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Java > Open Source Codes > net > sf > jasperreports > charts > util > CategoryLabelGenerator


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.charts.util;
29
30 import java.util.Map JavaDoc;
31
32 import net.sf.jasperreports.engine.JRConstants;
33
34 import org.jfree.chart.labels.StandardCategoryItemLabelGenerator;
35 import org.jfree.data.category.CategoryDataset;
36
37
38 /**
39  * @author Teodor Danciu (teodord@users.sourceforge.net)
40  * @version $Id: CategoryLabelGenerator.java 1229 2006-04-19 13:27:35 +0300 (Wed, 19 Apr 2006) teodord $
41  */
42 public class CategoryLabelGenerator extends StandardCategoryItemLabelGenerator
43 {
44     private static final long serialVersionUID = JRConstants.SERIAL_VERSION_UID;
45     
46     private Map JavaDoc labelsMap = null;
47     
48     public CategoryLabelGenerator(Map JavaDoc labelsMap)
49     {
50         this.labelsMap = labelsMap;
51     }
52
53     public String JavaDoc generateLabel(CategoryDataset dataset, int series, int category)
54     {
55         Comparable JavaDoc seriesName = dataset.getRowKey(series);
56         Map JavaDoc labels = (Map JavaDoc)labelsMap.get(seriesName);
57         if(labels != null)
58         {
59             return (String JavaDoc)labels.get(dataset.getColumnKey(category));
60         }
61         return super.generateLabel(dataset, series, category);
62     }
63 }
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