1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17 package org.apache.commons.el;
18
19 import java.math.BigDecimal;
20 import java.math.BigInteger;
21
22 /**
23 *
24 * <p>The implementation of the multiply operator
25 *
26 * @author Nathan Abramson - Art Technology Group
27 * @version $Change: 181177 $$DateTime: 2001/06/26 08:45:09 $$Author: bayard $
28 **/
29
30 public class MultiplyOperator
31 extends ArithmeticOperator
32 {
33 //-------------------------------------
34 // Singleton
35 //-------------------------------------
36
37 public static final MultiplyOperator SINGLETON =
38 new MultiplyOperator ();
39
40 //-------------------------------------
41 /**
42 *
43 * Constructor
44 **/
45 public MultiplyOperator ()
46 {
47 }
48
49 //-------------------------------------
50 // Expression methods
51 //-------------------------------------
52 /**
53 *
54 * Returns the symbol representing the operator
55 **/
56 public String getOperatorSymbol ()
57 {
58 return "*";
59 }
60
61 //-------------------------------------
62 /**
63 *
64 * Applies the operator to the given double values, returning a double
65 **/
66 public double apply (double pLeft,
67 double pRight
68 )
69 {
70 return pLeft * pRight;
71 }
72
73 //-------------------------------------
74 /**
75 *
76 * Applies the operator to the given double values, returning a double
77 **/
78 public long apply (long pLeft,
79 long pRight
80 )
81 {
82 return pLeft * pRight;
83 }
84
85 //-------------------------------------
86
87 /**
88 *
89 * Applies the operator to the given BigDecimal values, returning a BigDecimal.
90 **/
91 public BigDecimal apply(BigDecimal pLeft,
92 BigDecimal pRight
93 ) {
94 return pLeft.multiply(pRight);
95 }
96
97 //-------------------------------------
98
99 /**
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 }