System.Net.Cache.HttpRequestCacheValidator.ValidateRequest C# (CSharp) Method

        protected internal override CacheValidationStatus ValidateRequest() {

            // cleanup context after previous  request
            ZeroPrivateVars();

            string method = Request.Method.ToUpper(CultureInfo.InvariantCulture);
            if(Logging.On)Logging.PrintInfo(Logging.RequestCache, SR.GetString(SR.net_log_cache_request_method, method));

            switch (method) {
                case "GET" :    RequestMethod = HttpMethod.Get;      break;
                case "POST":    RequestMethod = HttpMethod.Post;     break;
                case "HEAD":    RequestMethod = HttpMethod.Head;     break;
                case "PUT" :    RequestMethod = HttpMethod.Put;      break;
                case "DELETE":  RequestMethod = HttpMethod.Delete;   break;
                case "OPTIONS": RequestMethod = HttpMethod.Options;  break;
                case "TRACE":   RequestMethod = HttpMethod.Trace;    break;
                case "CONNECT": RequestMethod = HttpMethod.Connect;  break;
                default:        RequestMethod = HttpMethod.Other;    break;
            }

            // Apply our best knowledge of HTTP caching and return the result
            // that can be hooked up and revised by the upper level
            return Rfc2616.OnValidateRequest(this);
        }