public HttpHandlerResult Run(IHttpHandler httpHandler, HttpFilterEvents eventType)
{
if (string.IsNullOrEmpty(FunctionName))
{
throw new ApplicationException("FunctionName is undefined!");
}
if (Events == HttpFilterEvents.None)
{
return(null);
}
if (!Events.HasFlag(eventType))
{
return(null);
}
if (Function != null)
{
return(Function.Invoke(httpHandler));
}
var method = httpHandler.GetType().GetMethod(FunctionName);
if (method == null)
{
throw new ApplicationException($"HttpFilter method '{FunctionName}' not found!");
}
var @params = new object[] { httpHandler };
return((HttpHandlerResult)method.Invoke(httpHandler, @params));
}
public HttpHandlerResult RunBefore(IHttpHandler httpHandler, HttpFilterEvents eventType)
{
return(Run(httpHandler, HttpFilterEvents.Before));
}
public HttpFilterAttribute()
{
FunctionName = "OnFilter";
Events = HttpFilterEvents.None;
}