com.headstrong.fusion.commons.expression.ExpressionResolverTest.java Source code

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Here is the source code for com.headstrong.fusion.commons.expression.ExpressionResolverTest.java

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/*
 * The information in this document is subject to change without notice and 
 * does not represent a commitment by Headstrong Corporation. The software 
 * and/or databases described in this document are furnished under a license 
 * agreement and may be used or copied only in accordance with the terms of 
 * the agreement. 
 * 
 * Copyright  2008 Headstrong Corporation
 * All rights reserved.
 * 
 * $Id: ExpressionResolverTest.java
 * $Revision: 
 * $Author: Ssoni
 * $DateTime: Jun 15, 2009 
 */

package com.headstrong.fusion.commons.expression;

import junit.framework.TestCase;

import org.apache.commons.jexl.ExpressionFactory;
import org.apache.commons.jexl.JexlContext;
import org.apache.commons.jexl.JexlHelper;

/**
 * 
 */
public class ExpressionResolverTest extends TestCase {

    public void testResolver() throws Exception {
        String calculateTax = "((G1 + G2 + G3) * 0.1) + G4";
        org.apache.commons.jexl.Expression e = ExpressionFactory.createExpression(calculateTax);

        // populate the context
        JexlContext context = JexlHelper.createContext();
        context.getVars().put("G1", 1);
        context.getVars().put("G2", 2);
        context.getVars().put("G3", 4);
        context.getVars().put("G4", 5);
        // work it out
        Double result = (Double) e.evaluate(context);
        System.out.println(result);
    }

}