| Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
| IntegerDivideOperator |
|
| 3.3333333333333335;3.333 |
| 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 javax.servlet.jsp.el.ELException; | |
| 20 | ||
| 21 | import org.apache.commons.logging.Log; | |
| 22 | import org.apache.commons.logging.LogFactory; | |
| 23 | ||
| 24 | /** | |
| 25 | * | |
| 26 | * <p>The implementation of the integer divide operator | |
| 27 | * | |
| 28 | * @author Nathan Abramson - Art Technology Group | |
| 29 | * @version $Change: 181177 $$DateTime: 2001/06/26 08:45:09 $$Author: bayard $ | |
| 30 | **/ | |
| 31 | ||
| 32 | public class IntegerDivideOperator | |
| 33 | extends BinaryOperator | |
| 34 | { | |
| 35 | //------------------------------------- | |
| 36 | // Constants | |
| 37 | //------------------------------------- | |
| 38 | 0 | private static Log log = LogFactory.getLog(IntegerDivideOperator.class); |
| 39 | ||
| 40 | //------------------------------------- | |
| 41 | // Singleton | |
| 42 | //------------------------------------- | |
| 43 | ||
| 44 | 0 | public static final IntegerDivideOperator SINGLETON = |
| 45 | new IntegerDivideOperator (); | |
| 46 | ||
| 47 | //------------------------------------- | |
| 48 | /** | |
| 49 | * | |
| 50 | * Constructor | |
| 51 | **/ | |
| 52 | public IntegerDivideOperator () | |
| 53 | 0 | { |
| 54 | 0 | } |
| 55 | ||
| 56 | //------------------------------------- | |
| 57 | // Expression methods | |
| 58 | //------------------------------------- | |
| 59 | /** | |
| 60 | * | |
| 61 | * Returns the symbol representing the operator | |
| 62 | **/ | |
| 63 | public String getOperatorSymbol () | |
| 64 | { | |
| 65 | 0 | return "idiv"; |
| 66 | } | |
| 67 | ||
| 68 | //------------------------------------- | |
| 69 | /** | |
| 70 | * | |
| 71 | * Applies the operator to the given value | |
| 72 | **/ | |
| 73 | public Object apply (Object pLeft, Object pRight) | |
| 74 | throws ELException | |
| 75 | { | |
| 76 | 0 | if (pLeft == null && |
| 77 | pRight == null) { | |
| 78 | 0 | if (log.isWarnEnabled()) { |
| 79 | 0 | log.warn( |
| 80 | MessageUtil.getMessageWithArgs( | |
| 81 | Constants.ARITH_OP_NULL, | |
| 82 | getOperatorSymbol())); | |
| 83 | } | |
| 84 | 0 | return PrimitiveObjects.getInteger (0); |
| 85 | } | |
| 86 | ||
| 87 | 0 | long left = |
| 88 | Coercions.coerceToPrimitiveNumber (pLeft, Long.class). | |
| 89 | longValue (); | |
| 90 | 0 | long right = |
| 91 | Coercions.coerceToPrimitiveNumber (pRight, Long.class). | |
| 92 | longValue (); | |
| 93 | ||
| 94 | try { | |
| 95 | 0 | return PrimitiveObjects.getLong (left / right); |
| 96 | } | |
| 97 | 0 | catch (Exception exc) { |
| 98 | 0 | if (log.isErrorEnabled()) { |
| 99 | 0 | String message = MessageUtil.getMessageWithArgs( |
| 100 | Constants.ARITH_ERROR, | |
| 101 | getOperatorSymbol(), | |
| 102 | "" + left, | |
| 103 | "" + right); | |
| 104 | 0 | log.error(message); |
| 105 | } | |
| 106 | 0 | return PrimitiveObjects.getInteger (0); |
| 107 | } | |
| 108 | } | |
| 109 | ||
| 110 | //------------------------------------- | |
| 111 | } |