1 /*
2 * Copyright (c) 2005 The University of Reading
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. Neither the name of the University of Reading, nor the names of the
14 * authors or contributors may be used to endorse or promote products
15 * derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29 package uk.ac.rdg.resc.jstyx.messages;
30
31 import org.apache.mina.common.ByteBuffer;
32 import org.apache.mina.protocol.ProtocolEncoder;
33 import org.apache.mina.protocol.ProtocolEncoderOutput;
34 import org.apache.mina.protocol.ProtocolSession;
35 import org.apache.mina.protocol.ProtocolViolationException;
36
37 import uk.ac.rdg.resc.jstyx.messages.StyxMessage;
38
39 /***
40 * Encoder for StyxMessages, used by MINA framework
41 *
42 * @author Jon Blower
43 * $Revision: 155 $
44 * $Date: 2005-03-16 17:56:24 +0000 (Wed, 16 Mar 2005) $
45 * $Log$
46 * Revision 1.3 2005/03/16 17:56:22 jonblower
47 * Replaced use of java.nio.ByteBuffer with MINA's ByteBuffer to minimise copying of buffers
48 *
49 * Revision 1.2 2005/03/11 14:02:16 jonblower
50 * Merged MINA-Test_20059309 into main line of development
51 *
52 * Revision 1.1.2.2 2005/03/10 18:28:44 jonblower
53 * Made decoder and encoder package-private
54 *
55 * Revision 1.1.2.1 2005/03/10 11:26:49 jonblower
56 * Moved from mina to messages package
57 *
58 * Revision 1.2 2005/03/09 16:58:42 jonblower
59 * Changes to MINA-related classes
60 *
61 * Revision 1.1 2005/03/09 08:52:25 jonblower
62 * Initial import of MINA-related classes
63 *
64 */
65 class StyxMessageEncoder implements ProtocolEncoder
66 {
67 public void encode( ProtocolSession session, Object message,
68 ProtocolEncoderOutput out )
69 throws ProtocolViolationException
70 {
71 if (!(message instanceof StyxMessage))
72 {
73 // This shouldn't happen
74 throw new ProtocolViolationException("message was not a StyxMessage");
75 }
76 StyxMessage styxMsg = (StyxMessage)message;
77 // Write the StyxMessage to the output
78 styxMsg.write(out);
79 }
80 }