private IntegratedPipelineBlueprint InitializeBlueprint()
{
IntegratedPipelineBlueprintStage firstStage = null;
string appStartup = ConfigurationManager.AppSettings[Constants.OwinAppStartup];
var loader = new DefaultLoader();
Action <IAppBuilder> startup = loader.Load(appStartup ?? string.Empty);
if (startup == null)
{
return(null);
}
var appContext = OwinBuilder.Build(builder =>
{
EnableIntegratedPipeline(builder, stage => firstStage = stage);
startup.Invoke(builder);
});
if (appContext == null)
{
return(null);
}
string basePath = Utils.NormalizePath(HttpRuntime.AppDomainAppVirtualPath);
return(new IntegratedPipelineBlueprint(appContext, firstStage, basePath));
}
public IntegratedPipelineBlueprint(
OwinAppContext appContext,
IntegratedPipelineBlueprintStage firstStage,
string pathBase)
{
_appContext = appContext;
_firstStage = firstStage;
_pathBase = pathBase;
}
public IntegratedPipelineBlueprint(
OwinAppContext appContext,
IntegratedPipelineBlueprintStage firstStage,
string pathBase)
{
_appContext = appContext;
_firstStage = firstStage;
_pathBase = pathBase;
}
private IntegratedPipelineBlueprint InitializeBlueprint()
{
IntegratedPipelineBlueprintStage firstStage = null;
Action <IAppBuilder> startup = OwinBuilder.GetAppStartup();
OwinAppContext appContext = OwinBuilder.Build(builder =>
{
EnableIntegratedPipeline(builder, stage => firstStage = stage);
startup.Invoke(builder);
});
string basePath = Utils.NormalizePath(HttpRuntime.AppDomainAppVirtualPath);
return(new IntegratedPipelineBlueprint(appContext, firstStage, basePath));
}
private static void EnableIntegratedPipeline(IAppBuilder app, Action <IntegratedPipelineBlueprintStage> onStageCreated)
{
var stage = new IntegratedPipelineBlueprintStage {
Name = "PreHandlerExecute"
};
onStageCreated(stage);
Action <IAppBuilder, string> stageMarker = (builder, name) =>
{
Func <AppFunc, AppFunc> decoupler = next =>
{
if (string.Equals(name, stage.Name, StringComparison.OrdinalIgnoreCase))
{
// no decoupling needed when pipeline is already split at this name
return(next);
}
if (!IntegratedPipelineContext.VerifyStageOrder(name, stage.Name))
{
// Stage markers added out of order will be ignored.
// Out of order stages/middleware may be run earlier than expected.
// TODO: LOG
return(next);
}
stage.EntryPoint = next;
stage = new IntegratedPipelineBlueprintStage
{
Name = name,
NextStage = stage,
};
onStageCreated(stage);
return((AppFunc)IntegratedPipelineContext.ExitPointInvoked);
};
app.Use(decoupler);
};
app.Properties[Constants.IntegratedPipelineStageMarker] = stageMarker;
app.Properties[Constants.BuilderDefaultApp] = (Func <IDictionary <string, object>, Task>)IntegratedPipelineContext.DefaultAppInvoked;
}
