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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.parts.subreport;
import net.sf.jasperreports.engine.JRExpressionCollector;
import net.sf.jasperreports.engine.JRSubreportParameter;
import net.sf.jasperreports.engine.JRSubreportReturnValue;
import net.sf.jasperreports.engine.base.JRBaseObjectFactory;
import net.sf.jasperreports.engine.design.JRVerifier;
import net.sf.jasperreports.engine.part.PartComponent;
import net.sf.jasperreports.engine.part.PartComponentCompiler;
/**
* Compile-time handler of {@link SubreportPartComponent list component} instances.
*
* @author Lucian Chirita ([email protected])
*/
public class SubreportPartComponentCompiler implements PartComponentCompiler
{
@Override
public void collectExpressions(PartComponent component, JRExpressionCollector collector)
{
SubreportPartComponent subreport = (SubreportPartComponent) component;
collector.addExpression(subreport.getParametersMapExpression());
JRSubreportParameter[] parameters = subreport.getParameters();
if (parameters != null && parameters.length > 0)
{
for(int j = 0; j < parameters.length; j++)
{
collector.addExpression(parameters[j].getExpression());
}
}
collector.addExpression(subreport.getExpression());
}
@Override
public PartComponent toCompiledComponent(PartComponent component,
JRBaseObjectFactory baseFactory)
{
SubreportPartComponent subreportComponent = (SubreportPartComponent) component;
StandardSubreportPartComponent compiledComponent = new StandardSubreportPartComponent(
subreportComponent, baseFactory);
return compiledComponent;
}
@Override
public void verify(PartComponent component, JRVerifier verifier)
{
// largely copied from JRVerifier.verifySubreport
SubreportPartComponent subreportComponent = (SubreportPartComponent) component;
JRSubreportParameter[] parameters = subreportComponent.getParameters();
if (parameters != null && parameters.length > 0)
{
for(int index = 0; index < parameters.length; index++)
{
JRSubreportParameter parameter = parameters[index];
if (parameter.getName() == null || parameter.getName().trim().length() == 0)
{
verifier.addBrokenRule("Subreport part parameter name missing.", parameter);
}
}
}
JRSubreportReturnValue[] returnValues = subreportComponent.getReturnValues();
if (returnValues != null && returnValues.length > 0)
{
for (int i = 0; i < returnValues.length; i++)
{
JRSubreportReturnValue returnValue = returnValues[i];
if (returnValue.getFromVariable() == null || returnValue.getFromVariable().trim().length() == 0)
{
verifier.addBrokenRule("Subreport part return value variable name missing.", returnValue);
}
if (returnValue.getToVariable() == null || returnValue.getToVariable().trim().length() == 0)
{
verifier.addBrokenRule("Subreport part return value to variable name missing.", returnValue);
}
if (!verifier.getReportDesign().getVariablesMap().containsKey(returnValue.getToVariable()))
{
verifier.addBrokenRule("Subreport part return value to variable not found.", returnValue);
}
}
}
}
}