93 lines
2.7 KiB
Java
93 lines
2.7 KiB
Java
/*
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* Copyright (c) 2000, 2013, 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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import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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/**
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* Month enum handles month related manipulation.
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*
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* @since 1.4
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*/
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enum Month {
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JANUARY("Jan"),
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FEBRUARY("Feb"),
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MARCH("Mar"),
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APRIL("Apr"),
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MAY("May"),
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JUNE("Jun"),
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JULY("Jul"),
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AUGUST("Aug"),
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SEPTEMBER("Sep"),
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OCTOBER("Oct"),
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NOVEMBER("Nov"),
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DECEMBER("Dec");
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private final String abbr;
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private static final Map<String,Month> abbreviations
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= new HashMap<String,Month>(12);
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static {
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for (Month m : Month.values()) {
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abbreviations.put(m.abbr, m);
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}
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}
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private Month(String abbr) {
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this.abbr = abbr;
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}
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int value() {
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return ordinal() + 1;
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}
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/**
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* Parses the specified string as a month abbreviation.
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* @param name the month abbreviation
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* @return the Month value
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*/
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static Month parse(String name) {
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Month m = abbreviations.get(name);
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if (m != null) {
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return m;
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}
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return null;
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}
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/**
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* @param month the nunmth number (1-based)
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* @return the month name in uppercase of the specified month
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*/
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static String toString(int month) {
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if (month >= JANUARY.value() && month <= DECEMBER.value()) {
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return "Calendar." + Month.values()[month - 1];
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}
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throw new IllegalArgumentException("wrong month number: " + month);
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}
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}
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