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Java > Open Source Codes > org > apache > catalina > util > ServerInfo


1 /*
2  * Licensed to the Apache Software Foundation (ASF) under one or more
3  * contributor license agreements. See the NOTICE file distributed with
4  * this work for additional information regarding copyright ownership.
5  * The ASF licenses this file to You under the Apache License, Version 2.0
6  * (the "License"); you may not use this file except in compliance with
7  * the License. You may obtain a copy of the License at
8  *
9  * http://www.apache.org/licenses/LICENSE-2.0
10  *
11  * Unless required by applicable law or agreed to in writing, software
12  * distributed under the License is distributed on an "AS IS" BASIS,
13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  * See the License for the specific language governing permissions and
15  * limitations under the License.
16  */
17
18
19 package org.apache.catalina.util;
20
21
22 import java.io.InputStream JavaDoc;
23 import java.util.Properties JavaDoc;
24
25
26 /**
27  * Simple utility module to make it easy to plug in the server identifier
28  * when integrating Tomcat.
29  *
30  * @author Craig R. McClanahan
31  * @version $Revision: 467222 $ $Date: 2006-10-24 05:17:11 +0200 (mar., 24 oct. 2006) $
32  */
33
34 public class ServerInfo {
35
36
37     // ------------------------------------------------------- Static Variables
38
39
40     /**
41      * The server information String with which we identify ourselves.
42      */
43     private static String JavaDoc serverInfo = null;
44
45     /**
46      * The server built String.
47      */
48     private static String JavaDoc serverBuilt = null;
49
50     /**
51      * The server's version number String.
52      */
53     private static String JavaDoc serverNumber = null;
54
55     static {
56
57         try {
58             InputStream JavaDoc is = ServerInfo.class.getResourceAsStream
59                 ("/org/apache/catalina/util/ServerInfo.properties");
60             Properties JavaDoc props = new Properties JavaDoc();
61             props.load(is);
62             is.close();
63             serverInfo = props.getProperty("server.info");
64             serverBuilt = props.getProperty("server.built");
65             serverNumber = props.getProperty("server.number");
66         } catch (Throwable JavaDoc t) {
67             ;
68         }
69         if (serverInfo == null)
70             serverInfo = "Apache Tomcat";
71         if (serverBuilt == null)
72             serverBuilt = "unknown";
73         if (serverNumber == null)
74             serverNumber = "5.5.0.0";
75         
76     }
77
78
79     // --------------------------------------------------------- Public Methods
80
81
82     /**
83      * Return the server identification for this version of Tomcat.
84      */
85     public static String JavaDoc getServerInfo() {
86
87         return (serverInfo);
88
89     }
90
91     /**
92      * Return the server built time for this version of Tomcat.
93      */
94     public static String JavaDoc getServerBuilt() {
95
96         return (serverBuilt);
97
98     }
99
100     /**
101      * Return the server's version number.
102      */
103     public static String JavaDoc getServerNumber() {
104
105         return (serverNumber);
106
107     }
108
109     public static void main(String JavaDoc args[]) {
110         System.out.println("Server version: " + getServerInfo());
111         System.out.println("Server built: " + getServerBuilt());
112         System.out.println("Server number: " + getServerNumber());
113         System.out.println("OS Name: " +
114                            System.getProperty("os.name"));
115         System.out.println("OS Version: " +
116                            System.getProperty("os.version"));
117         System.out.println("Architecture: " +
118                            System.getProperty("os.arch"));
119         System.out.println("JVM Version: " +
120                            System.getProperty("java.runtime.version"));
121         System.out.println("JVM Vendor: " +
122                            System.getProperty("java.vm.vendor"));
123     }
124
125 }
126
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