') {
|
||
|
|
advance();
|
||
|
|
if (!nextIsInt()) {
|
||
|
|
throw new IllegalFormatPrecisionException(peek());
|
||
|
|
}
|
||
|
|
precision = nextInt();
|
||
|
|
}
|
||
|
|
// tT
|
||
|
|
if (peek() == 't' || peek() == 'T') {
|
||
|
|
tT = String.valueOf(advance());
|
||
|
|
}
|
||
|
|
// Conversion
|
||
|
|
conv = String.valueOf(advance());
|
||
|
|
|
||
|
|
fs = new FormatSpecifier(index, flags, width, precision, tT, conv);
|
||
|
|
}
|
||
|
|
|
||
|
|
private String nextInt() {
|
||
|
|
int strBegin = cursor;
|
||
|
|
while (nextIsInt()) {
|
||
|
|
advance();
|
||
|
|
}
|
||
|
|
return format.substring(strBegin, cursor);
|
||
|
|
}
|
||
|
|
|
||
|
|
private boolean nextIsInt() {
|
||
|
|
return !isEnd() && Character.isDigit(peek());
|
||
|
|
}
|
||
|
|
|
||
|
|
private char peek() {
|
||
|
|
if (isEnd()) {
|
||
|
|
throw new UnknownFormatConversionException("End of String");
|
||
|
|
}
|
||
|
|
return format.charAt(cursor);
|
||
|
|
}
|
||
|
|
|
||
|
|
private char advance() {
|
||
|
|
if (isEnd()) {
|
||
|
|
throw new UnknownFormatConversionException("End of String");
|
||
|
|
}
|
||
|
|
return format.charAt(cursor++);
|
||
|
|
}
|
||
|
|
|
||
|
|
private void back(int len) {
|
||
|
|
cursor -= len;
|
||
|
|
}
|
||
|
|
|
||
|
|
private boolean isEnd() {
|
||
|
|
return cursor == format.length();
|
||
|
|
}
|
||
|
|
|
||
|
|
public FormatSpecifier getFormatSpecifier() {
|
||
|
|
return fs;
|
||
|
|
}
|
||
|
|
|
||
|
|
public int getEndIdx() {
|
||
|
|
return cursor;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
// END Android-changed: changed parse() to manual parsing instead of regex.
|
||
|
|
|
||
|
|
private interface FormatString {
|
||
|
|
int index();
|
||
|
|
void print(Object arg, Locale l) throws IOException;
|
||
|
|
String toString();
|
||
|
|
}
|
||
|
|
|
||
|
|
private class FixedString implements FormatString {
|
||
|
|
private final String s;
|
||
|
|
private final int start;
|
||
|
|
private final int end;
|
||
|
|
FixedString(String s, int start, int end) {
|
||
|
|
this.s = s;
|
||
|
|
this.start = start;
|
||
|
|
this.end = end;
|
||
|
|
}
|
||
|
|
public int index() { return -2; }
|
||
|
|
public void print(Object arg, Locale l)
|
||
|
|
throws IOException { a.append(s, start, end); }
|
||
|
|
public String toString() { return s.substring(start, end); }
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Enum for {@code BigDecimal} formatting.
|
||
|
|
*/
|
||
|
|
public enum BigDecimalLayoutForm {
|
||
|
|
/**
|
||
|
|
* Format the {@code BigDecimal} in computerized scientific notation.
|
||
|
|
*/
|
||
|
|
SCIENTIFIC,
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Format the {@code BigDecimal} as a decimal number.
|
||
|
|
*/
|
||
|
|
DECIMAL_FLOAT
|
||
|
|
};
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Prior to Android 15 (V), validations of argument index, flags, width, and precision
|
||
|
|
* were lax - it was allowed to use 0 and Integer.MAX_VALUE + 1 as argument index.
|
||
|
|
* <p> Now it will throw exception, as documentation says. Flag is enabled on Android 15+.
|
||
|
|
* @hide
|
||
|
|
*/
|
||
|
|
@ChangeId
|
||
|
|
@EnabledSince(targetSdkVersion = VersionCodes.VANILLA_ICE_CREAM)
|
||
|
|
public static final long ENABLE_STRICT_FORMATTER_VALIDATION = 270674727L;
|
||
|
|
|
||
|
|
private static boolean isStrictValidationEnabled() {
|
||
|
|
return VMRuntime.getSdkVersion() >= VersionCodes.VANILLA_ICE_CREAM
|
||
|
|
&& Compatibility.isChangeEnabled(ENABLE_STRICT_FORMATTER_VALIDATION);
|
||
|
|
}
|
||
|
|
|
||
|
|
private class FormatSpecifier implements FormatString {
|
||
|
|
|
||
|
|
private int index = 0;
|
||
|
|
private Flags f = Flags.NONE;
|
||
|
|
private int width = -1;
|
||
|
|
private int precision = -1;
|
||
|
|
private boolean dt = false;
|
||
|
|
private char c;
|
||
|
|
|
||
|
|
// BEGIN Android-changed: entire String is always consumed.
|
||
|
|
/*
|
||
|
|
private void index(String s, int start, int end) {
|
||
|
|
if (start >= 0) {
|
||
|
|
try {
|
||
|
|
// skip the trailing '$'
|
||
|
|
index = Integer.parseInt(s, start, end - 1, 10);
|
||
|
|
if (index <= 0) {
|
||
|
|
throw new IllegalFormatArgumentIndexException(index);
|
||
|
|
}
|
||
|
|
} catch (NumberFormatException x) {
|
||
|
|
throw new IllegalFormatArgumentIndexException(Integer.MIN_VALUE);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
*/
|
||
|
|
private void index(String s) {
|
||
|
|
if (s != null) {
|
||
|
|
try {
|
||
|
|
// FormatSpecifierParser passes in correct String.
|
||
|
|
index = Integer.parseInt(s);
|
||
|
|
// Before V no exception was thrown by this method.
|
||
|
|
if (isStrictValidationEnabled()) {
|
||
|
|
if (index <= 0) {
|
||
|
|
throw new IllegalFormatArgumentIndexException(index);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
} catch (NumberFormatException x) {
|
||
|
|
// And this exception was swallowed.
|
||
|
|
if (isStrictValidationEnabled()) {
|
||
|
|
throw new IllegalFormatArgumentIndexException(Integer.MIN_VALUE);
|
||
|
|
} else {
|
||
|
|
// -1 is the default value of the old implementation. index value was left
|
||
|
|
// untouched in NFE case.
|
||
|
|
index = -1;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
// END Android-changed: entire String is always consumed.
|
||
|
|
|
||
|
|
public int index() {
|
||
|
|
return index;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Android-changed: entire String is always consumed.
|
||
|
|
// private void flags(String s, int start, int end) {
|
||
|
|
private void flags(String s) {
|
||
|
|
// f = Flags.parse(s, start, end);
|
||
|
|
f = Flags.parse(s, 0, s.length());
|
||
|
|
if (f.contains(Flags.PREVIOUS))
|
||
|
|
index = -1;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Android-changed: entire String is always consumed.
|
||
|
|
// private void width(String s, int start, int end) {
|
||
|
|
private void width(String s) {
|
||
|
|
width = -1;
|
||
|
|
// if (start >= 0) {
|
||
|
|
if (s != null) {
|
||
|
|
try {
|
||
|
|
// width = Integer.parseInt(s, start, end, 10);
|
||
|
|
width = Integer.parseInt(s);
|
||
|
|
if (width < 0)
|
||
|
|
throw new IllegalFormatWidthException(width);
|
||
|
|
} catch (NumberFormatException x) {
|
||
|
|
// Android-changed: prior to V this exception was swallowed.
|
||
|
|
// throw new IllegalFormatWidthException(Integer.MIN_VALUE);
|
||
|
|
if (isStrictValidationEnabled()) {
|
||
|
|
throw new IllegalFormatWidthException(Integer.MIN_VALUE);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// Android-changed: entire String is always consumed.
|
||
|
|
// private void precision(String s, int start, int end) {
|
||
|
|
private void precision(String s) {
|
||
|
|
precision = -1;
|
||
|
|
// if (start >= 0) {
|
||
|
|
if (s != null) {
|
||
|
|
try {
|
||
|
|
// Android-changed: FormatSpecifierParser passes in correct String.
|
||
|
|
// skip the leading '.'
|
||
|
|
// precision = Integer.parseInt(s, start + 1, end, 10);
|
||
|
|
precision = Integer.parseInt(s);
|
||
|
|
if (precision < 0)
|
||
|
|
throw new IllegalFormatPrecisionException(precision);
|
||
|
|
} catch (NumberFormatException x) {
|
||
|
|
// Android-changed: prior to V this exception was swallowed.
|
||
|
|
// throw new IllegalFormatPrecisionException(Integer.MIN_VALUE);
|
||
|
|
if (isStrictValidationEnabled()) {
|
||
|
|
throw new IllegalFormatPrecisionException(Integer.MIN_VALUE);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
private void conversion(char conv) {
|
||
|
|
c = conv;
|
||
|
|
if (!dt) {
|
||
|
|
if (!Conversion.isValid(c)) {
|
||
|
|
throw new UnknownFormatConversionException(String.valueOf(c));
|
||
|
|
}
|
||
|
|
if (Character.isUpperCase(c)) {
|
||
|
|
f.add(Flags.UPPERCASE);
|
||
|
|
c = Character.toLowerCase(c);
|
||
|
|
}
|
||
|
|
if (Conversion.isText(c)) {
|
||
|
|
index = -2;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
FormatSpecifier(char conv) {
|
||
|
|
c = conv;
|
||
|
|
if (Character.isUpperCase(conv)) {
|
||
|
|
f = Flags.UPPERCASE;
|
||
|
|
c = Character.toLowerCase(conv);
|
||
|
|
}
|
||
|
|
if (Conversion.isText(conv)) {
|
||
|
|
index = -2;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// BEGIN Android-changed: FormatSpecifierParser passes in the values instead of a Matcher.
|
||
|
|
FormatSpecifier(String indexStr, String flagsStr, String widthStr,
|
||
|
|
String precisionStr, String tTStr, String convStr) {
|
||
|
|
index(indexStr);
|
||
|
|
flags(flagsStr);
|
||
|
|
width(widthStr);
|
||
|
|
precision(precisionStr);
|
||
|
|
|
||
|
|
if (tTStr != null) {
|
||
|
|
dt = true;
|
||
|
|
if (tTStr.equals("T")) {
|
||
|
|
f.add(Flags.UPPERCASE);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
conversion(convStr.charAt(0));
|
||
|
|
// END Android-changed: FormatSpecifierParser passes in the values instead of a Matcher.
|
||
|
|
if (dt)
|
||
|
|
checkDateTime();
|
||
|
|
else if (Conversion.isGeneral(c))
|
||
|
|
checkGeneral();
|
||
|
|
else if (Conversion.isCharacter(c))
|
||
|
|
checkCharacter();
|
||
|
|
else if (Conversion.isInteger(c))
|
||
|
|
checkInteger();
|
||
|
|
else if (Conversion.isFloat(c))
|
||
|
|
checkFloat();
|
||
|
|
else if (Conversion.isText(c))
|
||
|
|
checkText();
|
||
|
|
else
|
||
|
|
throw new UnknownFormatConversionException(String.valueOf(c));
|
||
|
|
}
|
||
|
|
|
||
|
|
public void print(Object arg, Locale l) throws IOException {
|
||
|
|
if (dt) {
|
||
|
|
printDateTime(arg, l);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
switch(c) {
|
||
|
|
case Conversion.DECIMAL_INTEGER:
|
||
|
|
case Conversion.OCTAL_INTEGER:
|
||
|
|
case Conversion.HEXADECIMAL_INTEGER:
|
||
|
|
printInteger(arg, l);
|
||
|
|
break;
|
||
|
|
case Conversion.SCIENTIFIC:
|
||
|
|
case Conversion.GENERAL:
|
||
|
|
case Conversion.DECIMAL_FLOAT:
|
||
|
|
case Conversion.HEXADECIMAL_FLOAT:
|
||
|
|
printFloat(arg, l);
|
||
|
|
break;
|
||
|
|
case Conversion.CHARACTER:
|
||
|
|
printCharacter(arg, l);
|
||
|
|
break;
|
||
|
|
case Conversion.BOOLEAN:
|
||
|
|
printBoolean(arg, l);
|
||
|
|
break;
|
||
|
|
case Conversion.STRING:
|
||
|
|
printString(arg, l);
|
||
|
|
break;
|
||
|
|
case Conversion.HASHCODE:
|
||
|
|
printHashCode(arg, l);
|
||
|
|
break;
|
||
|
|
case Conversion.LINE_SEPARATOR:
|
||
|
|
a.append(System.lineSeparator());
|
||
|
|
break;
|
||
|
|
case Conversion.PERCENT_SIGN:
|
||
|
|
print("%", l);
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
assert false;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
private void printInteger(Object arg, Locale l) throws IOException {
|
||
|
|
if (arg == null)
|
||
|
|
print("null", l);
|
||
|
|
else if (arg instanceof Byte)
|
||
|
|
print(((Byte)arg).byteValue(), l);
|
||
|
|
else if (arg instanceof Short)
|
||
|
|
print(((Short)arg).shortValue(), l);
|
||
|
|
else if (arg instanceof Integer)
|
||
|
|
print(((Integer)arg).intValue(), l);
|
||
|
|
else if (arg instanceof Long)
|
||
|
|
print(((Long)arg).longValue(), l);
|
||
|
|
else if (arg instanceof BigInteger)
|
||
|
|
print(((BigInteger)arg), l);
|
||
|
|
else
|
||
|
|
failConversion(c, arg);
|
||
|
|
}
|
||
|
|
|
||
|
|
private void printFloat(Object arg, Locale l) throws IOException {
|
||
|
|
if (arg == null)
|
||
|
|
print("null", l);
|
||
|
|
else if (arg instanceof Float)
|
||
|
|
print(((Float)arg).floatValue(), l);
|
||
|
|
else if (arg instanceof Double)
|
||
|
|
print(((Double)arg).doubleValue(), l);
|
||
|
|
else if (arg instanceof BigDecimal)
|
||
|
|
print(((BigDecimal)arg), l);
|
||
|
|
else
|
||
|
|
failConversion(c, arg);
|
||
|
|
}
|
||
|
|
|
||
|
|
private void printDateTime(Object arg, Locale l) throws IOException {
|
||
|
|
if (arg == null) {
|
||
|
|
print("null", l);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
Calendar cal = null;
|
||
|
|
|
||
|
|
// Instead of Calendar.setLenient(true), perhaps we should
|
||
|
|
// wrap the IllegalArgumentException that might be thrown?
