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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 info@exolab.org.
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 2003 (C) Exoffice Technologies Inc. All Rights Reserved.
42   *
43   * $Id: StreamMessageConverter.java,v 1.1 2004/11/26 01:50:43 tanderson Exp $
44   */
45  
46  package org.exolab.jms.message;
47  
48  import javax.jms.JMSException;
49  import javax.jms.Message;
50  import javax.jms.MessageEOFException;
51  import javax.jms.StreamMessage;
52  
53  
54  /***
55   * Convert a <code>StreamMessage</code> instance to its OpenJMS equivalent
56   *
57   * @version     $Revision: 1.1 $ $Date: 2004/11/26 01:50:43 $
58   * @author      <a href="mailto:tma@netspace.net.au">Tim Anderson</a>
59   * @see         MessageConverterFactory
60   */
61  class StreamMessageConverter extends AbstractMessageConverter {
62  
63      /***
64       * Construct an OpenJMS implementation of a message
65       *
66       * @return the OpenJMS implementation of the message
67       * @throws JMSException if the message cannot be created
68       */
69      protected Message create() throws JMSException {
70          return new StreamMessageImpl();
71      }
72  
73      /***
74       * Populate an OpenJMS message from another message of the same type
75       *
76       * @param source the message to convert
77       * @param target the message to populate
78       * @throws JMSException for any error
79       */
80      protected void populate(Message source, Message target) 
81          throws JMSException {
82          StreamMessage from = (StreamMessage) source;
83          StreamMessage to = (StreamMessage) target;
84  
85          // populate header
86          super.populate(from, to);
87  
88          // populate body
89          from.reset();  // make sure the message can be read
90          try {
91              while (true) {
92                  Object object = from.readObject();
93                  to.writeObject(object);
94              }
95          } catch (MessageEOFException ignore) {
96              // all done
97          }
98      }
99  }