/*
* JasperReports - Free Java Reporting Library.
* Copyright (C) 2001 - 2009 Jaspersoft Corporation. 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 <http://www.gnu.org/licenses/>.
*/
package net.sf.jasperreports.engine.base;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.Serializable;
import net.sf.jasperreports.engine.JRConstants;
import net.sf.jasperreports.engine.JRExpression;
import net.sf.jasperreports.engine.JRGroup;
import net.sf.jasperreports.engine.JRRuntimeException;
import net.sf.jasperreports.engine.JRVariable;
import net.sf.jasperreports.engine.type.CalculationEnum;
import net.sf.jasperreports.engine.type.IncrementTypeEnum;
import net.sf.jasperreports.engine.type.ResetTypeEnum;
import net.sf.jasperreports.engine.util.JRClassLoader;
/**
* @author Teodor Danciu (teodord@users.sourceforge.net)
* @version $Id: JRBaseVariable.java 3715 2010-04-08 18:08:49Z teodord $
*/
public class JRBaseVariable implements JRVariable, Serializable
{
/**
*
*/
private static final long serialVersionUID = JRConstants.SERIAL_VERSION_UID;
/**
*
*/
protected String name = null;
protected String valueClassName = java.lang.String.class.getName();
protected String valueClassRealName = null;
protected String incrementerFactoryClassName = null;
protected String incrementerFactoryClassRealName = null;
protected ResetTypeEnum resetTypeValue = ResetTypeEnum.REPORT;
protected IncrementTypeEnum incrementTypeValue = IncrementTypeEnum.NONE;
protected CalculationEnum calculationValue = CalculationEnum.NOTHING;
protected boolean isSystemDefined = false;
protected transient Class valueClass = null;
protected transient Class incrementerFactoryClass = null;
/**
*
*/
protected JRExpression expression = null;
protected JRExpression initialValueExpression = null;
protected JRGroup resetGroup = null;
protected JRGroup incrementGroup = null;
/**
*
*/
protected JRBaseVariable()
{
}
/**
*
*/
protected JRBaseVariable(JRVariable variable, JRBaseObjectFactory factory)
{
factory.put(variable, this);
name = variable.getName();
valueClassName = variable.getValueClassName();
incrementerFactoryClassName = variable.getIncrementerFactoryClassName();
resetTypeValue = variable.getResetTypeValue();
incrementTypeValue = variable.getIncrementTypeValue();
calculationValue = variable.getCalculationValue();
isSystemDefined = variable.isSystemDefined();
expression = factory.getExpression(variable.getExpression());
initialValueExpression = factory.getExpression(variable.getInitialValueExpression());
resetGroup = factory.getGroup(variable.getResetGroup());
incrementGroup = factory.getGroup(variable.getIncrementGroup());
}
/**
*
*/
public String getName()
{
return this.name;
}
/**
*
*/
public Class getValueClass()
{
if (valueClass == null)
{
String className = getValueClassRealName();
if (className != null)
{
try
{
valueClass = JRClassLoader.loadClassForName(className);
}
catch(ClassNotFoundException e)
{
throw new JRRuntimeException(e);
}
}
}
return valueClass;
}
/**
*
*/
public String getValueClassName()
{
return valueClassName;
}
/**
*
*/
private String getValueClassRealName()
{
if (valueClassRealName == null)
{
valueClassRealName = JRClassLoader.getClassRealName(valueClassName);
}
return valueClassRealName;
}
/**
*
*/
public Class getIncrementerFactoryClass()
{
if (incrementerFactoryClass == null)
{
String className = getIncrementerFactoryClassRealName();
if (className != null)
{
try
{
incrementerFactoryClass = JRClassLoader.loadClassForName(className);
}
catch(ClassNotFoundException e)
{
throw new JRRuntimeException(e);
}
}
}
return incrementerFactoryClass;
}
/**
*
*/
public String getIncrementerFactoryClassName()
{
return incrementerFactoryClassName;
}
/**
*
*/
private String getIncrementerFactoryClassRealName()
{
if (incrementerFactoryClassRealName == null)
{
incrementerFactoryClassRealName = JRClassLoader.getClassRealName(incrementerFactoryClassName);
}
return incrementerFactoryClassRealName;
}
/**
* @deprecated Replaced by {@link #getResetTypeValue()}
*/
public byte getResetType()
{
return getResetTypeValue().getValue();
}
/**
*
*/
public ResetTypeEnum getResetTypeValue()
{
return this.resetTypeValue;
}
/**
* @deprecated Replaced by {@link #getIncrementTypeValue()}
*/
public byte getIncrementType()
{
return getIncrementTypeValue().getValue();
}
/**
*
*/
public IncrementTypeEnum getIncrementTypeValue()
{
return this.incrementTypeValue;
}
/**
* @deprecated Replaced by {@link #getCalculationValue()}
*/
public byte getCalculation()
{
return getCalculationValue().getValue();
}
/**
*
*/
public CalculationEnum getCalculationValue()
{
return this.calculationValue;
}
/**
*
*/
public boolean isSystemDefined()
{
return this.isSystemDefined;
}
/**
*
*/
public JRExpression getExpression()
{
return this.expression;
}
/**
*
*/
public JRExpression getInitialValueExpression()
{
return this.initialValueExpression;
}
/**
*
*/
public JRGroup getResetGroup()
{
return this.resetGroup;
}
/**
*
*/
public JRGroup getIncrementGroup()
{
return this.incrementGroup;
}
/**
*
*/
public Object clone()
{
JRBaseVariable clone = null;
try
{
clone = (JRBaseVariable)super.clone();
}
catch (CloneNotSupportedException e)
{
throw new JRRuntimeException(e);
}
if (expression != null)
{
clone.expression = (JRExpression)expression.clone();
}
if (initialValueExpression != null)
{
clone.initialValueExpression = (JRExpression)initialValueExpression.clone();
}
return clone;
}
/*
* These fields are only for serialization backward compatibility.
*/
private int PSEUDO_SERIAL_VERSION_UID = JRConstants.PSEUDO_SERIAL_VERSION_UID_3_7_2; //NOPMD
/**
* @deprecated
*/
private byte resetType;
/**
* @deprecated
*/
private byte incrementType;
/**
* @deprecated
*/
private byte calculation;
private void readObject(ObjectInputStream in) throws IOException, ClassNotFoundException
{
in.defaultReadObject();
if (PSEUDO_SERIAL_VERSION_UID < JRConstants.PSEUDO_SERIAL_VERSION_UID_3_7_2)
{
resetTypeValue = ResetTypeEnum.getByValue(resetType);
incrementTypeValue = IncrementTypeEnum.getByValue(incrementType);
calculationValue = CalculationEnum.getByValue(calculation);
}
}
}