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.protocol.ProtocolCodecFactory;
32 import org.apache.mina.protocol.ProtocolDecoder;
33 import org.apache.mina.protocol.ProtocolEncoder;
34
35 /***
36 * Codec Factory for the Styx protocol. Only has one static method (getInstance())
37 * for returning the appropriate ProtocolCodecFactory. Used by all ProtocolHandlers.
38 *
39 * @author Jon Blower
40 * $Revision: 136 $
41 * $Date: 2005-03-11 14:02:17 +0000 (Fri, 11 Mar 2005) $
42 * $Log$
43 * Revision 1.2 2005/03/11 14:02:16 jonblower
44 * Merged MINA-Test_20059309 into main line of development
45 *
46 * Revision 1.1.2.1 2005/03/10 18:27:25 jonblower
47 * Initial import
48 *
49 */
50 public class StyxCodecFactory
51 {
52 /***
53 * Singleton object - only one instance is ever needed
54 */
55 private static ProtocolCodecFactory CODEC_FACTORY = new ProtocolCodecFactory()
56 {
57 public ProtocolEncoder newEncoder()
58 {
59 // Create a new encoder.
60 return new StyxMessageEncoder();
61 }
62
63 public ProtocolDecoder newDecoder()
64 {
65 // Create a new decoder.
66 return new StyxMessageDecoder();
67 }
68 };
69
70 /***
71 * @return a ProtocolCodecFactory for the Styx protocol (always the same
72 * object)
73 */
74 public static ProtocolCodecFactory getInstance()
75 {
76 return CODEC_FACTORY;
77 }
78
79 }