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Java > Open Source Codes > org > apache > ojb > broker > accesslayer > conversions > Calendar2DateFieldConversion


1 package org.apache.ojb.broker.accesslayer.conversions;
2
3 /* Copyright 2004-2005 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.sql.Date JavaDoc;
19 import java.util.Calendar JavaDoc;
20 import java.util.GregorianCalendar JavaDoc;
21
22 /**
23  * This implementation of the {@link FieldConversion} interface converts
24  * between {@link java.util.Calendar} and {@link java.sql.Date}. When
25  * convert sql to java always a {@link java.util.GregorianCalendar}
26  * object is returned.
27  *
28  * @author Guillaume Nodet
29  * @version $Id: Calendar2DateFieldConversion.java,v 1.2.2.1 2005/12/21 22:23:38 tomdz Exp $
30  */

31 public class Calendar2DateFieldConversion implements FieldConversion
32 {
33     /**
34      * @see FieldConversion#javaToSql(Object)
35      */

36     public Object JavaDoc javaToSql(Object JavaDoc source)
37     {
38         if (source instanceof Calendar JavaDoc)
39         {
40             // only valid >= JDK 1.4
41
// return new Date(((Calendar) source).getTimeInMillis());
42
return new Date JavaDoc(((Calendar JavaDoc) source).getTime().getTime());
43         }
44         else
45         {
46             return source;
47         }
48     }
49
50     /**
51      * @see FieldConversion#sqlToJava(Object)
52      */

53     public Object JavaDoc sqlToJava(Object JavaDoc source)
54     {
55         if (source instanceof Date JavaDoc)
56         {
57             GregorianCalendar JavaDoc cal = new GregorianCalendar JavaDoc();
58             cal.setTime(((Date JavaDoc) source));
59             return cal;
60         }
61         else
62         {
63             return source;
64         }
65     }
66 }
67
68
69
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