Coverage Report - org.jaxen.expr.DefaultMinusExpr
 
Classes in this File Line Coverage Branch Coverage Complexity
DefaultMinusExpr
100%
7/7
N/A
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  
 }