Object2ByteArrUncompressedFieldConversion


1   package org.apache.ojb.broker.accesslayer.conversions;
2   
3   /* Copyright 2002-2005 The Apache Software Foundation
4    *
5    * Licensed under the Apache License, Version 2.0 (the "License");
6    * you may not use this file except in compliance with the License.
7    * You may obtain a copy of the License at
8    *
9    *     http://www.apache.org/licenses/LICENSE-2.0
10   *
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS,
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   * See the License for the specific language governing permissions and
15   * limitations under the License.
16   */
17  
18  import java.io.Serializable  ;
19  
20  import org.apache.commons.lang.SerializationUtils;
21  
22  /**
23   * This implementation of the FieldConversion interface converts
24   * between java.lang.Objects values and byte[] values in the rdbms.
25   * This conversion is useful to store serialized objects in database
26   * columns.
27   */
28  public class Object2ByteArrUncompressedFieldConversion implements FieldConversion
29  {
30  
31      /*
32       * @see FieldConversion#javaToSql(Object)
33       */
34      public Object   javaToSql(Object   source)
35      {
36          if (source == null)
37              return null;
38          try
39          {
40              return SerializationUtils.serialize((Serializable  ) source);
41          }
42          catch(Throwable   t)
43          {
44              throw new ConversionException(t);
45          }
46      }
47  
48      /*
49       * @see FieldConversion#sqlToJava(Object)
50       */
51      public Object   sqlToJava(Object   source)
52      {
53          if(source == null)
54              return null;
55          try
56          {
57              return SerializationUtils.deserialize((byte[]) source);
58          }
59          catch(Throwable   t)
60          {
61              throw new ConversionException(t);
62          }
63      }
64  
65  }
66

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