/*
* JasperReports - Free Java Reporting Library.
* Copyright (C) 2001 - 2009 Jaspersoft Corporation. All rights reserved.
* http://www.jaspersoft.com
*
* Unless you have purchased a commercial license agreement from Jaspersoft,
* the following license terms apply:
*
* This program is part of JasperReports.
*
* JasperReports is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* JasperReports is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with JasperReports. If not, see <http://www.gnu.org/licenses/>.
*/
package net.sf.jasperreports.engine.xml;
import net.sf.jasperreports.engine.JRDatasetParameter;
import net.sf.jasperreports.engine.JRDatasetRun;
import net.sf.jasperreports.engine.JRParameter;
import net.sf.jasperreports.engine.design.JRDesignDataset;
import net.sf.jasperreports.engine.design.JRDesignExpression;
import net.sf.jasperreports.engine.design.JRValidationException;
import net.sf.jasperreports.engine.design.JasperDesign;
import org.xml.sax.Attributes;
/**
* @author Lucian Chirita (lucianc@users.sourceforge.net)
* @version $Id: JRDatasetRunParameterExpressionFactory.java 3034 2009-08-27 11:58:04Z teodord $
*/
public class JRDatasetRunParameterExpressionFactory extends JRBaseFactory
{
public Object createObject(Attributes attributes)
{
String valueClassName = Object.class.getName();
JRXmlLoader xmlLoader = (JRXmlLoader) digester.peek(digester.getCount() - 1);
JasperDesign design = (JasperDesign) digester.peek(digester.getCount() - 2);
JRDatasetRun datasetRun = (JRDatasetRun) digester.peek(1);
JRDesignDataset dataset = (JRDesignDataset) design.getDatasetMap().get(datasetRun.getDatasetName());
if (dataset == null)
{
xmlLoader.addError(new JRValidationException("Unknown sub dataset " + datasetRun.getDatasetName(), datasetRun));
}
else
{
JRDatasetParameter runParameter = (JRDatasetParameter) digester.peek();
JRParameter param = (JRParameter) dataset.getParametersMap().get(runParameter.getName());
if (param == null)
{
xmlLoader.addError(new JRValidationException("Unknown parameter " + runParameter.getName() + " in sub dataset " + datasetRun.getDatasetName(), runParameter));
}
else
{
valueClassName = param.getValueClassName();
}
}
JRDesignExpression expression = new JRDesignExpression();
expression.setValueClassName(valueClassName);
return expression;
}
}