Esempio n. 1
0
        public T Get <T>(string key, Func <T> func, TimeSpan time, CacheExpiryType cacheExpiryType)
        {
            key = InternalCachePrefix + key;
            object o = null;

            if (time > TimeSpan.Zero)
            {
                o = _cache[key];
            }

            if (o != null)
            {
                return(o.To <T>());
            }

            o = func.Invoke();

            if (o != null)
            {
                if (time > TimeSpan.Zero)
                {
                    var absoluteExpiration = cacheExpiryType == CacheExpiryType.Absolute
                        ? DateTime.UtcNow.Add(time)
                        : Cache.NoAbsoluteExpiration;
                    var slidingExpiration = cacheExpiryType == CacheExpiryType.Sliding
                        ? (time)
                        : Cache.NoSlidingExpiration;
                    _cache.Add(key, o, absoluteExpiration, slidingExpiration, CacheItemPriority.AboveNormal);
                }
                return(o.To <T>());
            }
            return((T)(object)null);
        }
Esempio n. 2
0
        public bool Handle(RequestContext context)
        {
            var path      = context.HttpContext.Request.Url.AbsolutePath;
            var extension = Path.GetExtension(path);

            if (_webExtensions.Get.Any(x => x == extension))
            {
                _errorHandler.HandleError(context, 404,
                                          new HttpException(404, string.Format("Cannot find {0}", context.RouteData.Values["data"])));
                return(true);
            }
            if (!string.IsNullOrWhiteSpace(extension))
            {
                var controller =
                    _controllerManager.ControllerFactory.CreateController(context, ControllerName) as ErrorController;
                controller.ControllerContext = new ControllerContext(context, controller)
                {
                    RouteData = context.RouteData
                };

                var routeValueDictionary = new RouteValueDictionary();
                routeValueDictionary["controller"] = ControllerName;
                routeValueDictionary["action"]     = ActionName;
                routeValueDictionary["url"]        = context.HttpContext.Request.Url;
                controller.RouteData.Values.Merge(routeValueDictionary);
                var result = controller.GetHtmlHelper().Action(ActionName, ControllerName, routeValueDictionary).ToString();

                _cacheWrapper.Add(GetMissingFileCacheKey(context.HttpContext.Request), result,
                                  DateTime.UtcNow.Add(TimeSpan.FromMinutes(5)), Cache.NoSlidingExpiration,
                                  CacheItemPriority.AboveNormal);

                context.HttpContext.Response.Clear();
                context.HttpContext.Response.StatusCode             = 404;
                context.HttpContext.Response.TrySkipIisCustomErrors = true;
                context.HttpContext.Response.Write(result);
                context.HttpContext.ApplicationInstance.CompleteRequest();

                return(true);
            }
            return(false);
        }
Esempio n. 3
0
        public bool Handle(RequestContext context)
        {
            string path      = context.HttpContext.Request.Url.AbsolutePath;
            string extension = Path.GetExtension(path);

            if (_siteSettings.WebExtensionsToRoute.Any(x => x == extension))
            {
                _errorHandler.HandleError(context, 404,
                                          new HttpException(404, string.Format("Cannot find {0}", context.RouteData.Values["data"])));
                return(true);
            }
            if (!string.IsNullOrWhiteSpace(extension))
            {
                _cacheWrapper.Add(GetMissingFileCacheKey(context.HttpContext.Request), new object(),
                                  DateTime.UtcNow.Add(TimeSpan.FromMinutes(5)), Cache.NoSlidingExpiration,
                                  CacheItemPriority.AboveNormal);
                context.HttpContext.Response.Clear();
                context.HttpContext.Response.StatusCode             = 404;
                context.HttpContext.Response.TrySkipIisCustomErrors = true;
                context.HttpContext.ApplicationInstance.CompleteRequest();
                return(true);
            }
            return(false);
        }