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Java > Open Source Codes > org > jboss > axis > transport > jms > SimpleJMSWorker


1 /*
2  * The Apache Software License, Version 1.1
3  *
4  *
5  * Copyright (c) 2001, 2002 The Apache Software Foundation. All rights
6  * reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  *
12  * 1. Redistributions of source code must retain the above copyright
13  * notice, this list of conditions and the following disclaimer.
14  *
15  * 2. Redistributions in binary form must reproduce the above copyright
16  * notice, this list of conditions and the following disclaimer in
17  * the documentation and/or other materials provided with the
18  * distribution.
19  *
20  * 3. The end-user documentation included with the redistribution,
21  * if any, must include the following acknowledgment:
22  * "This product includes software developed by the
23  * Apache Software Foundation (http://www.apache.org/)."
24  * Alternately, this acknowledgment may appear in the software itself,
25  * if and wherever such third-party acknowledgments normally appear.
26  *
27  * 4. The names "Axis" and "Apache Software Foundation" must
28  * not be used to endorse or promote products derived from this
29  * software without prior written permission. For written
30  * permission, please contact apache@apache.org.
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32  * 5. Products derived from this software may not be called "Apache",
33  * nor may "Apache" appear in their name, without prior written
34  * permission of the Apache Software Foundation.
35  *
36  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
37  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
38  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
39  * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
40  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
41  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
42  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
43  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
44  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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46  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
47  * SUCH DAMAGE.
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50  * This software consists of voluntary contributions made by many
51  * individuals on behalf of the Apache Software Foundation. For more
52  * information on the Apache Software Foundation, please see
53  * <http://www.apache.org/>.
54  */

55
56 package org.jboss.axis.transport.jms;
57
58 import org.jboss.axis.AxisFault;
59 import org.jboss.axis.Message;
60 import org.jboss.axis.MessageContext;
61 import org.jboss.axis.server.AxisServer;
62 import org.jboss.axis.utils.Messages;
63 import org.jboss.logging.Logger;
64
65 import javax.jms.BytesMessage JavaDoc;
66 import javax.jms.Destination JavaDoc;
67 import java.io.ByteArrayInputStream JavaDoc;
68 import java.io.ByteArrayOutputStream JavaDoc;
69 import java.io.InputStream JavaDoc;
70
71 /**
72  * SimpleJMSWorker is a worker thread that processes messages that are
73  * received by SimpleJMSListener. It creates a new message context, invokes
74  * the server, and sends back response msg to the replyTo destination.
75  *
76  * @author Jaime Meritt (jmeritt@sonicsoftware.com)
77  * @author Richard Chung (rchung@sonicsoftware.com)
78  * @author Dave Chappell (chappell@sonicsoftware.com)
79  */

80 public class SimpleJMSWorker implements Runnable JavaDoc
81 {
82    protected static Logger log = Logger.getLogger(SimpleJMSWorker.class);
83
84    SimpleJMSListener listener;
85    BytesMessage JavaDoc message;
86
87    public SimpleJMSWorker(SimpleJMSListener listener, BytesMessage JavaDoc message)
88    {
89       this.listener = listener;
90       this.message = message;
91    }
92
93    /**
94     * This is where the incoming message is processed.
95     */

96    public void run()
97    {
98       InputStream JavaDoc in = null;
99       try
100       {
101          // get the incoming msg content into a byte array
102
byte[] buffer = new byte[8 * 1024];
103          ByteArrayOutputStream JavaDoc out = new ByteArrayOutputStream JavaDoc();
104          for (int bytesRead = message.readBytes(buffer);
105               bytesRead != -1; bytesRead = message.readBytes(buffer))
106          {
107             out.write(buffer, 0, bytesRead);
108          }
109          in = new ByteArrayInputStream JavaDoc(out.toByteArray());
110       }
111       catch (Exception JavaDoc e)
112       {
113          log.error(Messages.getMessage("exception00"), e);
114          e.printStackTrace();
115          return;
116       }
117
118       // create the msg and context and invoke the server
119
AxisServer server = listener.getAxisServer();
120       Message msg = new Message(in);
121       MessageContext msgContext = new MessageContext(server);
122       msgContext.setRequestMessage(msg);
123       try
124       {
125          server.invoke(msgContext);
126          msg = msgContext.getResponseMessage();
127       }
128       catch (AxisFault af)
129       {
130          msg = new Message(af);
131          msg.setMessageContext(msgContext);
132       }
133       catch (Exception JavaDoc e)
134       {
135          msg = new Message(new AxisFault(e.toString()));
136          msg.setMessageContext(msgContext);
137       }
138
139       try
140       {
141          // now we need to send the response
142
Destination JavaDoc destination = message.getJMSReplyTo();
143          if (destination == null)
144             return;
145          JMSEndpoint replyTo = listener.getConnector().createEndpoint(destination);
146          ByteArrayOutputStream JavaDoc out = new ByteArrayOutputStream JavaDoc();
147          msg.writeTo(out);
148          replyTo.send(out.toByteArray());
149       }
150       catch (Exception JavaDoc e)
151       {
152          e.printStackTrace();
153       }
154
155       if (msgContext.getProperty(msgContext.QUIT_REQUESTED) != null)
156       // why then, quit!
157
try
158          {
159             listener.shutdown();
160          }
161          catch (Exception JavaDoc e)
162          {
163          }
164    }
165 }
166
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