Coverage report

  %line %branch
org.apache.commons.jelly.tags.beanshell.JellyInterpreter
93% 
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.beanshell;
 17   
 
 18   
 import bsh.EvalError;
 19   
 import bsh.Interpreter;
 20   
 
 21   
 import java.util.Iterator;
 22   
 
 23   
 import org.apache.commons.jelly.JellyContext;
 24   
 
 25   
 import org.apache.commons.logging.Log;
 26   
 import org.apache.commons.logging.LogFactory;
 27   
 
 28   
 /** Integrates BeanShell's interpreter with Jelly's JellyContext
 29   
   *
 30   
   * @author <a href="mailto:jstrachan@apache.org">James Strachan</a>
 31   
   * @version $Revision: 155420 $
 32   
   */
 33   
 public class JellyInterpreter extends Interpreter {
 34   
 
 35   
     /** The Log to which logging calls will be made. */
 36  12 
     private static final Log log = LogFactory.getLog( JellyInterpreter.class );
 37   
 
 38   
     private JellyContext context;
 39   
 
 40  24 
     public JellyInterpreter() {
 41  24 
     }
 42   
 
 43   
     public JellyContext getJellyContext() {
 44  0 
         return context;
 45   
     }
 46   
 
 47   
     public void setJellyContext(JellyContext context) throws EvalError {
 48  24 
         this.context = context;
 49   
 
 50   
         // now pass in all the variables
 51  24 
         for ( Iterator iter = context.getVariableNames(); iter.hasNext(); ) {
 52  96 
             String name = (String) iter.next();
 53  96 
             Object value = context.getVariable(name);
 54  96 
             name = convertVariableName(name);
 55  96 
             if (name != null) {
 56  96 
                 set( name, value );
 57   
             }
 58   
         }
 59   
 
 60   
         // lets pass in the Jelly context
 61  24 
         set( "context", context );
 62  24 
     }
 63   
 
 64   
 /*
 65   
 
 66   
     // the following code doesn't work - it seems that
 67   
     // all variables must be passed into the Interpreter
 68   
     // via set() method
 69   
 
 70   
     public Object get(String name) throws EvalError {
 71   
         if ( context != null ) {
 72   
             Object answer = context.getVariable( name );
 73   
             if ( answer != null ) {
 74   
                 return answer;
 75   
             }
 76   
         }
 77   
         return super.get( name );
 78   
     }
 79   
 */
 80   
 
 81   
     /**
 82   
      * Converts variables to a beanshell allowable format or hides names that
 83   
      * can't be converted, by returning null.
 84   
      * For now lets just turn '.' into '_'
 85   
      */
 86   
     protected String convertVariableName(String name) {
 87  96 
         return name.replace('.', '_');
 88   
     }
 89   
 }

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