Coverage Report - org.jaxen.expr.DefaultAndExpr

Classes in this File Line Coverage Branch Coverage Complexity
DefaultAndExpr
71% 
100% 
1.8

 1  
 /*
 2  
  * $Header: /home/projects/jaxen/scm/jaxen/src/java/main/org/jaxen/expr/DefaultAndExpr.java,v 1.13 2005/06/28 13:44:44 elharo Exp $
 3  
  * $Revision: 1.13 $
 4  
  * $Date: 2005/06/28 13:44:44 $
 5  
  *
 6  
  * ====================================================================
 7  
  *
 8  
  * Copyright (C) 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
 13  
  * are met:
 14  
  * 
 15  
  * 1. Redistributions of source code must retain the above copyright
 16  
  *    notice, this list of conditions, and the following disclaimer.
 17  
  *
 18  
  * 2. Redistributions in binary form must reproduce the above copyright
 19  
  *    notice, this list of conditions, and the disclaimer that follows 
 20  
  *    these conditions in the documentation and/or other materials 
 21  
  *    provided with the distribution.
 22  
  *
 23  
  * 3. The name "Jaxen" must not be used to endorse or promote products
 24  
  *    derived from this software without prior written permission.  For
 25  
  *    written permission, please contact license@jaxen.org.
 26  
  * 
 27  
  * 4. Products derived from this software may not be called "Jaxen", nor
 28  
  *    may "Jaxen" appear in their name, without prior written permission
 29  
  *    from the Jaxen Project Management (pm@jaxen.org).
 30  
  * 
 31  
  * In addition, we request (but do not require) that you include in the 
 32  
  * end-user documentation provided with the redistribution and/or in the 
 33  
  * software itself an acknowledgement equivalent to the following:
 34  
  *     "This product includes software developed by the
 35  
  *      Jaxen Project <http://www.jaxen.org/>."
 36  
  * Alternatively, the acknowledgment may be graphical using the logos 
 37  
  * available at http://www.jaxen.org/
 38  
  *
 39  
  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
 40  
  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 41  
  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 42  
  * DISCLAIMED.  IN NO EVENT SHALL THE Jaxen AUTHORS OR THE PROJECT
 43  
  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 44  
  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 45  
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
 46  
  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 47  
  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 48  
  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 49  
  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 50  
  * SUCH DAMAGE.
 51  
  *
 52  
  * ====================================================================
 53  
  * This software consists of voluntary contributions made by many 
 54  
  * individuals on behalf of the Jaxen Project and was originally 
 55  
  * created by bob mcwhirter <bob@werken.com> and 
 56  
  * James Strachan <jstrachan@apache.org>.  For more information on the 
 57  
  * Jaxen Project, please see <http://www.jaxen.org/>.
 58  
  * 
 59  
  * $Id: DefaultAndExpr.java,v 1.13 2005/06/28 13:44:44 elharo Exp $
 60  
  */
 61  
 
 62  
 package org.jaxen.expr;
 63  
 
 64  
 import org.jaxen.Context;
 65  
 import org.jaxen.JaxenException;
 66  
 import org.jaxen.Navigator;
 67  
 import org.jaxen.function.BooleanFunction;
 68  
 
 69  
 class DefaultAndExpr extends DefaultLogicalExpr
 70  
 {
 71  
     DefaultAndExpr(Expr lhs,
 72  
                           Expr rhs)
 73  
     {
 74  390
         super( lhs,
 75  
                rhs );
 76  390
     }
 77  
 
 78  
     public String getOperator()
 79  
     {
 80  0
         return "and";
 81  
     }
 82  
 
 83  
     public String toString()
 84  
     {
 85  0
         return "[(DefaultAndExpr): " + getLHS() + ", " + getRHS() + "]";
 86  
     }
 87  
 
 88  
     public Object evaluate(Context context) throws JaxenException
 89  
     {
 90  1248
         Navigator nav = context.getNavigator();
 91  1248
         Boolean lhsValue = BooleanFunction.evaluate( getLHS().evaluate( context ), nav );
 92  
 
 93  1248
         if ( !lhsValue.booleanValue() )
 94  
         {
 95  552
             return Boolean.FALSE;
 96  
         }
 97  
 
 98  
         // Short circuits are required in XPath. "The right operand is not 
 99  
         // evaluated if the left operand evaluates to false."
 100  696
         Boolean rhsValue = BooleanFunction.evaluate( getRHS().evaluate( context ), nav );
 101  
 
 102  696
         if ( !rhsValue.booleanValue() )
 103  
         {
 104  18
             return Boolean.FALSE;
 105  
         }
 106  
 
 107  678
         return Boolean.TRUE;
 108  
     }
 109  
     
 110  
     public void accept(Visitor visitor)
 111  
     {
 112  0
         visitor.visit(this);
 113  0
     }
 114  
     
 115  
 }