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 2002 (C) Exoffice Technologies Inc. All Rights Reserved.
42 *
43 * $Id: Importer.java,v 1.4 2001/11/20 20:56:28 tima Exp $
44 */
45
46 package org.exolab.jms.tools.migration.proxy;
47
48 import java.io.ByteArrayInputStream;
49 import java.io.ByteArrayOutputStream;
50 import java.io.IOException;
51 import java.io.ObjectInputStream;
52 import java.io.ObjectOutputStream;
53 import java.sql.SQLException;
54 import java.util.ArrayList;
55 import java.util.Iterator;
56
57 import javax.jms.JMSException;
58 import javax.jms.Message;
59 import javax.jms.MessageEOFException;
60 import javax.jms.StreamMessage;
61
62 import org.exolab.jms.message.StreamMessageImpl;
63
64
65 class StreamMessageHandler extends BlobMessageHandler {
66
67 public StreamMessageHandler(Context context) {
68 super(context);
69 }
70
71 public Message get(String messageId) throws JMSException, SQLException {
72 StreamMessage result = new StreamMessageImpl();
73 get(messageId, result);
74 byte[] blob = getBlob(messageId);
75 if (blob == null) {
76 throw new SQLException("Failed to locate StreamMessage content, " +
77 "JMSMessageID=" + messageId);
78 }
79 ByteArrayInputStream byteStream = new ByteArrayInputStream(blob);
80 try {
81 ObjectInputStream stream = new ObjectInputStream(byteStream);
82 ArrayList objects = (ArrayList) stream.readObject();
83 Iterator iterator = objects.iterator();
84 while (iterator.hasNext()) {
85 Object value = iterator.next();
86 result.writeObject(value);
87 }
88 } catch (Exception exception) {
89 throw new JMSException(exception.getMessage());
90 }
91
92 return result;
93 }
94
95 public void put(Message message) throws JMSException, SQLException {
96 super.put(message, StreamMessage.class.getName());
97
98 StreamMessage streamMessage = (StreamMessage) message;
99
100 ByteArrayOutputStream byteStream = new ByteArrayOutputStream(8192);
101 ObjectOutputStream stream;
102
103 try {
104 stream = new ObjectOutputStream(byteStream);
105 } catch (IOException exception) {
106 throw new JMSException(exception.getMessage());
107 }
108
109 ArrayList objects = new ArrayList();
110 while (true) {
111 try {
112 Object value = streamMessage.readObject();
113 objects.add(value);
114 } catch (MessageEOFException exception) {
115 break;
116 }
117 }
118
119 try {
120 stream.writeObject(objects);
121 stream.close();
122 } catch (IOException exception) {
123 throw new JMSException(exception.getMessage());
124 }
125 byte[] blob = byteStream.toByteArray();
126 putBlob(message.getJMSMessageID(), blob);
127 }
128
129 } //-- StreamMessageHandler
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