net.sf.jasperreports.engine.part.FillPart Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of jasperreports Show documentation
Show all versions of jasperreports Show documentation
Free Java Reporting Library
/*
* JasperReports - Free Java Reporting Library.
* Copyright (C) 2001 - 2019 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.part;
import net.sf.jasperreports.engine.JRException;
import net.sf.jasperreports.engine.JRExpression;
import net.sf.jasperreports.engine.JRPart;
import net.sf.jasperreports.engine.JasperReportsContext;
import net.sf.jasperreports.engine.component.ComponentKey;
import net.sf.jasperreports.engine.fill.JRFillExpressionEvaluator;
import net.sf.jasperreports.engine.fill.JRFillObjectFactory;
import net.sf.jasperreports.engine.fill.PartReportFiller;
/**
* @author Lucian Chirita ([email protected])
*/
public class FillPart
{
private JRPart reportPart;
private JRFillExpressionEvaluator expressionEvaluator;
private PartReportFiller reportFiller;
private PartFillComponent fillComponent;
private String partName;
public FillPart(JRPart part, JRFillObjectFactory fillFactory)
{
this.reportPart = part;
this.expressionEvaluator = fillFactory.getExpressionEvaluator();
reportFiller = (PartReportFiller) fillFactory.getReportFiller();//FIXMEBOOK
ComponentKey componentKey = part.getComponentKey();
PartComponent component = part.getComponent();
JasperReportsContext jasperReportsContext = fillFactory.getReportFiller().getJasperReportsContext();
PartComponentsEnvironment partsEnv = PartComponentsEnvironment.getInstance(jasperReportsContext);
PartComponentManager componentManager = partsEnv.getManager(componentKey);
PartComponentFillFactory componentFactory = componentManager.getComponentFillFactory(jasperReportsContext);
//fillFactory.trackDatasetRuns();FIXMEBOOK
this.fillComponent = componentFactory.toFillComponent(component, fillFactory);
fillComponent.initialize(new Context());
}
public void fill(byte evaluation, PartPrintOutput output) throws JRException
{
boolean toPrint = evaluatePrintWhenExpression(evaluation);
if (!toPrint)
{
return;
}
evaluatePartNameExpression(evaluation);
fillComponent.evaluate(evaluation);
fillComponent.fill(output);
}
protected boolean evaluatePrintWhenExpression(byte evaluation) throws JRException
{
JRExpression expression = reportPart.getPrintWhenExpression();
boolean result;
if (expression == null)
{
result = true;
}
else
{
Boolean expressionResult = (Boolean) expressionEvaluator.evaluate(expression, evaluation);
result = expressionResult != null && expressionResult;
}
return result;
}
protected void evaluatePartNameExpression(byte evaluation) throws JRException
{
JRExpression expression = reportPart.getPartNameExpression();
partName = expression == null ? null : (String) expressionEvaluator.evaluate(expression, evaluation);
}
public PartEvaluationTime getEvaluationTime()
{
PartEvaluationTime evaluationTime = reportPart.getEvaluationTime();
return evaluationTime == null ? StandardPartEvaluationTime.EVALUATION_NOW : evaluationTime;
}
public String getPartName()
{
return partName;
}
protected class Context implements PartFillContext
{
@Override
public JRPart getPart()
{
return reportPart;
}
@Override
public FillPart getFillPart()
{
return FillPart.this;
}
@Override
public PartReportFiller getFiller()
{
return reportFiller;
}
@Override
public Object evaluate(JRExpression expression, byte evaluation) throws JRException
{
return reportFiller.evaluateExpression(expression, evaluation);
}
}
}