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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 2005 (C) Exoffice Technologies Inc. All Rights Reserved.
42   *
43   * $Id: MapMessageHandler.java,v 1.1 2005/09/04 07:07:12 tanderson Exp $
44   */
45  package org.exolab.jms.tools.migration.proxy;
46  
47  import java.sql.Connection;
48  import java.util.Enumeration;
49  import java.util.HashMap;
50  import java.util.Iterator;
51  import java.util.Map;
52  import javax.jms.JMSException;
53  import javax.jms.MapMessage;
54  import javax.jms.Message;
55  
56  import org.exolab.jms.message.MapMessageImpl;
57  import org.exolab.jms.persistence.PersistenceException;
58  
59  
60  /***
61   * Handler for messages of type <code>javax.jms.MapMessage</code>.
62   *
63   * @author <a href="mailto:tma@netspace.net.au">Tim Anderson</a>
64   * @version $Revision: 1.1 $ $Date: 2005/09/04 07:07:12 $
65   */
66  class MapMessageHandler extends AbstractMessageHandler {
67  
68      /***
69       * Construct a new <code>MapMessageHandler</code>.
70       *
71       * @param destinations the destination store
72       * @param connection   the database connection
73       */
74      public MapMessageHandler(DestinationStore destinations,
75                               Connection connection) {
76          super(destinations, connection);
77      }
78  
79      /***
80       * Returns the type of message that this handler supports.
81       *
82       * @return the type of message
83       */
84      protected String getType() {
85          return "MapMessage";
86      }
87  
88      /***
89       * Create a new message.
90       *
91       * @return a new message
92       * @throws JMSException for any JMS error
93       */
94      protected Message newMessage() throws JMSException {
95          return new MapMessageImpl();
96      }
97  
98      /***
99       * Populate the message body.
100      *
101      * @param body    the message body
102      * @param message the message to populate
103      * @throws JMSException         for any JMS error
104      * @throws PersistenceException for any persistence error
105      */
106     protected void setBody(Object body, Message message) throws JMSException,
107             PersistenceException {
108         MapMessage map = (MapMessage) message;
109         if (body != null) {
110             if (!(body instanceof Map)) {
111                 throw new JMSException(
112                         "Expected Map body for MapMessage with JMSMessageID="
113                         + message.getJMSMessageID()
114                         + " but got type "
115                         + body.getClass().getName());
116             }
117             Map properties = (Map) body;
118             Iterator iterator = properties.entrySet().iterator();
119             while (iterator.hasNext()) {
120                 Map.Entry entry = (Map.Entry) iterator.next();
121                 String name = (String) entry.getKey();
122                 Object value = entry.getValue();
123                 map.setObject(name, value);
124             }
125         }
126     }
127 
128     /***
129      * Returns the body of the message.
130      *
131      * @param message the message
132      * @return the body of the message
133      * @throws JMSException for any JMS error
134      */
135     protected Object getBody(Message message) throws JMSException {
136         MapMessage map = (MapMessage) message;
137         HashMap properties = new HashMap();
138 
139         Enumeration iterator = map.getMapNames();
140         while (iterator.hasMoreElements()) {
141             String name = (String) iterator.nextElement();
142             properties.put(name, map.getObject(name));
143         }
144         return properties;
145     }
146 
147 }