616 lines
24 KiB
Java
616 lines
24 KiB
Java
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/*
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* Copyright (c) 2012, 2015, 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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/*
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* This file is available under and governed by the GNU General Public
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* License version 2 only, as published by the Free Software Foundation.
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* However, the following notice accompanied the original version of this
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* file:
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*
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* Copyright (c) 2007-2012, Stephen Colebourne & Michael Nascimento Santos
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*
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* * Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* * Neither the name of JSR-310 nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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package java.time;
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import static java.time.temporal.ChronoField.MONTH_OF_YEAR;
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import static java.time.temporal.ChronoUnit.MONTHS;
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import java.time.chrono.Chronology;
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import java.time.chrono.IsoChronology;
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import java.time.format.DateTimeFormatterBuilder;
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import java.time.format.TextStyle;
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import java.time.temporal.ChronoField;
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import java.time.temporal.Temporal;
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import java.time.temporal.TemporalAccessor;
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import java.time.temporal.TemporalAdjuster;
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import java.time.temporal.TemporalField;
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import java.time.temporal.TemporalQueries;
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import java.time.temporal.TemporalQuery;
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import java.time.temporal.UnsupportedTemporalTypeException;
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import java.time.temporal.ValueRange;
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import java.util.Locale;
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/**
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* A month-of-year, such as 'July'.
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* <p>
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* {@code Month} is an enum representing the 12 months of the year -
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* January, February, March, April, May, June, July, August, September, October,
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* November and December.
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* <p>
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* In addition to the textual enum name, each month-of-year has an {@code int} value.
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* The {@code int} value follows normal usage and the ISO-8601 standard,
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* from 1 (January) to 12 (December). It is recommended that applications use the enum
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* rather than the {@code int} value to ensure code clarity.
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* <p>
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* <b>Do not use {@code ordinal()} to obtain the numeric representation of {@code Month}.
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* Use {@code getValue()} instead.</b>
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* <p>
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* This enum represents a common concept that is found in many calendar systems.
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* As such, this enum may be used by any calendar system that has the month-of-year
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* concept defined exactly equivalent to the ISO-8601 calendar system.
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*
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* @implSpec
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* This is an immutable and thread-safe enum.
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*
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* @since 1.8
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*/
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public enum Month implements TemporalAccessor, TemporalAdjuster {
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/**
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* The singleton instance for the month of January with 31 days.
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* This has the numeric value of {@code 1}.
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*/
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JANUARY,
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/**
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* The singleton instance for the month of February with 28 days, or 29 in a leap year.
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* This has the numeric value of {@code 2}.
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*/
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FEBRUARY,
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/**
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* The singleton instance for the month of March with 31 days.
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* This has the numeric value of {@code 3}.
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*/
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MARCH,
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/**
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* The singleton instance for the month of April with 30 days.
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* This has the numeric value of {@code 4}.
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*/
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APRIL,
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/**
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* The singleton instance for the month of May with 31 days.
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* This has the numeric value of {@code 5}.
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*/
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MAY,
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/**
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* The singleton instance for the month of June with 30 days.
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* This has the numeric value of {@code 6}.
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*/
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JUNE,
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/**
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* The singleton instance for the month of July with 31 days.
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* This has the numeric value of {@code 7}.
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*/
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JULY,
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/**
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* The singleton instance for the month of August with 31 days.
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* This has the numeric value of {@code 8}.
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*/
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AUGUST,
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/**
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* The singleton instance for the month of September with 30 days.
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* This has the numeric value of {@code 9}.
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*/
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SEPTEMBER,
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/**
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* The singleton instance for the month of October with 31 days.
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* This has the numeric value of {@code 10}.
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*/
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OCTOBER,
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/**
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* The singleton instance for the month of November with 30 days.
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* This has the numeric value of {@code 11}.
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*/
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NOVEMBER,
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/**
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* The singleton instance for the month of December with 31 days.
