/* * 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 * under the terms of the GNU General Public License version 2 only, as * 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 * or visit www.oracle.com if you need additional information or have any * 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.io.DataInput; import java.io.DataOutput; import java.io.IOException; import java.time.DateTimeException; /** * An era in the Thai Buddhist calendar system. *

* The Thai Buddhist calendar system has two eras. * The current era, for years from 1 onwards, is known as the 'Buddhist' 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 Buddhist' era. *

* * * * * * * * * * * * * * * * * * * * * * * *
year-of-eraeraproleptic-yearISO proleptic-year
2BE2-542
1BE1-543
1BEFORE_BE0-544
2BEFORE_BE-1-545
*

* Do not use {@code ordinal()} to obtain the numeric representation of {@code ThaiBuddhistEra}. * Use {@code getValue()} instead. * *

Specification for implementors

* This is an immutable and thread-safe enum. * * @since 1.8 */ public enum ThaiBuddhistEra implements Era { /** * The singleton instance for the era before the current one, 'Before Buddhist Era', * which has the numeric value 0. */ BEFORE_BE, /** * The singleton instance for the current era, 'Buddhist Era', * which has the numeric value 1. */ BE; //----------------------------------------------------------------------- /** * Obtains an instance of {@code ThaiBuddhistEra} from an {@code int} value. *

* {@code ThaiBuddhistEra} is an enum representing the Thai Buddhist eras of BEFORE_BE/BE. * This factory allows the enum to be obtained from the {@code int} value. * * @param thaiBuddhistEra the era to represent, from 0 to 1 * @return the BuddhistEra singleton, never null * @throws DateTimeException if the era is invalid */ public static ThaiBuddhistEra of(int thaiBuddhistEra) { switch (thaiBuddhistEra) { case 0: return BEFORE_BE; case 1: return BE; default: throw new DateTimeException("Invalid era: " + thaiBuddhistEra); } } //----------------------------------------------------------------------- /** * Gets the numeric era {@code int} value. *

* The era BEFORE_BE has the value 0, while the era BE has the value 1. * * @return the era value, from 0 (BEFORE_BE) to 1 (BE) */ @Override public int getValue() { return ordinal(); } //----------------------------------------------------------------------- private Object writeReplace() { return new Ser(Ser.THAIBUDDHIST_ERA_TYPE, this); } void writeExternal(DataOutput out) throws IOException { out.writeByte(this.getValue()); } static ThaiBuddhistEra readExternal(DataInput in) throws IOException { byte eraValue = in.readByte(); return ThaiBuddhistEra.of(eraValue); } }