|
||
|
|
if (arg instanceof Long) {
|
||
|
|
// Note that the following method uses an instance of the
|
||
|
|
// default time zone (TimeZone.getDefaultRef().
|
||
|
|
cal = Calendar.getInstance(l == null ? Locale.US : l);
|
||
|
|
cal.setTimeInMillis((Long)arg);
|
||
|
|
} else if (arg instanceof Date) {
|
||
|
|
// Note that the following method uses an instance of the
|
||
|
|
// default time zone (TimeZone.getDefaultRef().
|
||
|
|
cal = Calendar.getInstance(l == null ? Locale.US : l);
|
||
|
|
cal.setTime((Date)arg);
|
||
|
|
} else if (arg instanceof Calendar) {
|
||
|
|
cal = (Calendar) ((Calendar) arg).clone();
|
||
|
|
cal.setLenient(true);
|
||
|
|
} else if (arg instanceof TemporalAccessor) {
|
||
|
|
print((TemporalAccessor) arg, c, l);
|
||
|
|
return;
|
||
|
|
} else {
|
||
|
|
failConversion(c, arg);
|
||
|
|
}
|
||
|
|
// Use the provided locale so that invocations of
|
||
|
|
// localizedMagnitude() use optimizations for null.
|
||
|
|
print(cal, c, l);
|
||
|
|
}
|
||
|
|
|
||
|
|
private void printCharacter(Object arg, Locale l) throws IOException {
|
||
|
|
if (arg == null) {
|
||
|
|
print("null", l);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
String s = null;
|
||
|
|
if (arg instanceof Character) {
|
||
|
|
s = ((Character)arg).toString();
|
||
|
|
} else if (arg instanceof Byte) {
|
||
|
|
byte i = (Byte) arg;
|
||
|
|
if (Character.isValidCodePoint(i))
|
||
|
|
s = new String(Character.toChars(i));
|
||
|
|
else
|
||
|
|
throw new IllegalFormatCodePointException(i);
|
||
|
|
} else if (arg instanceof Short) {
|
||
|
|
short i = (Short) arg;
|
||
|
|
if (Character.isValidCodePoint(i))
|
||
|
|
s = new String(Character.toChars(i));
|
||
|
|
else
|
||
|
|
throw new IllegalFormatCodePointException(i);
|
||
|
|
} else if (arg instanceof Integer) {
|
||
|
|
int i = (Integer) arg;
|
||
|
|
if (Character.isValidCodePoint(i))
|
||
|
|
s = new String(Character.toChars(i));
|
||
|
|
else
|
||
|
|
throw new IllegalFormatCodePointException(i);
|
||
|
|
} else {
|
||
|
|
failConversion(c, arg);
|
||
|
|
}
|
||
|
|
print(s, l);
|
||
|
|
}
|
||
|
|
|
||
|
|
private void printString(Object arg, Locale l) throws IOException {
|
||
|
|
if (arg instanceof Formattable) {
|
||
|
|
Formatter fmt = Formatter.this;
|
||
|
|
if (fmt.locale() != l)
|
||
|
|
fmt = new Formatter(fmt.out(), l);
|
||
|
|
((Formattable)arg).formatTo(fmt, f.valueOf(), width, precision);
|
||
|
|
} else {
|
||
|
|
if (f.contains(Flags.ALTERNATE))
|
||
|
|
failMismatch(Flags.ALTERNATE, 's');
|
||
|
|
if (arg == null)
|
||
|
|
print("null", l);
|
||
|
|
else
|
||
|
|
print(arg.toString(), l);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
private void printBoolean(Object arg, Locale l) throws IOException {
|
||
|
|
String s;
|
||
|
|
if (arg != null)
|
||
|
|
s = ((arg instanceof Boolean)
|
||
|
|
? ((Boolean)arg).toString()
|
||
|
|
: Boolean.toString(true));
|
||
|
|
else
|
||
|
|
s = Boolean.toString(false);
|
||
|
|
print(s, l);
|
||
|
|
}
|
||
|
|
|
||
|
|
private void printHashCode(Object arg, Locale l) throws IOException {
|
||
|
|
String s = (arg == null
|
||
|
|
? "null"
|
||
|
|
: Integer.toHexString(arg.hashCode()));
|
||
|
|
print(s, l);
|
||
|
|
}
|
||
|
|
|
||
|
|
private void print(String s, Locale l) throws IOException {
|
||
|
|
if (precision != -1 && precision < s.length())
|
||
|
|
s = s.substring(0, precision);
|
||
|
|
if (f.contains(Flags.UPPERCASE))
|
||
|
|
s = toUpperCaseWithLocale(s, l);
|
||
|
|
appendJustified(a, s);
|
||
|
|
}
|
||
|
|
|
||
|
|
private String toUpperCaseWithLocale(String s, Locale l) {
|
||
|
|
return s.toUpperCase(Objects.requireNonNullElse(l,
|
||
|
|
Locale.getDefault(Locale.Category.FORMAT)));
|
||
|
|
}
|
||
|
|
|
||
|
|
private void appendJustified(Appendable a, CharSequence cs) throws IOException {
|
||
|
|
if (width == -1) {
|
||
|
|
a.append(cs);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
boolean padRight = f.contains(Flags.LEFT_JUSTIFY);
|
||
|
|
int sp = width - cs.length();
|
||
|
|
if (padRight) {
|
||
|
|
a.append(cs);
|
||
|
|
}
|
||
|
|
for (int i = 0; i < sp; i++) {
|
||
|
|
a.append(' ');
|
||
|
|
}
|
||
|
|
if (!padRight) {
|
||
|
|
a.append(cs);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
public String toString() {
|
||
|
|
StringBuilder sb = new StringBuilder("%");
|
||
|
|
// Flags.UPPERCASE is set internally for legal conversions.
|
||
|
|
Flags dupf = f.dup().remove(Flags.UPPERCASE);
|
||
|
|
sb.append(dupf.toString());
|
||
|
|
if (index > 0)
|
||
|
|
sb.append(index).append('$');
|
||
|
|
if (width != -1)
|
||
|
|
sb.append(width);
|
||
|
|
if (precision != -1)
|
||
|
|
sb.append('.').append(precision);
|
||
|
|
if (dt)
|
||
|
|
sb.append(f.contains(Flags.UPPERCASE) ? 'T' : 't');
|
||
|
|
sb.append(f.contains(Flags.UPPERCASE)
|
||
|
|
? Character.toUpperCase(c) : c);
|
||
|
|
return sb.toString();
|
||
|
|
}
|
||
|
|
|
||
|
|
private void checkGeneral() {
|
||
|
|
if ((c == Conversion.BOOLEAN || c == Conversion.HASHCODE)
|
||
|
|
&& f.contains(Flags.ALTERNATE))
|
||
|
|
failMismatch(Flags.ALTERNATE, c);
|
||
|
|
// '-' requires a width
|
||
|
|
if (width == -1 && f.contains(Flags.LEFT_JUSTIFY))
|
||
|
|
throw new MissingFormatWidthException(toString());
|
||
|
|
checkBadFlags(Flags.PLUS, Flags.LEADING_SPACE, Flags.ZERO_PAD,
|
||
|
|
Flags.GROUP, Flags.PARENTHESES);
|
||
|
|
}
|
||
|
|
|
||
|
|
private void checkDateTime() {
|
||
|
|
if (precision != -1)
|
||
|
|
throw new IllegalFormatPrecisionException(precision);
|
||
|
|
if (!DateTime.isValid(c))
|
||
|
|
throw new UnknownFormatConversionException("t" + c);
|
||
|
|
checkBadFlags(Flags.ALTERNATE, Flags.PLUS, Flags.LEADING_SPACE,
|
||
|
|
Flags.ZERO_PAD, Flags.GROUP, Flags.PARENTHESES);
|
||
|
|
// '-' requires a width
|
||
|
|
if (width == -1 && f.contains(Flags.LEFT_JUSTIFY))
|
||
|
|
throw new MissingFormatWidthException(toString());
|
||
|
|
}
|
||
|
|
|
||
|
|
private void checkCharacter() {
|
||
|
|
if (precision != -1)
|
||
|
|
throw new IllegalFormatPrecisionException(precision);
|
||
|
|
checkBadFlags(Flags.ALTERNATE, Flags.PLUS, Flags.LEADING_SPACE,
|
||
|
|
Flags.ZERO_PAD, Flags.GROUP, Flags.PARENTHESES);
|
||
|
|
// '-' requires a width
|
||
|
|
if (width == -1 && f.contains(Flags.LEFT_JUSTIFY))
|
||
|
|
throw new MissingFormatWidthException(toString());
|
||
|
|
}
|
||
|
|
|
||
|
|
private void checkInteger() {
|
||
|
|
checkNumeric();
|
||
|
|
if (precision != -1)
|
||
|
|
throw new IllegalFormatPrecisionException(precision);
|
||
|
|
|
||
|
|
if (c == Conversion.DECIMAL_INTEGER)
|
||
|
|
checkBadFlags(Flags.ALTERNATE);
|
||
|
|
else if (c == Conversion.OCTAL_INTEGER)
|
||
|
|
checkBadFlags(Flags.GROUP);
|
||
|
|
else
|
||
|
|
checkBadFlags(Flags.GROUP);
|
||
|
|
}
|
||
|
|
|
||
|
|
private void checkBadFlags(Flags ... badFlags) {
|
||
|
|
for (Flags badFlag : badFlags)
|
||
|
|
if (f.contains(badFlag))
|
||
|
|
failMismatch(badFlag, c);
|
||
|
|
}
|
||
|
|
|
||
|
|
private void checkFloat() {
|
||
|
|
checkNumeric();
|
||
|
|
if (c == Conversion.DECIMAL_FLOAT) {
|
||
|
|
} else if (c == Conversion.HEXADECIMAL_FLOAT) {
|
||
|
|
checkBadFlags(Flags.PARENTHESES, Flags.GROUP);
|
||
|
|
} else if (c == Conversion.SCIENTIFIC) {
|
||
|
|
checkBadFlags(Flags.GROUP);
|
||
|
|
} else if (c == Conversion.GENERAL) {
|
||
|
|
checkBadFlags(Flags.ALTERNATE);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
private void checkNumeric() {
|
||
|
|
if (width != -1 && width < 0)
|
||
|
|
throw new IllegalFormatWidthException(width);
|
||
|
|
|
||
|
|
if (precision != -1 && precision < 0)
|
||
|
|
throw new IllegalFormatPrecisionException(precision);
|
||
|
|
|
||
|
|
// '-' and '0' require a width
|
||
|
|
if (width == -1
|
||
|
|
&& (f.contains(Flags.LEFT_JUSTIFY) || f.contains(Flags.ZERO_PAD)))
|
||
|
|
throw new MissingFormatWidthException(toString());
|
||
|
|
|
||
|
|
// bad combination
|
||
|
|
if ((f.contains(Flags.PLUS) && f.contains(Flags.LEADING_SPACE))
|
||
|
|
|| (f.contains(Flags.LEFT_JUSTIFY) && f.contains(Flags.ZERO_PAD)))
|
||
|
|
throw new IllegalFormatFlagsException(f.toString());
|
||
|
|
}
|
||
|
|
|
||
|
|
private void checkText() {
|
||
|
|
if (precision != -1)
|
||
|
|
throw new IllegalFormatPrecisionException(precision);
|
||
|
|
switch (c) {
|
||
|
|
case Conversion.PERCENT_SIGN:
|
||
|
|
if (f.valueOf() != Flags.LEFT_JUSTIFY.valueOf()
|
||
|
|
&& f.valueOf() != Flags.NONE.valueOf())
|
||
|
|
throw new IllegalFormatFlagsException(f.toString());
|
||
|
|
// '-' requires a width
|
||
|
|
if (width == -1 && f.contains(Flags.LEFT_JUSTIFY))
|
||
|
|
throw new MissingFormatWidthException(toString());
|
||
|
|
break;
|
||
|
|
case Conversion.LINE_SEPARATOR:
|
||
|
|
if (width != -1)
|
||
|
|
throw new IllegalFormatWidthException(width);
|
||
|
|
if (f.valueOf() != Flags.NONE.valueOf())
|
||
|
|