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* This has the numeric value of {@code 12}.
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*/
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DECEMBER;
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/**
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* Private cache of all the constants.
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*/
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private static final Month[] ENUMS = Month.values();
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//-----------------------------------------------------------------------
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/**
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* Obtains an instance of {@code Month} from an {@code int} value.
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* <p>
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* {@code Month} is an enum representing the 12 months of the year.
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* This factory allows the enum to be obtained from the {@code int} value.
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* The {@code int} value follows the ISO-8601 standard, from 1 (January) to 12 (December).
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*
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* @param month the month-of-year to represent, from 1 (January) to 12 (December)
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* @return the month-of-year, not null
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* @throws DateTimeException if the month-of-year is invalid
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*/
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public static Month of(int month) {
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if (month < 1 || month > 12) {
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throw new DateTimeException("Invalid value for MonthOfYear: " + month);
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}
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return ENUMS[month - 1];
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}
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//-----------------------------------------------------------------------
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/**
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* Obtains an instance of {@code Month} from a temporal object.
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* <p>
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* This obtains a month based on the specified temporal.
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* A {@code TemporalAccessor} represents an arbitrary set of date and time information,
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* which this factory converts to an instance of {@code Month}.
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* <p>
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* The conversion extracts the {@link ChronoField#MONTH_OF_YEAR MONTH_OF_YEAR} field.
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* The extraction is only permitted if the temporal object has an ISO
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* chronology, or can be converted to a {@code LocalDate}.
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* <p>
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* This method matches the signature of the functional interface {@link TemporalQuery}
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* allowing it to be used as a query via method reference, {@code Month::from}.
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*
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* @param temporal the temporal object to convert, not null
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* @return the month-of-year, not null
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* @throws DateTimeException if unable to convert to a {@code Month}
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*/
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public static Month from(TemporalAccessor temporal) {
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if (temporal instanceof Month) {
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return (Month) temporal;
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}
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try {
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if (IsoChronology.INSTANCE.equals(Chronology.from(temporal)) == false) {
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temporal = LocalDate.from(temporal);
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}
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return of(temporal.get(MONTH_OF_YEAR));
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} catch (DateTimeException ex) {
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throw new DateTimeException("Unable to obtain Month from TemporalAccessor: " +
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temporal + " of type " + temporal.getClass().getName(), ex);
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}
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}
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//-----------------------------------------------------------------------
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/**
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* Gets the month-of-year {@code int} value.
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* <p>
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* The values are numbered following the ISO-8601 standard,
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* from 1 (January) to 12 (December).
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*
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* @return the month-of-year, from 1 (January) to 12 (December)
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*/
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public int getValue() {
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return ordinal() + 1;
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}
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//-----------------------------------------------------------------------
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/**
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* Gets the textual representation, such as 'Jan' or 'December'.
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* <p>
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* This returns the textual name used to identify the month-of-year,
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* suitable for presentation to the user.
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* The parameters control the style of the returned text and the locale.
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* <p>
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* If no textual mapping is found then the {@link #getValue() numeric value} is returned.
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*
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* @param style the length of the text required, not null
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* @param locale the locale to use, not null
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* @return the text value of the month-of-year, not null
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*/
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public String getDisplayName(TextStyle style, Locale locale) {
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return new DateTimeFormatterBuilder().appendText(MONTH_OF_YEAR, style).toFormatter(locale).format(this);
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}
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//-----------------------------------------------------------------------
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/**
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* Checks if the specified field is supported.
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* <p>
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* This checks if this month-of-year can be queried for the specified field.
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* If false, then calling the {@link #range(TemporalField) range} and
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* {@link #get(TemporalField) get} methods will throw an exception.
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* <p>
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* If the field is {@link ChronoField#MONTH_OF_YEAR MONTH_OF_YEAR} then
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* this method returns true.
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* All other {@code ChronoField} instances will return false.
