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Java > Open Source Codes > net > sf > jasperreports > engine > xml > JRPrintImageSourceObject


1 /*
2  * ============================================================================
3  * GNU Lesser General Public License
4  * ============================================================================
5  *
6  * JasperReports - Free Java report-generating library.
7  * Copyright (C) 2001-2006 JasperSoft Corporation http://www.jaspersoft.com
8  *
9  * This library is free software; you can redistribute it and/or
10  * modify it under the terms of the GNU Lesser General Public
11  * License as published by the Free Software Foundation; either
12  * version 2.1 of the License, or (at your option) any later version.
13  *
14  * This library is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17  * Lesser General Public License for more details.
18  *
19  * You should have received a copy of the GNU Lesser General Public
20  * License along with this library; if not, write to the Free Software
21  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
22  *
23  * JasperSoft Corporation
24  * 303 Second Street, Suite 450 North
25  * San Francisco, CA 94107
26  * http://www.jaspersoft.com
27  */
28 package net.sf.jasperreports.engine.xml;
29
30 import java.io.ByteArrayInputStream JavaDoc;
31 import java.io.ByteArrayOutputStream JavaDoc;
32
33 import net.sf.jasperreports.engine.JRException;
34 import net.sf.jasperreports.engine.JRImage;
35 import net.sf.jasperreports.engine.JRImageRenderer;
36 import net.sf.jasperreports.engine.JRPrintImage;
37
38 import org.w3c.tools.codec.Base64Decoder;
39
40
41 /**
42  * @author Teodor Danciu (teodord@users.sourceforge.net)
43  * @version $Id: JRPrintImageSourceObject.java 1507 2006-11-27 17:12:17 +0200 (Mon, 27 Nov 2006) teodord $
44  */
45 public class JRPrintImageSourceObject
46 {
47
48
49     /**
50      *
51      */
52     private JRPrintImage printImage = null;
53
54     /**
55      *
56      */
57     private boolean isEmbedded = false;
58
59
60     /**
61      *
62      */
63     public void setPrintImage(JRPrintImage printImage)
64     {
65         this.printImage = printImage;
66     }
67     
68
69     /**
70      *
71      */
72     public void setEmbedded(boolean isEmbedded)
73     {
74         this.isEmbedded = isEmbedded;
75     }
76     
77
78     /**
79      *
80      */
81     public void setImageSource(String JavaDoc imageSource) throws JRException
82     {
83         if (isEmbedded)
84         {
85             try
86             {
87                 ByteArrayInputStream JavaDoc bais = new ByteArrayInputStream JavaDoc(imageSource.getBytes("UTF-8"));//FIXMENOW other encodings ?
88 ByteArrayOutputStream JavaDoc baos = new ByteArrayOutputStream JavaDoc();
89                 
90                 Base64Decoder decoder = new Base64Decoder(bais, baos);
91                 decoder.process();
92                 
93                 printImage.setRenderer(JRImageRenderer.getInstance(baos.toByteArray(), JRImage.ON_ERROR_TYPE_ERROR));
94             }
95             catch (Exception JavaDoc e)
96             {
97                 throw new JRException("Error decoding embedded image.", e);
98             }
99         }
100         else
101         {
102             printImage.setRenderer(
103                 JRImageRenderer.getInstance(
104                     imageSource,
105                     printImage.getOnErrorType()
106                     )
107                 );
108         }
109     }
110     
111
112 }
113
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