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Java > Open Source Codes > Browser


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 Exoffice Technologies. For written permission,
18  * please contact jima@intalio.com.
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 Exoffice Technologies. Exolab is a registered
23  * trademark of Exoffice Technologies.
24  *
25  * 5. Due credit should be given to the Exolab Project
26  * (http://www.exolab.org/).
27  *
28  * THIS SOFTWARE IS PROVIDED BY EXOFFICE TECHNOLOGIES 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  * EXOFFICE TECHNOLOGIES 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 2005 (C) Exoffice Technologies Inc. All Rights Reserved.
42  *
43  * $Id: Browser.java,v 1.1 2005/05/13 13:17:10 tanderson Exp $
44  */
45
46 import java.util.Enumeration JavaDoc;
47 import javax.jms.Connection JavaDoc;
48 import javax.jms.ConnectionFactory JavaDoc;
49 import javax.jms.JMSException JavaDoc;
50 import javax.jms.Message JavaDoc;
51 import javax.jms.Queue JavaDoc;
52 import javax.jms.QueueBrowser JavaDoc;
53 import javax.jms.Session JavaDoc;
54 import javax.jms.TextMessage JavaDoc;
55 import javax.naming.Context JavaDoc;
56 import javax.naming.InitialContext JavaDoc;
57 import javax.naming.NamingException JavaDoc;
58
59
60 /**
61  * <code>QueueBrowser</code> example.
62  *
63  * @author <a HREF="mailto:tma@netspace.net.au">Tim Anderson</a>
64  * @version $Revision: 1.1 $ $Date: 2005/05/13 13:17:10 $
65  */
66 public class Browser {
67
68     /**
69      * Main line.
70      *
71      * @param args command line arguments
72      */
73     public static void main(String JavaDoc[] args) {
74         Context JavaDoc context = null;
75         ConnectionFactory JavaDoc factory = null;
76         Connection JavaDoc connection = null;
77         String JavaDoc factoryName = "ConnectionFactory";
78         String JavaDoc queueName = null;
79         Queue JavaDoc queue = null;
80         Session JavaDoc session = null;
81         QueueBrowser JavaDoc browser = null;
82
83         if (args.length != 1) {
84             System.out.println("usage: Browser <queue>");
85             System.exit(1);
86         }
87
88         queueName = args[0];
89
90         // Create the JNDI initial context.
91 try {
92             context = new InitialContext JavaDoc();
93         } catch (NamingException JavaDoc exception) {
94             System.err.println("Failed to create initial JNDI context: "
95                                + exception);
96             System.exit(1);
97         }
98
99         // Look up the ConnectionFactory
100 try {
101             factory = (ConnectionFactory JavaDoc) context.lookup(factoryName);
102         } catch (NamingException JavaDoc exception) {
103             System.err.println("Failed to look up connection factory: "
104                                + exception);
105             System.exit(1);
106         }
107
108         // Look up the Queue
109 try {
110             queue = (Queue JavaDoc) context.lookup(queueName);
111         } catch (NamingException JavaDoc exception) {
112             System.err.println("Failed to look up queue: " + exception);
113             System.exit(1);
114         }
115
116         try {
117             // create the connection
118 connection = factory.createConnection();
119
120             // create the session
121 session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
122
123             // create the browser
124 browser = session.createBrowser(queue);
125
126             // start the connection
127 connection.start();
128
129             Enumeration JavaDoc messages = browser.getEnumeration();
130             while (messages.hasMoreElements()) {
131                 Message JavaDoc message = (Message JavaDoc) messages.nextElement();
132                 if (message instanceof TextMessage JavaDoc) {
133                     TextMessage JavaDoc text = (TextMessage JavaDoc) message;
134                     System.out.println("Browsed: " + text.getText());
135                 } else if (message != null) {
136                     System.out.println("Browsed non text message");
137                 }
138             }
139         } catch (JMSException JavaDoc exception) {
140             System.err.println("JMS exception: " + exception);
141             System.exit(1);
142         } finally {
143             if (connection != null) {
144                 try {
145                     connection.close();
146                 } catch (JMSException JavaDoc exception) {
147                     System.err.println("Failed to close connection: "
148                                        + exception);
149                 }
150             }
151         }
152         System.exit(0);
153     }
154 }
155
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