//
   //  ========================================================================
   //  Copyright (c) 1995-2013 Mort Bay Consulting Pty. Ltd.
   //  ------------------------------------------------------------------------
   //  All rights reserved. This program and the accompanying materials
   //  are made available under the terms of the Eclipse Public License v1.0
   //  and Apache License v2.0 which accompanies this distribution.
   //
   //      The Eclipse Public License is available at
  //      http://www.eclipse.org/legal/epl-v10.html
  //
  //      The Apache License v2.0 is available at
  //      http://www.opensource.org/licenses/apache2.0.php
  //
  //  You may elect to redistribute this code under either of these licenses.
  //  ========================================================================
  //
  
  package org.eclipse.jetty.nested;
  
  import java.io.IOException;
  import java.util.Enumeration;
  
  import javax.servlet.ServletException;
  import javax.servlet.ServletInputStream;
  import javax.servlet.http.HttpServletRequest;
  import javax.servlet.http.HttpServletResponse;
  
  import org.eclipse.jetty.http.HttpFields;
  import org.eclipse.jetty.http.HttpURI;
  import org.eclipse.jetty.io.Connection;
  import org.eclipse.jetty.server.AbstractHttpConnection;
  import org.eclipse.jetty.server.DispatcherType;
  
  
  public class NestedConnection extends AbstractHttpConnection
  {
      protected NestedConnection(final NestedConnector connector, final NestedEndPoint endp, final HttpServletRequest outerRequest, HttpServletResponse outerResponse,String nestedIn)
          throws IOException
      {
          super(connector,
                endp,
                connector.getServer(),
                new NestedParser(),
                new NestedGenerator(connector.getResponseBuffers(),endp,outerResponse,nestedIn),
                new NestedRequest(outerRequest));
  
          ((NestedRequest)_request).setConnection(this);
          
          // Set the request line
          _request.setDispatcherType(DispatcherType.REQUEST);
          _request.setScheme(outerRequest.getScheme());
          _request.setMethod(outerRequest.getMethod());
          String uri=outerRequest.getQueryString()==null?outerRequest.getRequestURI():(outerRequest.getRequestURI()+"?"+outerRequest.getQueryString());
          _request.setUri(new HttpURI(uri));
          _request.setPathInfo(outerRequest.getRequestURI());
          _request.setQueryString(outerRequest.getQueryString());
          _request.setProtocol(outerRequest.getProtocol());
          
          // Set the headers
          HttpFields fields = getRequestFields();
          for (Enumeration<String> e=outerRequest.getHeaderNames();e.hasMoreElements();)
          {
              String header=e.nextElement();
              String value=outerRequest.getHeader(header);
              fields.add(header,value);
          }
          
          // Let outer parse the cookies
          _request.setCookies(outerRequest.getCookies());
          
          // copy request attributes
          for (Enumeration<String> e=outerRequest.getAttributeNames();e.hasMoreElements();)
          {
              String attr=e.nextElement();
              _request.setAttribute(attr,outerRequest.getAttribute(attr));
          }
          
          // customize the request
          connector.customize(endp,_request);
          
          // System.err.println(_request.getMethod()+" "+_request.getUri()+" "+_request.getProtocol());
          // System.err.println(fields.toString());
      }
  
      void service() throws IOException, ServletException
      {
          setCurrentConnection(this);
          try
          {
              getServer().handle(this);
              completeResponse();
              while (!_generator.isComplete() && _endp.isOpen())
                  _generator.flushBuffer();
              _endp.flush();
          }
          finally
          {
              setCurrentConnection(null);
         }
     }
 
     /* (non-Javadoc)
      * @see org.eclipse.jetty.server.HttpConnection#getInputStream()
      */
     @Override
     public ServletInputStream getInputStream() throws IOException
     {
         return ((NestedEndPoint)_endp).getServletInputStream();
     }
 
     /* (non-Javadoc)
      * @see org.eclipse.jetty.server.HttpConnection#handle()
      */
     @Override
     public Connection handle() throws IOException
     {
         throw new IllegalStateException();
     }
 
 }