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);
}
internal static OwinAppContext Build()
{
string appStartup = ConfigurationManager.AppSettings[Constants.OwinAppStartup];
var loader = new DefaultLoader();
Action<IAppBuilder> startup = loader.Load(appStartup ?? string.Empty);
return Build(startup);
}
public static AppDelegate DefaultFactory()
{
var loader = new DefaultLoader();
var builder = new AppBuilder();
var startupName = ConfigurationManager.AppSettings["owin:Startup"];
var startupMethod = loader.Load(startupName);
if (startupMethod != null)
{
startupMethod.Invoke(builder);
}
return (AppDelegate)builder.Build(typeof(AppDelegate));
}
internal static Action<IAppBuilder> GetAppStartup()
{
string appStartup = ConfigurationManager.AppSettings[Constants.OwinAppStartup];
var loader = new DefaultLoader(new ReferencedAssembliesWrapper());
IList<string> errors = new List<string>();
Action<IAppBuilder> startup = loader.Load(appStartup ?? string.Empty, errors);
if (startup == null)
{
throw new EntryPointNotFoundException(Resources.Exception_AppLoderFailure
+ Environment.NewLine + " - " + string.Join(Environment.NewLine + " - ", errors)
+ (IsAutomaticAppStartupEnabled ? Environment.NewLine + Resources.Exception_HowToDisableAutoAppStartup : string.Empty)
+ Environment.NewLine + Resources.Exception_HowToSpecifyAppStartup);
}
return startup;
}
public virtual Func<string, Action<IAppBuilder>> Create(Func<string, Action<IAppBuilder>> nextLoader)
{
var loader = new DefaultLoader(nextLoader, _activator.Activate);
return loader.Load;
}
/// <summary>
/// Create a new chained app loader.
/// </summary>
/// <param name="nextLoader"></param>
/// <returns></returns>
public virtual AppLoaderFunc Create(AppLoaderFunc nextLoader)
{
var loader = new DefaultLoader(nextLoader, _activator.Activate);
return loader.Load;
}