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1 package org.jboss.cache;
2
3 import java.util.StringTokenizer  ;
4
5
11 public class Version
12 {
13 public static final String version = "2.0.0.ALPHA2";
14 public static final String codename = "Habanero";
15 public static byte[] version_id = {'0', '2', '0', '0', 'a'};
16 public static final String cvs = "$Id: Version.java,v 1.26 2006/12/30 17:49:54 msurtani Exp $";
17
18 private static final int MAJOR_SHIFT = 11;
19 private static final int MINOR_SHIFT = 6;
20 private static final int MAJOR_MASK = 0x00f800;
21 private static final int MINOR_MASK = 0x0007c0;
22 private static final int PATCH_MASK = 0x00003f;
23
24 private static final short SHORT_1_2_3 = encodeVersion(1, 2, 3);
25 private static final short SHORT_1_2_4_SP2 = encodeVersion(1, 2, 4);
26
27
30 public static void main(String [] args)
31 {
32 System.out.println("\nVersion: \t" + version);
33 System.out.println("Codename: \t" + codename);
34 System.out.println("CVS: \t" + cvs);
35 System.out.println("History: \t(see http://jira.jboss.com/jira/browse/JBCACHE for details)\n");
36 }
37
38
41 public static String printVersion()
42 {
43 return "JBossCache '" + codename + "' " + version + "[ " + cvs + "]";
44 }
45
46 public static String printVersionId(byte[] v, int len)
47 {
48 StringBuffer sb = new StringBuffer ();
49 if (v != null)
50 {
51 if (len <= 0)
52 len = v.length;
53 for (int i = 0; i < len; i++)
54 sb.append((char) v[i]);
55 }
56 return sb.toString();
57 }
58
59 public static String printVersionId(byte[] v)
60 {
61 StringBuffer sb = new StringBuffer ();
62 if (v != null)
63 {
64 for (int i = 0; i < v.length; i++)
65 sb.append((char) v[i]);
66 }
67 return sb.toString();
68 }
69
70
71 public static boolean compareTo(byte[] v)
72 {
73 if (v == null)
74 return false;
75 if (v.length < version_id.length)
76 return false;
77 for (int i = 0; i < version_id.length; i++)
78 {
79 if (version_id[i] != v[i])
80 return false;
81 }
82 return true;
83 }
84
85 public static int getLength()
86 {
87 return version_id.length;
88 }
89
90 public static short getVersionShort()
91 {
92 return getVersionShort(version);
93 }
94
95 public static short getVersionShort(String versionString)
96 {
97 if (versionString == null)
98 throw new IllegalArgumentException ("versionString is null");
99
100 if ("1.2.4".equals(versionString))
102 return 124;
103 else if ("1.2.4.SP1".equals(versionString))
104 return 1241;
105
106 StringTokenizer tokenizer = new StringTokenizer (versionString, ".");
107
108 int major = 0;
109 int minor = 0;
110 int patch = 0;
111
112 if (tokenizer.hasMoreTokens())
113 major = Integer.parseInt(tokenizer.nextToken());
114 if (tokenizer.hasMoreTokens())
115 minor = Integer.parseInt(tokenizer.nextToken());
116 if (tokenizer.hasMoreTokens())
117 patch = Integer.parseInt(tokenizer.nextToken());
118
119 return encodeVersion(major, minor, patch);
120 }
121
122 public static String getVersionString(short versionShort)
123 {
124 if (versionShort == SHORT_1_2_4_SP2)
125 return "1.2.4.SP2";
126
127 switch (versionShort)
128 {
129 case 124:
130 return "1.2.4";
131 case 1241:
132 return "1.2.4.SP1";
133 default:
134 return decodeVersion(versionShort);
135 }
136 }
137
138 public static short encodeVersion(int major, int minor, int patch)
139 {
140 short version = (short) ((major << MAJOR_SHIFT)
141 + (minor << MINOR_SHIFT)
142 + patch);
143 return version;
144 }
145
146 public static String decodeVersion(short version)
147 {
148 int major = (version & MAJOR_MASK) >> MAJOR_SHIFT;
149 int minor = (version & MINOR_MASK) >> MINOR_SHIFT;
150 int patch = (version & PATCH_MASK);
151 String versionString = major + "." + minor + "." + patch;
152 return versionString;
153 }
154
155 public static boolean isBefore124(short version)
156 {
157 return (version > 1241 && version <= SHORT_1_2_3);
158 }
159
160 public static class Retro
161 {
162 public static void main(String [] args)
163 {
164 System.out.println("\nVersion: \t" + version + " (Retroweaved for JDK 1.4.x compatibility)");
165 System.out.println("Codename: \t" + codename);
166 System.out.println("CVS: \t" + cvs);
167 System.out.println("History: \t(see http://jira.jboss.com/jira/browse/JBCACHE for details)\n");
168 }
169 }
170 }
171 |
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