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org.apache.commons.jelly.tags.define.DefineTagSupport |
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1 | /* |
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2 | * Copyright 2002,2004 The Apache Software Foundation. |
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3 | * |
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4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
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5 | * you may not use this file except in compliance with the License. |
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6 | * You may obtain a copy of the License at |
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7 | * |
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8 | * http://www.apache.org/licenses/LICENSE-2.0 |
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9 | * |
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10 | * Unless required by applicable law or agreed to in writing, software |
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11 | * distributed under the License is distributed on an "AS IS" BASIS, |
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12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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13 | * See the License for the specific language governing permissions and |
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14 | * limitations under the License. |
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15 | */ |
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16 | ||
17 | package org.apache.commons.jelly.tags.define; |
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18 | ||
19 | import org.apache.commons.jelly.JellyTagException; |
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20 | import org.apache.commons.jelly.TagSupport; |
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21 | import org.apache.commons.jelly.impl.DynamicTagLibrary; |
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22 | ||
23 | /** |
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24 | * An abstract base class useful for implementation inheritence. |
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25 | * |
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26 | * @author <a href="mailto:jstrachan@apache.org">James Strachan</a> |
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27 | * @version $Revision: 155420 $ |
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28 | */ |
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29 | 36 | public abstract class DefineTagSupport extends TagSupport { |
30 | ||
31 | // Implementation methods |
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32 | //------------------------------------------------------------------------- |
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33 | ||
34 | /** |
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35 | * @return the current dynamic tag library instance or throws a JellyException |
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36 | * if one is not available |
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37 | */ |
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38 | protected DynamicTagLibrary getTagLibrary() throws JellyTagException { |
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39 | 36 | TaglibTag tag |
40 | 9 | = (TaglibTag) findAncestorWithClass(TaglibTag.class); |
41 | 36 | if ( tag == null ) { |
42 | 0 | throw new JellyTagException( "<define:tag> must be inside <define:taglib>" ); |
43 | } |
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44 | 36 | return tag.getTagLibrary(); |
45 | } |
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46 | ||
47 | } |
This report is generated by jcoverage, Maven and Maven JCoverage Plugin. |