Coverage Report - org.jaxen.expr.DefaultTruthExpr
 
Classes in this File Line Coverage Branch Coverage Complexity
DefaultTruthExpr
80%
8/10
83%
5/6
1
 
 1  
 /*
 2  
  * $Header: /home/projects/jaxen/scm/jaxen/src/java/main/org/jaxen/expr/DefaultTruthExpr.java,v 1.10 2006/02/05 21:47:40 elharo Exp $
 3  
  * $Revision: 1.10 $
 4  
  * $Date: 2006/02/05 21:47:40 $
 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: DefaultTruthExpr.java,v 1.10 2006/02/05 21:47:40 elharo Exp $
 46  
  */
 47  
 
 48  
 
 49  
 
 50  
 package org.jaxen.expr;
 51  
 
 52  
 import java.util.List;
 53  
 
 54  
 abstract class DefaultTruthExpr extends DefaultBinaryExpr 
 55  
 {
 56  
     DefaultTruthExpr(Expr lhs,
 57  
                             Expr rhs)
 58  
     {
 59  1976
         super( lhs,
 60  
                rhs );
 61  1976
     }
 62  
 
 63  
     public String toString()
 64  
     {
 65  0
         return "[(DefaultTruthExpr): " + getLHS() + ", " + getRHS() + "]";
 66  
     }
 67  
 
 68  
     protected boolean bothAreSets(Object lhs,
 69  
                                   Object rhs)
 70  
     {
 71  6356
         return ( lhs instanceof List
 72  
                  &&
 73  
                  rhs instanceof List );
 74  
     }
 75  
 
 76  
     protected boolean eitherIsSet(Object lhs,
 77  
                                   Object rhs)
 78  
     {
 79  6334
         return ( lhs instanceof List
 80  
                  ||
 81  
                  rhs instanceof List );
 82  
     }
 83  
 
 84  
     protected boolean isSet(Object obj)
 85  
     {
 86  3690
         return ( obj instanceof List );
 87  
     }
 88  
     
 89  
     protected boolean setIsEmpty( List set )
 90  
       {
 91  5648
       return (set == null || set.size() == 0);
 92  
       }
 93  
 
 94  
     protected boolean eitherIsBoolean(Object lhs,
 95  
                                       Object rhs)
 96  
     {
 97  4260
         return ( lhs instanceof Boolean
 98  
                  ||
 99  
                  rhs instanceof Boolean );
 100  
     }
 101  
 
 102  
     protected boolean bothAreBoolean(Object lhs,
 103  
                                      Object rhs)
 104  
     {
 105  0
         return ( lhs instanceof Boolean
 106  
                  &&
 107  
                  rhs instanceof Boolean );
 108  
     }
 109  
 
 110  
     protected boolean eitherIsNumber(Object lhs,
 111  
                                      Object rhs)
 112  
     {
 113  8440
         return ( lhs instanceof Number
 114  
                  ||
 115  
                  rhs instanceof Number );
 116  
     } 
 117  
 
 118  
 }
 119