Coverage Report - org.jaxen.expr.DefaultOrExpr
 
Classes in this File Line Coverage Branch Coverage Complexity
DefaultOrExpr
92%
11/12
100%
2/2
2
 
 1  
 /*
 2  
  * $Header: /home/projects/jaxen/scm/jaxen/src/java/main/org/jaxen/expr/DefaultOrExpr.java,v 1.17 2006/11/30 18:49:26 elharo Exp $
 3  
  * $Revision: 1.17 $
 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  
  * Redistribution and use in source and binary forms, with or without
 12  
  * modification, are permitted provided that the following conditions are
 13  
  * met:
 14  
  * 
 15  
  *   * Redistributions of source code must retain the above copyright
 16  
  *     notice, this list of conditions and the following disclaimer.
 17  
  * 
 18  
  *   * Redistributions in binary form must reproduce the above copyright
 19  
  *     notice, this list of conditions and the following disclaimer in the
 20  
  *     documentation and/or other materials provided with the distribution.
 21  
  * 
 22  
  *   * Neither the name of the Jaxen Project nor the names of its
 23  
  *     contributors may be used to endorse or promote products derived 
 24  
  *     from this software without specific prior written permission.
 25  
  * 
 26  
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
 27  
  * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 28  
  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
 29  
  * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
 30  
  * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 31  
  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 32  
  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 33  
  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 34  
  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 35  
  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 36  
  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 37  
  *
 38  
  * ====================================================================
 39  
  * This software consists of voluntary contributions made by many 
 40  
  * individuals on behalf of the Jaxen Project and was originally 
 41  
  * created by bob mcwhirter <bob@werken.com> and 
 42  
  * James Strachan <jstrachan@apache.org>.  For more information on the 
 43  
  * Jaxen Project, please see <http://www.jaxen.org/>.
 44  
  * 
 45  
  * $Id: DefaultOrExpr.java,v 1.17 2006/11/30 18:49:26 elharo Exp $
 46  
  */
 47  
 
 48  
 
 49  
 
 50  
 package org.jaxen.expr;
 51  
 
 52  
 import org.jaxen.Context;
 53  
 import org.jaxen.JaxenException;
 54  
 import org.jaxen.Navigator;
 55  
 import org.jaxen.function.BooleanFunction;
 56  
 
 57  
 class DefaultOrExpr extends DefaultLogicalExpr 
 58  
 {
 59  
     /**
 60  
      * 
 61  
      */
 62  
     private static final long serialVersionUID = 4894552680753026730L;
 63  
 
 64  
     DefaultOrExpr(Expr lhs,
 65  
                          Expr rhs)
 66  
     {
 67  16
         super( lhs,
 68  
                rhs );
 69  16
     }
 70  
 
 71  
     public String getOperator()
 72  
     {
 73  2
         return "or";
 74  
     }
 75  
 
 76  
     public String toString()
 77  
     {
 78  0
         return "[(DefaultOrExpr): " + getLHS() + ", " + getRHS() + "]";
 79  
     }
 80  
 
 81  
     public Object evaluate(Context context) throws JaxenException
 82  
     {
 83  6
         Navigator nav = context.getNavigator();
 84  6
         Boolean lhsValue = BooleanFunction.evaluate( getLHS().evaluate( context ), nav );
 85  
 
 86  6
         if ( lhsValue.booleanValue() )
 87  
         {
 88  2
             return Boolean.TRUE;
 89  
         }
 90  
 
 91  
         // Short circuits are required in XPath. "The right operand is not 
 92  
         // evaluated if the left operand evaluates to true."
 93  4
         Boolean rhsValue = BooleanFunction.evaluate( getRHS().evaluate( context ), nav );
 94  
 
 95  4
         if ( rhsValue.booleanValue() )
 96  
         {
 97  2
             return Boolean.TRUE;
 98  
         }
 99  
 
 100  2
         return Boolean.FALSE;
 101  
     }
 102  
     
 103  
 }