1 | /* |
2 | * @(#) $Id: AddMessageDecoder.java 264677 2005-08-30 02:44:35Z trustin $ |
3 | * |
4 | * Copyright 2004 The Apache Software Foundation |
5 | * |
6 | * Licensed under the Apache License, Version 2.0 (the "License"); |
7 | * you may not use this file except in compliance with the License. |
8 | * You may obtain a copy of the License at |
9 | * |
10 | * http://www.apache.org/licenses/LICENSE-2.0 |
11 | * |
12 | * Unless required by applicable law or agreed to in writing, software |
13 | * distributed under the License is distributed on an "AS IS" BASIS, |
14 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
15 | * See the License for the specific language governing permissions and |
16 | * limitations under the License. |
17 | * |
18 | */ |
19 | package org.apache.mina.examples.sumup.codec; |
20 | |
21 | import org.apache.mina.common.ByteBuffer; |
22 | import org.apache.mina.examples.sumup.message.AbstractMessage; |
23 | import org.apache.mina.examples.sumup.message.AddMessage; |
24 | import org.apache.mina.protocol.ProtocolSession; |
25 | import org.apache.mina.protocol.codec.MessageDecoder; |
26 | |
27 | /** |
28 | * A {@link MessageDecoder} that decodes {@link AddMessage}. |
29 | * |
30 | * @author The Apache Directory Project |
31 | * @version $Rev: 264677 $, $Date: 2005-08-30 11:44:35 +0900 $ |
32 | */ |
33 | public class AddMessageDecoder extends AbstractMessageDecoder |
34 | { |
35 | |
36 | public AddMessageDecoder() |
37 | { |
38 | super( Constants.ADD ); |
39 | } |
40 | |
41 | protected AbstractMessage decodeBody( ProtocolSession session, ByteBuffer in ) |
42 | { |
43 | if( in.remaining() < Constants.ADD_BODY_LEN ) |
44 | { |
45 | return null; |
46 | } |
47 | |
48 | AddMessage m = new AddMessage(); |
49 | m.setValue( in.getInt() ); |
50 | return m; |
51 | } |
52 | } |