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Java > Open Source Codes > net > sf > jasperreports > engine > JRChartCustomizer


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
29 /*
30  * Contributors:
31  * Michael McMahon - Michael.McMahon@activewire.net
32  */
33
34 package net.sf.jasperreports.engine;
35
36 import org.jfree.chart.JFreeChart;
37
38 /**
39  * This interface allows users to provide pluggable chart customizers. A class that implements this interface can
40  * be defined and its name must be specified in the report template. At fill time, the corresponding <i>customize()</i>
41  * method of this class will be called, if advanced chart customization is needed.
42  * <p/>
43  * If values of report parameters, variables or fields are needed in the customization, the customizer implementation
44  * should extend {@link net.sf.jasperreports.engine.JRAbstractChartCustomizer JRAbstractChartCustomizer}
45  * to gain access to such values.
46  *
47  * @author Michael McMahon (Michael.McMahon@activewire.net)
48  * @version $Id: JRChartCustomizer.java 1229 2006-04-19 13:27:35 +0300 (Wed, 19 Apr 2006) teodord $
49  */
50 public interface JRChartCustomizer {
51
52     /**
53      * This method is called at fill time, before the chart is rendered.
54      * @param chart the JFreeChart object, which can be accessed and modified
55      * @param jasperChart the JasperReports version of the chart, containing data that might be needed in
56      * customization
57      */
58     public void customize(JFreeChart chart, JRChart jasperChart);
59
60 }
61
62
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