| /* |
| * Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
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| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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| * questions. |
| */ |
| |
| /* |
| * This file is available under and governed by the GNU General Public |
| * License version 2 only, as published by the Free Software Foundation. |
| * However, the following notice accompanied the original version of this |
| * file: |
| * |
| * Copyright (c) 2012, Stephen Colebourne & Michael Nascimento Santos |
| * |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are met: |
| * |
| * * Redistributions of source code must retain the above copyright notice, |
| * this list of conditions and the following disclaimer. |
| * |
| * * Redistributions in binary form must reproduce the above copyright notice, |
| * this list of conditions and the following disclaimer in the documentation |
| * and/or other materials provided with the distribution. |
| * |
| * * Neither the name of JSR-310 nor the names of its contributors |
| * may be used to endorse or promote products derived from this software |
| * without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR |
| * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF |
| * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING |
| * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
| * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| package java.time.chrono; |
| |
| import java.time.DateTimeException; |
| |
| /** |
| * An era in the Minguo calendar system. |
| * <p> |
| * The Minguo calendar system has two eras. |
| * The current era, for years from 1 onwards, is known as the 'Republic of China' era. |
| * All previous years, zero or earlier in the proleptic count or one and greater |
| * in the year-of-era count, are part of the 'Before Republic of China' era. |
| * |
| * <table summary="Minguo years and eras" cellpadding="2" cellspacing="3" border="0" > |
| * <thead> |
| * <tr class="tableSubHeadingColor"> |
| * <th class="colFirst" align="left">year-of-era</th> |
| * <th class="colFirst" align="left">era</th> |
| * <th class="colFirst" align="left">proleptic-year</th> |
| * <th class="colLast" align="left">ISO proleptic-year</th> |
| * </tr> |
| * </thead> |
| * <tbody> |
| * <tr class="rowColor"> |
| * <td>2</td><td>ROC</td><td>2</td><td>1913</td> |
| * </tr> |
| * <tr class="altColor"> |
| * <td>1</td><td>ROC</td><td>1</td><td>1912</td> |
| * </tr> |
| * <tr class="rowColor"> |
| * <td>1</td><td>BEFORE_ROC</td><td>0</td><td>1911</td> |
| * </tr> |
| * <tr class="altColor"> |
| * <td>2</td><td>BEFORE_ROC</td><td>-1</td><td>1910</td> |
| * </tr> |
| * </tbody> |
| * </table> |
| * <p> |
| * <b>Do not use {@code ordinal()} to obtain the numeric representation of {@code MinguoEra}. |
| * Use {@code getValue()} instead.</b> |
| * |
| * @implSpec |
| * This is an immutable and thread-safe enum. |
| * |
| * @since 1.8 |
| */ |
| public enum MinguoEra implements Era { |
| |
| /** |
| * The singleton instance for the era before the current one, 'Before Republic of China Era', |
| * which has the numeric value 0. |
| */ |
| BEFORE_ROC, |
| /** |
| * The singleton instance for the current era, 'Republic of China Era', |
| * which has the numeric value 1. |
| */ |
| ROC; |
| |
| //----------------------------------------------------------------------- |
| /** |
| * Obtains an instance of {@code MinguoEra} from an {@code int} value. |
| * <p> |
| * {@code MinguoEra} is an enum representing the Minguo eras of BEFORE_ROC/ROC. |
| * This factory allows the enum to be obtained from the {@code int} value. |
| * |
| * @param minguoEra the BEFORE_ROC/ROC value to represent, from 0 (BEFORE_ROC) to 1 (ROC) |
| * @return the era singleton, not null |
| * @throws DateTimeException if the value is invalid |
| */ |
| public static MinguoEra of(int minguoEra) { |
| switch (minguoEra) { |
| case 0: |
| return BEFORE_ROC; |
| case 1: |
| return ROC; |
| default: |
| throw new DateTimeException("Invalid era: " + minguoEra); |
| } |
| } |
| |
| //----------------------------------------------------------------------- |
| /** |
| * Gets the numeric era {@code int} value. |
| * <p> |
| * The era BEFORE_ROC has the value 0, while the era ROC has the value 1. |
| * |
| * @return the era value, from 0 (BEFORE_ROC) to 1 (ROC) |
| */ |
| @Override |
| public int getValue() { |
| return ordinal(); |
| } |
| |
| } |