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.engine.xml;
29:
30: import net.sf.jasperreports.engine.JRVariable;
31: import net.sf.jasperreports.engine.design.JRDesignSubreportReturnValue;
32: import net.sf.jasperreports.engine.design.JRValidationException;
33: import net.sf.jasperreports.engine.design.JasperDesign;
34:
35: import org.xml.sax.Attributes;
36:
37: /**
38: * Factory class for {@link net.sf.jasperreports.engine.JRSubreportReturnValue JRSubreportReturnValue}
39: * creation.
40: *
41: * @author Lucian Chirita (lucianc@users.sourceforge.net)
42: * @version $Id: JRSubreportReturnValueFactory.java 1810 2007-08-13 11:14:41Z teodord $
43: */
44: public class JRSubreportReturnValueFactory extends JRBaseFactory {
45:
46: /**
47: * Creates an object from a subreport copied value XML element.
48: *
49: * @param atts the element attributes
50: * @return a {@link JRDesignSubreportReturnValue JRDesignSubreportReturnValue} object
51: */
52: public Object createObject(Attributes atts) {
53: JRXmlLoader xmlLoader = (JRXmlLoader) digester.peek(digester
54: .getCount() - 1);
55: JasperDesign design = (JasperDesign) digester.peek(digester
56: .getCount() - 2);
57:
58: JRDesignSubreportReturnValue returnValue = new JRDesignSubreportReturnValue();
59:
60: String variableName = atts
61: .getValue(JRXmlConstants.ATTRIBUTE_toVariable);
62: JRVariable variable = (JRVariable) design.getVariablesMap()
63: .get(variableName);
64: if (variable == null) {
65: xmlLoader.addError(new JRValidationException(
66: "Unknown variable " + variableName, returnValue));
67: }
68:
69: returnValue.setSubreportVariable(atts
70: .getValue(JRXmlConstants.ATTRIBUTE_subreportVariable));
71: returnValue.setToVariable(variableName);
72:
73: Byte calculation = (Byte) JRXmlConstants
74: .getCalculationMap()
75: .get(
76: atts
77: .getValue(JRXmlConstants.ATTRIBUTE_calculation));
78: if (calculation != null) {
79: returnValue.setCalculation(calculation.byteValue());
80: }
81:
82: String incrementerFactoryClass = atts
83: .getValue(JRXmlConstants.ATTRIBUTE_incrementerFactoryClass);
84: if (incrementerFactoryClass != null) {
85: returnValue
86: .setIncrementerFactoryClassName(incrementerFactoryClass);
87: }
88:
89: return returnValue;
90: }
91:
92: }
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