01: /*
02: * ============================================================================
03: * GNU Lesser General Public License
04: * ============================================================================
05: *
06: * JasperReports - Free Java report-generating library.
07: * Copyright (C) 2001-2006 JasperSoft Corporation http://www.jaspersoft.com
08: *
09: * 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;
31:
32: import net.sf.jasperreports.engine.JRConstants;
33:
34: import org.jfree.chart.labels.StandardXYItemLabelGenerator;
35: import org.jfree.data.time.TimePeriodValuesCollection;
36: import org.jfree.data.xy.XYDataset;
37:
38: /**
39: * @author Teodor Danciu (teodord@users.sourceforge.net)
40: * @version $Id: TimePeriodDatasetLabelGenerator.java 1229 2006-04-19 10:27:35Z teodord $
41: */
42: public class TimePeriodDatasetLabelGenerator extends
43: StandardXYItemLabelGenerator {
44: private static final long serialVersionUID = JRConstants.SERIAL_VERSION_UID;
45:
46: private Map labelsMap = null;
47:
48: public TimePeriodDatasetLabelGenerator(Map labelsMap) {
49: this .labelsMap = labelsMap;
50: }
51:
52: public String generateLabel(XYDataset dataset, int series, int item) {
53: Comparable seriesName = dataset.getSeriesKey(series);
54: Map labels = (Map) labelsMap.get(seriesName);
55: if (labels != null) {
56: return (String) labels
57: .get(((TimePeriodValuesCollection) dataset)
58: .getSeries(series).getTimePeriod(item));
59: }
60: return super.generateLabel(dataset, series, item);
61: }
62: }
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