Coverage report

| %line | %branch
--- | --- | ---
org.apache.commons.jelly.tags.core.WhileTag |
78% |
90% |

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
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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.jelly.tags.core;
18 |  |
19 |  |
     import org.apache.commons.jelly.JellyTagException;
20 |  |
     import org.apache.commons.jelly.MissingAttributeException;
21 |  |
     import org.apache.commons.jelly.TagSupport;
22 |  |
     import org.apache.commons.jelly.XMLOutput;
23 |  |
     import org.apache.commons.jelly.expression.Expression;
24 |  |
     import org.apache.commons.jelly.impl.BreakException;
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     import org.apache.commons.logging.Log;
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     import org.apache.commons.logging.LogFactory;
27 |  |
28 |  |
     /**
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      * A tag which performs an iteration while the result of an expression is true.
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      *
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      * @author <a href="mailto:eric@ericalexander.net">Eric Alexander</a>
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      * @author dIon Gillard
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      * @version $Revision: 155420 $
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      */
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     public class WhileTag extends TagSupport {
36 |  |
37 |  |
         /** The Log to which logging calls will be made. */
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         private static final Log log = LogFactory.getLog(WhileTag.class);
39 |  |
40 |  |
         /** The expression to use to determine if the while should continue */
41 |  |
         private Expression test;
42 |  |
43 |  |
         /**
44 |  |
          * Create a new while tag
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          */
46 | 26 |
         public WhileTag() {
47 | 26 |
         }
48 |  |
49 |  |
         /**
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          * Tag interface
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          * @param output destination for xml output
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          * @throws MissingAttributeException when the test attribute is missing
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          * @throws Exception for anything else
54 |  |
          */
55 |  |
         public void doTag(XMLOutput output) throws MissingAttributeException, JellyTagException {
56 | 26 |
             if (test != null) {
57 |  |
                 try {
58 | 78 |
                     while (test.evaluateAsBoolean(getContext())) {
59 | 78 |
                         if (log.isDebugEnabled()) {
60 | 0 |
                             log.debug("evaluated to true! gonna keep on chuggin!");
61 |  |
                         }
62 | 78 |
                         invokeBody(output);
63 | 52 |
                     }
64 |  |
                 }
65 | 26 |
                 catch (BreakException e) {
66 | 26 |
                     if (log.isDebugEnabled()) {
67 | 0 |
                         log.debug("loop terminated by break: " + e, e);
68 |  |
                     }
69 | 0 |
                 }
70 | 26 |
             }
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             else {
72 | 0 |
                 throw new MissingAttributeException("test");
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             }
74 | 26 |
         }
75 |  |
76 |  |
         // Properties
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         //-------------------------------------------------------------------------
78 |  |
79 |  |
         /**
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          * Setter for the expression
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          * @param e the expression to test
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          */
83 |  |
         public void setTest(Expression e) {
84 | 26 |
             this.test = e;
85 | 26 |
         }
86 |  |
     }
87 |  |

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