/*
    * 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.io.BufferedReader;
  import java.io.IOException;
  import java.io.UnsupportedEncodingException;
  import java.lang.reflect.InvocationHandler;
  import java.lang.reflect.Method;
  import java.lang.reflect.Proxy;
  import java.security.Principal;
  import java.util.Collections;
  import java.util.Enumeration;
  import java.util.HashMap;
  import java.util.Locale;
  import java.util.Map;
  
  import javax.servlet.RequestDispatcher;
  import javax.servlet.ServletInputStream;
  import javax.servlet.ServletRequest;
  import javax.servlet.http.Cookie;
  import javax.servlet.http.HttpServletRequest;
  import javax.servlet.http.HttpServletRequestWrapper;
  import javax.servlet.http.HttpSession;
  
  /**
   * @author Werner Punz (latest modification by $Author$)
   * @version $Revision$ $Date$
   *
   * Dummy request for various system event listeners
   *
   * 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 _SystemEventServletRequest extends HttpServletRequestWrapper
  {
  
      Map<String, Object> _attributesMap = new HashMap<String, Object>();
  
      public _SystemEventServletRequest()
      {
          super((HttpServletRequest) Proxy.newProxyInstance(
                  HttpServletRequest.class.getClassLoader(),
                  new Class[]{HttpServletRequest.class},
                  new InvocationHandler()
                  {
                      public Object invoke(Object proxy, Method m, Object[] args)
                      {
                          throw new UnsupportedOperationException("This request class is an empty placeholder");
                      }
                  }));
      }
  
      public Object getAttribute(String s)
      {
          return _attributesMap.get(s);
      }
  
      public void setAttribute(String s, Object o)
      {
          _attributesMap.put(s, o);
      }
  
      public void removeAttribute(String s)
      {
          _attributesMap.remove(s);
      }
  
      public String getServletPath()
      {
          return null;
      }
  
      public String getPathInfo()
      {
          return null;
      }
  
      @Override
      public HttpSession getSession()
     {
         return null;
     }
 
     @Override
     public HttpSession getSession(boolean create)
     {
         return null;
     }
 
     @Override
     public int getContentLength()
     {
         return -1;
     }
 
     @Override
     public String getContentType()
     {
         return null;
     }
 
     @Override
     public String getCharacterEncoding()
     {
         return null;
     }
 
     @Override
     public String getHeader(String name)
     {
         return null;
     }
 
     @Override
     public Enumeration getHeaderNames()
     {
         return Collections.enumeration(Collections.emptyList());
     }
 
     @Override
     public Enumeration getHeaders(String name)
     {
         return Collections.enumeration(Collections.EMPTY_LIST);
     }
 
     @Override
     public Cookie[] getCookies()
     {
         return new Cookie[0];
     }
 
     @Override
     public String getAuthType()
     {
         return null;
     }
 
     @Override
     public String getContextPath()
     {
         return null;
     }
 
     @Override
     public long getDateHeader(String name)
     {
         return -1;
     }
 
     @Override
     public int getIntHeader(String name)
     {
         return -1;
     }
 
     @Override
     public String getMethod()
     {
         return null;
     }
 
     @Override
     public String getPathTranslated()
     {
         return null;
     }
 
     @Override
     public String getQueryString()
     {
         return null;
     }
 
     @Override
     public String getRemoteUser()
     {
         return null;
     }
 
     @Override
     public String getRequestedSessionId()
     {
         return null;
     }
 
     @Override
     public String getRequestURI()
     {
         return null;
     }
 
     @Override
     public StringBuffer getRequestURL()
     {
         return null;
     }
 
     @Override
     public Principal getUserPrincipal()
     {
         return null;
     }
 
     @Override
     public boolean isRequestedSessionIdFromCookie()
     {
         return false;
     }
 
     @Override
     public boolean isRequestedSessionIdFromUrl()
     {
         return false;
     }
 
     @Override
     public boolean isRequestedSessionIdFromURL()
     {
         return false;
     }
 
     @Override
     public boolean isRequestedSessionIdValid()
     {
         return false;
     }
 
     @Override
     public boolean isUserInRole(String role)
     {
         return false;
     }
 
     @Override
     public Enumeration getAttributeNames()
     {
         return Collections.enumeration(Collections.EMPTY_LIST);
     }
 
     @Override
     public ServletInputStream getInputStream() throws IOException
     {
         return null;
     }
 
     @Override
     public String getLocalAddr()
     {
         return null;
     }
 
     @Override
     public Locale getLocale()
     {
         return null;
     }
 
     @Override
     public Enumeration getLocales()
     {
         return Collections.enumeration(Collections.emptyList());
     }
 
     @Override
     public String getLocalName()
     {
         return null;
     }
 
     @Override
     public int getLocalPort()
     {
         return -1;
     }
 
     @Override
     public String getParameter(String name)
     {
         return null;
     }
 
     @Override
     public Map getParameterMap()
     {
         return Collections.emptyMap();
     }
 
     @Override
     public Enumeration getParameterNames()
     {
         return Collections.enumeration(Collections.emptyList());
     }
 
     @Override
     public String[] getParameterValues(String name)
     {
         return new String[0];
     }
 
     @Override
     public String getProtocol()
     {
         return null;
     }
 
     @Override
     public BufferedReader getReader() throws IOException
     {
         return null;
     }
 
     @Override
     public String getRealPath(String path)
     {
         return null;
     }
 
     @Override
     public String getRemoteAddr()
     {
         return null;
     }
 
     @Override
     public String getRemoteHost()
     {
         return null;
     }
 
     @Override
     public int getRemotePort()
     {
         return -1;
     }
 
     @Override
     public ServletRequest getRequest()
     {
         return null;
     }
 
     @Override
     public RequestDispatcher getRequestDispatcher(String path)
     {
         return null;
     }
 
     @Override
     public String getScheme()
     {
         return null;
     }
 
     @Override
     public String getServerName()
     {
         return null;
     }
 
     @Override
     public int getServerPort()
     {
         return -1;
     }
 
     @Override
     public boolean isSecure()
     {
         return false;
     }
 
     @Override
     public void setCharacterEncoding(String enc)
             throws UnsupportedEncodingException
     {
     }
 
     @Override
     public void setRequest(ServletRequest request)
     {
     }
 }