public void Initialize(HttpApplication application) { for (IntegratedPipelineBlueprintStage stage = _blueprint.FirstStage; stage != null; stage = stage.NextStage) { var segment = new IntegratedPipelineContextStage(this, stage); switch (stage.Name) { case Constants.StageAuthenticate: application.AddOnAuthenticateRequestAsync(segment.BeginEvent, segment.EndEvent); break; case Constants.StagePostAuthenticate: application.AddOnPostAuthenticateRequestAsync(segment.BeginEvent, segment.EndEvent); break; case Constants.StageAuthorize: application.AddOnAuthorizeRequestAsync(segment.BeginEvent, segment.EndEvent); break; case Constants.StagePostAuthorize: application.AddOnPostAuthorizeRequestAsync(segment.BeginEvent, segment.EndEvent); break; case Constants.StageResolveCache: application.AddOnResolveRequestCacheAsync(segment.BeginEvent, segment.EndEvent); break; case Constants.StagePostResolveCache: application.AddOnPostResolveRequestCacheAsync(segment.BeginEvent, segment.EndEvent); break; case Constants.StageMapHandler: application.AddOnMapRequestHandlerAsync(segment.BeginEvent, segment.EndEvent); break; case Constants.StagePostMapHandler: application.AddOnPostMapRequestHandlerAsync(segment.BeginEvent, segment.EndEvent); break; case Constants.StageAcquireState: application.AddOnAcquireRequestStateAsync(segment.BeginEvent, segment.EndEvent); break; case Constants.StagePostAcquireState: application.AddOnPostAcquireRequestStateAsync(segment.BeginEvent, segment.EndEvent); break; case Constants.StagePreHandlerExecute: application.AddOnPreRequestHandlerExecuteAsync(segment.BeginEvent, segment.EndEvent); break; default: throw new NotSupportedException( string.Format(CultureInfo.InvariantCulture, Resources.Exception_UnsupportedPipelineStage, stage.Name)); } } // application.PreSendRequestHeaders += PreSendRequestHeaders; // Null refs for async un-buffered requests with bodies. application.AddOnEndRequestAsync(BeginFinalWork, EndFinalWork); }