net.sf.jasperreports.engine.fill.ElementEvaluationAction Maven / Gradle / Ivy
/*
* JasperReports - Free Java Reporting Library.
* Copyright (C) 2001 - 2014 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.engine.fill;
import net.sf.jasperreports.engine.JRException;
import net.sf.jasperreports.engine.JRPrintElement;
import net.sf.jasperreports.engine.type.EvaluationTimeEnum;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
/**
* Delayed evaluation action that evaluates a print element.
*
* @author Lucian Chirita ([email protected])
*/
public class ElementEvaluationAction implements EvaluationBoundAction
{
private static final Log log = LogFactory.getLog(ElementEvaluationAction.class);
protected final JRFillElement element;
protected final JRPrintElement printElement;
public ElementEvaluationAction(JRFillElement element, JRPrintElement printElement)
{
this.element = element;
this.printElement = printElement;
}
@Override
public void execute(BoundActionExecutionContext executionContext) throws JRException
{
if (log.isDebugEnabled())
{
log.debug("resolving element " + printElement + " by " + element
+ " on " + executionContext.getEvaluationTime());
}
JREvaluationTime evaluationTime = executionContext.getEvaluationTime();
if (evaluationTime.getType() == EvaluationTimeEnum.MASTER)
{
int currentPageIndex = executionContext.getCurrentPageIndex();
int totalPages = executionContext.getTotalPages();
element.filler.setMasterPageVariables(currentPageIndex, totalPages);
}
element.resolveElement(printElement,
executionContext.getExpressionEvaluationType(), evaluationTime);
}
@Override
public String toString()
{
return "delayed evaluation {element: " + element
+ ", printElement: " + printElement
+ "}";
}
}