throw new IllegalFormatFlagsException(f.toString());
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
assert false;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
private void print(byte value, Locale l) throws IOException {
|
||
|
|
long v = value;
|
||
|
|
if (value < 0
|
||
|
|
&& (c == Conversion.OCTAL_INTEGER
|
||
|
|
|| c == Conversion.HEXADECIMAL_INTEGER)) {
|
||
|
|
v += (1L << 8);
|
||
|
|
}
|
||
|
|
print(v, l);
|
||
|
|
}
|
||
|
|
|
||
|
|
private void print(short value, Locale l) throws IOException {
|
||
|
|
long v = value;
|
||
|
|
if (value < 0
|
||
|
|
&& (c == Conversion.OCTAL_INTEGER
|
||
|
|
|| c == Conversion.HEXADECIMAL_INTEGER)) {
|
||
|
|
v += (1L << 16);
|
||
|
|
assert v >= 0 : v;
|
||
|
|
}
|
||
|
|
print(v, l);
|
||
|
|
}
|
||
|
|
|
||
|
|
private void print(int value, Locale l) throws IOException {
|
||
|
|
long v = value;
|
||
|
|
if (value < 0
|
||
|
|
&& (c == Conversion.OCTAL_INTEGER
|
||
|
|
|| c == Conversion.HEXADECIMAL_INTEGER)) {
|
||
|
|
v += (1L << 32);
|
||
|
|
assert v >= 0 : v;
|
||
|
|
}
|
||
|
|
print(v, l);
|
||
|
|
}
|
||
|
|
|
||
|
|
private void print(long value, Locale l) throws IOException {
|
||
|
|
|
||
|
|
StringBuilder sb = new StringBuilder();
|
||
|
|
|
||
|
|
if (c == Conversion.DECIMAL_INTEGER) {
|
||
|
|
boolean neg = value < 0;
|
||
|
|
String valueStr = Long.toString(value, 10);
|
||
|
|
|
||
|
|
// leading sign indicator
|
||
|
|
leadingSign(sb, neg);
|
||
|
|
|
||
|
|
// the value
|
||
|
|
localizedMagnitude(sb, valueStr, neg ? 1 : 0, f, adjustWidth(width, f, neg), l);
|
||
|
|
|
||
|
|
// trailing sign indicator
|
||
|
|
trailingSign(sb, neg);
|
||
|
|
} else if (c == Conversion.OCTAL_INTEGER) {
|
||
|
|
checkBadFlags(Flags.PARENTHESES, Flags.LEADING_SPACE,
|
||
|
|
Flags.PLUS);
|
||
|
|
String s = Long.toOctalString(value);
|
||
|
|
int len = (f.contains(Flags.ALTERNATE)
|
||
|
|
? s.length() + 1
|
||
|
|
: s.length());
|
||
|
|
|
||
|
|
// apply ALTERNATE (radix indicator for octal) before ZERO_PAD
|
||
|
|
if (f.contains(Flags.ALTERNATE))
|
||
|
|
sb.append('0');
|
||
|
|
if (f.contains(Flags.ZERO_PAD)) {
|
||
|
|
trailingZeros(sb, width - len);
|
||
|
|
}
|
||
|
|
sb.append(s);
|
||
|
|
} else if (c == Conversion.HEXADECIMAL_INTEGER) {
|
||
|
|
checkBadFlags(Flags.PARENTHESES, Flags.LEADING_SPACE,
|
||
|
|
Flags.PLUS);
|
||
|
|
String s = Long.toHexString(value);
|
||
|
|
int len = (f.contains(Flags.ALTERNATE)
|
||
|
|
? s.length() + 2
|
||
|
|
: s.length());
|
||
|
|
|
||
|
|
// apply ALTERNATE (radix indicator for hex) before ZERO_PAD
|
||
|
|
if (f.contains(Flags.ALTERNATE))
|
||
|
|
sb.append(f.contains(Flags.UPPERCASE) ? "0X" : "0x");
|
||
|
|
if (f.contains(Flags.ZERO_PAD)) {
|
||
|
|
trailingZeros(sb, width - len);
|
||
|
|
}
|
||
|
|
if (f.contains(Flags.UPPERCASE))
|
||
|
|
s = toUpperCaseWithLocale(s, l);
|
||
|
|
sb.append(s);
|
||
|
|
}
|
||
|
|
|
||
|
|
// justify based on width
|
||
|
|
appendJustified(a, sb);
|
||
|
|
}
|
||
|
|
|
||
|
|
// neg := val < 0
|
||
|
|
private StringBuilder leadingSign(StringBuilder sb, boolean neg) {
|
||
|
|
if (!neg) {
|
||
|
|
if (f.contains(Flags.PLUS)) {
|
||
|
|
sb.append('+');
|
||
|
|
} else if (f.contains(Flags.LEADING_SPACE)) {
|
||
|
|
sb.append(' ');
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
if (f.contains(Flags.PARENTHESES))
|
||
|
|
sb.append('(');
|
||
|
|
else
|
||
|
|
sb.append('-');
|
||
|
|
}
|
||
|
|
return sb;
|
||
|
|
}
|
||
|
|
|
||
|
|
// neg := val < 0
|
||
|
|
private StringBuilder trailingSign(StringBuilder sb, boolean neg) {
|
||
|
|
if (neg && f.contains(Flags.PARENTHESES))
|
||
|
|
sb.append(')');
|
||
|
|
return sb;
|
||
|
|
}
|
||
|
|
|
||
|
|
private void print(BigInteger value, Locale l) throws IOException {
|
||
|
|
StringBuilder sb = new StringBuilder();
|
||
|
|
boolean neg = value.signum() == -1;
|
||
|
|
BigInteger v = value.abs();
|
||
|
|
|
||
|
|
// leading sign indicator
|
||
|
|
leadingSign(sb, neg);
|
||
|
|
|
||
|
|
// the value
|
||
|
|
if (c == Conversion.DECIMAL_INTEGER) {
|
||
|
|
localizedMagnitude(sb, v.toString(), 0, f, adjustWidth(width, f, neg), l);
|
||
|
|
} else if (c == Conversion.OCTAL_INTEGER) {
|
||
|
|
String s = v.toString(8);
|
||
|
|
|
||
|
|
int len = s.length() + sb.length();
|
||
|
|
if (neg && f.contains(Flags.PARENTHESES))
|
||
|
|
len++;
|
||
|
|
|
||
|
|
// apply ALTERNATE (radix indicator for octal) before ZERO_PAD
|
||
|
|
if (f.contains(Flags.ALTERNATE)) {
|
||
|
|
len++;
|
||
|
|
sb.append('0');
|
||
|
|
}
|
||
|
|
if (f.contains(Flags.ZERO_PAD)) {
|
||
|
|
trailingZeros(sb, width - len);
|
||
|
|
}
|
||
|
|
sb.append(s);
|
||
|
|
} else if (c == Conversion.HEXADECIMAL_INTEGER) {
|
||
|
|
String s = v.toString(16);
|
||
|
|
|
||
|
|
int len = s.length() + sb.length();
|
||
|
|
if (neg && f.contains(Flags.PARENTHESES))
|
||
|
|
len++;
|
||
|
|
|
||
|
|
// apply ALTERNATE (radix indicator for hex) before ZERO_PAD
|
||
|
|
if (f.contains(Flags.ALTERNATE)) {
|
||
|
|
len += 2;
|
||
|
|
sb.append(f.contains(Flags.UPPERCASE) ? "0X" : "0x");
|
||
|
|
}
|
||
|
|
if (f.contains(Flags.ZERO_PAD)) {
|
||
|
|
trailingZeros(sb, width - len);
|
||
|
|
}
|
||
|
|
if (f.contains(Flags.UPPERCASE))
|
||
|
|
s = toUpperCaseWithLocale(s, l);
|
||
|
|
sb.append(s);
|
||
|
|
}
|
||
|
|
|
||
|
|
// trailing sign indicator
|
||
|
|
trailingSign(sb, (value.signum() == -1));
|
||
|
|
|
||
|
|
// justify based on width
|
||
|
|
appendJustified(a, sb);
|
||
|
|
}
|
||
|
|
|
||
|
|
private void print(float value, Locale l) throws IOException {
|
||
|
|
print((double) value, l);
|
||
|
|
}
|
||
|
|
|
||
|
|
private void print(double value, Locale l) throws IOException {
|
||
|
|
StringBuilder sb = new StringBuilder();
|
||
|
|
boolean neg = Double.compare(value, 0.0) == -1;
|
||
|
|
|
||
|
|
if (!Double.isNaN(value)) {
|
||
|
|
double v = Math.abs(value);
|
||
|
|
|
||
|
|
// leading sign indicator
|
||
|
|
leadingSign(sb, neg);
|
||
|
|
|
||
|
|
// the value
|
||
|
|
if (!Double.isInfinite(v))
|
||
|
|
print(sb, v, l, f, c, precision, neg);
|
||
|
|
else
|
||
|
|
sb.append(f.contains(Flags.UPPERCASE)
|
||
|
|
? "INFINITY" : "Infinity");
|
||
|
|
|
||
|
|
// trailing sign indicator
|
||
|
|
trailingSign(sb, neg);
|
||
|
|
} else {
|
||
|
|
sb.append(f.contains(Flags.UPPERCASE) ? "NAN" : "NaN");
|
||
|
|
}
|
||
|
|
|
||
|
|
// justify based on width
|
||
|
|
appendJustified(a, sb);
|
||
|
|
}
|
||
|
|
|
||
|
|
// !Double.isInfinite(value) && !Double.isNaN(value)
|
||
|
|
private void print(StringBuilder sb, double value, Locale l,
|
||
|
|
Flags f, char c, int precision, boolean neg)
|
||
|
|
throws IOException
|
||
|
|
{
|
||
|
|
if (c == Conversion.SCIENTIFIC) {
|
||
|
|
// Create a new FormattedFloatingDecimal with the desired
|
||
|
|
// precision.
|
||
|
|
int prec = (precision == -1 ? 6 : precision);
|
||
|
|
|
||
|
|
FormattedFloatingDecimal fd
|
||
|
|
= FormattedFloatingDecimal.valueOf(value, prec,
|
||
|
|
FormattedFloatingDecimal.Form.SCIENTIFIC);
|
||
|
|
|
||
|
|
StringBuilder mant = new StringBuilder().append(fd.getMantissa());
|
||
|
|
addZeros(mant, prec);
|
||
|
|
|
||
|
|
// If the precision is zero and the '#' flag is set, add the
|
||
|
|
// requested decimal point.
|
||
|
|
if (f.contains(Flags.ALTERNATE) && (prec == 0)) {
|
||
|
|
mant.append('.');
|
||
|
|
}
|
||
|
|
|
||
|
|
char[] exp = (value == 0.0)
|
||
|
|
? new char[] {'+','0','0'} : fd.getExponent();
|
||
|
|
|
||
|
|
int newW = width;
|
||
|
|
if (width != -1) {
|
||
|
|
newW = adjustWidth(width - exp.length - 1, f, neg);
|
||
|
|
}
|
||
|
|
localizedMagnitude(sb, mant, 0, f, newW, l);
|
||
|
|
|
||
|
|
// BEGIN Android-changed: Use localized exponent separator for %e.
|
||
|
|
Locale separatorLocale = (l != null) ? l : Locale.getDefault();
|
||
|
|
DecimalFormatData formatData = DecimalFormatData.getInstance(separatorLocale);
|
||
|
|
sb.append(f.contains(Flags.UPPERCASE) ?
|
||
|
|
formatData.getExponentSeparator().toUpperCase(separatorLocale) :
|
||
|
|
formatData.getExponentSeparator().toLowerCase(separatorLocale));
|
||
|
|
// END Android-changed: Use localized exponent separator for %e.
|
||
|
|
|
||
|
|
char sign = exp[0];
|
||
|
|
assert(sign == '+' || sign == '-');
|
||
|
|
sb.append(sign);
|
||
|
|
|
||
|
|
localizedMagnitudeExp(sb, exp, 1, l);
|
||
|
|
} else if (c == Conversion.DECIMAL_FLOAT) {
|
||
|
|
// Create a new FormattedFloatingDecimal with the desired
|
||
|
|
// precision.
|
||
|
|
int prec = (precision == -1 ? 6 : precision);
|
||
|
|
|
||
|
|
FormattedFloatingDecimal fd
|
||
|
|
= FormattedFloatingDecimal.valueOf(value, prec,
|
||
|
|
FormattedFloatingDecimal.Form.DECIMAL_FLOAT);
|
||
|
|
|
||
|
|
StringBuilder mant = new StringBuilder().append(fd.getMantissa());
|
||
|
|
addZeros(mant, prec);
|
||
|
|
|
||
|
|
// If the precision is zero and the '#' flag is set, add the
|
||
|
|
// requested decimal point.
