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


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.util.Set JavaDoc;
31
32 import net.sf.jasperreports.engine.JRVariable;
33 import net.sf.jasperreports.engine.design.JRDesignElementDataset;
34 import net.sf.jasperreports.engine.design.JRDesignGroup;
35
36 import org.xml.sax.Attributes JavaDoc;
37
38
39 /**
40  * @author Ionut Nedelcu (ionutned@users.sourceforge.net)
41  * @version $Id: JRElementDatasetFactory.java 1536 2006-12-22 12:34:40 +0200 (Fri, 22 Dec 2006) teodord $
42  */
43 public class JRElementDatasetFactory extends JRBaseFactory
44 {
45
46     public static final String JavaDoc ELEMENT_incrementWhenExpression = "incrementWhenExpression";
47
48     private static final String JavaDoc ATTRIBUTE_resetType = "resetType";
49     private static final String JavaDoc ATTRIBUTE_resetGroup = "resetGroup";
50     private static final String JavaDoc ATTRIBUTE_incrementType = "incrementType";
51     private static final String JavaDoc ATTRIBUTE_incrementGroup = "incrementGroup";
52
53     
54     public Object JavaDoc createObject(Attributes JavaDoc atts)
55     {
56         JRDesignElementDataset dataset = (JRDesignElementDataset) digester.peek();
57
58         setDatasetAtts(atts, dataset);
59
60         return dataset;
61     }
62
63     protected void setDatasetAtts(Attributes JavaDoc atts, JRDesignElementDataset dataset)
64     {
65         JRXmlLoader xmlLoader = (JRXmlLoader)digester.peek(digester.getCount() - 1);
66         Set JavaDoc groupBoundDatasets = xmlLoader.getGroupBoundDatasets();
67         
68         Byte JavaDoc resetType = (Byte JavaDoc)JRXmlConstants.getResetTypeMap().get(atts.getValue(ATTRIBUTE_resetType));
69         if (resetType != null)
70         {
71             dataset.setResetType(resetType.byteValue());
72         }
73         if (dataset.getResetType() == JRVariable.RESET_TYPE_GROUP)
74         {
75             groupBoundDatasets.add(dataset);
76
77             String JavaDoc groupName = atts.getValue(ATTRIBUTE_resetGroup);
78             if (groupName != null)
79             {
80                 JRDesignGroup group = new JRDesignGroup();
81                 group.setName(groupName);
82                 dataset.setResetGroup(group);
83             }
84         }
85
86         Byte JavaDoc incrementType = (Byte JavaDoc)JRXmlConstants.getResetTypeMap().get(atts.getValue(ATTRIBUTE_incrementType));
87         if (incrementType != null)
88         {
89             dataset.setIncrementType(incrementType.byteValue());
90         }
91         if (dataset.getIncrementType() == JRVariable.RESET_TYPE_GROUP)
92         {
93             groupBoundDatasets.add(dataset);
94
95             String JavaDoc groupName = atts.getValue(ATTRIBUTE_incrementGroup);
96             if (groupName != null)
97             {
98                 JRDesignGroup group = new JRDesignGroup();
99                 group.setName(groupName);
100                 dataset.setIncrementGroup(group);
101             }
102         }
103     }
104
105 }
106
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