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Java > Open Source Codes > com > caucho > jms > services > JMSServlet


1 /*
2  * Copyright (c) 1998-2006 Caucho Technology -- all rights reserved
3  *
4  * This file is part of Resin(R) Open Source
5  *
6  * Each copy or derived work must preserve the copyright notice and this
7  * notice unmodified.
8  *
9  * Resin Open Source is free software; you can redistribute it and/or modify
10  * it under the terms of the GNU General Public License as published by
11  * the Free Software Foundation; either version 2 of the License, or
12  * (at your option) any later version.
13  *
14  * Resin Open Source is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
17  * of NON-INFRINGEMENT. See the GNU General Public License for more
18  * details.
19  *
20  * You should have received a copy of the GNU General Public License
21  * along with Resin Open Source; if not, write to the
22  *
23  * Free Software Foundation, Inc.
24  * 59 Temple Place, Suite 330
25  * Boston, MA 02111-1307 USA
26  *
27  * @author Emil Ong
28  */

29
30 package com.caucho.jms.services;
31
32 import com.caucho.jms.util.BytesMessageOutputStream;
33 import com.caucho.vfs.VfsStream;
34 import com.caucho.vfs.WriteStream;
35
36 import javax.jms.*;
37 import javax.servlet.ServletException JavaDoc;
38 import javax.servlet.http.HttpServlet JavaDoc;
39 import javax.servlet.http.HttpServletRequest JavaDoc;
40 import javax.servlet.http.HttpServletResponse JavaDoc;
41 import java.io.IOException JavaDoc;
42 import java.io.InputStream JavaDoc;
43 import java.util.logging.Logger JavaDoc;
44
45 public class JMSServlet extends HttpServlet JavaDoc {
46   private static final Logger JavaDoc log =
47     Logger.getLogger(JMSServlet.class.getName());
48
49   private Connection _jmsConnection;
50   private ConnectionFactory _connectionFactory;
51   private Destination _destination;
52   private MessageProducer _producer;
53   private Session _jmsSession;
54
55   public void setDestination(Destination destination)
56   {
57     _destination = destination;
58   }
59
60   public void setConnectionFactory(ConnectionFactory connectionFactory)
61   {
62     _connectionFactory = connectionFactory;
63   }
64
65   public void init()
66   {
67     try {
68       _jmsConnection = _connectionFactory.createConnection();
69       _jmsSession =
70         _jmsConnection.createSession(false, Session.AUTO_ACKNOWLEDGE);
71       _producer = _jmsSession.createProducer(_destination);
72     } catch (Exception JavaDoc e) {
73       log.fine(e.toString());
74     }
75   }
76
77   public void service(HttpServletRequest JavaDoc request, HttpServletResponse JavaDoc response)
78     throws ServletException JavaDoc, IOException JavaDoc
79   {
80     InputStream JavaDoc is = request.getInputStream();
81
82     try {
83       BytesMessage message = _jmsSession.createBytesMessage();
84
85       BytesMessageOutputStream out = new BytesMessageOutputStream(message);
86       WriteStream ws = VfsStream.openWrite(out);
87
88       ws.writeStream(is);
89
90       ws.flush();
91       out.flush();
92
93       _producer.send(message);
94     } catch (JMSException e) {
95       throw new ServletException JavaDoc(e);
96     }
97   }
98 }
99
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