|
||
|
|
if (f.contains(Flags.ALTERNATE) && (prec == 0))
|
||
|
|
mant.append('.');
|
||
|
|
|
||
|
|
int newW = width;
|
||
|
|
if (width != -1)
|
||
|
|
newW = adjustWidth(width, f, neg);
|
||
|
|
localizedMagnitude(sb, mant, 0, f, newW, l);
|
||
|
|
} else if (c == Conversion.GENERAL) {
|
||
|
|
int prec = precision;
|
||
|
|
if (precision == -1)
|
||
|
|
prec = 6;
|
||
|
|
else if (precision == 0)
|
||
|
|
prec = 1;
|
||
|
|
|
||
|
|
char[] exp;
|
||
|
|
StringBuilder mant = new StringBuilder();
|
||
|
|
int expRounded;
|
||
|
|
if (value == 0.0) {
|
||
|
|
exp = null;
|
||
|
|
mant.append('0');
|
||
|
|
expRounded = 0;
|
||
|
|
} else {
|
||
|
|
FormattedFloatingDecimal fd
|
||
|
|
= FormattedFloatingDecimal.valueOf(value, prec,
|
||
|
|
FormattedFloatingDecimal.Form.GENERAL);
|
||
|
|
exp = fd.getExponent();
|
||
|
|
mant.append(fd.getMantissa());
|
||
|
|
expRounded = fd.getExponentRounded();
|
||
|
|
}
|
||
|
|
|
||
|
|
if (exp != null) {
|
||
|
|
prec -= 1;
|
||
|
|
} else {
|
||
|
|
prec -= expRounded + 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
addZeros(mant, prec);
|
||
|
|
// If the precision is zero and the '#' flag is set, add the
|
||
|
|
// requested decimal point.
|
||
|
|
if (f.contains(Flags.ALTERNATE) && (prec == 0)) {
|
||
|
|
mant.append('.');
|
||
|
|
}
|
||
|
|
|
||
|
|
int newW = width;
|
||
|
|
if (width != -1) {
|
||
|
|
if (exp != null)
|
||
|
|
newW = adjustWidth(width - exp.length - 1, f, neg);
|
||
|
|
else
|
||
|
|
newW = adjustWidth(width, f, neg);
|
||
|
|
}
|
||
|
|
localizedMagnitude(sb, mant, 0, f, newW, l);
|
||
|
|
|
||
|
|
if (exp != null) {
|
||
|
|
sb.append(f.contains(Flags.UPPERCASE) ? 'E' : 'e');
|
||
|
|
|
||
|
|
char sign = exp[0];
|
||
|
|
assert(sign == '+' || sign == '-');
|
||
|
|
sb.append(sign);
|
||
|
|
|
||
|
|
localizedMagnitudeExp(sb, exp, 1, l);
|
||
|
|
}
|
||
|
|
} else if (c == Conversion.HEXADECIMAL_FLOAT) {
|
||
|
|
int prec = precision;
|
||
|
|
if (precision == -1)
|
||
|
|
// assume that we want all of the digits
|
||
|
|
prec = 0;
|
||
|
|
else if (precision == 0)
|
||
|
|
prec = 1;
|
||
|
|
|
||
|
|
String s = hexDouble(value, prec);
|
||
|
|
|
||
|
|
StringBuilder va = new StringBuilder();
|
||
|
|
boolean upper = f.contains(Flags.UPPERCASE);
|
||
|
|
sb.append(upper ? "0X" : "0x");
|
||
|
|
|
||
|
|
if (f.contains(Flags.ZERO_PAD)) {
|
||
|
|
int leadingCharacters = 2;
|
||
|
|
if(f.contains(Flags.LEADING_SPACE) ||
|
||
|
|
f.contains(Flags.PLUS) || neg) {
|
||
|
|
leadingCharacters = 3;
|
||
|
|
}
|
||
|
|
trailingZeros(sb, width - s.length() - leadingCharacters);
|
||
|
|
}
|
||
|
|
|
||
|
|
int idx = s.indexOf('p');
|
||
|
|
if (upper) {
|
||
|
|
String tmp = s.substring(0, idx);
|
||
|
|
// don't localize hex
|
||
|
|
tmp = tmp.toUpperCase(Locale.ROOT);
|
||
|
|
va.append(tmp);
|
||
|
|
} else {
|
||
|
|
va.append(s, 0, idx);
|
||
|
|
}
|
||
|
|
if (prec != 0) {
|
||
|
|
addZeros(va, prec);
|
||
|
|
}
|
||
|
|
sb.append(va);
|
||
|
|
sb.append(upper ? 'P' : 'p');
|
||
|
|
sb.append(s, idx+1, s.length());
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// Add zeros to the requested precision.
|
||
|
|
private void addZeros(StringBuilder sb, int prec) {
|
||
|
|
// Look for the dot. If we don't find one, the we'll need to add
|
||
|
|
// it before we add the zeros.
|
||
|
|
int len = sb.length();
|
||
|
|
int i;
|
||
|
|
for (i = 0; i < len; i++) {
|
||
|
|
if (sb.charAt(i) == '.') {
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
boolean needDot = false;
|
||
|
|
if (i == len) {
|
||
|
|
needDot = true;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Determine existing precision.
|
||
|
|
int outPrec = len - i - (needDot ? 0 : 1);
|
||
|
|
assert (outPrec <= prec);
|
||
|
|
if (outPrec == prec) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Add dot if previously determined to be necessary.
|
||
|
|
if (needDot) {
|
||
|
|
sb.append('.');
|
||
|
|
}
|
||
|
|
|
||
|
|
// Add zeros.
|
||
|
|
trailingZeros(sb, prec - outPrec);
|
||
|
|
}
|
||
|
|
|
||
|
|
// Method assumes that d > 0.
|
||
|
|
private String hexDouble(double d, int prec) {
|
||
|
|
// Let Double.toHexString handle simple cases
|
||
|
|
if (!Double.isFinite(d) || d == 0.0 || prec == 0 || prec >= 13) {
|
||
|
|
// remove "0x"
|
||
|
|
return Double.toHexString(d).substring(2);
|
||
|
|
} else {
|
||
|
|
assert(prec >= 1 && prec <= 12);
|
||
|
|
|
||
|
|
int exponent = Math.getExponent(d);
|
||
|
|
boolean subnormal
|
||
|
|
= (exponent == Double.MIN_EXPONENT - 1);
|
||
|
|
|
||
|
|
// If this is subnormal input so normalize (could be faster to
|
||
|
|
// do as integer operation).
|
||
|
|
if (subnormal) {
|
||
|
|
double scaleUp = Math.scalb(1.0, 54);
|
||
|
|
d *= scaleUp;
|
||
|
|
// Calculate the exponent. This is not just exponent + 54
|
||
|
|
// since the former is not the normalized exponent.
|
||
|
|
exponent = Math.getExponent(d);
|
||
|
|
assert exponent >= Double.MIN_EXPONENT &&
|
||
|
|
exponent <= Double.MAX_EXPONENT: exponent;
|
||
|
|
}
|
||
|
|
|
||
|
|
int precision = 1 + prec*4;
|
||
|
|
int shiftDistance
|
||
|
|
= DoubleConsts.SIGNIFICAND_WIDTH - precision;
|
||
|
|
assert(shiftDistance >= 1 && shiftDistance < DoubleConsts.SIGNIFICAND_WIDTH);
|
||
|
|
|
||
|
|
long doppel = Double.doubleToLongBits(d);
|
||
|
|
// Deterime the number of bits to keep.
|
||
|
|
long newSignif
|
||
|
|
= (doppel & (DoubleConsts.EXP_BIT_MASK
|
||
|
|
| DoubleConsts.SIGNIF_BIT_MASK))
|
||
|
|
>> shiftDistance;
|
||
|
|
// Bits to round away.
|
||
|
|
long roundingBits = doppel & ~(~0L << shiftDistance);
|
||
|
|
|
||
|
|
// To decide how to round, look at the low-order bit of the
|
||
|
|
// working significand, the highest order discarded bit (the
|
||
|
|
// round bit) and whether any of the lower order discarded bits
|
||
|
|
// are nonzero (the sticky bit).
|
||
|
|
|
||
|
|
boolean leastZero = (newSignif & 0x1L) == 0L;
|
||
|
|
boolean round
|
||
|
|
= ((1L << (shiftDistance - 1) ) & roundingBits) != 0L;
|
||
|
|
boolean sticky = shiftDistance > 1 &&
|
||
|
|
(~(1L<< (shiftDistance - 1)) & roundingBits) != 0;
|
||
|
|
if((leastZero && round && sticky) || (!leastZero && round)) {
|
||
|
|
newSignif++;
|
||
|
|
}
|
||
|
|
|
||
|
|
long signBit = doppel & DoubleConsts.SIGN_BIT_MASK;
|
||
|
|
newSignif = signBit | (newSignif << shiftDistance);
|
||
|
|
double result = Double.longBitsToDouble(newSignif);
|
||
|
|
|
||
|
|
if (Double.isInfinite(result) ) {
|
||
|
|
// Infinite result generated by rounding
|
||
|
|
return "1.0p1024";
|
||
|
|
} else {
|
||
|
|
String res = Double.toHexString(result).substring(2);
|
||
|
|
if (!subnormal)
|
||
|
|
return res;
|
||
|
|
else {
|
||
|
|
// Create a normalized subnormal string.
|
||
|
|
int idx = res.indexOf('p');
|
||
|
|
if (idx == -1) {
|
||
|
|
// No 'p' character in hex string.
|
||
|
|
assert false;
|
||
|
|
return null;
|
||
|
|
} else {
|
||
|
|
// Get exponent and append at the end.
|
||
|
|
String exp = res.substring(idx + 1);
|
||
|
|
int iexp = Integer.parseInt(exp) -54;
|
||
|
|
return res.substring(0, idx) + "p"
|
||
|
|
+ Integer.toString(iexp);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
private void print(BigDecimal value, Locale l) throws IOException {
|
||
|
|
if (c == Conversion.HEXADECIMAL_FLOAT)
|
||
|
|
failConversion(c, value);
|
||
|
|
StringBuilder sb = new StringBuilder();
|
||
|
|
boolean neg = value.signum() == -1;
|
||
|
|
BigDecimal v = value.abs();
|
||
|
|
// leading sign indicator
|
||
|
|
leadingSign(sb, neg);
|
||
|
|
|
||
|
|
// the value
|
||
|
|
print(sb, v, l, f, c, precision, neg);
|
||
|
|
|
||
|
|
// trailing sign indicator
|
||
|
|
trailingSign(sb, neg);
|
||
|
|
|
||
|
|
// justify based on width
|
||
|
|
appendJustified(a, sb);
|
||
|
|
}
|
||
|
|
|
||
|
|
// value > 0
|
||
|
|
private void print(StringBuilder sb, BigDecimal value, Locale l,
|
||
|
|
Flags f, char c, int precision, boolean neg)
|
||
|
|
throws IOException
|
||
|
|
{
|
||
|
|
if (c == Conversion.SCIENTIFIC) {
|
||
|
|
// Create a new BigDecimal with the desired precision.
|
||
|
|
int prec = (precision == -1 ? 6 : precision);
|
||
|
|
int scale = value.scale();
|
||
|
|
int origPrec = value.precision();
|
||
|
|
int nzeros = 0;
|
||
|
|
int compPrec;
|
||
|
|
|
||
|
|
if (prec > origPrec - 1) {
|
||
|
|
compPrec = origPrec;
|
||
|
|
nzeros = prec - (origPrec - 1);
|
||
|
|
} else {
|
||
|
|
compPrec = prec + 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
MathContext mc = new MathContext(compPrec);
|
||
|
|
BigDecimal v
|
||
|
|
= new BigDecimal(value.unscaledValue(), scale, mc);
|
||
|
|
|
||
|
|
BigDecimalLayout bdl
|
||
|
|
= new BigDecimalLayout(v.unscaledValue(), v.scale(),
|
||
|
|
BigDecimalLayoutForm.SCIENTIFIC);
|
||
|
|
|
||
|
|
StringBuilder mant = bdl.mantissa();
|
||
|
|
|
||
|
|
// Add a decimal point if necessary. The mantissa may not
|
||
|
|
// contain a decimal point if the scale is zero (the internal
|
||
|
|
// representation has no fractional part) or the original
|
||
|
|
// precision is one. Append a decimal point if '#' is set or if
|
||
|
|
// we require zero padding to get to the requested precision.
|
||
|
|
if ((origPrec == 1 || !bdl.hasDot())
|
||
|
|
&& (nzeros > 0 || (f.contains(Flags.ALTERNATE)))) {
|
||
|
|
mant.append('.');
|
||
|
|
}
|
||
|
|
|
||
|
|
// Add trailing zeros in the case precision is greater than
|
||
|
|
// the number of available digits after the decimal separator.
|
||
|
|
trailingZeros(mant, nzeros);
|
||
|
|
|
||
|
|
StringBuilder exp = bdl.exponent();
|
||
|
|
int newW = width;
|
||
|
|
if (width != -1) {
|
||
|
|
newW = adjustWidth(width - exp.length() - 1, f, neg);
|
||
|
|
}
|
||
|
|
localizedMagnitude(sb, mant, 0, f, newW, l);
|
||
|
|
|
||
|
|
sb.append(f.contains(Flags.UPPERCASE) ? 'E' : 'e');
|
||
|
|
|
||
|
|
Flags flags = f.dup().remove(Flags.GROUP);
|
||
|
|
char sign = exp.charAt(0);
|
||
|
|
assert(sign == '+' || sign == '-');
|
||
|
|
sb.append(sign);
|
||
|
|
|
||
|
|
sb.append(localizedMagnitude(null, exp, 1, flags, -1, l));
|
||
|
|
} else if (c == Conversion.DECIMAL_FLOAT) {
|
||
|
|
// Create a new BigDecimal with the desired precision.
