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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.directory.server.core.partition.impl.btree.jdbm;
21  
22  
23  import org.apache.directory.server.core.avltree.Marshaller;
24  
25  import java.io.IOException;
26  
27  import jdbm.helper.Serializer;
28  
29  
30  /**
31   * A Marshaller which adapts a JDBM Serializer.
32   *
33   * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
34   * @version $Rev$
35   */
36  public class MarshallerSerializerBridge<E> implements Marshaller<E>
37  {
38      /** the wrapped serializer */
39      private final Serializer serializer;
40  
41  
42      /**
43       *
44       * @param serializer the JDBM Serializer to wrap
45       */
46      public MarshallerSerializerBridge( Serializer serializer )
47      {
48          if ( serializer == null )
49          {
50              throw new NullPointerException( "serializer" );
51          }
52          this.serializer = serializer;
53      }
54  
55  
56      /**
57       * @see Marshaller#serialize(Object)
58       */
59      public byte[] serialize( E object ) throws IOException
60      {
61          return serializer.serialize( object );
62      }
63  
64  
65      /**
66       * @see Marshaller#deserialize(byte[])
67       */
68      @SuppressWarnings({"unchecked"})
69      public E deserialize( byte[] bytes ) throws IOException
70      {
71          return ( E ) serializer.deserialize( bytes );
72      }
73  }