private static void CrossWireServiceScope(Container container, IApplicationBuilder builder)
{
if (container.Options.DefaultScopedLifestyle == null)
{
throw new InvalidOperationException(
"To be able to cross-wire a service with a transient or scoped lifestyle, " +
"please ensure that the container is configured with a default scoped lifestyle by " +
"setting the Container.Options.DefaultScopedLifestyle property with the required " +
"scoped lifestyle for your type of application. In ASP.NET Core, the typical " +
$"lifestyle to use is the {nameof(AsyncScopedLifestyle)}. " +
"See: https://simpleinjector.org/lifestyles#scoped");
}
if (container.GetItem(ServiceScopeKey) == null)
{
var scopeFactory = builder.ApplicationServices.GetRequiredService <IServiceScopeFactory>();
// We use unregistered type resolution, to allow the user to register IServiceScope manually
// if he needs.
container.ResolveUnregisteredType += (s, e) =>
{
if (e.UnregisteredServiceType == typeof(IServiceScope) && !e.Handled)
{
e.Register(Lifestyle.Scoped.CreateRegistration(scopeFactory.CreateScope, container));
}
};
container.SetItem(ServiceScopeKey, new object());
}
}
/// <summary>
/// Allows registrations made using the <see cref="IServiceCollection"/> API to be resolved by Simple Injector.
/// </summary>
/// <param name="container">The container.</param>
/// <param name="app">The <see cref="IApplicationBuilder"/> instance.</param>
public static void AutoCrossWireAspNetComponents(this Container container, IApplicationBuilder app)
{
if (container == null)
{
throw new ArgumentNullException(nameof(container));
}
if (app == null)
{
throw new ArgumentNullException(nameof(app));
}
var services = (IServiceCollection)container.GetItem(CrossWireContextKey);
if (services == null)
{
throw new InvalidOperationException(
"To use this method, please make sure cross-wiring is enabled, by invoking " +
$"the {nameof(EnableSimpleInjectorCrossWiring)} extension method as part of the " +
"ConfigureServices method of the Startup class. " +
"See https://simpleinjector.org/aspnetcore for more information.");
}
if (container.Options.DefaultScopedLifestyle == null)
{
throw new InvalidOperationException(
"To be able to allow auto cross-wiring, please ensure that the container is configured with a " +
"default scoped lifestyle by setting the Container.Options.DefaultScopedLifestyle property " +
"with the required scoped lifestyle for your type of application. In ASP.NET Core, the typical " +
$"lifestyle to use is the {nameof(AsyncScopedLifestyle)}. " +
"See: https://simpleinjector.org/lifestyles#scoped");
}
CrossWireServiceScope(container, app);
container.ResolveUnregisteredType += (s, e) =>
{
if (e.Handled)
{
return;
}
Type serviceType = e.UnregisteredServiceType;
ServiceDescriptor descriptor = FindServiceDescriptor(services, serviceType);
if (descriptor != null)
{
Lifestyle lifestyle = ToLifestyle(descriptor.Lifetime);
Registration registration = lifestyle == Lifestyle.Singleton
? CreateSingletonRegistration(container, serviceType, app)
: CreateNonSingletonRegistration(container, serviceType, app, lifestyle);
e.Register(registration);
}
};
}
/// <summary>
/// Enables ASP.NET Core services to be cross-wired in the Container. This method should be called
/// in the <b>ConfigureServices</b> method of the application's <b>Startup</b> class. When cross-wiring
/// is enabled, individual cross-wire registrations can be made by calling
/// <see cref="CrossWire{TService}(Container, IApplicationBuilder)"/>.
