1 /* 2 * Copyright (c) 2006, 2019, 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. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 package jnlp.converter.parser; 25 26 import java.util.List; 27 import java.util.ArrayList; 28 import java.util.StringTokenizer; 29 30 /* 31 * Utility class that knows to handle version strings 32 * A version string is of the form: 33 * 34 * (version-id ('+'?) ' ') * 35 * 36 */ 37 public class VersionString { 38 private final ArrayList<VersionID> _versionIds; 39 40 /** Constructs a VersionString object from string */ 41 public VersionString(String vs) { 42 _versionIds = new ArrayList<>(); 43 if (vs != null) { 44 StringTokenizer st = new StringTokenizer(vs, " ", false); 45 while (st.hasMoreElements()) { 46 // Note: The VersionID class takes care of a postfixed '+' 47 _versionIds.add(new VersionID(st.nextToken())); 48 } 49 } 50 } 51 52 public VersionString(VersionID id) { 53 _versionIds = new ArrayList<>(); 54 if (id != null) { 55 _versionIds.add(id); 56 } 57 } 58 59 public boolean isSimpleVersion() { 60 if (_versionIds.size() == 1) { 61 return _versionIds.get(0).isSimpleVersion(); 62 } 63 return false; 64 } 65 66 /** Check if this VersionString object contains the VersionID m */ 67 public boolean contains(VersionID m) { 68 for (int i = 0; i < _versionIds.size(); i++) { 69 VersionID vi = _versionIds.get(i); 70 boolean check = vi.match(m); 71 if (check) { 72 return true; 73 } 74 } 75 return false; 76 } 77 78 /** Check if this VersionString object contains the VersionID m, given as a string */ 79 public boolean contains(String versionid) { 80 return contains(new VersionID(versionid)); 81 } 82 83 /** Check if this VersionString object contains anything greater than m */ 84 public boolean containsGreaterThan(VersionID m) { 85 for (int i = 0; i < _versionIds.size(); i++) { 86 VersionID vi = _versionIds.get(i); 87 boolean check = vi.isGreaterThan(m); 88 if (check) { 89 return true; 90 } 91 } 92 return false; 93 } 94 95 /** Check if this VersionString object contains anything greater than the VersionID m, given as a string */ 96 public boolean containsGreaterThan(String versionid) { 97 return containsGreaterThan(new VersionID(versionid)); 98 } 99 100 /** Check if the versionString 'vs' contains the VersionID 'vi' */ 101 public static boolean contains(String vs, String vi) { 102 return (new VersionString(vs)).contains(vi); 103 } 104 105 /** Pretty-print object */ 106 @Override 107 public String toString() { 108 StringBuilder sb = new StringBuilder(); 109 for (int i = 0; i < _versionIds.size(); i++) { 110 sb.append(_versionIds.get(i).toString()); 111 sb.append(' '); 112 } 113 return sb.toString(); 114 } 115 116 public List<VersionID> getAllVersionIDs() { 117 return _versionIds; 118 } 119 }