/*++

   Copyright    (c)    1999    Microsoft Corporation

   Module  Name :

        TRACE.java

   Abstract:

        This module implements the TRACE verb for static 
        files in ASP.
 
   Author:

        Saurab Nog    ( SaurabN )     03-May-1999

   Environment:

        COM+ - User Mode Managed Run Time
       
   Project:

        Web Server

--*/


using System.IO;
using System.ASP;

namespace System.IIS
{

    public class TraceHandler : IHttpHandler
    {
        
        /********************************************************************++
          
          Routine Description:
          
          This function handles TRACE verb. 
          Echoes the contents of the incoming request.
          
          --********************************************************************/
        
        public void ProcessRequest(HttpContext context)
        {
            HttpRequest     request   =  context.Request;
            HttpResponse    response  =  context.Response;
            
            Stream          RawRequest  = request.InputStream;
            int             length      = (int) RawRequest.GetLength();

            if (length > 0)
            {
                throw new HttpException(HttpStatus.BadRequest, "Entity with TRACE request");
            }
            
            // Echo the request line
            response.Write(request.HttpMethod + " " + request.RawUrl);

            response.Write(" " + request.ServerVariables["SERVER_PROTOCOL"] + "\r\n");
			
            // Echo the request headers (and trailing blank line)
            response.Write(request.ServerVariables["ALL_RAW"]);
            response.Write("\r\n");

            // Set content type as message/http
            response.AppendHeader("Content-Type","message/http");
        }

        public bool IsReusable()
        {
            return true;
        }
    };
}