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1   /*
2    * Copyright 2004-2005 The Apache Software Foundation or its licensors,
3    *                     as applicable.
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  package org.apache.portals.graffito.jcr.persistence.atomictypeconverter.impl;
19  
20  import java.util.Calendar;
21  
22  import javax.jcr.RepositoryException;
23  import javax.jcr.Value;
24  import javax.jcr.ValueFactory;
25  
26  import org.apache.portals.graffito.jcr.exception.IncorrectAtomicTypeException;
27  import org.apache.portals.graffito.jcr.persistence.atomictypeconverter.AtomicTypeConverter;
28  
29  /***
30   * Calendar Type Converter
31   * 
32   * @author <a href="mailto:christophe.lombart@gmail.com">Christophe Lombart</a>
33   * @author <a href='mailto:the_mindstorm[at]evolva[dot]ro'>Alexandru Popescu</a>
34   */
35  public class CalendarTypeConverterImpl implements AtomicTypeConverter
36  {
37  	/***
38  	 * 
39  	 * @see org.apache.portals.graffito.jcr.persistence.atomictypeconverter.AtomicTypeConverter#getValue(java.lang.Object)
40  	 */
41  	public Value getValue(ValueFactory valueFactory, Object propValue)
42  	{
43  		if (propValue == null)
44  		{
45  			return null;
46  		}
47          
48  		return valueFactory.createValue(((Calendar) propValue).getTimeInMillis());
49  	}
50  
51      /***
52       * 
53       * @see org.apache.portals.graffito.jcr.persistence.atomictypeconverter.AtomicTypeConverter#getObject(javax.jcr.Value)
54       */
55  	public Object getObject(Value value)
56  	{
57  		try
58  		{
59  			Calendar calendar = Calendar.getInstance();
60  			calendar.setTimeInMillis(value.getLong());
61  			return calendar;
62  		}
63  		catch (RepositoryException e)
64  		{
65  			throw new IncorrectAtomicTypeException("Impossible to convert the value : " + value.toString(), e);
66  		}
67  	}
68  
69  	/***
70  	 * 
71  	 * @see org.apache.portals.graffito.jcr.persistence.atomictypeconverter.AtomicTypeConverter#getStringValue(java.lang.Object)
72  	 */
73  	public String getStringValue(Object object)
74  	{
75  		Calendar calendar = (Calendar) object;
76      	return new Long(calendar.getTimeInMillis()).toString();		
77  	}
78  }