Coverage report

| %line | %branch
--- | --- | ---
org.apache.commons.jexl.parser.ASTEmptyFunction |
83% |
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
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      *
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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,
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      * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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      * 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 |  |
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     import org.apache.commons.jexl.JexlContext;
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21 |  |
     import java.util.Collection;
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     import java.util.Map;
23 |  |
24 |  |
     /**
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      * function to see if reference doesn't exist in context.
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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:tobrien@apache.org">Tim O'Brien</a>
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      * @version $Id: ASTEmptyFunction.java 398190 2006-04-29 16:04:10Z dion $
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      */
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     public class ASTEmptyFunction extends SimpleNode {
32 |  |
         /**
33 |  |
          * Create the node given an id.
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          *
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          * @param id node id.
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          */
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         public ASTEmptyFunction(int id) {
38 | 0 |
             super(id);
39 | 0 |
         }
40 |  |
41 |  |
         /**
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          * Create a node with the given parser and id.
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          *
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          * @param p a parser.
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          * @param id node id.
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          */
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         public ASTEmptyFunction(Parser p, int id) {
48 | 22 |
             super(p, id);
49 | 22 |
         }
50 |  |
51 |  |
         /** {@inheritDoc} */
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         public Object jjtAccept(ParserVisitor visitor, Object data) {
53 | 0 |
             return visitor.visit(this, data);
54 |  |
         }
55 |  |
56 |  |
         /** {@inheritDoc} */
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         public Object value(JexlContext jc) throws Exception {
58 | 21 |
             SimpleNode sn = (SimpleNode) jjtGetChild(0);
59 |  |
60 |  |
             /*
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              * I can't believe this
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              */
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64 | 21 |
             Object o = sn.value(jc);
65 |  |
66 | 21 |
             if (o == null) {
67 | 3 |
                 return Boolean.TRUE;
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             }
69 |  |
70 | 18 |
             if (o instanceof String && "".equals(o)) {
71 | 9 |
                 return Boolean.TRUE;
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             }
73 |  |
74 | 9 |
             if (o.getClass().isArray() && ((Object[]) o).length == 0) {
75 | 1 |
                 return Boolean.TRUE;
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             }
77 |  |
78 | 8 |
             if (o instanceof Collection && ((Collection) o).isEmpty()) {
79 | 3 |
                 return Boolean.TRUE;
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             }
81 |  |
82 |  |
             /*
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              * Map isn't a collection
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              */
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             if (o instanceof Map && ((Map) o).isEmpty()) {
86 | 1 |
                 return Boolean.TRUE;
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             }
88 |  |
89 | 4 |
             return Boolean.FALSE;
90 |  |
         }
91 |  |
     }

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