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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 java.io.IOException;
24  import java.math.BigInteger;
25  
26  import jdbm.helper.Serializer;
27  
28  
29  /**
30   * A custom BigInteger serializer to [de]serialize BigIntegers.
31   * 
32   * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
33   */
34  public class BigIntegerSerializer implements Serializer
35  {
36      private static final long serialVersionUID = 6768192848157685880L;
37  
38  
39      /* (non-Javadoc)
40       * @see jdbm.helper.Serializer#deserialize(byte[])
41       */
42      public Object deserialize( byte[] bigIntBytes ) throws IOException
43      {
44          return new BigInteger( bigIntBytes );
45      }
46  
47  
48      /* (non-Javadoc)
49       * @see jdbm.helper.Serializer#serialize(java.lang.Object)
50       */
51      public byte[] serialize( Object bigInt ) throws IOException
52      {
53          return ( ( BigInteger ) bigInt ).toByteArray();
54      }
55  }