Coverage report

| %line | %branch
--- | --- | ---
org.apache.commons.jexl.parser.ASTSubtractNode |
54% |
94% |

1 |  |
     /*
2 |  |
      * Copyright 2002,2004 The Apache Software Foundation.
3 |  |
      *
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      * Licensed under the Apache License, Version 2.0 (the "License");
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      * you may not use this file except in compliance with the License.
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      * You may obtain a copy of the License at
7 |  |
      *
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      *      http://www.apache.org/licenses/LICENSE-2.0
9 |  |
      *
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      * Unless required by applicable law or agreed to in writing, software
11 |  |
      * distributed under the License is distributed on an "AS IS" BASIS,
12 |  |
      * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 |  |
      * See the License for the specific language governing permissions and
14 |  |
      * limitations under the License.
15 |  |
      */
16 |  |
17 |  |
     package org.apache.commons.jexl.parser;
18 |  |
19 |  |
     import org.apache.commons.jexl.util.Coercion;
20 |  |
     import org.apache.commons.jexl.JexlContext;
21 |  |
22 |  |
     /**
23 |  |
      *  Subtraction
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      *
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      *  @author <a href="mailto:geirm@apache.org">Geir Magnusson Jr.</a>
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      *  @author <a href="mailto:mhw@kremvax.net">Mark H. Wilkinson</a>
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      *  @version $Id: ASTSubtractNode.java,v 1.5 2004/02/28 13:45:20 yoavs Exp $
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      */
29 |  |
     public class ASTSubtractNode extends SimpleNode
30 |  |
     {
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         public ASTSubtractNode(int id)
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         {
33 | 0 |
             super(id);
34 | 0 |
         }
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36 |  |
         public ASTSubtractNode(Parser p, int id)
37 |  |
         {
38 | 105 |
             super(p, id);
39 | 105 |
         }
40 |  |
41 |  |
         public Object value(JexlContext context)
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             throws Exception
43 |  |
         {
44 | 105 |
             Object left = ((SimpleNode) jjtGetChild(0)).value(context);
45 | 105 |
             Object right = ((SimpleNode) jjtGetChild(1)).value(context);
46 |  |
47 |  |
             /*
48 |  |
              *  the spec says 'and', I think 'or'
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              */
50 | 105 |
             if (left == null && right == class="keyword">null)
51 | 0 |
                 return new Integer(0);
52 |  |
53 |  |
             /*
54 |  |
              *  if anything is float, double or string with ( "." | "E" | "e")
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              *  coerce all to doubles and do it
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              */
57 | 105 |
             if ( left instanceof Float || left instanceof Double
58 | 7 |
                 || right instanceof Float || right instanceof Double
59 | 7 |
                 || (  left instanceof String
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                      && (  ((String) left).indexOf(".") != -1 ||
61 |  |
                         ((String) left).indexOf("e") != -1 ||
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                         ((String) left).indexOf("E") != -1 )
63 |  |
                 )
64 | 7 |
                 || (  right instanceof String
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                     && (  ((String) right).indexOf(".") != -1 ||
66 |  |
                     ((String) right).indexOf("e") != -1 ||
67 |  |
                     ((String) right).indexOf("E") != -1 )
68 |  |
                    )
69 |  |
             )
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             {
71 | 0 |
                 Double l = Coercion.coerceDouble(left);
72 | 0 |
                 Double r = Coercion.coerceDouble(right);
73 |  |
74 | 0 |
                 return new Double(l.doubleValue() - r.doubleValue());
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             }
76 |  |
77 |  |
             /*
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              * otherwise to longs with thee!
79 |  |
              */
80 |  |
81 | 105 |
             Long l = Coercion.coerceLong(left);
82 | 105 |
             Long r = Coercion.coerceLong(right);
83 |  |
84 |  |
             /*
85 |  |
              *  TODO - this is actually wrong - JSTL says to return a Long
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              *  but we have problems where you have something like
87 |  |
              *
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              *     foo.bar( a - b )
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              *
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              *  where bar wants an int...
91 |  |
              *
92 |  |
              */
93 | 105 |
             long v = l.class="keyword">longValue() - r.class="keyword">longValue();
94 |  |
95 | 105 |
             if ( left instanceof Integer && right instanceof Integer )
96 |  |
             {
97 | 90 |
                 return new Integer((int) v);
98 |  |
             }
99 |  |
             else
100 |  |
             {
101 | 15 |
                 return new Long(v);
102 |  |
             }
103 |  |
          }
104 |  |
         /** Accept the visitor. **/
105 |  |
         public Object jjtAccept(ParserVisitor visitor, Object data)
106 |  |
         {
107 | 0 |
             return visitor.visit(this, data);
108 |  |
         }
109 |  |
     }

This report is generated by jcoverage, Maven and Maven JCoverage Plugin.