81 lines
2.9 KiB
Java
81 lines
2.9 KiB
Java
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/* GENERATED SOURCE. DO NOT MODIFY. */
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// © 2017 and later: Unicode, Inc. and others.
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// License & terms of use: http://www.unicode.org/copyright.html
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package android.icu.number;
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import android.icu.impl.number.RoundingUtils;
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/**
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* A class that defines the strategy for padding and truncating integers before the decimal separator.
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*
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* <p>
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* To create an IntegerWidth, use one of the factory methods.
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*
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* @see NumberFormatter
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*/
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public class IntegerWidth {
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/* package-private */ static final IntegerWidth DEFAULT = new IntegerWidth(1, -1);
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final int minInt;
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final int maxInt;
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private IntegerWidth(int minInt, int maxInt) {
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this.minInt = minInt;
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this.maxInt = maxInt;
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}
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/**
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* Pad numbers at the beginning with zeros to guarantee a certain number of numerals before the
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* decimal separator.
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*
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* <p>
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* For example, with minInt=3, the number 55 will get printed as "055".
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*
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* @param minInt
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* The minimum number of places before the decimal separator.
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* @return An IntegerWidth for chaining or passing to the NumberFormatter integerWidth() setter.
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* @throws IllegalArgumentException if the input number is too big or smaller than 0.
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* @see NumberFormatter
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*/
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public static IntegerWidth zeroFillTo(int minInt) {
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if (minInt == 1) {
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return DEFAULT;
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} else if (minInt >= 0 && minInt <= RoundingUtils.MAX_INT_FRAC_SIG) {
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return new IntegerWidth(minInt, -1);
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} else {
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throw new IllegalArgumentException("Integer digits must be between 0 and "
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+ RoundingUtils.MAX_INT_FRAC_SIG
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+ " (inclusive)");
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}
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}
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/**
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* Truncate numbers exceeding a certain number of numerals before the decimal separator.
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*
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* For example, with maxInt=3, the number 1234 will get printed as "234".
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*
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* @param maxInt
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* The maximum number of places before the decimal separator. maxInt == -1 means no
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* truncation.
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* @return An IntegerWidth for passing to the NumberFormatter integerWidth() setter.
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* @throws IllegalArgumentException if the input number is too big or smaller than -1.
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* @see NumberFormatter
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*/
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public IntegerWidth truncateAt(int maxInt) {
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if (maxInt == this.maxInt) {
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return this;
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} else if (maxInt >= 0 && maxInt <= RoundingUtils.MAX_INT_FRAC_SIG && maxInt >= minInt) {
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return new IntegerWidth(minInt, maxInt);
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} else if (minInt == 1 && maxInt == -1) {
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return DEFAULT;
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} else if (maxInt == -1) {
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return new IntegerWidth(minInt, -1);
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} else {
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throw new IllegalArgumentException("Integer digits must be between -1 and "
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+ RoundingUtils.MAX_INT_FRAC_SIG
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+ " (inclusive)");
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}
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}
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}
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