|
||
|
|
int prec = (precision == -1 ? 6 : precision);
|
||
|
|
int scale = value.scale();
|
||
|
|
|
||
|
|
if (scale > prec) {
|
||
|
|
// more "scale" digits than the requested "precision"
|
||
|
|
int compPrec = value.precision();
|
||
|
|
if (compPrec <= scale) {
|
||
|
|
// case of 0.xxxxxx
|
||
|
|
value = value.setScale(prec, RoundingMode.HALF_UP);
|
||
|
|
} else {
|
||
|
|
compPrec -= (scale - prec);
|
||
|
|
value = new BigDecimal(value.unscaledValue(),
|
||
|
|
scale,
|
||
|
|
new MathContext(compPrec));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
BigDecimalLayout bdl = new BigDecimalLayout(
|
||
|
|
value.unscaledValue(),
|
||
|
|
value.scale(),
|
||
|
|
BigDecimalLayoutForm.DECIMAL_FLOAT);
|
||
|
|
|
||
|
|
StringBuilder mant = bdl.mantissa();
|
||
|
|
int nzeros = (bdl.scale() < prec ? prec - bdl.scale() : 0);
|
||
|
|
|
||
|
|
// Add a decimal point if necessary. The mantissa may not
|
||
|
|
// contain a decimal point if the scale is zero (the internal
|
||
|
|
// representation has no fractional part). Append a decimal
|
||
|
|
// point if '#' is set or we require zero padding to get to the
|
||
|
|
// requested precision.
|
||
|
|
if (bdl.scale() == 0 && (f.contains(Flags.ALTERNATE)
|
||
|
|
|| nzeros > 0)) {
|
||
|
|
mant.append('.');
|
||
|
|
}
|
||
|
|
|
||
|
|
// Add trailing zeros if the precision is greater than the
|
||
|
|
// number of available digits after the decimal separator.
|
||
|
|
trailingZeros(mant, nzeros);
|
||
|
|
|
||
|
|
localizedMagnitude(sb, mant, 0, f, adjustWidth(width, f, neg), l);
|
||
|
|
} else if (c == Conversion.GENERAL) {
|
||
|
|
int prec = precision;
|
||
|
|
if (precision == -1)
|
||
|
|
prec = 6;
|
||
|
|
else if (precision == 0)
|
||
|
|
prec = 1;
|
||
|
|
|
||
|
|
value = value.round(new MathContext(prec));
|
||
|
|
if ((value.equals(BigDecimal.ZERO))
|
||
|
|
|| ((value.compareTo(BigDecimal.valueOf(1, 4)) != -1)
|
||
|
|
&& (value.compareTo(BigDecimal.valueOf(1, -prec)) == -1))) {
|
||
|
|
|
||
|
|
int e = - value.scale()
|
||
|
|
+ (value.unscaledValue().toString().length() - 1);
|
||
|
|
|
||
|
|
// xxx.yyy
|
||
|
|
// g precision (# sig digits) = #x + #y
|
||
|
|
// f precision = #y
|
||
|
|
// exponent = #x - 1
|
||
|
|
// => f precision = g precision - exponent - 1
|
||
|
|
// 0.000zzz
|
||
|
|
// g precision (# sig digits) = #z
|
||
|
|
// f precision = #0 (after '.') + #z
|
||
|
|
// exponent = - #0 (after '.') - 1
|
||
|
|
// => f precision = g precision - exponent - 1
|
||
|
|
prec = prec - e - 1;
|
||
|
|
|
||
|
|
print(sb, value, l, f, Conversion.DECIMAL_FLOAT, prec,
|
||
|
|
neg);
|
||
|
|
} else {
|
||
|
|
print(sb, value, l, f, Conversion.SCIENTIFIC, prec - 1, neg);
|
||
|
|
}
|
||
|
|
} else if (c == Conversion.HEXADECIMAL_FLOAT) {
|
||
|
|
// This conversion isn't supported. The error should be
|
||
|
|
// reported earlier.
|
||
|
|
assert false;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
private class BigDecimalLayout {
|
||
|
|
private StringBuilder mant;
|
||
|
|
private StringBuilder exp;
|
||
|
|
private boolean dot = false;
|
||
|
|
private int scale;
|
||
|
|
|
||
|
|
public BigDecimalLayout(BigInteger intVal, int scale, BigDecimalLayoutForm form) {
|
||
|
|
layout(intVal, scale, form);
|
||
|
|
}
|
||
|
|
|
||
|
|
public boolean hasDot() {
|
||
|
|
return dot;
|
||
|
|
}
|
||
|
|
|
||
|
|
public int scale() {
|
||
|
|
return scale;
|
||
|
|
}
|
||
|
|
|
||
|
|
public StringBuilder mantissa() {
|
||
|
|
return mant;
|
||
|
|
}
|
||
|
|
|
||
|
|
// The exponent will be formatted as a sign ('+' or '-') followed
|
||
|
|
// by the exponent zero-padded to include at least two digits.
|
||
|
|
public StringBuilder exponent() {
|
||
|
|
return exp;
|
||
|
|
}
|
||
|
|
|
||
|
|
private void layout(BigInteger intVal, int scale, BigDecimalLayoutForm form) {
|
||
|
|
String coeff = intVal.toString();
|
||
|
|
this.scale = scale;
|
||
|
|
|
||
|
|
// Construct a buffer, with sufficient capacity for all cases.
|
||
|
|
// If E-notation is needed, length will be: +1 if negative, +1
|
||
|
|
// if '.' needed, +2 for "E+", + up to 10 for adjusted
|
||
|
|
// exponent. Otherwise it could have +1 if negative, plus
|
||
|
|
// leading "0.00000"
|
||
|
|
int len = coeff.length();
|
||
|
|
mant = new StringBuilder(len + 14);
|
||
|
|
|
||
|
|
if (scale == 0) {
|
||
|
|
if (len > 1) {
|
||
|
|
mant.append(coeff.charAt(0));
|
||
|
|
if (form == BigDecimalLayoutForm.SCIENTIFIC) {
|
||
|
|
mant.append('.');
|
||
|
|
dot = true;
|
||
|
|
mant.append(coeff, 1, len);
|
||
|
|
exp = new StringBuilder("+");
|
||
|
|
if (len < 10) {
|
||
|
|
exp.append('0').append(len - 1);
|
||
|
|
} else {
|
||
|
|
exp.append(len - 1);
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
mant.append(coeff, 1, len);
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
mant.append(coeff);
|
||
|
|
if (form == BigDecimalLayoutForm.SCIENTIFIC) {
|
||
|
|
exp = new StringBuilder("+00");
|
||
|
|
}
|
||
|
|
}
|
||
|
|
} else if (form == BigDecimalLayoutForm.DECIMAL_FLOAT) {
|
||
|
|
// count of padding zeros
|
||
|
|
|
||
|
|
if (scale >= len) {
|
||
|
|
// 0.xxx form
|
||
|
|
mant.append("0.");
|
||
|
|
dot = true;
|
||
|
|
trailingZeros(mant, scale - len);
|
||
|
|
mant.append(coeff);
|
||
|
|
} else {
|
||
|
|
if (scale > 0) {
|
||
|
|
// xx.xx form
|
||
|
|
int pad = len - scale;
|
||
|
|
mant.append(coeff, 0, pad);
|
||
|
|
mant.append('.');
|
||
|
|
dot = true;
|
||
|
|
mant.append(coeff, pad, len);
|
||
|
|
} else { // scale < 0
|
||
|
|
// xx form
|
||
|
|
mant.append(coeff, 0, len);
|
||
|
|
if (intVal.signum() != 0) {
|
||
|
|
trailingZeros(mant, -scale);
|
||
|
|
}
|
||
|
|
this.scale = 0;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
// x.xxx form
|
||
|
|
mant.append(coeff.charAt(0));
|
||
|
|
if (len > 1) {
|
||
|
|
mant.append('.');
|
||
|
|
dot = true;
|
||
|
|
mant.append(coeff, 1, len);
|
||
|
|
}
|
||
|
|
exp = new StringBuilder();
|
||
|
|
long adjusted = -(long) scale + (len - 1);
|
||
|
|
if (adjusted != 0) {
|
||
|
|
long abs = Math.abs(adjusted);
|
||
|
|
// require sign
|
||
|
|
exp.append(adjusted < 0 ? '-' : '+');
|
||
|
|
if (abs < 10) {
|
||
|
|
exp.append('0');
|
||
|
|
}
|
||
|
|
exp.append(abs);
|
||
|
|
} else {
|
||
|
|
exp.append("+00");
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
private int adjustWidth(int width, Flags f, boolean neg) {
|
||
|
|
int newW = width;
|
||
|
|
if (newW != -1 && neg && f.contains(Flags.PARENTHESES))
|
||
|
|
newW--;
|
||
|
|
return newW;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Add trailing zeros
|
||
|
|
private void trailingZeros(StringBuilder sb, int nzeros) {
|
||
|
|
for (int i = 0; i < nzeros; i++) {
|
||
|
|
sb.append('0');
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
private void print(Calendar t, char c, Locale l) throws IOException {
|
||
|
|
StringBuilder sb = new StringBuilder();
|
||
|
|
print(sb, t, c, l);
|
||
|
|
|
||
|
|
// justify based on width
|
||
|
|
if (f.contains(Flags.UPPERCASE)) {
|
||
|
|
appendJustified(a, toUpperCaseWithLocale(sb.toString(), l));
|
||
|
|
} else {
|
||
|
|
appendJustified(a, sb);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
private Appendable print(StringBuilder sb, Calendar t, char c, Locale l)
|
||
|
|
throws IOException {
|
||
|
|
if (sb == null)
|
||
|
|
sb = new StringBuilder();
|
||
|
|
switch (c) {
|
||
|
|
case DateTime.HOUR_OF_DAY_0: // 'H' (00 - 23)
|
||
|
|
case DateTime.HOUR_0: // 'I' (01 - 12)
|
||
|
|
case DateTime.HOUR_OF_DAY: // 'k' (0 - 23) -- like H
|
||
|
|
case DateTime.HOUR: { // 'l' (1 - 12) -- like I
|
||
|
|
int i = t.get(Calendar.HOUR_OF_DAY);
|
||
|
|
if (c == DateTime.HOUR_0 || c == DateTime.HOUR)
|
||
|
|
i = (i == 0 || i == 12 ? 12 : i % 12);
|
||
|
|
Flags flags = (c == DateTime.HOUR_OF_DAY_0
|
||
|
|
|| c == DateTime.HOUR_0
|
||
|
|
? Flags.ZERO_PAD
|
||
|
|
: Flags.NONE);
|
||
|
|
sb.append(localizedMagnitude(null, i, flags, 2, l));
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
case DateTime.MINUTE: { // 'M' (00 - 59)
|
||
|
|
int i = t.get(Calendar.MINUTE);
|
||
|
|
Flags flags = Flags.ZERO_PAD;
|
||
|
|
sb.append(localizedMagnitude(null, i, flags, 2, l));
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
case DateTime.NANOSECOND: { // 'N' (000000000 - 999999999)
|
||
|
|
int i = t.get(Calendar.MILLISECOND) * 1000000;
|
||
|
|
Flags flags = Flags.ZERO_PAD;
|
||
|
|
sb.append(localizedMagnitude(null, i, flags, 9, l));
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
case DateTime.MILLISECOND: { // 'L' (000 - 999)
|
||
|
|
int i = t.get(Calendar.MILLISECOND);
|
||
|
|
Flags flags = Flags.ZERO_PAD;
|
||
|
|
sb.append(localizedMagnitude(null, i, flags, 3, l));
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
case DateTime.MILLISECOND_SINCE_EPOCH: { // 'Q' (0 - 99...?)
|
||
|
|
long i = t.getTimeInMillis();
|
||
|
|
Flags flags = Flags.NONE;
|
||
|
|
sb.append(localizedMagnitude(null, i, flags, width, l));
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
case DateTime.AM_PM: { // 'p' (am or pm)
|
||
|
|
// Calendar.AM = 0, Calendar.PM = 1, LocaleElements defines upper
|
||
|
|
String[] ampm = { "AM", "PM" };
|
||
|
|
if (l != null && l != Locale.US) {
|
||
|
|
DateFormatSymbols dfs = DateFormatSymbols.getInstance(l);
|
||
|
|
ampm = dfs.getAmPmStrings();
|
||
|
|
}
|
||
|
|
String s = ampm[t.get(Calendar.AM_PM)];
|
||
|
|
sb.append(s.toLowerCase(Objects.requireNonNullElse(l,
|
||
|
|
Locale.getDefault(Locale.Category.FORMAT))));
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
case DateTime.SECONDS_SINCE_EPOCH: { // 's' (0 - 99...?)
|
||
|
|
long i = t.getTimeInMillis() / 1000;
|
||
|
|
Flags flags = Flags.NONE;
|
||
|
|
sb.append(localizedMagnitude(null, i, flags, width, l));
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
case DateTime.SECOND: { // 'S' (00 - 60 - leap second)
|
||
|
|
int i = t.get(Calendar.SECOND);
|
||
|
|
Flags flags = Flags.ZERO_PAD;
|
||
|
|
sb.append(localizedMagnitude(null, i, flags, 2, l));
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
case DateTime.ZONE_NUMERIC: { // 'z' ({-|+}####) - ls minus?
