1 /* 2 * Copyright (c) 1997, 2017, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package com.sun.tools.internal.xjc.api; 27 28 /** 29 * Represents the spec version constant. 30 * 31 * @author Kohsuke Kawaguchi 32 */ 33 public enum SpecVersion { 34 V2_0, V2_1, V2_2; 35 36 /** 37 * Returns true if this version is equal or later than the given one. 38 */ 39 public boolean isLaterThan(SpecVersion t) { 40 return this.ordinal()>=t.ordinal(); 41 } 42 43 /** 44 * Parses "2.0", "2.1", and "2.2" into the {@link SpecVersion} object. 45 * 46 * @return null for parsing failure. 47 */ 48 public static SpecVersion parse(String token) { 49 if(token.equals("2.0")) 50 return V2_0; 51 if(token.equals("2.1")) 52 return V2_1; 53 if(token.equals("2.2")) 54 return V2_2; 55 return null; 56 } 57 58 /** 59 * Gives the String representation of the {@link SpecVersion} 60 */ 61 public String getVersion(){ 62 switch(this){ 63 case V2_0: 64 return "2.0"; 65 case V2_1: 66 return "2.1"; 67 case V2_2: 68 return "2.2"; 69 default: 70 return null; 71 } 72 } 73 74 public static final SpecVersion LATEST = V2_2; 75 }