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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 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 1.2 2005/11/18 03:28:00 tanderson Exp $
44   */
45  
46  import java.util.Enumeration;
47  import javax.jms.Connection;
48  import javax.jms.ConnectionFactory;
49  import javax.jms.JMSException;
50  import javax.jms.Message;
51  import javax.jms.Queue;
52  import javax.jms.QueueBrowser;
53  import javax.jms.Session;
54  import javax.jms.TextMessage;
55  import javax.naming.Context;
56  import javax.naming.InitialContext;
57  import javax.naming.NamingException;
58  
59  
60  /***
61   * <code>QueueBrowser</code> example.
62   *
63   * @author <a href="mailto:tma@netspace.net.au">Tim Anderson</a>
64   * @version $Revision: 1.2 $ $Date: 2005/11/18 03:28:00 $
65   */
66  public class Browser {
67  
68      /***
69       * Main line.
70       *
71       * @param args command line arguments
72       */
73      public static void main(String[] args) {
74          Context context = null;
75          ConnectionFactory factory = null;
76          Connection connection = null;
77          String factoryName = "ConnectionFactory";
78          String queueName = null;
79          Queue queue = null;
80          Session session = null;
81          QueueBrowser 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          try {
91              // create the JNDI initial context.
92              context = new InitialContext();
93  
94              // look up the ConnectionFactory
95              factory = (ConnectionFactory) context.lookup(factoryName);
96  
97              // look up the Queue
98              queue = (Queue) context.lookup(queueName);
99  
100             // create the connection
101             connection = factory.createConnection();
102 
103             // create the session
104             session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
105 
106             // create the browser
107             browser = session.createBrowser(queue);
108 
109             // start the connection
110             connection.start();
111 
112             Enumeration messages = browser.getEnumeration();
113             while (messages.hasMoreElements()) {
114                 Message message = (Message) messages.nextElement();
115                 if (message instanceof TextMessage) {
116                     TextMessage text = (TextMessage) message;
117                     System.out.println("Browsed: " + text.getText());
118                 } else if (message != null) {
119                     System.out.println("Browsed non text message");
120                 }
121             }
122         } catch (JMSException exception) {
123             exception.printStackTrace();
124         } catch (NamingException exception) {
125             exception.printStackTrace();
126         } finally {
127             // close the context
128             if (context != null) {
129                 try {
130                     context.close();
131                 } catch (NamingException exception) {
132                     exception.printStackTrace();
133                 }
134             }
135 
136             // close the connection
137             if (connection != null) {
138                 try {
139                     connection.close();
140                 } catch (JMSException exception) {
141                     exception.printStackTrace();
142                 }
143             }
144         }
145     }
146 }