Add.java

package com.yahoo.dtf.actions.arithmetic;

import com.yahoo.dtf.exception.DTFException;

/**
 * @dtf.tag add
 * 
 * @dtf.since 1.0
 * @dtf.author Rodney Gomes
 * 
 * @dtf.tag.desc Add to values and store the result in the name of the property
 *               identified by the result attribute.
 * 
 * @dtf.tag.example 
 * <add op1="100" op2="${proerty1}" result="result"/> 
 *
 * @dtf.tag.example 
 * <add op1="${a}" op2="${a}" result="a"/> 
 */
public class Add extends ArithmeticOperator { 
   
    public void execute() throws DTFException {
        String op1 = getOp1();
        String op2 = getOp2();
        String result = null;
        
        op1 = ( op1 == null ? "" : op1 );
        op2 = ( op2 == null ? "" : op2 );
        
        Double d1 = Double.valueOf(op1);
        Double d2 = Double.valueOf(op2);
        
        if ( isDouble(op1) || isDouble(op2) ) { 
            result = "" + (d1+d2);
        } else { 
            result = "" + new Double(d1+d2).longValue();
        }
        
        getConfig().setProperty(getResult(), result);
    }
}