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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.codec.delimited.serialization;
21  
22  import java.io.ObjectInputStream;
23  import java.io.Serializable;
24  
25  import org.apache.mina.codec.IoBuffer;
26  import org.apache.mina.codec.ProtocolDecoderException;
27  import org.apache.mina.codec.delimited.IoBufferDecoder;
28  
29  /**
30   * Decoder providing the built-in Java-deserialization.
31   * 
32   * @author <a href="http://mina.apache.org">Apache MINA Project</a>
33   */
34  public class JavaNativeMessageDecoder<IN extends Serializable> extends IoBufferDecoder<IN> {
35  
36      @SuppressWarnings("unchecked")
37      @Override
38      public IN decode(final IoBuffer input) {
39          try {
40              ObjectInputStream ois = new ObjectInputStream(input.asInputStream());
41              IN s = (IN) ois.readObject();
42              ois.close();
43              return s;
44          } catch (Exception ex) {
45              throw new ProtocolDecoderException(ex);
46          }
47      }
48  }