|
||
|
|
int i = t.get(Calendar.ZONE_OFFSET) + t.get(Calendar.DST_OFFSET);
|
||
|
|
boolean neg = i < 0;
|
||
|
|
sb.append(neg ? '-' : '+');
|
||
|
|
if (neg)
|
||
|
|
i = -i;
|
||
|
|
int min = i / 60000;
|
||
|
|
// combine minute and hour into a single integer
|
||
|
|
int offset = (min / 60) * 100 + (min % 60);
|
||
|
|
Flags flags = Flags.ZERO_PAD;
|
||
|
|
|
||
|
|
sb.append(localizedMagnitude(null, offset, flags, 4, l));
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
case DateTime.ZONE: { // 'Z' (symbol)
|
||
|
|
TimeZone tz = t.getTimeZone();
|
||
|
|
sb.append(tz.getDisplayName((t.get(Calendar.DST_OFFSET) != 0),
|
||
|
|
TimeZone.SHORT,
|
||
|
|
Objects.requireNonNullElse(l, Locale.US)));
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Date
|
||
|
|
case DateTime.NAME_OF_DAY_ABBREV: // 'a'
|
||
|
|
case DateTime.NAME_OF_DAY: { // 'A'
|
||
|
|
int i = t.get(Calendar.DAY_OF_WEEK);
|
||
|
|
Locale lt = Objects.requireNonNullElse(l, Locale.US);
|
||
|
|
DateFormatSymbols dfs = DateFormatSymbols.getInstance(lt);
|
||
|
|
if (c == DateTime.NAME_OF_DAY)
|
||
|
|
sb.append(dfs.getWeekdays()[i]);
|
||
|
|
else
|
||
|
|
sb.append(dfs.getShortWeekdays()[i]);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
case DateTime.NAME_OF_MONTH_ABBREV: // 'b'
|
||
|
|
case DateTime.NAME_OF_MONTH_ABBREV_X: // 'h' -- same b
|
||
|
|
case DateTime.NAME_OF_MONTH: { // 'B'
|
||
|
|
int i = t.get(Calendar.MONTH);
|
||
|
|
Locale lt = Objects.requireNonNullElse(l, Locale.US);
|
||
|
|
DateFormatSymbols dfs = DateFormatSymbols.getInstance(lt);
|
||
|
|
if (c == DateTime.NAME_OF_MONTH)
|
||
|
|
sb.append(dfs.getMonths()[i]);
|
||
|
|
else
|
||
|
|
sb.append(dfs.getShortMonths()[i]);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
case DateTime.CENTURY: // 'C' (00 - 99)
|
||
|
|
case DateTime.YEAR_2: // 'y' (00 - 99)
|
||
|
|
case DateTime.YEAR_4: { // 'Y' (0000 - 9999)
|
||
|
|
int i = t.get(Calendar.YEAR);
|
||
|
|
int size = 2;
|
||
|
|
switch (c) {
|
||
|
|
case DateTime.CENTURY -> i /= 100;
|
||
|
|
case DateTime.YEAR_2 -> i %= 100;
|
||
|
|
case DateTime.YEAR_4 -> size = 4;
|
||
|
|
}
|
||
|
|
Flags flags = Flags.ZERO_PAD;
|
||
|
|
sb.append(localizedMagnitude(null, i, flags, size, l));
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
case DateTime.DAY_OF_MONTH_0: // 'd' (01 - 31)
|
||
|
|
case DateTime.DAY_OF_MONTH: { // 'e' (1 - 31) -- like d
|
||
|
|
int i = t.get(Calendar.DATE);
|
||
|
|
Flags flags = (c == DateTime.DAY_OF_MONTH_0
|
||
|
|
? Flags.ZERO_PAD
|
||
|
|
: Flags.NONE);
|
||
|
|
sb.append(localizedMagnitude(null, i, flags, 2, l));
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
case DateTime.DAY_OF_YEAR: { // 'j' (001 - 366)
|
||
|
|
int i = t.get(Calendar.DAY_OF_YEAR);
|
||
|
|
Flags flags = Flags.ZERO_PAD;
|
||
|
|
sb.append(localizedMagnitude(null, i, flags, 3, l));
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
case DateTime.MONTH: { // 'm' (01 - 12)
|
||
|
|
int i = t.get(Calendar.MONTH) + 1;
|
||
|
|
Flags flags = Flags.ZERO_PAD;
|
||
|
|
sb.append(localizedMagnitude(null, i, flags, 2, l));
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Composites
|
||
|
|
case DateTime.TIME: // 'T' (24 hour hh:mm:ss - %tH:%tM:%tS)
|
||
|
|
case DateTime.TIME_24_HOUR: { // 'R' (hh:mm same as %H:%M)
|
||
|
|
char sep = ':';
|
||
|
|
print(sb, t, DateTime.HOUR_OF_DAY_0, l).append(sep);
|
||
|
|
print(sb, t, DateTime.MINUTE, l);
|
||
|
|
if (c == DateTime.TIME) {
|
||
|
|
sb.append(sep);
|
||
|
|
print(sb, t, DateTime.SECOND, l);
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
case DateTime.TIME_12_HOUR: { // 'r' (hh:mm:ss [AP]M)
|
||
|
|
char sep = ':';
|
||
|
|
print(sb, t, DateTime.HOUR_0, l).append(sep);
|
||
|
|
print(sb, t, DateTime.MINUTE, l).append(sep);
|
||
|
|
print(sb, t, DateTime.SECOND, l).append(' ');
|
||
|
|
// this may be in wrong place for some locales
|
||
|
|
StringBuilder tsb = new StringBuilder();
|
||
|
|
print(tsb, t, DateTime.AM_PM, l);
|
||
|
|
|
||
|
|
sb.append(toUpperCaseWithLocale(tsb.toString(), l));
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
case DateTime.DATE_TIME: { // 'c' (Sat Nov 04 12:02:33 EST 1999)
|
||
|
|
char sep = ' ';
|
||
|
|
print(sb, t, DateTime.NAME_OF_DAY_ABBREV, l).append(sep);
|
||
|
|
print(sb, t, DateTime.NAME_OF_MONTH_ABBREV, l).append(sep);
|
||
|
|
print(sb, t, DateTime.DAY_OF_MONTH_0, l).append(sep);
|
||
|
|
print(sb, t, DateTime.TIME, l).append(sep);
|
||
|
|
print(sb, t, DateTime.ZONE, l).append(sep);
|
||
|
|
print(sb, t, DateTime.YEAR_4, l);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
case DateTime.DATE: { // 'D' (mm/dd/yy)
|
||
|
|
char sep = '/';
|
||
|
|
print(sb, t, DateTime.MONTH, l).append(sep);
|
||
|
|
print(sb, t, DateTime.DAY_OF_MONTH_0, l).append(sep);
|
||
|
|
print(sb, t, DateTime.YEAR_2, l);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
case DateTime.ISO_STANDARD_DATE: { // 'F' (%Y-%m-%d)
|
||
|
|
char sep = '-';
|
||
|
|
print(sb, t, DateTime.YEAR_4, l).append(sep);
|
||
|
|
print(sb, t, DateTime.MONTH, l).append(sep);
|
||
|
|
print(sb, t, DateTime.DAY_OF_MONTH_0, l);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
default:
|
||
|
|
assert false;
|
||
|
|
}
|
||
|
|
return sb;
|
||
|
|
}
|
||
|
|
|
||
|
|
private void print(TemporalAccessor t, char c, Locale l) throws IOException {
|
||
|
|
StringBuilder sb = new StringBuilder();
|
||
|
|
print(sb, t, c, l);
|
||
|
|
// justify based on width
|
||
|
|
if (f.contains(Flags.UPPERCASE)) {
|
||
|
|
appendJustified(a, toUpperCaseWithLocale(sb.toString(), l));
|
||
|
|
} else {
|
||
|
|
appendJustified(a, sb);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
private Appendable print(StringBuilder sb, TemporalAccessor t, char c,
|
||
|
|
Locale l) throws IOException {
|
||
|
|
if (sb == null)
|
||
|
|
sb = new StringBuilder();
|
||
|
|
try {
|
||
|
|
switch (c) {
|
||
|
|
case DateTime.HOUR_OF_DAY_0: { // 'H' (00 - 23)
|
||
|
|
int i = t.get(ChronoField.HOUR_OF_DAY);
|
||
|
|
sb.append(localizedMagnitude(null, i, Flags.ZERO_PAD, 2, l));
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
case DateTime.HOUR_OF_DAY: { // 'k' (0 - 23) -- like H
|
||
|
|
int i = t.get(ChronoField.HOUR_OF_DAY);
|
||
|
|
sb.append(localizedMagnitude(null, i, Flags.NONE, 2, l));
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
case DateTime.HOUR_0: { // 'I' (01 - 12)
|
||
|
|
int i = t.get(ChronoField.CLOCK_HOUR_OF_AMPM);
|
||
|
|
sb.append(localizedMagnitude(null, i, Flags.ZERO_PAD, 2, l));
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
case DateTime.HOUR: { // 'l' (1 - 12) -- like I
|
||
|
|
int i = t.get(ChronoField.CLOCK_HOUR_OF_AMPM);
|
||
|
|
sb.append(localizedMagnitude(null, i, Flags.NONE, 2, l));
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
case DateTime.MINUTE: { // 'M' (00 - 59)
|
||
|
|
int i = t.get(ChronoField.MINUTE_OF_HOUR);
|
||
|
|
Flags flags = Flags.ZERO_PAD;
|
||
|
|
sb.append(localizedMagnitude(null, i, flags, 2, l));
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
case DateTime.NANOSECOND: { // 'N' (000000000 - 999999999)
|
||
|
|
int i;
|
||
|
|
try {
|
||
|
|
i = t.get(ChronoField.NANO_OF_SECOND);
|
||
|
|
} catch (UnsupportedTemporalTypeException u) {
|
||
|
|
i = t.get(ChronoField.MILLI_OF_SECOND) * 1000000;
|
||
|
|
}
|
||
|
|
Flags flags = Flags.ZERO_PAD;
|
||
|
|
sb.append(localizedMagnitude(null, i, flags, 9, l));
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
case DateTime.MILLISECOND: { // 'L' (000 - 999)
|
||
|
|
int i = t.get(ChronoField.MILLI_OF_SECOND);
|
||
|
|
Flags flags = Flags.ZERO_PAD;
|
||
|
|
sb.append(localizedMagnitude(null, i, flags, 3, l));
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
case DateTime.MILLISECOND_SINCE_EPOCH: { // 'Q' (0 - 99...?)
|
||
|
|
long i = t.getLong(ChronoField.INSTANT_SECONDS) * 1000L +
|
||
|
|
t.getLong(ChronoField.MILLI_OF_SECOND);
|
||
|
|
Flags flags = Flags.NONE;
|
||
|
|
sb.append(localizedMagnitude(null, i, flags, width, l));
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
case DateTime.AM_PM: { // 'p' (am or pm)
|
||
|
|
// Calendar.AM = 0, Calendar.PM = 1, LocaleElements defines upper
|
||
|
|
String[] ampm = { "AM", "PM" };
|
||
|
|
if (l != null && l != Locale.US) {
|
||
|
|
DateFormatSymbols dfs = DateFormatSymbols.getInstance(l);
|
||
|
|
ampm = dfs.getAmPmStrings();
|
||
|
|
}
|
||
|
|
String s = ampm[t.get(ChronoField.AMPM_OF_DAY)];
|
||
|
|
sb.append(s.toLowerCase(Objects.requireNonNullElse(l,
|
||
|
|
Locale.getDefault(Locale.Category.FORMAT))));
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
case DateTime.SECONDS_SINCE_EPOCH: { // 's' (0 - 99...?)
|
||
|
|
long i = t.getLong(ChronoField.INSTANT_SECONDS);
|
||
|
|
Flags flags = Flags.NONE;
|
||
|
|
sb.append(localizedMagnitude(null, i, flags, width, l));
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
case DateTime.SECOND: { // 'S' (00 - 60 - leap second)
|
||
|
|
int i = t.get(ChronoField.SECOND_OF_MINUTE);
|
||
|
|
Flags flags = Flags.ZERO_PAD;
|
||
|
|
sb.append(localizedMagnitude(null, i, flags, 2, l));
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
case DateTime.ZONE_NUMERIC: { // 'z' ({-|+}####) - ls minus?
