net.sf.jasperreports.engine.fill.JRFillCloneFactory Maven / Gradle / Ivy
/*
* JasperReports - Free Java Reporting Library.
* Copyright (C) 2001 - 2016 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 java.util.HashMap;
import java.util.Map;
/**
* Factory class used for fill-time working clones creation.
*
* A instance of this class is used for each created clone.
*
* @author Lucian Chirita ([email protected])
*/
public class JRFillCloneFactory
{
private Map cloneMap;
public JRFillCloneFactory()
{
cloneMap = new HashMap();
}
protected JRFillCloneable getCached(JRFillCloneable original)
{
return cloneMap.get(original);
}
public void put(JRFillCloneable original, JRFillCloneable clone)
{
cloneMap.put(original, clone);
}
public JRFillCloneable getClone(JRFillCloneable original)
{
JRFillCloneable clone;
if (original == null)
{
clone = null;
}
else
{
clone = getCached(original);
if (clone == null)
{
clone = original.createClone(this);
}
}
return clone;
}
}