net.sf.jasperreports.crosstabs.base.JRBaseCrosstabMeasure Maven / Gradle / Ivy
/*
* JasperReports - Free Java Reporting Library.
* Copyright (C) 2001 - 2014 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.crosstabs.base;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.Serializable;
import net.sf.jasperreports.crosstabs.JRCrosstabMeasure;
import net.sf.jasperreports.crosstabs.type.CrosstabPercentageEnum;
import net.sf.jasperreports.engine.JRConstants;
import net.sf.jasperreports.engine.JRExpression;
import net.sf.jasperreports.engine.JRRuntimeException;
import net.sf.jasperreports.engine.JRVariable;
import net.sf.jasperreports.engine.base.JRBaseObjectFactory;
import net.sf.jasperreports.engine.type.CalculationEnum;
import net.sf.jasperreports.engine.util.JRClassLoader;
import net.sf.jasperreports.engine.util.JRCloneUtils;
/**
* Base read-only crosstab measure implementation.
*
* @author Lucian Chirita ([email protected])
*/
public class JRBaseCrosstabMeasure implements JRCrosstabMeasure, Serializable, CrosstabBaseCloneable
{
private static final long serialVersionUID = JRConstants.SERIAL_VERSION_UID;
public static final String EXCEPTION_MESSAGE_KEY_MEASURE_INCREMENTER_CLASS_LOAD_ERROR = "crosstabs.measure.incrementer.class.load.error";
public static final String EXCEPTION_MESSAGE_KEY_MEASURE_PERCENTAGE_CALCULATOR_CLASS_LOAD_ERROR = "crosstabs.measure.percentage.calculator.class.load.error";
public static final String EXCEPTION_MESSAGE_KEY_MEASURE_VALUE_CLASS_LOAD_ERROR = "crosstabs.measure.value.class.load.error";
protected String name;
protected String valueClassName;
protected String valueClassRealName;
protected Class valueClass;//FIXME transient
protected JRExpression expression;
protected CalculationEnum calculationValue = CalculationEnum.COUNT;
protected String incrementerFactoryClassName;
protected String incrementerFactoryClassRealName;
protected Class incrementerFactoryClass;
protected CrosstabPercentageEnum percentageType = CrosstabPercentageEnum.NONE;
protected String percentageCalculatorClassName;
protected String percentageCalculatorClassRealName;
protected Class percentageCalculatorClass;
protected JRVariable variable;
protected JRBaseCrosstabMeasure()
{
}
public JRBaseCrosstabMeasure(JRCrosstabMeasure measure, JRBaseObjectFactory factory)
{
factory.put(measure, this);
this.name = measure.getName();
this.valueClassName = measure.getValueClassName();
this.expression = factory.getExpression(measure.getValueExpression());
this.calculationValue = measure.getCalculationValue();
this.incrementerFactoryClassName = measure.getIncrementerFactoryClassName();
this.percentageType = measure.getPercentageType();
this.percentageCalculatorClassName = measure.getPercentageCalculatorClassName();
this.variable = factory.getVariable(measure.getVariable());
}
@Override
public String getName()
{
return name;
}
@Override
public String getValueClassName()
{
return valueClassName;
}
@Override
public JRExpression getValueExpression()
{
return expression;
}
@Override
public CalculationEnum getCalculationValue()
{
return calculationValue;
}
@Override
public String getIncrementerFactoryClassName()
{
return incrementerFactoryClassName;
}
@Override
public CrosstabPercentageEnum getPercentageType()
{
return percentageType;
}
@Override
public Class getIncrementerFactoryClass()
{
if (incrementerFactoryClass == null)
{
String className = getIncrementerFactoryClassRealName();
if (className != null)
{
try
{
incrementerFactoryClass = JRClassLoader.loadClassForName(className);
}
catch (ClassNotFoundException e)
{
throw
new JRRuntimeException(
EXCEPTION_MESSAGE_KEY_MEASURE_INCREMENTER_CLASS_LOAD_ERROR,
(Object[])null,
e);
}
}
}
return incrementerFactoryClass;
}
/**
*
*/
private String getIncrementerFactoryClassRealName()
{
if (incrementerFactoryClassRealName == null)
{
incrementerFactoryClassRealName = JRClassLoader.getClassRealName(incrementerFactoryClassName);
}
return incrementerFactoryClassRealName;
}
@Override
public Class getValueClass()
{
if (valueClass == null)
{
String className = getValueClassRealName();
if (className != null)
{
try
{
valueClass = JRClassLoader.loadClassForName(className);
}
catch (ClassNotFoundException e)
{
throw
new JRRuntimeException(
EXCEPTION_MESSAGE_KEY_MEASURE_VALUE_CLASS_LOAD_ERROR,
(Object[])null,
e);
}
}
}
return valueClass;
}
/**
*
*/
private String getValueClassRealName()
{
if (valueClassRealName == null)
{
valueClassRealName = JRClassLoader.getClassRealName(valueClassName);
}
return valueClassRealName;
}
@Override
public JRVariable getVariable()
{
return variable;
}
@Override
public String getPercentageCalculatorClassName()
{
return percentageCalculatorClassName;
}
@Override
public Class getPercentageCalculatorClass()
{
if (percentageCalculatorClass == null)
{
String className = getPercentageCalculatorClassRealName();
if (className != null)
{
try
{
percentageCalculatorClass = JRClassLoader.loadClassForName(className);
}
catch (ClassNotFoundException e)
{
throw
new JRRuntimeException(
EXCEPTION_MESSAGE_KEY_MEASURE_PERCENTAGE_CALCULATOR_CLASS_LOAD_ERROR,
(Object[])null,
e);
}
}
}
return percentageCalculatorClass;
}
/**
*
*/
private String getPercentageCalculatorClassRealName()
{
if (percentageCalculatorClassRealName == null)
{
percentageCalculatorClassRealName = JRClassLoader.getClassRealName(percentageCalculatorClassName);
}
return percentageCalculatorClassRealName;
}
@Override
public Object clone()
{
JRBaseCrosstabMeasure clone = null;
try
{
clone = (JRBaseCrosstabMeasure) super.clone();
}
catch (CloneNotSupportedException e)
{
// never
throw new JRRuntimeException(e);
}
clone.expression = JRCloneUtils.nullSafeClone(expression);
clone.variable = JRCloneUtils.nullSafeClone(variable);
return clone;
}
@Override
public Object clone(CrosstabBaseCloneFactory cloneFactory)
{
JRBaseCrosstabMeasure clone = (JRBaseCrosstabMeasure) clone();
clone.variable = cloneFactory.clone(variable);
return clone;
}
/*
* These fields are only for serialization backward compatibility.
*/
private int PSEUDO_SERIAL_VERSION_UID = JRConstants.PSEUDO_SERIAL_VERSION_UID; //NOPMD
/**
* @deprecated
*/
private byte percentageOfType;
/**
* @deprecated
*/
private byte calculation;
@SuppressWarnings("deprecation")
private void readObject(ObjectInputStream in) throws IOException, ClassNotFoundException
{
in.defaultReadObject();
if (PSEUDO_SERIAL_VERSION_UID < JRConstants.PSEUDO_SERIAL_VERSION_UID_3_7_2)
{
percentageType = CrosstabPercentageEnum.getByValue(percentageOfType);
calculationValue = CalculationEnum.getByValue(calculation);
}
}
}