Coverage report

  %line %branch
org.apache.commons.jelly.tags.xml.IfTag
76% 
90% 

 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.xml;
 17  
 
 18  
 import org.apache.commons.jelly.JellyTagException;
 19  
 import org.apache.commons.jelly.MissingAttributeException;
 20  
 import org.apache.commons.jelly.XMLOutput;
 21  
 import org.apache.commons.jelly.xpath.XPathTagSupport;
 22  
 import org.jaxen.JaxenException;
 23  
 import org.jaxen.XPath;
 24  
 
 25  
 /**
 26  
  * Evaluates the XPath expression to be a boolean and only evaluates the body
 27  
  * if the expression is true.
 28  
  * @author <a href="mailto:jstrachan@apache.org">James Strachan</a>
 29  
  * @version $Revision: 1.5 $
 30  
  */
 31  1
 public class IfTag extends XPathTagSupport {
 32  
 
 33  
     /** The XPath expression to evaluate. */
 34  
     private XPath select;
 35  
 
 36  2
     public IfTag() {
 37  2
     }
 38  
 
 39  
     // Tag interface
 40  
     //-------------------------------------------------------------------------
 41  
     public void doTag(XMLOutput output) throws MissingAttributeException, JellyTagException {
 42  2
         if (select == null) {
 43  0
             throw new MissingAttributeException( "select" );
 44  
         }
 45  
 
 46  2
         Object xpathContext = getXPathContext();
 47  
 
 48  
         try {
 49  2
             if ( select.booleanValueOf(xpathContext) ) {
 50  0
                 invokeBody(output);
 51  
             }
 52  2
         } catch (JaxenException e) {
 53  0
             throw new JellyTagException(e);
 54  
         }
 55  2
     }
 56  
 
 57  
     // Properties
 58  
     //-------------------------------------------------------------------------
 59  
 
 60  
     /** Sets the XPath expression to evaluate. */
 61  
     public void setSelect(XPath select) {
 62  2
         this.select = select;
 63  2
     }
 64  
 
 65  
     // Implementation methods
 66  
     //-------------------------------------------------------------------------
 67  
     protected Object getXPathContext() {
 68  2
         ForEachTag tag = (ForEachTag) findAncestorWithClass( ForEachTag.class );
 69  2
         if ( tag != null ) {
 70  0
             return tag.getXPathContext();
 71  
         }
 72  2
         return null;
 73  
     }
 74  
 
 75  
 }

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