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* <p>
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* If the field is not a {@code ChronoField}, then the result of this method
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* is obtained by invoking {@code TemporalField.isSupportedBy(TemporalAccessor)}
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* passing {@code this} as the argument.
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* Whether the field is supported is determined by the field.
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*
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* @param field the field to check, null returns false
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* @return true if the field is supported on this month-of-year, false if not
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*/
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@Override
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public boolean isSupported(TemporalField field) {
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if (field instanceof ChronoField) {
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return field == MONTH_OF_YEAR;
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}
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return field != null && field.isSupportedBy(this);
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}
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/**
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* Gets the range of valid values for the specified field.
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* <p>
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* The range object expresses the minimum and maximum valid values for a field.
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* This month is used to enhance the accuracy of the returned range.
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* If it is not possible to return the range, because the field is not supported
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* or for some other reason, an exception is thrown.
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* <p>
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* If the field is {@link ChronoField#MONTH_OF_YEAR MONTH_OF_YEAR} then the
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* range of the month-of-year, from 1 to 12, will be returned.
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* All other {@code ChronoField} instances will throw an {@code UnsupportedTemporalTypeException}.
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* <p>
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* If the field is not a {@code ChronoField}, then the result of this method
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* is obtained by invoking {@code TemporalField.rangeRefinedBy(TemporalAccessor)}
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* passing {@code this} as the argument.
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* Whether the range can be obtained is determined by the field.
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*
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* @param field the field to query the range for, not null
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* @return the range of valid values for the field, not null
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* @throws DateTimeException if the range for the field cannot be obtained
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* @throws UnsupportedTemporalTypeException if the field is not supported
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*/
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@Override
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public ValueRange range(TemporalField field) {
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if (field == MONTH_OF_YEAR) {
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return field.range();
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}
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return TemporalAccessor.super.range(field);
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}
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/**
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* Gets the value of the specified field from this month-of-year as an {@code int}.
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* <p>
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* This queries this month for the value of the specified field.
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* The returned value will always be within the valid range of values for the field.
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* If it is not possible to return the value, because the field is not supported
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* or for some other reason, an exception is thrown.
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* <p>
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* If the field is {@link ChronoField#MONTH_OF_YEAR MONTH_OF_YEAR} then the
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* value of the month-of-year, from 1 to 12, will be returned.
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* All other {@code ChronoField} instances will throw an {@code UnsupportedTemporalTypeException}.
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* <p>
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* If the field is not a {@code ChronoField}, then the result of this method
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* is obtained by invoking {@code TemporalField.getFrom(TemporalAccessor)}
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* passing {@code this} as the argument. Whether the value can be obtained,
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* and what the value represents, is determined by the field.
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*
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* @param field the field to get, not null
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* @return the value for the field, within the valid range of values
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* @throws DateTimeException if a value for the field cannot be obtained or
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* the value is outside the range of valid values for the field
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* @throws UnsupportedTemporalTypeException if the field is not supported or
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* the range of values exceeds an {@code int}
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* @throws ArithmeticException if numeric overflow occurs
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*/
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@Override
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public int get(TemporalField field) {
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if (field == MONTH_OF_YEAR) {
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return getValue();
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}
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return TemporalAccessor.super.get(field);
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}
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/**
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* Gets the value of the specified field from this month-of-year as a {@code long}.
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* <p>
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* This queries this month for the value of the specified field.