|
||
|
|
int i = t.get(ChronoField.OFFSET_SECONDS);
|
||
|
|
boolean neg = i < 0;
|
||
|
|
sb.append(neg ? '-' : '+');
|
||
|
|
if (neg)
|
||
|
|
i = -i;
|
||
|
|
int min = i / 60;
|
||
|
|
// combine minute and hour into a single integer
|
||
|
|
int offset = (min / 60) * 100 + (min % 60);
|
||
|
|
Flags flags = Flags.ZERO_PAD;
|
||
|
|
sb.append(localizedMagnitude(null, offset, flags, 4, l));
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
case DateTime.ZONE: { // 'Z' (symbol)
|
||
|
|
ZoneId zid = t.query(TemporalQueries.zone());
|
||
|
|
if (zid == null) {
|
||
|
|
throw new IllegalFormatConversionException(c, t.getClass());
|
||
|
|
}
|
||
|
|
if (!(zid instanceof ZoneOffset) &&
|
||
|
|
t.isSupported(ChronoField.INSTANT_SECONDS)) {
|
||
|
|
Instant instant = Instant.from(t);
|
||
|
|
sb.append(TimeZone.getTimeZone(zid.getId())
|
||
|
|
.getDisplayName(zid.getRules().isDaylightSavings(instant),
|
||
|
|
TimeZone.SHORT,
|
||
|
|
Objects.requireNonNullElse(l, Locale.US)));
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
sb.append(zid.getId());
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
// Date
|
||
|
|
case DateTime.NAME_OF_DAY_ABBREV: // 'a'
|
||
|
|
case DateTime.NAME_OF_DAY: { // 'A'
|
||
|
|
int i = t.get(ChronoField.DAY_OF_WEEK) % 7 + 1;
|
||
|
|
Locale lt = Objects.requireNonNullElse(l, Locale.US);
|
||
|
|
DateFormatSymbols dfs = DateFormatSymbols.getInstance(lt);
|
||
|
|
if (c == DateTime.NAME_OF_DAY)
|
||
|
|
sb.append(dfs.getWeekdays()[i]);
|
||
|
|
else
|
||
|
|
sb.append(dfs.getShortWeekdays()[i]);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
case DateTime.NAME_OF_MONTH_ABBREV: // 'b'
|
||
|
|
case DateTime.NAME_OF_MONTH_ABBREV_X: // 'h' -- same b
|
||
|
|
case DateTime.NAME_OF_MONTH: { // 'B'
|
||
|
|
int i = t.get(ChronoField.MONTH_OF_YEAR) - 1;
|
||
|
|
Locale lt = Objects.requireNonNullElse(l, Locale.US);
|
||
|
|
DateFormatSymbols dfs = DateFormatSymbols.getInstance(lt);
|
||
|
|
if (c == DateTime.NAME_OF_MONTH)
|
||
|
|
sb.append(dfs.getMonths()[i]);
|
||
|
|
else
|
||
|
|
sb.append(dfs.getShortMonths()[i]);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
case DateTime.CENTURY: // 'C' (00 - 99)
|
||
|
|
case DateTime.YEAR_2: // 'y' (00 - 99)
|
||
|
|
case DateTime.YEAR_4: { // 'Y' (0000 - 9999)
|
||
|
|
int i = t.get(ChronoField.YEAR_OF_ERA);
|
||
|
|
int size = 2;
|
||
|
|
switch (c) {
|
||
|
|
case DateTime.CENTURY -> i /= 100;
|
||
|
|
case DateTime.YEAR_2 -> i %= 100;
|
||
|
|
case DateTime.YEAR_4 -> size = 4;
|
||
|
|
}
|
||
|
|
Flags flags = Flags.ZERO_PAD;
|
||
|
|
sb.append(localizedMagnitude(null, i, flags, size, l));
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
case DateTime.DAY_OF_MONTH_0: // 'd' (01 - 31)
|
||
|
|
case DateTime.DAY_OF_MONTH: { // 'e' (1 - 31) -- like d
|
||
|
|
int i = t.get(ChronoField.DAY_OF_MONTH);
|
||
|
|
Flags flags = (c == DateTime.DAY_OF_MONTH_0
|
||
|
|
? Flags.ZERO_PAD
|
||
|
|
: Flags.NONE);
|
||
|
|
sb.append(localizedMagnitude(null, i, flags, 2, l));
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
case DateTime.DAY_OF_YEAR: { // 'j' (001 - 366)
|
||
|
|
int i = t.get(ChronoField.DAY_OF_YEAR);
|
||
|
|
Flags flags = Flags.ZERO_PAD;
|
||
|
|
sb.append(localizedMagnitude(null, i, flags, 3, l));
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
case DateTime.MONTH: { // 'm' (01 - 12)
|
||
|
|
int i = t.get(ChronoField.MONTH_OF_YEAR);
|
||
|
|
Flags flags = Flags.ZERO_PAD;
|
||
|
|
sb.append(localizedMagnitude(null, i, flags, 2, l));
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Composites
|
||
|
|
case DateTime.TIME: // 'T' (24 hour hh:mm:ss - %tH:%tM:%tS)
|
||
|
|
case DateTime.TIME_24_HOUR: { // 'R' (hh:mm same as %H:%M)
|
||
|
|
char sep = ':';
|
||
|
|
print(sb, t, DateTime.HOUR_OF_DAY_0, l).append(sep);
|
||
|
|
print(sb, t, DateTime.MINUTE, l);
|
||
|
|
if (c == DateTime.TIME) {
|
||
|
|
sb.append(sep);
|
||
|
|
print(sb, t, DateTime.SECOND, l);
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
case DateTime.TIME_12_HOUR: { // 'r' (hh:mm:ss [AP]M)
|
||
|
|
char sep = ':';
|
||
|
|
print(sb, t, DateTime.HOUR_0, l).append(sep);
|
||
|
|
print(sb, t, DateTime.MINUTE, l).append(sep);
|
||
|
|
print(sb, t, DateTime.SECOND, l).append(' ');
|
||
|
|
// this may be in wrong place for some locales
|
||
|
|
StringBuilder tsb = new StringBuilder();
|
||
|
|
print(tsb, t, DateTime.AM_PM, l);
|
||
|
|
sb.append(toUpperCaseWithLocale(tsb.toString(), l));
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
case DateTime.DATE_TIME: { // 'c' (Sat Nov 04 12:02:33 EST 1999)
|
||
|
|
char sep = ' ';
|
||
|
|
print(sb, t, DateTime.NAME_OF_DAY_ABBREV, l).append(sep);
|
||
|
|
print(sb, t, DateTime.NAME_OF_MONTH_ABBREV, l).append(sep);
|
||
|
|
print(sb, t, DateTime.DAY_OF_MONTH_0, l).append(sep);
|
||
|
|
print(sb, t, DateTime.TIME, l).append(sep);
|
||
|
|
print(sb, t, DateTime.ZONE, l).append(sep);
|
||
|
|
print(sb, t, DateTime.YEAR_4, l);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
case DateTime.DATE: { // 'D' (mm/dd/yy)
|
||
|
|
char sep = '/';
|
||
|
|
print(sb, t, DateTime.MONTH, l).append(sep);
|
||
|
|
print(sb, t, DateTime.DAY_OF_MONTH_0, l).append(sep);
|
||
|
|
print(sb, t, DateTime.YEAR_2, l);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
case DateTime.ISO_STANDARD_DATE: { // 'F' (%Y-%m-%d)
|
||
|
|
char sep = '-';
|
||
|
|
print(sb, t, DateTime.YEAR_4, l).append(sep);
|
||
|
|
print(sb, t, DateTime.MONTH, l).append(sep);
|
||
|
|
print(sb, t, DateTime.DAY_OF_MONTH_0, l);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
default:
|
||
|
|
assert false;
|
||
|
|
}
|
||
|
|
} catch (DateTimeException x) {
|
||
|
|
throw new IllegalFormatConversionException(c, t.getClass());
|
||
|
|
}
|
||
|
|
return sb;
|
||
|
|
}
|
||
|
|
|
||
|
|
// -- Methods to support throwing exceptions --
|
||
|
|
|
||
|
|
private void failMismatch(Flags f, char c) {
|
||
|
|
String fs = f.toString();
|
||
|
|
throw new FormatFlagsConversionMismatchException(fs, c);
|
||
|
|
}
|
||
|
|
|
||
|
|
private void failConversion(char c, Object arg) {
|
||
|
|
throw new IllegalFormatConversionException(c, arg.getClass());
|
||
|
|
}
|
||
|
|
|
||
|
|
private char getZero(Locale l) {
|
||
|
|
if ((l != null) && !l.equals(locale())) {
|
||
|
|
// Android-changed: Improve the performance by 10x http://b/197788756
|
||
|
|
// Unclear if this mapping is needed but inherited from DecimalFormatSymbols
|
||
|
|
l = LocaleData.mapInvalidAndNullLocales(l);
|
||
|
|
DecimalFormatData decimalFormatData = DecimalFormatData.getInstance(l);
|
||
|
|
return decimalFormatData.getZeroDigit();
|
||
|
|
// DecimalFormatSymbols dfs = DecimalFormatSymbols.getInstance(l);
|
||
|
|
// return dfs.getZeroDigit();
|
||
|
|
}
|
||
|
|
return zero();
|
||
|
|
}
|
||
|
|
|
||
|
|
private StringBuilder localizedMagnitude(StringBuilder sb,
|
||
|
|
long value, Flags f, int width, Locale l) {
|
||
|
|
return localizedMagnitude(sb, Long.toString(value, 10), 0, f, width, l);
|
||
|
|
}
|
||
|
|
|
||
|
|
private StringBuilder localizedMagnitude(StringBuilder sb,
|
||
|
|
CharSequence value, final int offset, Flags f, int width,
|
||
|
|
Locale l) {
|
||
|
|
if (sb == null) {
|
||
|
|
sb = new StringBuilder();
|
||
|
|
}
|
||
|
|
int begin = sb.length();
|
||
|
|
|
||
|
|
char zero = getZero(l);
|
||
|
|
|
||
|
|
// determine localized grouping separator and size
|
||
|
|
char grpSep = '\0';
|
||
|
|
int grpSize = -1;
|
||
|
|
char decSep = '\0';
|
||
|
|
|
||
|
|
int len = value.length();
|
||
|
|
int dot = len;
|
||
|
|
for (int j = offset; j < len; j++) {
|
||
|
|
if (value.charAt(j) == '.') {
|
||
|
|
dot = j;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (dot < len) {
|
||
|
|
if (l == null || l.equals(Locale.US)) {
|
||
|
|
decSep = '.';
|
||
|
|
} else {
|
||
|
|
DecimalFormatSymbols dfs = DecimalFormatSymbols.getInstance(l);
|
||
|
|
decSep = dfs.getDecimalSeparator();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (f.contains(Flags.GROUP)) {
|
||
|
|
if (l == null || l.equals(Locale.US)) {
|
||
|
|
grpSep = ',';
|
||
|
|
grpSize = 3;
|
||
|
|
} else {
|
||
|
|
DecimalFormatSymbols dfs = DecimalFormatSymbols.getInstance(l);
|
||
|
|
grpSep = dfs.getGroupingSeparator();
|
||
|
|
// Android-removed: DecimalFormat is always returned.
|
||
|
|
/*
|
||
|
|
DecimalFormat df = null;
|
||
|
|
NumberFormat nf = NumberFormat.getNumberInstance(l);
|
||
|
|
if (nf instanceof DecimalFormat) {
|
||
|
|
df = (DecimalFormat) nf;
|
||
|
|
} else {
|
||
|
|
|
||
|
|
// Use DecimalFormat constructor to obtain the instance,
|
||
|
|
// in case NumberFormat.getNumberInstance(l)
|
||
|
|
// returns instance other than DecimalFormat
|
||
|
|
LocaleProviderAdapter adapter = LocaleProviderAdapter
|
||
|
|
.getAdapter(NumberFormatProvider.class, l);
|
||
|
|
if (!(adapter instanceof ResourceBundleBasedAdapter)) {
|
||
|
|
adapter = LocaleProviderAdapter.getResourceBundleBased();
|
||
|
|
}
|
||
|
|
String[] all = adapter.getLocaleResources(l)
|
||
|
|
.getNumberPatterns();
|
||
|
|
df = new DecimalFormat(all[0], dfs);
|
||
|
|
}
|
||
|
|
*/
|
||
|
|
DecimalFormat df = (DecimalFormat) NumberFormat.getIntegerInstance(l);
|
||
|
|
grpSize = df.getGroupingSize();
|
||
|
|
|
||
|
|
if (!df.isGroupingUsed() || grpSize == 0) {
|
||
|
|
grpSep = '\0';
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// localize the digits inserting group separators as necessary
|
||
|
|
for (int j = offset; j < len; j++) {
|
||
|
|
if (j == dot) {
|
||
|
|
sb.append(decSep);
|
||
|
|
// no more group separators after the decimal separator
|
||
|
|
grpSep = '\0';
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
|
||
|
|
char c = value.charAt(j);
|
||
|
|
sb.append((char) ((c - '0') + zero));
|
||
|
|
if (grpSep != '\0' && j != dot - 1 && ((dot - j) % grpSize == 1)) {
|
||
|
|
sb.append(grpSep);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// apply zero padding
|
||
|
|
if (width != -1 && f.contains(Flags.ZERO_PAD)) {
|
||
|
|
for (int k = sb.length(); k < width; k++) {
|
||
|
|
sb.insert(begin, zero);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return sb;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Specialized localization of exponents, where the source value can only
|
||
|
|
// contain characters '0' through '9', starting at index offset, and no
|
||
|
|
// group separators is added for any locale.
