Coverage report

  %line %branch
org.apache.commons.jelly.tags.define.InvokeTag
89% 
100% 

 1  
 /*
 2  
  * Copyright 2002,2004 The Apache Software Foundation.
 3  
  *
 4  
  * Licensed under the Apache License, Version 2.0 (the "License");
 5  
  * you may not use this file except in compliance with the License.
 6  
  * 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  
 package org.apache.commons.jelly.tags.define;
 17  
 
 18  
 import org.apache.commons.jelly.JellyTagException;
 19  
 import org.apache.commons.jelly.MissingAttributeException;
 20  
 import org.apache.commons.jelly.Script;
 21  
 import org.apache.commons.jelly.TagSupport;
 22  
 import org.apache.commons.jelly.XMLOutput;
 23  
 import org.apache.commons.logging.Log;
 24  
 import org.apache.commons.logging.LogFactory;
 25  
 
 26  
 /**
 27  
  * The <invoke> tag will invoke a given Script instance.
 28  
  * It can be used with the <script> tag which defines scripts
 29  
  * as variables that can later be invoked by this <invoke> tag.
 30  
  *
 31  
  * @author <a href="mailto:jstrachan@apache.org">James Strachan</a>
 32  
  * @version $Revision: 155420 $
 33  
  */
 34  
 public class InvokeTag extends TagSupport {
 35  
 
 36  
     /** The Log to which logging calls will be made. */
 37  18
     private static final Log log = LogFactory.getLog(InvokeTag.class);
 38  
 
 39  
     private Script script;
 40  
 
 41  
 
 42  3
     public InvokeTag() {
 43  3
     }
 44  
 
 45  
     /**
 46  
      * Sets the Script to be invoked by this tag, which typically has been previously
 47  
      * defined by the use of the &lt;script&gt; tag.
 48  
      */
 49  
     public void setScript(Script script) {
 50  3
         this.script = script;
 51  3
     }
 52  
 
 53  
     // Tag interface
 54  
     //-------------------------------------------------------------------------
 55  
     public void doTag(XMLOutput output) throws MissingAttributeException, JellyTagException {
 56  3
         if ( script == null ) {
 57  0
             throw new MissingAttributeException("script");
 58  
         }
 59  3
         script.run(context, output);
 60  3
     }
 61  
 }

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