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);
}
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);
}
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);
}