/// </summary>
/// <param name="services">The ASP.NET application builder instance that references all
/// framework components.</param>
/// <param name="container">The container.</param>
public static void EnableSimpleInjectorCrossWiring(this IServiceCollection services, Container container)
{
Requires.IsNotNull(services, nameof(services));
Requires.IsNotNull(container, nameof(container));
if (container.GetItem(CrossWireContextKey) == null)
{
container.SetItem(CrossWireContextKey, services);
}
}
// This method will never return null.
internal static LifetimeScopeManager GetLifetimeScopeManager(this Container container)
{
var manager = (LifetimeScopeManager)container.GetItem(ManagerKey);
if (manager == null)
{
lock (ManagerKey)
{
manager = (LifetimeScopeManager)container.GetItem(ManagerKey);
if (manager == null)
{
manager = new LifetimeScopeManager();
container.SetItem(ManagerKey, manager);
}
}
}
return(manager);
}
private static IServiceCollection GetServiceCollection(Container container)
{
var context = (IServiceCollection)container.GetItem(CrossWireContextKey);
if (context == null)
{
throw new InvalidOperationException(
"Cross-wiring has to be enabled first. Please make sure the " +
$"{nameof(EnableSimpleInjectorCrossWiring)} extension method is called first by " +
"adding it to the ConfigureServices method as follows: " + Environment.NewLine +
$"services.{nameof(EnableSimpleInjectorCrossWiring)}(container);" + Environment.NewLine +
"See: https://simpleinjector.org/aspnetcore");
}
return(context);
}
/// <summary>
/// Enables ASP.NET Core services to be cross-wired in the Container. This method should be called
/// in the <b>ConfigureServices</b> method of the application's <b>Startup</b> class. When cross-wiring
/// is enabled, individual cross-wire registrations can be made by calling
/// <see cref="CrossWire{TService}(Container, IApplicationBuilder)"/>.
/// </summary>
/// <param name="services">The ASP.NET application builder instance that references all
/// framework components.</param>
/// <param name="container">The container.</param>
public static void EnableSimpleInjectorCrossWiring(this IServiceCollection services, Container container)
{
if (container == null)
{
throw new ArgumentNullException(nameof(container));
}
if (services == null)
{
throw new ArgumentNullException(nameof(services));
}
if (container.GetItem(CrossWireContextKey) == null)
{
container.SetItem(CrossWireContextKey, services);
}
}
/// <summary>
/// Allows registrations made using the <see cref="IServiceCollection"/> API to be resolved by Simple Injector.
/// </summary>
/// <param name="container">The container.</param>
/// <param name="app">The <see cref="IApplicationBuilder"/> instance.</param>
public static void AutoCrossWireAspNetComponents(this Container container, IApplicationBuilder app)
{
if (container == null)
{
throw new ArgumentNullException(nameof(container));
}
if (app == null)
{
throw new ArgumentNullException(nameof(app));
}
var services = (IServiceCollection)container.GetItem(CrossWireContextKey);
if (services == null)
{
throw new InvalidOperationException(
"To use this method, please make sure cross-wiring is enabled, by invoking " +
$"the {nameof(EnableSimpleInjectorCrossWiring)} extension method as part of the " +
"ConfigureServices method of the Startup class. " +
"See https://simpleinjector.org/aspnetcore for more information.");
}
if (container.Options.DefaultScopedLifestyle == null)
{
throw new InvalidOperationException(
"To be able to allow auto cross-wiring, please ensure that the container is configured with a " +
"default scoped lifestyle by setting the Container.Options.DefaultScopedLifestyle property " +
"with the required scoped lifestyle for your type of application. In ASP.NET Core, the typical " +
$"lifestyle to use is the {nameof(AsyncScopedLifestyle)}. " +
"See: https://simpleinjector.org/lifestyles#scoped");
}
CrossWireServiceScope(container, app);
IHttpContextAccessor accessor = GetHttpContextAccessor(app);
container.ResolveUnregisteredType += (s, e) =>
{
if (e.Handled)
{
return;
}
Type serviceType = e.UnregisteredServiceType;
ServiceDescriptor descriptor = FindServiceDescriptor(services, serviceType);
if (descriptor != null)
{
Lifestyle lifestyle = ToLifestyle(descriptor.Lifetime);
// Create a cross-wire registration that calls back into the .NET Core container.
Registration registration = lifestyle.CreateRegistration(serviceType,
() => GetServiceProvider(accessor, container).GetRequiredService(serviceType),
container);
// Apply the required suppressions.
if (lifestyle == Lifestyle.Transient && typeof(IDisposable).IsAssignableFrom(serviceType))
{
registration.SuppressDiagnosticWarning(
DiagnosticType.DisposableTransientComponent,
justification: "This is a cross-wired service. ASP.NET will ensure it gets disposed.");
}
e.Register(registration);
}
};
}
