001 /*
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements. See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License. You may obtain a copy of the License at
008 *
009 * http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017 package org.apache.commons.el;
018
019 import java.math.BigDecimal;
020 import java.math.BigInteger;
021
022 /**
023 *
024 * <p>The implementation of the multiply operator
025 *
026 * @author Nathan Abramson - Art Technology Group
027 * @version $Change: 181177 $$DateTime: 2001/06/26 08:45:09 $$Author: bayard $
028 **/
029
030 public class MultiplyOperator
031 extends ArithmeticOperator
032 {
033 //-------------------------------------
034 // Singleton
035 //-------------------------------------
036
037 public static final MultiplyOperator SINGLETON =
038 new MultiplyOperator ();
039
040 //-------------------------------------
041 /**
042 *
043 * Constructor
044 **/
045 public MultiplyOperator ()
046 {
047 }
048
049 //-------------------------------------
050 // Expression methods
051 //-------------------------------------
052 /**
053 *
054 * Returns the symbol representing the operator
055 **/
056 public String getOperatorSymbol ()
057 {
058 return "*";
059 }
060
061 //-------------------------------------
062 /**
063 *
064 * Applies the operator to the given double values, returning a double
065 **/
066 public double apply (double pLeft,
067 double pRight
068 )
069 {
070 return pLeft * pRight;
071 }
072
073 //-------------------------------------
074 /**
075 *
076 * Applies the operator to the given double values, returning a double
077 **/
078 public long apply (long pLeft,
079 long pRight
080 )
081 {
082 return pLeft * pRight;
083 }
084
085 //-------------------------------------
086
087 /**
088 *
089 * Applies the operator to the given BigDecimal values, returning a BigDecimal.
090 **/
091 public BigDecimal apply(BigDecimal pLeft,
092 BigDecimal pRight
093 ) {
094 return pLeft.multiply(pRight);
095 }
096
097 //-------------------------------------
098
099 /**
100 *
101 * Applies the operator to the given BigInteger values, returning a BigInteger.
102 **/
103 public BigInteger apply(BigInteger pLeft,
104 BigInteger pRight
105 ) {
106 return pLeft.multiply(pRight);
107 }
108
109 //-------------------------------------
110 }