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1   /*
2    *   Licensed to the Apache Software Foundation (ASF) under one
3    *   or more contributor license agreements.  See the NOTICE file
4    *   distributed with this work for additional information
5    *   regarding copyright ownership.  The ASF licenses this file
6    *   to you under the Apache License, Version 2.0 (the
7    *   "License"); you may not use this file except in compliance
8    *   with the License.  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,
13   *   software distributed under the License is distributed on an
14   *   "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15   *   KIND, either express or implied.  See the License for the
16   *   specific language governing permissions and limitations
17   *   under the License.
18   *
19   */
20  package org.apache.mina.example.imagine.step1.codec;
21  
22  import org.apache.mina.filter.codec.ProtocolCodecFactory;
23  import org.apache.mina.filter.codec.ProtocolEncoder;
24  import org.apache.mina.filter.codec.ProtocolDecoder;
25  import org.apache.mina.core.session.IoSession;
26  
27  /**
28   * a {@link ProtocolCodecFactory} for the tutorial on how to write a protocol codec
29   *
30   * @author <a href="http://mina.apache.org">Apache MINA Project</a>
31   */
32  
33  public class ImageCodecFactory implements ProtocolCodecFactory {
34      private ProtocolEncoder encoder;
35      private ProtocolDecoder decoder;
36  
37      public ImageCodecFactory(boolean client) {
38          if (client) {
39              encoder = new ImageRequestEncoder();
40              decoder = new ImageResponseDecoder();
41          } else {
42              encoder = new ImageResponseEncoder();
43              decoder = new ImageRequestDecoder();
44          }
45      }
46  
47      public ProtocolEncoder getEncoder(IoSession ioSession) throws Exception {
48          return encoder;
49      }
50  
51      public ProtocolDecoder getDecoder(IoSession ioSession) throws Exception {
52          return decoder;
53      }
54  }