Delegates to ASP.Net TraceContext.
Inheritance: ITrace
 public RailsEngineContextAdapter(HttpContext context, String url)
 {
     _url      = url;
     _context  = context;
     _request  = new RequestAdapter(context.Request);
     _trace    = new TraceAdapter(context.Trace);
     _response = new ResponseAdapter(context.Response, _url, ApplicationPath);
     _server   = new ServerUtilityAdapter(context.Server);
 }
		/// <summary>
		/// Initializes a new instance of the <see cref="DefaultRailsEngineContext"/> class.
		/// </summary>
		/// <param name="parent">The parent.</param>
		/// <param name="urlInfo">Url information</param>
		/// <param name="context">The context.</param>
		/// <param name="container">External container instance</param>
		public DefaultRailsEngineContext(IServiceContainer parent, UrlInfo urlInfo,
										 HttpContext context, IServiceProvider container)
			: base(parent)
		{
			_urlInfo = urlInfo;
			_context = context;
			_request = new RequestAdapter(context.Request);
			_trace = new TraceAdapter(context.Trace);
			_server = new ServerUtilityAdapter(context.Server);
			_response = new ResponseAdapter(context.Response, this, ApplicationPath);
			_url = _context.Request.RawUrl;
			_cache = parent.GetService(typeof(ICacheProvider)) as ICacheProvider;
			this.container = container;
		}