Coverage report

| %line | %branch
--- | --- | ---
org.apache.commons.jexl.parser.ASTAddNode |
72% |
100% |

1 |  |
     /*
2 |  |
      * Copyright 2002-2006 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 |  |
      *
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 398180 2006-04-29 15:40:35Z dion $
27 |  |
      */
28 |  |
     public class ASTAddNode extends SimpleNode {
29 |  |
         /**
30 |  |
          * Create the node given an id.
31 |  |
          *
32 |  |
          * @param id node id.
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          */
34 |  |
         public ASTAddNode(int id) {
35 | 0 |
             super(id);
36 | 0 |
         }
37 |  |
38 |  |
         /**
39 |  |
          * Create a node with the given parser and id.
40 |  |
          *
41 |  |
          * @param p a parser.
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          * @param id node id.
43 |  |
          */
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         public ASTAddNode(Parser p, int id) {
45 | 32 |
             super(p, id);
46 | 32 |
         }
47 |  |
48 |  |
49 |  |
         /**
50 |  |
          * {@inheritDoc}
51 |  |
          */
52 |  |
         public Object jjtAccept(ParserVisitor visitor, Object data) {
53 | 0 |
             return visitor.visit(this, data);
54 |  |
         }
55 |  |
56 |  |
         /**
57 |  |
          * {@inheritDoc}
58 |  |
          */
59 |  |
         public Object value(JexlContext context) throws Exception {
60 | 51 |
             Object left = ((SimpleNode) jjtGetChild(0)).value(context);
61 | 51 |
             Object right = ((SimpleNode) jjtGetChild(1)).value(context);
62 |  |
63 |  |
             /*
64 |  |
              *  the spec says 'and'
65 |  |
              */
66 | 51 |
             if (left == null && right == class="keyword">null) {
67 | 1 |
                 return new Long(0);
68 |  |
             }
69 |  |
70 |  |
             /*
71 |  |
              *  if anything is float, double or string with ( "." | "E" | "e")
72 |  |
              *  coerce all to doubles and do it
73 |  |
              */
74 | 50 |
             if (left instanceof Float || left instanceof Double
75 |  |
                 || right instanceof Float || right instanceof Double
76 |  |
                 || (left instanceof String
77 |  |
                       && (((String) left).indexOf(".") != -1
78 |  |
                               || ((String) left).indexOf("e") != -1
79 |  |
                               || ((String) left).indexOf("E") != -1)
80 |  |
                    )
81 |  |
                 || (right instanceof String
82 |  |
                       && (((String) right).indexOf(".") != -1
83 |  |
                               || ((String) right).indexOf("e") != -1
84 |  |
                               || ((String) right).indexOf("E") != -1)
85 |  |
                    )
86 |  |
                 ) {
87 |  |
88 |  |
                 /*
89 |  |
                  * in the event that either is null and not both, then just make the
90 |  |
                  * null a 0
91 |  |
                  */
92 |  |
93 |  |
                 try {
94 | 5 |
                     Double l = Coercion.coerceDouble(left);
95 | 0 |
                     Double r = Coercion.coerceDouble(right);
96 | 0 |
                     return new Double(l.doubleValue() + r.doubleValue());
97 |  |
                 } catch (java.lang.NumberFormatException nfe) {
98 |  |
                     /*
99 |  |
                      * Well, use strings!
100 |  |
                      */
101 | 5 |
                     return left.toString().concat(right.toString());
102 |  |
                 }
103 |  |
             }
104 |  |
105 |  |
             /*
106 |  |
              * attempt to use Longs
107 |  |
              */
108 |  |
             try {
109 | 45 |
                 Long l = Coercion.coerceLong(left);
110 | 43 |
                 Long r = Coercion.coerceLong(right);
111 | 43 |
                 return new Long(l.longValue() + r.longValue());
112 |  |
             } catch (java.lang.NumberFormatException nfe) {
113 |  |
                 /*
114 |  |
                  * Well, use strings!
115 |  |
                  */
116 | 2 |
                 return left.toString().concat(right.toString());
117 |  |
             }
118 |  |
         }
119 |  |
     }

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