Source code: org/apache/commons/el/ArithmeticOperator.java
1 /*
2 * The Apache Software License, Version 1.1
3 *
4 * Copyright (c) 1999 The Apache Software Foundation. All rights
5 * reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 *
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 *
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in
16 * the documentation and/or other materials provided with the
17 * distribution.
18 *
19 * 3. The end-user documentation included with the redistribution, if
20 * any, must include the following acknowlegement:
21 * "This product includes software developed by the
22 * Apache Software Foundation (http://www.apache.org/)."
23 * Alternately, this acknowlegement may appear in the software itself,
24 * if and wherever such third-party acknowlegements normally appear.
25 *
26 * 4. The names "The Jakarta Project", "Tomcat", and "Apache Software
27 * Foundation" must not be used to endorse or promote products derived
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34 *
35 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
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37 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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47 * ====================================================================
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55
56 package org.apache.commons.el;
57
58 import javax.servlet.jsp.el.ELException;
59 import java.math.BigDecimal;
60 import java.math.BigInteger;
61
62 /**
63 *
64 * <p>This is the superclass for all binary arithmetic operators
65 *
66 * @author Nathan Abramson - Art Technology Group
67 * @version $Change: 181177 $$DateTime: 2001/06/26 08:45:09 $$Author: luehe $
68 **/
69
70 public abstract class ArithmeticOperator
71 extends BinaryOperator
72 {
73 //-------------------------------------
74 /**
75 *
76 * Applies the operator to the given value
77 **/
78 public Object apply (Object pLeft,
79 Object pRight,
80 Logger pLogger)
81 throws ELException
82 {
83 return Coercions.applyArithmeticOperator (pLeft, pRight, this, pLogger);
84 }
85
86 //-------------------------------------
87 /**
88 *
89 * Applies the operator to the given double values, returning a double
90 **/
91 public abstract double apply (double pLeft, double pRight);
92
93 //-------------------------------------
94 /**
95 *
96 * Applies the operator to the given double values, returning a double
97 **/
98 public abstract long apply (long pLeft, long pRight);
99
100 //-------------------------------------
101
102 /**
103 *
104 * Applies the operator to the given BigDecimal values, returning a
105 * BigDecimal.
106 **/
107 public abstract BigDecimal apply(BigDecimal pLeft, BigDecimal pRight);
108
109 //-------------------------------------
110
111 /**
112 *
113 * Applies the operator to the given BigInteger values, returning a
114 * BigInteger.
115 **/
116 public abstract BigInteger apply(BigInteger pLeft, BigInteger pRight);
117
118 //-------------------------------------
119 }