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package org.jboss.weld.environment.servlet.util;

import java.beans.FeatureDescriptor;
import java.util.Iterator;

import javax.el.ELContext;
import javax.el.ELResolver;

/**
 * An ELResolver that behaves as though it is invisible, meaning it's
 * indempontent to the chain and the next ELResolver in the line will be
 * consulted.
 * 
 * @author Dan Allen
 */
public class TransparentELResolver extends ELResolver
{
   @Override
   public Class getCommonPropertyType(ELContext arg0, Object arg1)
   {
      return null;
   }

   @Override
   public Iterator getFeatureDescriptors(ELContext arg0, Object arg1)
   {
      return null;
   }

   @Override
   public Class getType(ELContext arg0, Object arg1, Object arg2)
   {
      return null;
   }

   @Override
   public Object getValue(ELContext arg0, Object arg1, Object arg2)
   {
      return null;
   }

   @Override
   public boolean isReadOnly(ELContext arg0, Object arg1, Object arg2)
   {
      return false;
   }

   @Override
   public void setValue(ELContext arg0, Object arg1, Object arg2, Object arg3)
   {
   }

}