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* If it is not possible to return the value, because the field is not supported
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|
|
* or for some other reason, an exception is thrown.
|
||
|
|
* <p>
|
||
|
|
* If the field is {@link ChronoField#MONTH_OF_YEAR MONTH_OF_YEAR} then the
|
||
|
|
* value of the month-of-year, from 1 to 12, will be returned.
|
||
|
|
* All other {@code ChronoField} instances will throw an {@code UnsupportedTemporalTypeException}.
|
||
|
|
* <p>
|
||
|
|
* If the field is not a {@code ChronoField}, then the result of this method
|
||
|
|
* is obtained by invoking {@code TemporalField.getFrom(TemporalAccessor)}
|
||
|
|
* passing {@code this} as the argument. Whether the value can be obtained,
|
||
|
|
* and what the value represents, is determined by the field.
|
||
|
|
*
|
||
|
|
* @param field the field to get, not null
|
||
|
|
* @return the value for the field
|
||
|
|
* @throws DateTimeException if a value for the field cannot be obtained
|
||
|
|
* @throws UnsupportedTemporalTypeException if the field is not supported
|
||
|
|
* @throws ArithmeticException if numeric overflow occurs
|
||
|
|
*/
|
||
|
|
@Override
|
||
|
|
public long getLong(TemporalField field) {
|
||
|
|
if (field == MONTH_OF_YEAR) {
|
||
|
|
return getValue();
|
||
|
|
} else if (field instanceof ChronoField) {
|
||
|
|
throw new UnsupportedTemporalTypeException("Unsupported field: " + field);
|
||
|
|
}
|
||
|
|
return field.getFrom(this);
|
||
|
|
}
|
||
|
|
|
||
|
|
//-----------------------------------------------------------------------
|
||
|
|
/**
|
||
|
|
* Returns the month-of-year that is the specified number of months after this one.
|
||
|
|
* <p>
|
||
|
|
* The calculation rolls around the end of the year from December to January.
|
||
|
|
* The specified period may be negative.
|
||
|
|
* <p>
|
||
|
|
* This instance is immutable and unaffected by this method call.
|
||
|
|
*
|
||
|
|
* @param months the months to add, positive or negative
|
||
|
|
* @return the resulting month, not null
|
||
|
|
*/
|
||
|
|
public Month plus(long months) {
|
||
|
|
int amount = (int) (months % 12);
|
||
|
|
return ENUMS[(ordinal() + (amount + 12)) % 12];
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Returns the month-of-year that is the specified number of months before this one.
|
||
|
|
* <p>
|
||
|
|
* The calculation rolls around the start of the year from January to December.
|
||
|
|
* The specified period may be negative.
|
||
|
|
* <p>
|
||
|
|
* This instance is immutable and unaffected by this method call.
|
||
|
|
*
|
||
|
|
* @param months the months to subtract, positive or negative
|
||
|
|
* @return the resulting month, not null
|
||
|
|
*/
|
||
|
|
public Month minus(long months) {
|
||
|
|
return plus(-(months % 12));
|
||
|
|
}
|
||
|
|
|
||
|
|
//-----------------------------------------------------------------------
|
||
|
|
/**
|
||
|
|
* Gets the length of this month in days.
|
||
|
|
* <p>
|
||
|
|
* This takes a flag to determine whether to return the length for a leap year or not.
|
||
|
|
* <p>
|
||
|
|
* February has 28 days in a standard year and 29 days in a leap year.
|
||
|
|
* April, June, September and November have 30 days.
|
||
|
|
* All other months have 31 days.
|
||
|
|
*
|
||
|
|
* @param leapYear true if the length is required for a leap year
|
||
|
|
* @return the length of this month in days, from 28 to 31
|
||
|
|
*/
|
||
|
|
public int length(boolean leapYear) {
|
||
|
|
switch (this) {
|
||
|
|
case FEBRUARY:
|
||
|
|
return (leapYear ? 29 : 28);
|
||
|
|
case APRIL:
|
||
|
|
case JUNE:
|
||
|
|
case SEPTEMBER:
|
||
|
|
case NOVEMBER:
|
||
|
|
return 30;
|
||
|
|
default:
|
||
|
|
return 31;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Gets the minimum length of this month in days.
|
||
|
|
* <p>
|
||
|
|
* February has a minimum length of 28 days.
|
||
|
|
* April, June, September and November have 30 days.
|
||
|
|
* All other months have 31 days.
