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Java > Open Source Codes > net > sf > jasperreports > charts > xml > JRTimeSeriesDatasetFactory


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.xml;
29
30
31 import net.sf.jasperreports.charts.design.JRDesignTimeSeriesDataset;
32 import net.sf.jasperreports.engine.design.JRDesignChart;
33 import net.sf.jasperreports.engine.xml.JRBaseFactory;
34 import net.sf.jasperreports.engine.xml.JRXmlConstants;
35
36 import org.xml.sax.Attributes JavaDoc;
37
38 /**
39  * @author Flavius Sana (flavius_sana@users.sourceforge.net)
40  * @version $Id: JRTimeSeriesDatasetFactory.java 1229 2006-04-19 13:27:35 +0300 (Wed, 19 Apr 2006) teodord $
41  */
42 public class JRTimeSeriesDatasetFactory extends JRBaseFactory {
43     
44     private static final String JavaDoc ATTRIBUTE_timePeriod = "timePeriod";
45     
46     /**
47      *
48      */
49     public Object JavaDoc createObject( Attributes JavaDoc attrs ){
50         JRDesignChart chart = (JRDesignChart)digester.peek();
51         
52         JRDesignTimeSeriesDataset dataset = null;
53         
54         if( chart.getDataset() == null ){
55             dataset = new JRDesignTimeSeriesDataset( chart.getDataset() );
56         }
57         else {
58             dataset = (JRDesignTimeSeriesDataset)chart.getDataset();
59         }
60         
61
62         String JavaDoc timePeriod = attrs.getValue( ATTRIBUTE_timePeriod );
63         if( timePeriod != null && timePeriod.length() > 0 ){
64             dataset.setTimePeriod( JRXmlConstants.getTimePeriod( timePeriod ));
65         }
66         
67         
68         chart.setDataset( dataset );
69         
70         return dataset;
71     }
72 }
73
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