net.sf.jasperreports.crosstabs.fill.JRCrosstabExpressionEvaluator Maven / Gradle / Ivy
/*
* JasperReports - Free Java Reporting Library.
* Copyright (C) 2001 - 2016 TIBCO Software Inc. 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 .
*/
package net.sf.jasperreports.crosstabs.fill;
import java.util.Map;
import net.sf.jasperreports.engine.JRException;
import net.sf.jasperreports.engine.JRExpression;
import net.sf.jasperreports.engine.fill.JREvaluator;
import net.sf.jasperreports.engine.fill.JRFillDataset;
import net.sf.jasperreports.engine.fill.JRFillExpressionEvaluator;
import net.sf.jasperreports.engine.fill.JRFillParameter;
import net.sf.jasperreports.engine.fill.JRFillVariable;
import net.sf.jasperreports.engine.type.WhenResourceMissingTypeEnum;
/**
* Expression evaluator used for crosstabs at fill time.
*
* @author Lucian Chirita ([email protected])
*/
public class JRCrosstabExpressionEvaluator implements JRFillExpressionEvaluator
{
public static final String EXCEPTION_MESSAGE_KEY_EVALUATION_TYPE_NOT_SUPPORTED = "crosstabs.evaluation.type.not.supported";
private final JREvaluator evaluator;
private JRFillDataset dataset;
public JRCrosstabExpressionEvaluator(JREvaluator evaluator)
{
this.evaluator = evaluator;
}
@Override
public Object evaluate(JRExpression expression, byte evaluationType) throws JRException
{
if (evaluationType != JRExpression.EVALUATION_DEFAULT)
{
throw
new JRException(
EXCEPTION_MESSAGE_KEY_EVALUATION_TYPE_NOT_SUPPORTED,
(Object[])null
);
}
return evaluator.evaluate(expression);
}
public void init(Map parametersMap,
Map variablesMap, WhenResourceMissingTypeEnum whenResourceMissingType, boolean ignoreNPE) throws JRException
{
evaluator.init(parametersMap, null, variablesMap, whenResourceMissingType, ignoreNPE);
}
public void setFillDataset(JRFillDataset dataset)
{
this.dataset = dataset;
}
@Override
public JRFillDataset getFillDataset()
{
return dataset;
}
}