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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.filter.codec.netty;
21  
22  import net.gleamynode.netty2.Message;
23  import net.gleamynode.netty2.MessageRecognizer;
24  
25  import org.apache.mina.core.session.IoSession;
26  import org.apache.mina.filter.codec.ProtocolCodecFactory;
27  
28  /**
29   * A MINA <tt>ProtocolCodecFactory</tt> that provides encoder and decoder
30   * for Netty2 {@link Message}s and {@link MessageRecognizer}s.
31   * <p>
32   * Please note that this codec factory assumes one {@link MessageRecognizer}
33   * can be used for multiple sessions.  If not, you'll have to create your
34   * own factory after this factory.
35   *
36   * @author The Apache MINA Project (dev@mina.apache.org)
37   */
38  public class NettyCodecFactory implements ProtocolCodecFactory {
39      private static final NettyEncoder ENCODER = new NettyEncoder();
40  
41      private final MessageRecognizer recognizer;
42  
43      public NettyCodecFactory(MessageRecognizer recognizer) {
44          this.recognizer = recognizer;
45      }
46  
47      public org.apache.mina.filter.codec.ProtocolEncoder getEncoder(IoSession session) {
48          return ENCODER;
49      }
50  
51      public org.apache.mina.filter.codec.ProtocolDecoder getDecoder(IoSession session) {
52          return new NettyDecoder(recognizer);
53      }
54  }