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1 /**
2  * Redistribution and use of this software and associated documentation
3  * ("Software"), with or without modification, are permitted provided
4  * that the following conditions are met:
5  *
6  * 1. Redistributions of source code must retain copyright
7  * statements and notices. Redistributions must also contain a
8  * copy of this document.
9  *
10  * 2. Redistributions in binary form must reproduce the
11  * above copyright notice, this list of conditions and the
12  * following disclaimer in the documentation and/or other
13  * materials provided with the distribution.
14  *
15  * 3. The name "Exolab" must not be used to endorse or promote
16  * products derived from this Software without prior written
17  * permission of Intalio. For written permission,
18  * please contact info@exolab.org.
19  *
20  * 4. Products derived from this Software may not be called "Exolab"
21  * nor may "Exolab" appear in their names without prior written
22  * permission of Intalio. Exolab is a registered
23  * trademark of Intalio.
24  *
25  * 5. Due credit should be given to the Exolab Project
26  * (http://www.exolab.org/).
27  *
28  * THIS SOFTWARE IS PROVIDED BY INTALIO AND CONTRIBUTORS
29  * ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT
30  * NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
31  * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
32  * INTALIO OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
33  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
34  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
35  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
36  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
37  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
38  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
39  * OF THE POSSIBILITY OF SUCH DAMAGE.
40  *
41  * Copyright 2001,2003 (C) Intalio Inc. All Rights Reserved.
42  *
43  * $Id: Version.java,v 1.1 2004/11/26 01:51:02 tanderson Exp $
44  */
45
46
47 package org.exolab.jms.util;
48
49 import java.util.Properties JavaDoc;
50
51
52 /**
53  * This class provides version information from the <tt>openjms.version</tt>
54  * configuration file.
55  *
56  * @author <a HREF="mailto:tima@intalio.com">Tim Anderson</a>
57  * @version $Revision: 1.1 $ $Date: 2004/11/26 01:51:02 $
58  */
59 public final class Version {
60
61     /**
62      * The vendor name
63      */
64     public static final String JavaDoc VENDOR_NAME;
65
66     /**
67      * The vendor URL
68      */
69     public static final String JavaDoc VENDOR_URL;
70
71     /**
72      * The version number
73      */
74     public static final String JavaDoc VERSION;
75
76     /**
77      * The major version number
78      */
79     public static final int MAJOR_VERSION;
80
81     /**
82      * The minor version number
83      */
84     public static final int MINOR_VERSION;
85
86     /**
87      * The build date
88      */
89     public static final String JavaDoc BUILD_DATE;
90
91     /**
92      * The product title
93      */
94     public static final String JavaDoc TITLE;
95
96     /**
97      * The copyright message
98      */
99     public static final String JavaDoc COPYRIGHT;
100
101     /**
102      * The name of the version configuration file
103      */
104     public static final String JavaDoc FILE_NAME = "openjms.version";
105
106     /**
107      * The name of the default configuration file as a resource
108      */
109     private static final String JavaDoc RESOURCE_NAME = "/org/exolab/jms/" + FILE_NAME;
110
111     /**
112      * Default constructor
113      */
114     private Version() {
115     }
116
117     /**
118      * Displays all version information
119      */
120     public static void main(String JavaDoc args[]) {
121         System.err.println(TITLE + " " + VERSION + " (" + BUILD_DATE + ")");
122         System.err.println(VENDOR_NAME + " (" + VENDOR_URL + ")");
123         System.err.println(COPYRIGHT);
124     }
125
126     static {
127         Properties JavaDoc properties = new Properties JavaDoc();
128         int major = -1;
129         int minor = -1;
130
131         // Get version informatation from the JAR.
132 try {
133             properties.load(Version.class.getResourceAsStream(RESOURCE_NAME));
134             major = Integer.parseInt(properties.getProperty("version.major"));
135             minor = Integer.parseInt(properties.getProperty("version.minor"));
136         } catch (Exception JavaDoc exception) {
137             // This should never happen
138 System.err.println("Error loading " + RESOURCE_NAME + ": " +
139                 exception.getMessage());
140         }
141
142         VENDOR_NAME = properties.getProperty("version.vendorName");
143         VENDOR_URL = properties.getProperty("version.vendorUrl");
144         VERSION = properties.getProperty("version");
145
146         MAJOR_VERSION = major;
147         MINOR_VERSION = minor;
148         BUILD_DATE = properties.getProperty("build.date");
149
150         TITLE = properties.getProperty("version.title");
151         COPYRIGHT = properties.getProperty("version.copyright");
152     }
153
154 } //-- Version
155
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