GUID2StringFieldConversion


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  import org.apache.ojb.broker.util.GUID;
18  
19  /**
20   * this implementation of the FieldConversion interface converts
21   * between GUIDs and their String representation.
22   * @author Thomas Mahler
23   * @version $Id: GUID2StringFieldConversion.java,v 1.5.2.1 2005/12/21 22:23:38 tomdz Exp $
24   */
25  public class GUID2StringFieldConversion implements FieldConversion
26  {
27  
28      /**
29       * @see FieldConversion#javaToSql(Object)
30       */
31      public Object   javaToSql(Object   source)
32      {
33          if (source instanceof GUID)
34          {
35              GUID guid = (GUID) source;
36              return guid.toString();
37          }
38          return source;
39      }
40  
41      /**
42       * @see FieldConversion#sqlToJava(Object)
43       */
44      public Object   sqlToJava(Object   source)
45      {       
46          if (source instanceof String  )
47          {
48              return new GUID((String  ) source);
49          }
50          return source;
51      }
52  
53  }
54

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