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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  }