|
||
|
|
private void localizedMagnitudeExp(StringBuilder sb, char[] value,
|
||
|
|
final int offset, Locale l) {
|
||
|
|
char zero = getZero(l);
|
||
|
|
|
||
|
|
int len = value.length;
|
||
|
|
for (int j = offset; j < len; j++) {
|
||
|
|
char c = value[j];
|
||
|
|
sb.append((char) ((c - '0') + zero));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
private static class Flags {
|
||
|
|
private int flags;
|
||
|
|
|
||
|
|
static final Flags NONE = new Flags(0); // ''
|
||
|
|
|
||
|
|
// duplicate declarations from Formattable.java
|
||
|
|
static final Flags LEFT_JUSTIFY = new Flags(1<<0); // '-'
|
||
|
|
static final Flags UPPERCASE = new Flags(1<<1); // '^'
|
||
|
|
static final Flags ALTERNATE = new Flags(1<<2); // '#'
|
||
|
|
|
||
|
|
// numerics
|
||
|
|
static final Flags PLUS = new Flags(1<<3); // '+'
|
||
|
|
static final Flags LEADING_SPACE = new Flags(1<<4); // ' '
|
||
|
|
static final Flags ZERO_PAD = new Flags(1<<5); // '0'
|
||
|
|
static final Flags GROUP = new Flags(1<<6); // ','
|
||
|
|
static final Flags PARENTHESES = new Flags(1<<7); // '('
|
||
|
|
|
||
|
|
// indexing
|
||
|
|
static final Flags PREVIOUS = new Flags(1<<8); // '<'
|
||
|
|
|
||
|
|
private Flags(int f) {
|
||
|
|
flags = f;
|
||
|
|
}
|
||
|
|
|
||
|
|
public int valueOf() {
|
||
|
|
return flags;
|
||
|
|
}
|
||
|
|
|
||
|
|
public boolean contains(Flags f) {
|
||
|
|
return (flags & f.valueOf()) == f.valueOf();
|
||
|
|
}
|
||
|
|
|
||
|
|
public Flags dup() {
|
||
|
|
return new Flags(flags);
|
||
|
|
}
|
||
|
|
|
||
|
|
private Flags add(Flags f) {
|
||
|
|
flags |= f.valueOf();
|
||
|
|
return this;
|
||
|
|
}
|
||
|
|
|
||
|
|
public Flags remove(Flags f) {
|
||
|
|
flags &= ~f.valueOf();
|
||
|
|
return this;
|
||
|
|
}
|
||
|
|
|
||
|
|
public static Flags parse(String s, int start, int end) {
|
||
|
|
Flags f = new Flags(0);
|
||
|
|
for (int i = start; i < end; i++) {
|
||
|
|
char c = s.charAt(i);
|
||
|
|
Flags v = parse(c);
|
||
|
|
if (f.contains(v))
|
||
|
|
throw new DuplicateFormatFlagsException(v.toString());
|
||
|
|
f.add(v);
|
||
|
|
}
|
||
|
|
return f;
|
||
|
|
}
|
||
|
|
|
||
|
|
// parse those flags which may be provided by users
|
||
|
|
private static Flags parse(char c) {
|
||
|
|
return switch (c) {
|
||
|
|
case '-' -> LEFT_JUSTIFY;
|
||
|
|
case '#' -> ALTERNATE;
|
||
|
|
case '+' -> PLUS;
|
||
|
|
case ' ' -> LEADING_SPACE;
|
||
|
|
case '0' -> ZERO_PAD;
|
||
|
|
case ',' -> GROUP;
|
||
|
|
case '(' -> PARENTHESES;
|
||
|
|
case '<' -> PREVIOUS;
|
||
|
|
default -> throw new UnknownFormatFlagsException(String.valueOf(c));
|
||
|
|
};
|
||
|
|
}
|
||
|
|
|
||
|
|
// Returns a string representation of the current {@code Flags}.
|
||
|
|
public static String toString(Flags f) {
|
||
|
|
return f.toString();
|
||
|
|
}
|
||
|
|
|
||
|
|
public String toString() {
|
||
|
|
StringBuilder sb = new StringBuilder();
|
||
|
|
if (contains(LEFT_JUSTIFY)) sb.append('-');
|
||
|
|
if (contains(UPPERCASE)) sb.append('^');
|
||
|
|
if (contains(ALTERNATE)) sb.append('#');
|
||
|
|
if (contains(PLUS)) sb.append('+');
|
||
|
|
if (contains(LEADING_SPACE)) sb.append(' ');
|
||
|
|
if (contains(ZERO_PAD)) sb.append('0');
|
||
|
|
if (contains(GROUP)) sb.append(',');
|
||
|
|
if (contains(PARENTHESES)) sb.append('(');
|
||
|
|
if (contains(PREVIOUS)) sb.append('<');
|
||
|
|
return sb.toString();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
private static class Conversion {
|
||
|
|
// Byte, Short, Integer, Long, BigInteger
|
||
|
|
// (and associated primitives due to autoboxing)
|
||
|
|
static final char DECIMAL_INTEGER = 'd';
|
||
|
|
static final char OCTAL_INTEGER = 'o';
|
||
|
|
static final char HEXADECIMAL_INTEGER = 'x';
|
||
|
|
static final char HEXADECIMAL_INTEGER_UPPER = 'X';
|
||
|
|
|
||
|
|
// Float, Double, BigDecimal
|
||
|
|
// (and associated primitives due to autoboxing)
|
||
|
|
static final char SCIENTIFIC = 'e';
|
||
|
|
static final char SCIENTIFIC_UPPER = 'E';
|
||
|
|
static final char GENERAL = 'g';
|
||
|
|
static final char GENERAL_UPPER = 'G';
|
||
|
|
static final char DECIMAL_FLOAT = 'f';
|
||
|
|
static final char HEXADECIMAL_FLOAT = 'a';
|
||
|
|
static final char HEXADECIMAL_FLOAT_UPPER = 'A';
|
||
|
|
|
||
|
|
// Character, Byte, Short, Integer
|
||
|
|
// (and associated primitives due to autoboxing)
|
||
|
|
static final char CHARACTER = 'c';
|
||
|
|
static final char CHARACTER_UPPER = 'C';
|
||
|
|
|
||
|
|
// java.util.Date, java.util.Calendar, long
|
||
|
|
static final char DATE_TIME = 't';
|
||
|
|
static final char DATE_TIME_UPPER = 'T';
|
||
|
|
|
||
|
|
// if (arg.TYPE != boolean) return boolean
|
||
|
|
// if (arg != null) return true; else return false;
|
||
|
|
static final char BOOLEAN = 'b';
|
||
|
|
static final char BOOLEAN_UPPER = 'B';
|
||
|
|
// if (arg instanceof Formattable) arg.formatTo()
|
||
|
|
// else arg.toString();
|
||
|
|
static final char STRING = 's';
|
||
|
|
static final char STRING_UPPER = 'S';
|
||
|
|
// arg.hashCode()
|
||
|
|
static final char HASHCODE = 'h';
|
||
|
|
static final char HASHCODE_UPPER = 'H';
|
||
|
|
|
||
|
|
static final char LINE_SEPARATOR = 'n';
|
||
|
|
static final char PERCENT_SIGN = '%';
|
||
|
|
|
||
|
|
static boolean isValid(char c) {
|
||
|
|
return switch (c) {
|
||
|
|
case BOOLEAN,
|
||
|
|
BOOLEAN_UPPER,
|
||
|
|
STRING,
|
||
|
|
STRING_UPPER,
|
||
|
|
HASHCODE,
|
||
|
|
HASHCODE_UPPER,
|
||
|
|
CHARACTER,
|
||
|
|
CHARACTER_UPPER,
|
||
|
|
DECIMAL_INTEGER,
|
||
|
|
OCTAL_INTEGER,
|
||
|
|
HEXADECIMAL_INTEGER,
|
||
|
|
HEXADECIMAL_INTEGER_UPPER,
|
||
|
|
SCIENTIFIC,
|
||
|
|
SCIENTIFIC_UPPER,
|
||
|
|
GENERAL,
|
||
|
|
GENERAL_UPPER,
|
||
|
|
DECIMAL_FLOAT,
|
||
|
|
HEXADECIMAL_FLOAT,
|
||
|
|
HEXADECIMAL_FLOAT_UPPER,
|
||
|
|
LINE_SEPARATOR,
|
||
|
|
PERCENT_SIGN -> true;
|
||
|
|
default -> false;
|
||
|
|
};
|
||
|
|
}
|
||
|
|
|
||
|
|
// Returns true iff the Conversion is applicable to all objects.
|
||
|
|
static boolean isGeneral(char c) {
|
||
|
|
return switch (c) {
|
||
|
|
case BOOLEAN,
|
||
|
|
BOOLEAN_UPPER,
|
||
|
|
STRING,
|
||
|
|
STRING_UPPER,
|
||
|
|
HASHCODE,
|
||
|
|
HASHCODE_UPPER -> true;
|
||
|
|
default -> false;
|
||
|
|
};
|
||
|
|
}
|
||
|
|
|
||
|
|
// Returns true iff the Conversion is applicable to character.
|
||
|
|
static boolean isCharacter(char c) {
|
||
|
|
return switch (c) {
|
||
|
|
case CHARACTER,
|
||
|
|
CHARACTER_UPPER -> true;
|
||
|
|
default -> false;
|
||
|
|
};
|
||
|
|
}
|
||
|
|
|
||
|
|
// Returns true iff the Conversion is an integer type.
|
||
|
|
static boolean isInteger(char c) {
|
||
|
|
return switch (c) {
|
||
|
|
case DECIMAL_INTEGER,
|
||
|
|
OCTAL_INTEGER,
|
||
|
|
HEXADECIMAL_INTEGER,
|
||
|
|
HEXADECIMAL_INTEGER_UPPER -> true;
|
||
|
|
default -> false;
|
||
|
|
};
|
||
|
|
}
|
||
|
|
|
||
|
|
// Returns true iff the Conversion is a floating-point type.
|
||
|
|
static boolean isFloat(char c) {
|
||
|
|
return switch (c) {
|
||
|
|
case SCIENTIFIC,
|
||
|
|
SCIENTIFIC_UPPER,
|
||
|
|
GENERAL,
|
||
|
|
GENERAL_UPPER,
|
||
|
|
DECIMAL_FLOAT,
|
||
|
|
HEXADECIMAL_FLOAT,
|
||
|
|
HEXADECIMAL_FLOAT_UPPER -> true;
|
||
|
|
default -> false;
|
||
|
|
};
|
||
|
|
}
|
||
|
|
|
||
|
|
// Returns true iff the Conversion does not require an argument
|
||
|
|
static boolean isText(char c) {
|
||
|
|
return switch (c) {
|
||
|
|
case LINE_SEPARATOR, PERCENT_SIGN -> true;
|
||
|
|
default -> false;
|
||
|
|
};
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
private static class DateTime {
|
||
|
|
static final char HOUR_OF_DAY_0 = 'H'; // (00 - 23)
|
||
|
|
static final char HOUR_0 = 'I'; // (01 - 12)
|
||
|
|
static final char HOUR_OF_DAY = 'k'; // (0 - 23) -- like H
|
||
|
|
static final char HOUR = 'l'; // (1 - 12) -- like I
|
||
|
|
static final char MINUTE = 'M'; // (00 - 59)
|
||
|
|
static final char NANOSECOND = 'N'; // (000000000 - 999999999)
|
||
|
|
static final char MILLISECOND = 'L'; // jdk, not in gnu (000 - 999)
|
||
|
|
static final char MILLISECOND_SINCE_EPOCH = 'Q'; // (0 - 99...?)
|
||
|
|
static final char AM_PM = 'p'; // (am or pm)
|
||
|
|
static final char SECONDS_SINCE_EPOCH = 's'; // (0 - 99...?)
|
||
|
|
static final char SECOND = 'S'; // (00 - 60 - leap second)
|
||
|
|
static final char TIME = 'T'; // (24 hour hh:mm:ss)
|
||
|
|
static final char ZONE_NUMERIC = 'z'; // (-1200 - +1200) - ls minus?
|
||
|
|
static final char ZONE = 'Z'; // (symbol)
|
||
|
|
|
||
|
|
// Date
|
||
|
|
static final char NAME_OF_DAY_ABBREV = 'a'; // 'a'
|
||
|
|
static final char NAME_OF_DAY = 'A'; // 'A'
|
||
|
|
static final char NAME_OF_MONTH_ABBREV = 'b'; // 'b'
|
||
|
|
static final char NAME_OF_MONTH = 'B'; // 'B'
|
||
|
|
static final char CENTURY = 'C'; // (00 - 99)
|
||
|
|
static final char DAY_OF_MONTH_0 = 'd'; // (01 - 31)
|
||
|
|
static final char DAY_OF_MONTH = 'e'; // (1 - 31) -- like d
|
||
|
|
static final char NAME_OF_MONTH_ABBREV_X = 'h'; // -- same b
|
||
|
|
static final char DAY_OF_YEAR = 'j'; // (001 - 366)
|
||
|
|
static final char MONTH = 'm'; // (01 - 12)
|
||
|
|
static final char YEAR_2 = 'y'; // (00 - 99)
|
||
|
|
static final char YEAR_4 = 'Y'; // (0000 - 9999)
|
||
|
|
|
||
|
|
// Composites
|
||
|
|
static final char TIME_12_HOUR = 'r'; // (hh:mm:ss [AP]M)
|
||
|
|
static final char TIME_24_HOUR = 'R'; // (hh:mm same as %H:%M)
|
||
|
|
static final char DATE_TIME = 'c';
|
||
|
|
// (Sat Nov 04 12:02:33 EST 1999)
|
||
|
|
static final char DATE = 'D'; // (mm/dd/yy)
|
||
|
|
static final char ISO_STANDARD_DATE = 'F'; // (%Y-%m-%d)
|
||
|
|
|
||
|
|
static boolean isValid(char c) {
|
||
|
|
return switch (c) {
|
||
|
|
case HOUR_OF_DAY_0, HOUR_0, HOUR_OF_DAY, HOUR, MINUTE, NANOSECOND, MILLISECOND, MILLISECOND_SINCE_EPOCH,
|
||
|
|
AM_PM, SECONDS_SINCE_EPOCH, SECOND, TIME, ZONE_NUMERIC, ZONE -> true;
|
||
|
|
// Date
|
||
|
|
case NAME_OF_DAY_ABBREV, NAME_OF_DAY, NAME_OF_MONTH_ABBREV, NAME_OF_MONTH, CENTURY, DAY_OF_MONTH_0,
|
||
|
|
DAY_OF_MONTH, NAME_OF_MONTH_ABBREV_X, DAY_OF_YEAR, MONTH, YEAR_2, YEAR_4 -> true;
|
||
|
|
// Composites
|
||
|
|
case TIME_12_HOUR, TIME_24_HOUR, DATE_TIME, DATE, ISO_STANDARD_DATE -> true;
|
||
|
|
default -> false;
|
||
|
|
};
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|