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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.engine.base;
import java.io.Serializable;
import net.sf.jasperreports.engine.JRConstants;
import net.sf.jasperreports.engine.JRExpression;
import net.sf.jasperreports.engine.JRGenericElementParameter;
import net.sf.jasperreports.engine.JRRuntimeException;
import net.sf.jasperreports.engine.design.JRDesignGenericElementParameter;
import net.sf.jasperreports.engine.util.JRCloneUtils;
/**
* A read-only implementation of {@link JRGenericElementParameter}
* that is included in compiled reports.
*
* @author Lucian Chirita ([email protected])
*/
public class JRBaseGenericElementParameter implements JRGenericElementParameter, Serializable
{
private static final long serialVersionUID = JRConstants.SERIAL_VERSION_UID;
protected String name;
protected JRExpression valueExpression;
protected boolean skipWhenEmpty;
protected JRBaseGenericElementParameter()
{
}
/**
* Creates a generic element parameter by copying an existing instance.
*
* @param parameter the parameter to copy
* @param factory the object factory to be used for creating sub objects
*/
public JRBaseGenericElementParameter(JRGenericElementParameter parameter,
JRBaseObjectFactory factory)
{
this.name = parameter.getName();
this.valueExpression = factory.getExpression(parameter.getValueExpression());
this.skipWhenEmpty = parameter.isSkipWhenEmpty();
factory.put(parameter, this);
}
@Override
public String getName()
{
return name;
}
@Override
public JRExpression getValueExpression()
{
return valueExpression;
}
@Override
public boolean isSkipWhenEmpty()
{
return skipWhenEmpty;
}
@Override
public Object clone()
{
JRDesignGenericElementParameter clone = null;
try
{
clone = (JRDesignGenericElementParameter)super.clone();
}
catch (CloneNotSupportedException e)
{
throw new JRRuntimeException(e);
}
clone.valueExpression = JRCloneUtils.nullSafeClone(valueExpression);
return clone;
}
}