Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
Version |
|
| 1.4;1.4 |
1 | /* | |
2 | * Copyright 2001,2004 The Apache Software Foundation. | |
3 | * | |
4 | * Licensed under the Apache License, Version 2.0 (the "License"); | |
5 | * you may not use this file except in compliance with the License. | |
6 | * You may obtain a copy of the License at | |
7 | * | |
8 | * http://www.apache.org/licenses/LICENSE-2.0 | |
9 | * | |
10 | * Unless required by applicable law or agreed to in writing, software | |
11 | * distributed under the License is distributed on an "AS IS" BASIS, | |
12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
13 | * See the License for the specific language governing permissions and | |
14 | * limitations under the License. | |
15 | */ | |
16 | ||
17 | package org.apache.commons.jjar; | |
18 | ||
19 | /** | |
20 | * simple class to handle JJAR version information | |
21 | * | |
22 | * should be of format | |
23 | * <major>.<minor>-<modifier> | |
24 | * | |
25 | * @author <a href="mailto:geirm@optonline.net">Geir Magnusson Jr.</a> | |
26 | * @version $Id: Version.java 155454 2005-02-26 13:23:34Z dirkv $ | |
27 | */ | |
28 | public class Version | |
29 | { | |
30 | 0 | private static String VER_SEP = "."; |
31 | 0 | private static String MOD_SEP = "-"; |
32 | ||
33 | 0 | private boolean proper = false; |
34 | private String version; | |
35 | 0 | private int major = -1; |
36 | 0 | private int minor = -1; |
37 | 0 | private String modifier = ""; |
38 | ||
39 | public Version( String version ) | |
40 | 0 | { |
41 | 0 | this.version = version; |
42 | 0 | parse(); |
43 | 0 | } |
44 | ||
45 | public boolean isProper() | |
46 | { | |
47 | 0 | return proper; |
48 | } | |
49 | ||
50 | public String toString() | |
51 | { | |
52 | 0 | return version; |
53 | } | |
54 | ||
55 | public int getMajor() | |
56 | { | |
57 | 0 | return this.major; |
58 | } | |
59 | ||
60 | public int getMinor() | |
61 | { | |
62 | 0 | return this.minor; |
63 | } | |
64 | ||
65 | public String getModifier() | |
66 | { | |
67 | 0 | return this.modifier; |
68 | } | |
69 | ||
70 | public boolean equals( String version ) | |
71 | { | |
72 | 0 | Version v = new Version( version ); |
73 | ||
74 | 0 | return equals( v ); |
75 | } | |
76 | ||
77 | public boolean equals( Version v ) | |
78 | { | |
79 | 0 | return (v.getMajor() == major && v.getMinor() == minor && v.getModifier().equals( modifier)); |
80 | } | |
81 | ||
82 | private void parse() | |
83 | { | |
84 | /* | |
85 | * first, look for the separators | |
86 | */ | |
87 | ||
88 | 0 | int wherever = version.indexOf( VER_SEP ); |
89 | 0 | int wheremod = version.indexOf( MOD_SEP ); |
90 | ||
91 | /* | |
92 | * we must have the VER_SEP or it's not | |
93 | * properly formatted | |
94 | */ | |
95 | ||
96 | 0 | if (wherever != -1 ) |
97 | { | |
98 | /* | |
99 | * major : get the 'left' of VER_SEP | |
100 | */ | |
101 | ||
102 | 0 | String maj = version.substring( 0,wherever); |
103 | ||
104 | try | |
105 | { | |
106 | 0 | major = Integer.parseInt( maj ); |
107 | 0 | proper = true; |
108 | } | |
109 | 0 | catch( Exception e ) |
110 | 0 | {} |
111 | ||
112 | /* | |
113 | * minor : | |
114 | */ | |
115 | ||
116 | 0 | String min = version.substring( wherever + 1, |
117 | (wheremod == -1 ? version.length() : wheremod ) ); | |
118 | ||
119 | try | |
120 | { | |
121 | 0 | minor = Integer.parseInt( min ); |
122 | 0 | proper = true; |
123 | } | |
124 | 0 | catch( Exception e ) |
125 | 0 | {} |
126 | } | |
127 | ||
128 | 0 | if ( wheremod != -1 ) |
129 | { | |
130 | /* | |
131 | * now the modifier | |
132 | */ | |
133 | ||
134 | 0 | modifier = version.substring( wheremod + 1 ); |
135 | } | |
136 | ||
137 | 0 | } |
138 | ||
139 | public static void main( String args[]) | |
140 | { | |
141 | 0 | Version jv = new Version( "1.1"); |
142 | 0 | System.out.println( jv.getMajor() + " : " + jv.getMinor() + " : " + jv.getModifier()); |
143 | ||
144 | 0 | jv = new Version( "2.1-rc1"); |
145 | 0 | System.out.println( jv.getMajor() + " : " + jv.getMinor() + " : " + jv.getModifier()); |
146 | 0 | } |
147 | ||
148 | } | |
149 | ||
150 | ||
151 |