/*

  * Licensed to the Apache Software Foundation (ASF) under one

  * or more contributor license agreements.  See the NOTICE file

  * distributed with this work for additional information

  * regarding copyright ownership.  The ASF licenses this file

  * to you under the Apache License, Version 2.0 (the

  * "License"); you may not use this file except in compliance

  * with the License.  You may obtain a copy of the License at

  *

  *   http://www.apache.org/licenses/LICENSE-2.0

  *

  * Unless required by applicable law or agreed to in writing,

  * software distributed under the License is distributed on an

  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY

  * KIND, either express or implied.  See the License for the

  * specific language governing permissions and limitations

  * under the License.

  */

 package org.apache.myfaces.application;

 import java.lang.reflect.InvocationHandler;

 import java.lang.reflect.Method;

 import java.lang.reflect.Proxy;

 import javax.servlet.http.HttpServletResponse;

 import javax.servlet.http.HttpServletResponseWrapper;

 /**

  * @author Werner Punz (latest modification by $Author$)

  * @version $Revision$ $Date$

  *

  * the problem with the system event listeners is that they

  * are triggered often outside of an existing request

  * hence we have to provide dummy objects

  */

 public class _SystemEventServletResponse extends HttpServletResponseWrapper

 {

     public _SystemEventServletResponse()

     {

         super( (HttpServletResponse) Proxy.newProxyInstance(

                 HttpServletResponse.class.getClassLoader(),

                 new Class[] { HttpServletResponse.class },

                 new InvocationHandler()

                 {

                     public Object invoke(Object proxy, Method m, Object[] args) 

                     {

                         throw new UnsupportedOperationException("This response class is an empty placeholder");

                     }

                 }));

     }

     @Override

     public String getCharacterEncoding()

     {

         return null;

     }

     @Override

     public String getContentType()

     {

         return null;

     }

     @Override

     public void setCharacterEncoding(String charset)

     {

     }

     @Override

     public void setContentLength(int len)

     {

     }

     @Override

     public void setContentType(String type)

     {

     }

 }