##### Coverage Report - org.jaxen.expr.DefaultRelationalExpr

Classes in this File | Line Coverage | Branch Coverage | Complexity
DefaultRelationalExpr |
79% |
100% |
| 3.6666666666666665;3.667

1 |  |
     /*
2 |  |
      * $Header: /home/projects/jaxen/scm/jaxen/src/java/main/org/jaxen/expr/DefaultRelationalExpr.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 |  |
      *
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      * 4. Products derived from this software may not be called "Jaxen", nor
28 |  |
      *    may "Jaxen" appear in their name, without prior written permission
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      *    from the Jaxen Project Management (pm@jaxen.org).
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      *
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      * 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/>."
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      * Alternatively, the acknowledgment may be graphical using the logos
37 |  |
      * available at http://www.jaxen.org/
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      *
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      * 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 |  |
      * ====================================================================
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      * 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: DefaultRelationalExpr.java,v 1.13 2005/06/28 13:44:44 elharo Exp $
60 |  |
      */
61 |  |
62 |  |
63 |  |
64 |  |
     package org.jaxen.expr;
65 |  |
66 |  |
     import java.util.Iterator;
67 |  |
     import java.util.List;
68 |  |
     import org.jaxen.Context;
69 |  |
     import org.jaxen.JaxenException;
70 |  |
     import org.jaxen.Navigator;
71 |  |
     import org.jaxen.function.NumberFunction;
72 |  |
73 |  |
     abstract class DefaultRelationalExpr extends DefaultTruthExpr implements RelationalExpr
74 |  |
       {
75 |  |
       DefaultRelationalExpr( Expr lhs, Expr rhs )
76 |  |
         {
77 | 600 |
         super( lhs, rhs );
78 | 600 |
         }
79 |  |
80 |  |
       public String toString()
81 |  |
         {
82 | 0 |
         return "[(DefaultRelationalExpr): " + getLHS() + ", " + getRHS() + "]";
83 |  |
         }
84 |  |
85 |  |
       public Object evaluate( Context context ) throws JaxenException
86 |  |
         {
87 | 1182 |
         Object lhsValue = getLHS().evaluate( context );
88 | 1182 |
         Object rhsValue = getRHS().evaluate( context );
89 | 1182 |
         Navigator nav = context.getNavigator();
90 |  |
91 | 1182 |
         if( bothAreSets( lhsValue, rhsValue ) )
92 |  |
           {
93 | 0 |
           return evaluateSetSet( (List) lhsValue, (List) rhsValue, nav );
94 |  |
           }
95 |  |
96 | 1182 |
         if( eitherIsSet( lhsValue, rhsValue ) )
97 |  |
           {
98 | 144 |
           if( isSet( lhsValue ) )
99 |  |
             {
100 | 0 |
             return evaluateSetSet( (List) lhsValue, convertToList( rhsValue ), nav );
101 |  |
             }
102 |  |
           else
103 |  |
             {
104 | 144 |
             return evaluateSetSet( convertToList( lhsValue ), (List) rhsValue, nav );
105 |  |
             }
106 |  |
           }
107 |  |
108 | 1038 |
         return evaluateObjectObject( lhsValue, rhsValue, nav ) ? Boolean.TRUE : Boolean.FALSE;
109 |  |
         }
110 |  |
111 |  |
       private Object evaluateSetSet( List lhsSet, List rhsSet, Navigator nav )
112 |  |
         {
113 | 144 |
         if( setIsEmpty( lhsSet ) || setIsEmpty( rhsSet ) ) // return false if either is null or empty
114 |  |
           {
115 | 0 |
           return Boolean.FALSE;
116 |  |
           }
117 |  |
118 | 144 |
         for( Iterator lhsIterator = lhsSet.iterator(); lhsIterator.hasNext(); )
119 |  |
           {
120 | 144 |
           Object lhs = lhsIterator.next();
121 |  |
122 | 144 |
           for( Iterator rhsIterator = rhsSet.iterator(); rhsIterator.hasNext(); )
123 |  |
             {
124 | 720 |
             Object rhs = rhsIterator.next();
125 |  |
126 | 720 |
             if( evaluateObjectObject( lhs, rhs, nav ) )
127 |  |
               {
128 | 96 |
               return Boolean.TRUE;
129 |  |
               }
130 |  |
             }
131 |  |
           }
132 |  |
133 | 48 |
         return Boolean.FALSE;
134 |  |
         }
135 |  |
136 |  |
       private boolean evaluateObjectObject( Object lhs, Object rhs, Navigator nav )
137 |  |
         {
138 | 1758 |
         if( lhs == null || rhs == null )
139 |  |
           {
140 | 0 |
           return false;
141 |  |
           }
142 |  |
143 | 1758 |
         Double lhsNum = NumberFunction.evaluate( lhs, nav );
144 | 1758 |
         Double rhsNum = NumberFunction.evaluate( rhs, nav );
145 |  |
146 | 1758 |
         if( NumberFunction.isNaN( lhsNum ) || NumberFunction.isNaN( rhsNum ) )
147 |  |
           {
148 | 0 |
           return false;
149 |  |
           }
150 |  |
151 | 1758 |
         return evaluateDoubleDouble( lhsNum, rhsNum );
152 |  |
         }
153 |  |
154 |  |
       protected abstract boolean evaluateDoubleDouble( Double lhs, Double rhs );
155 |  |
       }
156 |  |