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org.apache.commons.jelly.tags.define.InvokeTag |
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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 | package org.apache.commons.jelly.tags.define; |
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17 | ||
18 | import org.apache.commons.jelly.JellyTagException; |
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19 | import org.apache.commons.jelly.MissingAttributeException; |
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20 | import org.apache.commons.jelly.Script; |
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21 | import org.apache.commons.jelly.TagSupport; |
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22 | import org.apache.commons.jelly.XMLOutput; |
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23 | import org.apache.commons.logging.Log; |
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24 | import org.apache.commons.logging.LogFactory; |
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25 | ||
26 | /** |
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27 | * The <invoke> tag will invoke a given Script instance. |
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28 | * It can be used with the <script> tag which defines scripts |
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29 | * as variables that can later be invoked by this <invoke> tag. |
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30 | * |
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31 | * @author <a href="mailto:jstrachan@apache.org">James Strachan</a> |
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32 | * @version $Revision: 155420 $ |
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33 | */ |
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34 | public class InvokeTag extends TagSupport { |
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35 | ||
36 | /** The Log to which logging calls will be made. */ |
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37 | 18 | private static final Log log = LogFactory.getLog(InvokeTag.class); |
38 | ||
39 | private Script script; |
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40 | ||
41 | ||
42 | 3 | public InvokeTag() { |
43 | 3 | } |
44 | ||
45 | /** |
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46 | * Sets the Script to be invoked by this tag, which typically has been previously |
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47 | * defined by the use of the <script> tag. |
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48 | */ |
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49 | public void setScript(Script script) { |
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50 | 3 | this.script = script; |
51 | 3 | } |
52 | ||
53 | // Tag interface |
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54 | //------------------------------------------------------------------------- |
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55 | public void doTag(XMLOutput output) throws MissingAttributeException, JellyTagException { |
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56 | 3 | if ( script == null ) { |
57 | 0 | throw new MissingAttributeException("script"); |
58 | } |
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59 | 3 | script.run(context, output); |
60 | 3 | } |
61 | } |
This report is generated by jcoverage, Maven and Maven JCoverage Plugin. |