/// <summary>
/// Registers the Web API <see cref="IHttpController"/> types that available for the application. This
/// method uses the configured <see cref="IHttpControllerTypeResolver"/> to determine which controller
/// types to register.
/// </summary>
/// <param name="container">The container the controllers should be registered in.</param>
/// <param name="configuration">The <see cref="HttpConfiguration"/> to use to get the Controller
/// types to register.</param>
/// <param name="assemblies">The assemblies to search.</param>
/// <exception cref="ArgumentNullException">Thrown when one of the arguments is a null
/// reference (Nothing in VB).</exception>
public static void RegisterWebApiControllers(this Container container, HttpConfiguration configuration,
IEnumerable <Assembly> assemblies)
{
Requires.IsNotNull(container, nameof(container));
Requires.IsNotNull(configuration, nameof(configuration));
Requires.IsNotNull(assemblies, nameof(assemblies));
IAssembliesResolver assembliesResolver = new AssembliesResolver(assemblies);
var controllerTypes = GetControllerTypesFromConfiguration(configuration, assembliesResolver);
foreach (Type controllerType in controllerTypes)
{
Registration registration = Lifestyle.Transient.CreateRegistration(controllerType, container);
if (typeof(ApiController).IsAssignableFrom(controllerType))
{
// Suppress the Disposable Transient Component warning, because Web API's controller factory
// ensures correct disposal of controllers.
registration.SuppressDiagnosticWarning(DiagnosticType.DisposableTransientComponent,
justification:
"Web API registers controllers for disposal when the request ends during the " +
"call to ApiController.ExecuteAsync.");
}
container.AddRegistration(controllerType, registration);
}
}
private static void ConfigureIoc(Container container)
{
container.Register <IPeopleManagerService, PeopleManagerService>(Lifestyle.Transient);
Registration registration = container.GetRegistration(typeof(IPeopleManagerService)).Registration;
registration.SuppressDiagnosticWarning(DiagnosticType.DisposableTransientComponent,
"Presenters will call Dispose on these services.");
container.Verify();
}
public static void RegisterMvcControllers(this Container container, params Assembly[] assemblies)
{
foreach (Type controllerType in GetControllerTypesToRegister(container, assemblies))
{
Registration registration = Lifestyle.Transient.CreateRegistration(controllerType, container);
registration.SuppressDiagnosticWarning(DiagnosticType.DisposableTransientComponent,
justification:
"MVC's DefaultControllerFactory disposes the controller when the web request ends.");
container.AddRegistration(controllerType, registration);
}
}
public static void RegisterMvcControllers(this Container container, params Assembly[] assemblies)
{
foreach (Type controllerType in GetControllerTypesToRegister(container, assemblies))
{
Registration registration = Lifestyle.Transient.CreateRegistration(controllerType, container);
// Suppress the Disposable Transient Component warning, because MVC's controller factory
// ensures correct disposal of controllers.
registration.SuppressDiagnosticWarning(DiagnosticType.DisposableTransientComponent);
container.AddRegistration(controllerType, registration);
}
}
private static Registration CreateNonSingletonRegistration(
Container container, Type serviceType, IApplicationBuilder app, Lifestyle lifestyle)
{
IHttpContextAccessor accessor = GetHttpContextAccessor(app);
Registration registration = lifestyle.CreateRegistration(
serviceType,
() => GetServiceProvider(accessor, container, lifestyle).GetRequiredService(serviceType),
container);
if (lifestyle == Lifestyle.Transient && typeof(IDisposable).IsAssignableFrom(serviceType))
{
registration.SuppressDiagnosticWarning(
DiagnosticType.DisposableTransientComponent,
justification: "This is a cross-wired service. ASP.NET Core will ensure it gets disposed.");
}
return(registration);
}
/// <summary>
/// Registers the Web API <see cref="IHttpController"/> types that available for the application. This
/// method uses the configured <see cref="IHttpControllerTypeResolver"/> to determine which controller
/// types to register.
/// </summary>
/// <param name="container">The container the controllers should be registered in.</param>
/// <param name="configuration">The <see cref="HttpConfiguration"/> to use to get the Controller
/// types to register.</param>
/// <param name="assemblies">The assemblies to search.</param>
/// <exception cref="ArgumentNullException">Thrown when one of the arguments is a null
/// reference (Nothing in VB).</exception>
public static void RegisterWebApiControllers(this Container container, HttpConfiguration configuration,
IEnumerable <Assembly> assemblies)
{
Requires.IsNotNull(container, "container");
Requires.IsNotNull(configuration, "configuration");
Requires.IsNotNull(assemblies, "assemblies");
IAssembliesResolver assembliesResolver = new AssembliesResolver(assemblies);
var controllerTypes = GetControllerTypesFromConfiguration(configuration, assembliesResolver);
foreach (Type controllerType in controllerTypes)
{
Registration registration = Lifestyle.Transient.CreateRegistration(controllerType, container);
// Suppress the Disposable Transient Component warning, because MVC's controller factory
// ensures correct disposal of controllers.
registration.SuppressDiagnosticWarning(DiagnosticType.DisposableTransientComponent);
container.AddRegistration(controllerType, registration);
}
}
private static Registration CreateNonSingletonRegistration(
Container container, Type serviceType, IServiceProvider appServices, Lifestyle lifestyle)
{
IHttpContextAccessor accessor = GetHttpContextAccessor(appServices);
Registration registration = lifestyle.CreateRegistration(
serviceType,
() => GetServiceProvider(accessor, container, lifestyle).GetRequiredService(serviceType),
container);
// This registration is managed and disposed by IServiceProvider and should, therefore, not be
// disposed (again) by Simple Injector.
registration.SuppressDisposal = true;
if (lifestyle == Lifestyle.Transient && typeof(IDisposable).IsAssignableFrom(serviceType))
{
registration.SuppressDiagnosticWarning(
DiagnosticType.DisposableTransientComponent,
justification:
"This is a cross-wired service. ASP.NET Core will ensure it gets disposed.");
}
return(registration);
}
/// <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);
}
};
}
