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1
32
33 package com.jeantessier.dependencyfinder;
34
35 import java.io.*;
36 import java.util.jar.*;
37
38 import org.apache.log4j.*;
39
40 public class Version {
41 public static final String  DEFAULT_URL = "http://depfind.sourceforge.net/";
42 public static final String DEFAULT_TITLE = "Dependency Finder";
43 public static final String DEFAULT_VERSION = "<i>unknown</i>";
44 public static final String DEFAULT_VENDOR = "Jean Tessier";
45 public static final String DEFAULT_DATE = "<i>unknown</i>";
46 public static final String DEFAULT_COPYRIGHT_HOLDER = "Jean Tessier";
47 public static final String DEFAULT_COPYRIGHT_DATE = "2001-2005";
48
49 private String resourceURL = null;
50 private String jarName = null;
51
52 private Attributes attributes = null;
53
54 public Version() {
55 resourceURL = getClass().getResource("Version.class").toString();
56
57 if (resourceURL.startsWith("jar:file:")) {
58 jarName = resourceURL.substring(9, resourceURL.indexOf(".jar!") + 4);
59
60 try {
61 JarFile jar = new JarFile(jarName);
62 Manifest manifest = jar.getManifest();
63
64 attributes = manifest.getMainAttributes();
65 } catch (IOException ex) {
66 Logger.getLogger(getClass()).error("Could not get version information, using defaults", ex);
67 }
68 }
69 }
70
71 public String getResourceURL() {
72 return resourceURL;
73 }
74
75 public String getJarName() {
76 return jarName;
77 }
78
79 public String getImplementationURL() {
80 String result = DEFAULT_URL;
81
82 if (attributes != null) {
83 result = attributes.getValue("Implementation-URL");
84 }
85
86 return result;
87 }
88
89 public String getImplementationTitle() {
90 String result = DEFAULT_TITLE;
91
92 if (attributes != null) {
93 result = attributes.getValue("Implementation-Title");
94 }
95
96 return result;
97 }
98
99 public String getImplementationVersion() {
100 String result = DEFAULT_VERSION;
101
102 if (attributes != null) {
103 result = attributes.getValue("Implementation-Version");
104 }
105
106 return result;
107 }
108
109 public String getImplementationVendor() {
110 String result = DEFAULT_VENDOR;
111
112 if (attributes != null) {
113 result = attributes.getValue("Implementation-Vendor");
114 }
115
116 return result;
117 }
118
119 public String getImplementationDate() {
120 String result = DEFAULT_DATE;
121
122 if (attributes != null) {
123 result = attributes.getValue("Implementation-Date");
124 }
125
126 return result;
127 }
128
129 public String getSpecificationTitle() {
130 String result = DEFAULT_TITLE;
131
132 if (attributes != null) {
133 result = attributes.getValue("Specification-Title");
134 }
135
136 return result;
137 }
138
139 public String getSpecificationVersion() {
140 String result = DEFAULT_VERSION;
141
142 if (attributes != null) {
143 result = attributes.getValue("Specification-Version");
144 }
145
146 return result;
147 }
148
149 public String getSpecificationVendor() {
150 String result = DEFAULT_VENDOR;
151
152 if (attributes != null) {
153 result = attributes.getValue("Specification-Vendor");
154 }
155
156 return result;
157 }
158
159 public String getSpecificationDate() {
160 String result = DEFAULT_DATE;
161
162 if (attributes != null) {
163 result = attributes.getValue("Specification-Date");
164 }
165
166 return result;
167 }
168
169 public String getCopyrightHolder() {
170 String result = DEFAULT_COPYRIGHT_HOLDER;
171
172 if (attributes != null) {
173 result = attributes.getValue("Copyright-Holder");
174 }
175
176 return result;
177 }
178
179 public String getCopyrightDate() {
180 String result = DEFAULT_COPYRIGHT_DATE;
181
182 if (attributes != null) {
183 result = attributes.getValue("Copyright-Date");
184 }
185
186 return result;
187 }
188 }
189 |
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