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
26package com.sun.tools.internal.xjc.api;
27
28/**
29 * Represents the spec version constant.
30 *
31 * @author Kohsuke Kawaguchi
32 */
33public 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}
76