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1   /*
2    * JDiskCatalog
3    *
4    * Copyright 2007 Przemek Więch
5    *
6    * This file is part of JDiskCatalog.
7    *
8    * JDiskCatalog is free software; you can redistribute it and/or modify
9    * it under the terms of the GNU General Public License as published by
10   * the Free Software Foundation; either version 2 of the License, or
11   * (at your option) any later version.
12   *
13   * This program is distributed in the hope that it will be useful,
14   * but WITHOUT ANY WARRANTY; without even the implied warranty of
15   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16   * GNU General Public License for more details.
17  
18   * You should have received a copy of the GNU General Public License
19   * along with this program; if not, write to the Free Software
20   * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
21   */
22  
23  package net.sf.jdiskcatalog.io;
24  
25  import java.awt.image.BufferedImage;
26  import java.io.IOException;
27  
28  import net.sf.jdiskcatalog.analysis.JpegImage;
29  
30  import com.thoughtworks.xstream.converters.Converter;
31  import com.thoughtworks.xstream.converters.MarshallingContext;
32  import com.thoughtworks.xstream.converters.UnmarshallingContext;
33  import com.thoughtworks.xstream.io.HierarchicalStreamReader;
34  import com.thoughtworks.xstream.io.HierarchicalStreamWriter;
35  
36  class ImageConverter implements Converter
37  {
38  	public void marshal(Object value, HierarchicalStreamWriter writer, MarshallingContext context)
39  	{
40  		JpegImage image;
41  		if (value instanceof BufferedImage)
42  			image = new JpegImage((BufferedImage)value);
43  		else
44  			image = (JpegImage)value;
45  		context.convertAnother(image.getData());
46  	}
47  
48  	public Object unmarshal(HierarchicalStreamReader reader, UnmarshallingContext context)
49  	{
50  		byte[] data = new byte[0];
51  		data = (byte[])context.convertAnother(null, data.getClass());
52  		try
53  		{
54  			return new JpegImage(data);
55  		}
56  		catch (IOException e)
57  		{
58  			e.printStackTrace();
59  			return null;
60  		}
61  	}
62  
63  	public boolean canConvert(Class clazz)
64  	{
65  		return (clazz == BufferedImage.class || clazz == JpegImage.class);
66  	}
67  
68  }