package net.sf.jasperreports.crosstabs.base;

import java.io.Serializable;
import net.sf.jasperreports.crosstabs.JRCrosstabMeasure;
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.util.JRClassLoader;

public class JRBaseCrosstabMeasure implements JRCrosstabMeasure, Serializable {
  private static final long serialVersionUID = 10200L;
  
  protected String name;
  
  protected String valueClassName;
  
  protected String valueClassRealName = null;
  
  protected Class valueClass;
  
  protected JRExpression expression;
  
  protected byte calculation = 1;
  
  protected String incrementerFactoryClassName;
  
  protected String incrementerFactoryClassRealName;
  
  protected Class incrementerFactoryClass;
  
  protected byte percentageOfType = 0;
  
  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.calculation = measure.getCalculation();
    this.incrementerFactoryClassName = measure.getIncrementerFactoryClassName();
    this.percentageOfType = measure.getPercentageOfType();
    this.percentageCalculatorClassName = measure.getPercentageCalculatorClassName();
    this.variable = (JRVariable)factory.getVariable(measure.getVariable());
  }
  
  public String getName() {
    return this.name;
  }
  
  public String getValueClassName() {
    return this.valueClassName;
  }
  
  public JRExpression getValueExpression() {
    return this.expression;
  }
  
  public byte getCalculation() {
    return this.calculation;
  }
  
  public String getIncrementerFactoryClassName() {
    return this.incrementerFactoryClassName;
  }
  
  public byte getPercentageOfType() {
    return this.percentageOfType;
  }
  
  public Class getIncrementerFactoryClass() {
    if (this.incrementerFactoryClass == null) {
      String className = getIncrementerFactoryClassRealName();
      if (className != null)
        try {
          this.incrementerFactoryClass = JRClassLoader.loadClassForName(className);
        } catch (ClassNotFoundException e) {
          throw new JRRuntimeException("Could not load measure incrementer class", e);
        }  
    } 
    return this.incrementerFactoryClass;
  }
  
  private String getIncrementerFactoryClassRealName() {
    if (this.incrementerFactoryClassRealName == null)
      this.incrementerFactoryClassRealName = JRClassLoader.getClassRealName(this.incrementerFactoryClassName); 
    return this.incrementerFactoryClassRealName;
  }
  
  public Class getValueClass() {
    if (this.valueClass == null) {
      String className = getValueClassRealName();
      if (className != null)
        try {
          this.valueClass = JRClassLoader.loadClassForName(className);
        } catch (ClassNotFoundException e) {
          throw new JRRuntimeException("Could not load bucket value class", e);
        }  
    } 
    return this.valueClass;
  }
  
  private String getValueClassRealName() {
    if (this.valueClassRealName == null)
      this.valueClassRealName = JRClassLoader.getClassRealName(this.valueClassName); 
    return this.valueClassRealName;
  }
  
  public JRVariable getVariable() {
    return this.variable;
  }
  
  public String getPercentageCalculatorClassName() {
    return this.percentageCalculatorClassName;
  }
  
  public Class getPercentageCalculatorClass() {
    if (this.percentageCalculatorClass == null) {
      String className = getPercentageCalculatorClassRealName();
      if (className != null)
        try {
          this.percentageCalculatorClass = JRClassLoader.loadClassForName(className);
        } catch (ClassNotFoundException e) {
          throw new JRRuntimeException("Could not load measure percentage calculator class", e);
        }  
    } 
    return this.percentageCalculatorClass;
  }
  
  private String getPercentageCalculatorClassRealName() {
    if (this.percentageCalculatorClassRealName == null)
      this.percentageCalculatorClassRealName = JRClassLoader.getClassRealName(this.percentageCalculatorClassName); 
    return this.percentageCalculatorClassRealName;
  }
  
  public Object clone() {
    return null;
  }
}