Coverage report

| %line | %branch
--- | --- | ---
org.apache.commons.jexl.parser.ASTAddNode |
83% |
100% |

1 |  |
     /*
2 |  |
      * Copyright 2002,2004 The Apache Software Foundation.
3 |  |
      *
4 |  |
      * 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.
6 |  |
      * You may obtain a copy of the License at
7 |  |
      *
8 |  |
      *      http://www.apache.org/licenses/LICENSE-2.0
9 |  |
      *
10 |  |
      * 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.JexlContext;
20 |  |
     import org.apache.commons.jexl.util.Coercion;
21 |  |
22 |  |
     /**
23 |  |
      *  Addition : either integer addition or string concatenation
24 |  |
      *
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      *  @author <a href="mailto:geirm@apache.org">Geir Magnusson Jr.</a>
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      *  @version $Id: ASTAddNode.java,v 1.7 2004/08/24 02:22:12 dion Exp $
27 |  |
      */
28 |  |
     public class ASTAddNode extends SimpleNode
29 |  |
     {
30 |  |
         public ASTAddNode(int id)
31 |  |
         {
32 | 0 |
             super(id);
33 | 0 |
         }
34 |  |
35 |  |
         public ASTAddNode(Parser p, int id)
36 |  |
         {
37 | 207 |
             super(p, id);
38 | 207 |
         }
39 |  |
40 |  |
41 |  |
         /** Accept the visitor. **/
42 |  |
         public Object jjtAccept(ParserVisitor visitor, Object data)
43 |  |
         {
44 | 0 |
             return visitor.visit(this, data);
45 |  |
         }
46 |  |
47 |  |
         public Object value(JexlContext context)
48 |  |
             throws Exception
49 |  |
         {
50 | 207 |
             Object left = ((SimpleNode) jjtGetChild(0)).value(context);
51 | 207 |
             Object right = ((SimpleNode) jjtGetChild(1)).value(context);
52 |  |
53 |  |
             /*
54 |  |
              *  the spec says 'and'
55 |  |
              */
56 | 207 |
             if (left == null && right == class="keyword">null)
57 | 15 |
                 return new Long(0);
58 |  |
59 |  |
             /*
60 |  |
              *  if anything is float, double or string with ( "." | "E" | "e")
61 |  |
              *  coerce all to doubles and do it
62 |  |
              */
63 | 192 |
             if (left instanceof Float || left instanceof Double
64 | 14 |
                 || right instanceof Float || right instanceof Double
65 | 14 |
                 || (  left instanceof String
66 | 5 |
                       && (  ((String) left).indexOf(".") != -1 ||
67 | 5 |
                             ((String) left).indexOf("e") != -1 ||
68 | 2 |
                             ((String) left).indexOf("E") != -1 )
69 |  |
                    )
70 | 11 |
                 || (  right instanceof String
71 | 1 |
                       && (  ((String) right).indexOf(".") != -1 ||
72 | 1 |
                             ((String) right).indexOf("e") != -1 ||
73 | 1 |
                             ((String) right).indexOf("E") != -1)
74 |  |
                    )
75 |  |
                 )
76 |  |
             {
77 |  |
78 |  |
                 /*
79 |  |
                  * in the event that either is null and not both, then just make the
80 |  |
                  * null a 0
81 |  |
                  */
82 |  |
83 |  |
                 try
84 |  |
                 {
85 | 36 |
                     Double l = left == null ? new Double(0) : Coercion.coerceDouble(left);
86 | 0 |
                     Double r = right == null? new Double(0) : Coercion.coerceDouble(right);
87 |  |
88 | 0 |
                     return new Double(l.doubleValue() + r.doubleValue());
89 |  |
                 }
90 | 14 |
                 catch( java.lang.NumberFormatException nfe )
91 |  |
                 {
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                     /*
93 |  |
                      * Well, use strings!
94 |  |
                      */
95 | 36 |
                     return left.toString().concat(right.toString());
96 |  |
                 }
97 |  |
             }
98 |  |
99 |  |
             /*
100 |  |
              * attempt to use Longs
101 |  |
              */
102 |  |
             try
103 |  |
             {
104 | 156 |
                 Long l = left == null ? new Long(0) : Coercion.coerceLong(left);
105 | 135 |
                 Long r = right == null ? new Long(0) : Coercion.coerceLong(right);
106 |  |
107 | 135 |
                 return new Long(l.longValue() + r.longValue());
108 |  |
             }
109 | 9 |
             catch( java.lang.NumberFormatException nfe )
110 |  |
             {
111 |  |
                 /*
112 |  |
                  * Well, use strings!
113 |  |
                  */
114 | 21 |
                 return left.toString().concat(right.toString());
115 |  |
             }
116 |  |
         }
117 |  |
     }

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