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112 lines
2.7 KiB
Java
112 lines
2.7 KiB
Java
/* ========================================================================
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* PlantUML : a free UML diagram generator
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* ========================================================================
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*
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* (C) Copyright 2009-2020, Arnaud Roques
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*
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* Project Info: http://plantuml.com
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*
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* If you like this project or if you find it useful, you can support us at:
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*
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* http://plantuml.com/patreon (only 1$ per month!)
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* http://plantuml.com/paypal
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*
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* This file is part of PlantUML.
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*
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* PlantUML is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* PlantUML distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
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* License for more details.
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*
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* You should have received a copy of the GNU General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
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* USA.
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*
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*
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* Original Author: Arnaud Roques
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*
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*
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*/
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package net.sourceforge.plantuml.project.time;
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import java.util.Locale;
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public class MonthYear implements Comparable<MonthYear> {
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private final int year;
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private final Month month;
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public static MonthYear create(int year, Month month) {
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return new MonthYear(year, month);
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}
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public String shortName(Locale locale) {
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return month.shortName(locale);
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}
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public String shortNameYYYY(Locale locale) {
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return month.shortName(locale) + " " + year;
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}
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public String longName(Locale locale) {
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return month.longName(locale);
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}
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public String longNameYYYY(Locale locale) {
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return month.longName(locale) + " " + year;
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}
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private MonthYear(int year, Month month) {
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this.year = year;
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this.month = month;
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}
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public int year() {
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return year;
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}
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public MonthYear next() {
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final Month newMonth = month.next();
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final int newYear = newMonth == Month.JANUARY ? year + 1 : year;
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return new MonthYear(newYear, newMonth);
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}
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public Month month() {
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return month;
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}
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private int internalNumber() {
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return year * 100 + month.ordinal();
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}
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@Override
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public String toString() {
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return "" + year + "/" + month;
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}
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@Override
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public int hashCode() {
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return year * 113 + month.hashCode();
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}
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@Override
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public boolean equals(Object obj) {
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if (obj == null) {
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return false;
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}
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final MonthYear other = (MonthYear) obj;
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return other.internalNumber() == this.internalNumber();
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}
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public int compareTo(MonthYear other) {
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return this.internalNumber() - other.internalNumber();
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}
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}
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