|
||
|
|
*
|
||
|
|
* @return the minimum length of this month in days, from 28 to 31
|
||
|
|
*/
|
||
|
|
public int minLength() {
|
||
|
|
switch (this) {
|
||
|
|
case FEBRUARY:
|
||
|
|
return 28;
|
||
|
|
case APRIL:
|
||
|
|
case JUNE:
|
||
|
|
case SEPTEMBER:
|
||
|
|
case NOVEMBER:
|
||
|
|
return 30;
|
||
|
|
default:
|
||
|
|
return 31;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Gets the maximum length of this month in days.
|
||
|
|
* <p>
|
||
|
|
* February has a maximum length of 29 days.
|
||
|
|
* April, June, September and November have 30 days.
|
||
|
|
* All other months have 31 days.
|
||
|
|
*
|
||
|
|
* @return the maximum length of this month in days, from 29 to 31
|
||
|
|
*/
|
||
|
|
public int maxLength() {
|
||
|
|
switch (this) {
|
||
|
|
case FEBRUARY:
|
||
|
|
return 29;
|
||
|
|
case APRIL:
|
||
|
|
case JUNE:
|
||
|
|
case SEPTEMBER:
|
||
|
|
case NOVEMBER:
|
||
|
|
return 30;
|
||
|
|
default:
|
||
|
|
return 31;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
//-----------------------------------------------------------------------
|
||
|
|
/**
|
||
|
|
* Gets the day-of-year corresponding to the first day of this month.
|
||
|
|
* <p>
|
||
|
|
* This returns the day-of-year that this month begins on, using the leap
|
||
|
|
* year flag to determine the length of February.
|
||
|
|
*
|
||
|
|
* @param leapYear true if the length is required for a leap year
|
||
|
|
* @return the day of year corresponding to the first day of this month, from 1 to 336
|
||
|
|
*/
|
||
|
|
public int firstDayOfYear(boolean leapYear) {
|
||
|
|
int leap = leapYear ? 1 : 0;
|
||
|
|
switch (this) {
|
||
|
|
case JANUARY:
|
||
|
|
return 1;
|
||
|
|
case FEBRUARY:
|
||
|
|
return 32;
|
||
|
|
case MARCH:
|
||
|
|
return 60 + leap;
|
||
|
|
case APRIL:
|
||
|
|
return 91 + leap;
|
||
|
|
case MAY:
|
||
|
|
return 121 + leap;
|
||
|
|
case JUNE:
|
||
|
|
return 152 + leap;
|
||
|
|
case JULY:
|
||
|
|
return 182 + leap;
|
||
|
|
case AUGUST:
|
||
|
|
return 213 + leap;
|
||
|
|
case SEPTEMBER:
|
||
|
|
return 244 + leap;
|
||
|
|
case OCTOBER:
|
||
|
|
return 274 + leap;
|
||
|
|
case NOVEMBER:
|
||
|
|
return 305 + leap;
|
||
|
|
case DECEMBER:
|
||
|
|
default:
|
||
|
|
return 335 + leap;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Gets the month corresponding to the first month of this quarter.
|
||
|
|
* <p>
|
||
|
|
* The year can be divided into four quarters.
|
||
|
|
* This method returns the first month of the quarter for the base month.
|
||
|
|
* January, February and March return January.
|
||
|
|
* April, May and June return April.
|
||
|
|
* July, August and September return July.
|
||
|
|
* October, November and December return October.
|
||
|
|
*
|
||
|
|
* @return the first month of the quarter corresponding to this month, not null
|
||
|
|
*/
|
||
|
|
public Month firstMonthOfQuarter() {
|
||
|
|
return ENUMS[(ordinal() / 3) * 3];
|
||
|
|
}
|
||
|
|
|
||
|
|
//-----------------------------------------------------------------------
|
||
|
|
/**
|
||
|
|
* Queries this month-of-year using the specified query.
