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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.io.InputStream;
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   * 
31   * Binary Type Converter
32   * 
33   * @author <a href="mailto:christophe.lombart@gmail.com">Christophe Lombart</a>
34   * @author <a href='mailto:the_mindstorm[at]evolva[dot]ro'>Alexandru Popescu</a>
35   */
36  public class BinaryTypeConverterImpl implements AtomicTypeConverter
37  {
38  	/***
39  	 * 
40  	 * @see org.apache.portals.graffito.jcr.persistence.atomictypeconverter.AtomicTypeConverter#getValue(java.lang.Object)
41  	 */
42      public Value getValue(ValueFactory valueFactory, Object propValue)
43      {
44          if (propValue == null)
45          {
46              return null;
47          }
48          return valueFactory.createValue((InputStream) propValue);
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  		    return value.getStream();
60  		}
61  		catch (RepositoryException e)
62  		{
63  			throw new IncorrectAtomicTypeException("Impossible to convert the value : " + value.toString()  , e);
64  		}
65      }
66  
67  
68      /***
69       * 
70       * @see org.apache.portals.graffito.jcr.persistence.atomictypeconverter.AtomicTypeConverter#getStringValue(java.lang.Object)
71       */
72  	public String getStringValue(Object object)
73  	{		
74  		throw new IncorrectAtomicTypeException("Binary cannot be convert into string");
75  	}
76  }