public static CustomErrorSignal Get(HttpApplication application)
{
//if (application == null)
// throw new ArgumentNullException("application");
application = application ?? new HttpApplication();
lock (Lock)
{
//
// Allocate map of object per application on demand.
//
if (_signalByApp == null)
{
_signalByApp = new Hashtable();
}
//
// Get the list of modules for the application. If this is
// the first registration for the supplied application object
// then setup a new and empty list.
//
var signal = (CustomErrorSignal)_signalByApp[application];
if (signal == null)
{
signal = new CustomErrorSignal();
_signalByApp.Add(application, signal);
application.Disposed += OnApplicationDisposed;
}
return(signal);
}
}
/// <summary>
/// Initializes the module and prepares it to handle requests.
/// </summary>
protected override void OnInit(HttpApplication application)
{
//if (application == null)
// throw new ArgumentNullException("application");
application = application ?? new HttpApplication();
application.Error += OnError;
CustomErrorSignal.Get(application).Raised += OnCustomErrorSignaled;
}