net.sf.jasperreports.engine.base.JRBaseComponentElement 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 - 2022 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.base;
import net.sf.jasperreports.engine.DefaultJasperReportsContext;
import net.sf.jasperreports.engine.JRComponentElement;
import net.sf.jasperreports.engine.JRConstants;
import net.sf.jasperreports.engine.JRExpressionCollector;
import net.sf.jasperreports.engine.JRVisitable;
import net.sf.jasperreports.engine.JRVisitor;
import net.sf.jasperreports.engine.component.Component;
import net.sf.jasperreports.engine.component.ComponentKey;
import net.sf.jasperreports.engine.component.ComponentManager;
import net.sf.jasperreports.engine.component.ComponentsEnvironment;
/**
* A read-only {@link JRComponentElement} implementation which is included
* in compiled reports.
*
* @author Lucian Chirita ([email protected])
*/
public class JRBaseComponentElement extends JRBaseElement implements
JRComponentElement
{
private static final long serialVersionUID = JRConstants.SERIAL_VERSION_UID;
private ComponentKey componentKey;
private Component component;
public JRBaseComponentElement(JRComponentElement element, JRBaseObjectFactory factory)
{
super(element, factory);
componentKey = element.getComponentKey();
ComponentManager manager = ComponentsEnvironment.getInstance(DefaultJasperReportsContext.getInstance()).getManager(componentKey);
component = manager.getComponentCompiler(DefaultJasperReportsContext.getInstance()).toCompiledComponent(
element.getComponent(), factory);
}
@Override
public Component getComponent()
{
return component;
}
@Override
public ComponentKey getComponentKey()
{
return componentKey;
}
@Override
public void collectExpressions(JRExpressionCollector collector)
{
ComponentManager manager = ComponentsEnvironment.getInstance(DefaultJasperReportsContext.getInstance()).getManager(componentKey);
manager.getComponentCompiler(DefaultJasperReportsContext.getInstance()).collectExpressions(component, collector);
}
@Override
public void visit(JRVisitor visitor)
{
visitor.visitComponentElement(this);
if (component instanceof JRVisitable)
{
((JRVisitable) component).visit(visitor);
}
}
}