| Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
| DefaultMinusExpr |
|
| 1.0;1 |
| 1 | /* | |
| 2 | * $Header: /home/projects/jaxen/scm/jaxen/src/java/main/org/jaxen/expr/DefaultMinusExpr.java,v 1.14 2006/11/30 18:49:26 elharo Exp $ | |
| 3 | * $Revision: 1.14 $ | |
| 4 | * $Date: 2006/11/30 18:49:26 $ | |
| 5 | * | |
| 6 | * ==================================================================== | |
| 7 | * | |
| 8 | * Copyright 2000-2002 bob mcwhirter & James Strachan. | |
| 9 | * All rights reserved. | |
| 10 | * | |
| 11 | * | |
| 12 | * Redistribution and use in source and binary forms, with or without | |
| 13 | * modification, are permitted provided that the following conditions are | |
| 14 | * met: | |
| 15 | * | |
| 16 | * * Redistributions of source code must retain the above copyright | |
| 17 | * notice, this list of conditions and the following disclaimer. | |
| 18 | * | |
| 19 | * * Redistributions in binary form must reproduce the above copyright | |
| 20 | * notice, this list of conditions and the following disclaimer in the | |
| 21 | * documentation and/or other materials provided with the distribution. | |
| 22 | * | |
| 23 | * * Neither the name of the Jaxen Project nor the names of its | |
| 24 | * contributors may be used to endorse or promote products derived | |
| 25 | * from this software without specific prior written permission. | |
| 26 | * | |
| 27 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS | |
| 28 | * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED | |
| 29 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A | |
| 30 | * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER | |
| 31 | * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | |
| 32 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
| 33 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | |
| 34 | * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF | |
| 35 | * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING | |
| 36 | * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS | |
| 37 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 38 | * | |
| 39 | * ==================================================================== | |
| 40 | * This software consists of voluntary contributions made by many | |
| 41 | * individuals on behalf of the Jaxen Project and was originally | |
| 42 | * created by bob mcwhirter <bob@werken.com> and | |
| 43 | * James Strachan <jstrachan@apache.org>. For more information on the | |
| 44 | * Jaxen Project, please see <http://www.jaxen.org/>. | |
| 45 | * | |
| 46 | * $Id: DefaultMinusExpr.java,v 1.14 2006/11/30 18:49:26 elharo Exp $ | |
| 47 | */ | |
| 48 | ||
| 49 | ||
| 50 | package org.jaxen.expr; | |
| 51 | ||
| 52 | import org.jaxen.Context; | |
| 53 | import org.jaxen.JaxenException; | |
| 54 | import org.jaxen.function.NumberFunction; | |
| 55 | ||
| 56 | class DefaultMinusExpr extends DefaultAdditiveExpr | |
| 57 | { | |
| 58 | /** | |
| 59 | * | |
| 60 | */ | |
| 61 | private static final long serialVersionUID = 6468563688098527800L; | |
| 62 | ||
| 63 | DefaultMinusExpr(Expr lhs, | |
| 64 | Expr rhs) | |
| 65 | { | |
| 66 | 208 | super( lhs, |
| 67 | rhs ); | |
| 68 | 208 | } |
| 69 | ||
| 70 | public String getOperator() | |
| 71 | { | |
| 72 | 288 | return "-"; |
| 73 | } | |
| 74 | ||
| 75 | public Object evaluate(Context context) throws JaxenException | |
| 76 | { | |
| 77 | 310 | Number lhsValue = NumberFunction.evaluate( getLHS().evaluate( context ), |
| 78 | context.getNavigator() ); | |
| 79 | 310 | Number rhsValue = NumberFunction.evaluate( getRHS().evaluate( context ), |
| 80 | context.getNavigator() ); | |
| 81 | ||
| 82 | 310 | double result = lhsValue.doubleValue() - rhsValue.doubleValue(); |
| 83 | 310 | return new Double( result ); |
| 84 | } | |
| 85 | ||
| 86 | } |