Coverage report

  %line %branch
org.apache.commons.jelly.tags.jsl.XPathPatternExpression
67% 
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.jsl;
 17   
 
 18   
 import org.apache.commons.jelly.JellyContext;
 19   
 import org.apache.commons.jelly.expression.ExpressionSupport;
 20   
 import org.dom4j.rule.Pattern;
 21   
 import org.jaxen.VariableContext;
 22   
 
 23   
 /** An expression which returns an XPath based Pattern (like an XSLT pattern).
 24   
   *
 25   
   * @author <a href="mailto:jstrachan@apache.org">James Strachan</a>
 26   
   * @version $Revision: 155420 $
 27   
   */
 28   
 public class XPathPatternExpression extends ExpressionSupport implements VariableContext {
 29   
 
 30   
     private String text;
 31   
     private Pattern pattern;
 32   
     private JellyContext context;
 33   
 
 34  78 
     public XPathPatternExpression(String text, Pattern pattern) {
 35  78 
         this.text = text;
 36  78 
         this.pattern = pattern;
 37  78 
     }
 38   
 
 39   
     // Expression interface
 40   
     //-------------------------------------------------------------------------
 41   
     public String getExpressionText() {
 42  0 
         return text;
 43   
     }
 44   
 
 45   
     public Object evaluate(JellyContext context) {
 46  72 
         this.context = context;
 47   
         //pattern.setVariableContext(this);
 48  72 
         return pattern;
 49   
     }
 50   
 
 51   
     // VariableContext interface
 52   
     //-------------------------------------------------------------------------
 53   
     public Object getVariableValue(
 54   
         String namespaceURI,
 55   
         String prefix,
 56   
         String localName) {
 57   
 
 58  0 
         Object value = context.getVariable(localName);
 59   
 
 60   
         //log.info( "Looking up XPath variable of name: " + localName + " value is: " + value );
 61   
 
 62  0 
         return value;
 63   
     }
 64   
 }

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