|
||
|
|
* <p>
|
||
|
|
* This queries this month-of-year using the specified query strategy object.
|
||
|
|
* The {@code TemporalQuery} object defines the logic to be used to
|
||
|
|
* obtain the result. Read the documentation of the query to understand
|
||
|
|
* what the result of this method will be.
|
||
|
|
* <p>
|
||
|
|
* The result of this method is obtained by invoking the
|
||
|
|
* {@link TemporalQuery#queryFrom(TemporalAccessor)} method on the
|
||
|
|
* specified query passing {@code this} as the argument.
|
||
|
|
*
|
||
|
|
* @param <R> the type of the result
|
||
|
|
* @param query the query to invoke, not null
|
||
|
|
* @return the query result, null may be returned (defined by the query)
|
||
|
|
* @throws DateTimeException if unable to query (defined by the query)
|
||
|
|
* @throws ArithmeticException if numeric overflow occurs (defined by the query)
|
||
|
|
*/
|
||
|
|
@SuppressWarnings("unchecked")
|
||
|
|
@Override
|
||
|
|
public <R> R query(TemporalQuery<R> query) {
|
||
|
|
if (query == TemporalQueries.chronology()) {
|
||
|
|
return (R) IsoChronology.INSTANCE;
|
||
|
|
} else if (query == TemporalQueries.precision()) {
|
||
|
|
return (R) MONTHS;
|
||
|
|
}
|
||
|
|
return TemporalAccessor.super.query(query);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Adjusts the specified temporal object to have this month-of-year.
|
||
|
|
* <p>
|
||
|
|
* This returns a temporal object of the same observable type as the input
|
||
|
|
* with the month-of-year changed to be the same as this.
|
||
|
|
* <p>
|
||
|
|
* The adjustment is equivalent to using {@link Temporal#with(TemporalField, long)}
|
||
|
|
* passing {@link ChronoField#MONTH_OF_YEAR} as the field.
|
||
|
|
* If the specified temporal object does not use the ISO calendar system then
|
||
|
|
* a {@code DateTimeException} is thrown.
|
||
|
|
* <p>
|
||
|
|
* In most cases, it is clearer to reverse the calling pattern by using
|
||
|
|
* {@link Temporal#with(TemporalAdjuster)}:
|
||
|
|
* <pre>
|
||
|
|
* // these two lines are equivalent, but the second approach is recommended
|
||
|
|
* temporal = thisMonth.adjustInto(temporal);
|
||
|
|
* temporal = temporal.with(thisMonth);
|
||
|
|
* </pre>
|
||
|
|
* <p>
|
||
|
|
* For example, given a date in May, the following are output:
|
||
|
|
* <pre>
|
||
|
|
* dateInMay.with(JANUARY); // four months earlier
|
||
|
|
* dateInMay.with(APRIL); // one months earlier
|
||
|
|
* dateInMay.with(MAY); // same date
|
||
|
|
* dateInMay.with(JUNE); // one month later
|
||
|
|
* dateInMay.with(DECEMBER); // seven months later
|
||
|
|
* </pre>
|
||
|
|
* <p>
|
||
|
|
* This instance is immutable and unaffected by this method call.
|
||
|
|
*
|
||
|
|
* @param temporal the target object to be adjusted, not null
|
||
|
|
* @return the adjusted object, not null
|
||
|
|
* @throws DateTimeException if unable to make the adjustment
|
||
|
|
* @throws ArithmeticException if numeric overflow occurs
|
||
|
|
*/
|
||
|
|
@Override
|
||
|
|
public Temporal adjustInto(Temporal temporal) {
|
||
|
|
if (Chronology.from(temporal).equals(IsoChronology.INSTANCE) == false) {
|
||
|
|
throw new DateTimeException("Adjustment only supported on ISO date-time");
|
||
|
|
}
|
||
|
|
return temporal.with(MONTH_OF_YEAR, getValue());
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|