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* The Apache Software License, Version 1.1
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* Copyright (c) 1999 The Apache Software Foundation. All rights
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* 3. The end-user documentation included with the redistribution, if
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* any, must include the following acknowlegement:
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* "This product includes software developed by the
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* Apache Software Foundation (http://www.apache.org/)."
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* Alternately, this acknowlegement may appear in the software itself,
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* if and wherever such third-party acknowlegements normally appear.
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* 4. The names "The Jakarta Project", "Tomcat", and "Apache Software
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* Foundation" must not be used to endorse or promote products derived
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* permission, please contact apache@apache.org.
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* 5. Products derived from this software may not be called "Apache"
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* permission of the Apache Group.
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
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* ====================================================================
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* This software consists of voluntary contributions made by many
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* individuals on behalf of the Apache Software Foundation. For more
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* information on the Apache Software Foundation, please see
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* <http://www.apache.org/>.
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package org.apache.commons.el;
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import javax.servlet.jsp.el.ELException;
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import java.math.BigDecimal;
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import java.math.BigInteger;
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* <p>The implementation of the plus operator
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* @author Nathan Abramson - Art Technology Group
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* @version $Change: 181177 $$DateTime: 2001/06/26 08:45:09 $$Author: luehe $
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public class PlusOperator
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extends ArithmeticOperator
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//-------------------------------------
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//-------------------------------------
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public static final PlusOperator SINGLETON =
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//-------------------------------------
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public PlusOperator ()
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//-------------------------------------
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//-------------------------------------
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* Returns the symbol representing the operator
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public String getOperatorSymbol () {
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//-------------------------------------
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* Applies the operator to the given double values, returning a double
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public double apply (double pLeft, double pRight) {
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return pLeft + pRight;
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//-------------------------------------
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* Applies the operator to the given double values, returning a double
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public long apply (long pLeft, long pRight) {
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return pLeft + pRight;
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//-------------------------------------
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* Applies the operator to the given BigDecimal values, returning a
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public BigDecimal apply(BigDecimal pLeft, BigDecimal pRight) {
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return pLeft.add(pRight);
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//-------------------------------------
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* Applies the operator to the given BigInteger values, returning a
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public BigInteger apply(BigInteger pLeft, BigInteger pRight) {
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return pLeft.add(pRight);
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//-------------------------------------