/// <inheritdoc />
/// <summary>
/// Executes an action.
/// </summary>
/// <param name="controllerContext">Controller context.</param>
/// <param name="cancellationToken">Cancellation token.</param>
/// <returns>Response message.</returns>
public Task <HttpResponseMessage> ExecuteAsync(
HttpControllerContext controllerContext,
CancellationToken cancellationToken)
{
if (_controller == null)
{
var request = controllerContext.Request;
if (request
.GetDependencyScope()
.GetService(typeof(IUnityContainer)) is IUnityContainer container)
{
container.RegisterInstance(controllerContext);
container.RegisterInstance(request);
container.RegisterInstance(cancellationToken);
UnityTypesRegistrator.RegisterTypes(container);
}
_controller = Activator.Create(
request,
controllerContext.ControllerDescriptor,
ControllerType);
}
controllerContext.Controller = _controller;
return(_controller.ExecuteAsync(controllerContext, cancellationToken));
}
/// <inheritdoc />
/// <summary>Retrieves the controller instance for the specified request context and controller type.</summary>
/// <returns>The controller instance.</returns>
/// <param name="requestContext">The context of the HTTP request, which includes the HTTP context and route data.</param>
/// <param name="controllerType">The type of the controller.</param>
/// <exception cref="T:System.Web.HttpException">
/// <paramref name="controllerType" /> is null.</exception>
/// <exception cref="T:System.ArgumentException">
/// <paramref name="controllerType" /> cannot be assigned.</exception>
/// <exception cref="T:System.InvalidOperationException">An instance of <paramref name="controllerType" /> cannot be created.</exception>
protected override IController GetControllerInstance(RequestContext requestContext, Type controllerType)
{
if (controllerType == null)
{
throw new ArgumentNullException(nameof(controllerType));
}
if (!typeof(IController).IsAssignableFrom(controllerType))
{
throw new ArgumentException($"Type requested is not a controller: {controllerType.Name}", nameof(controllerType));
}
UnityTypesRegistrator.RegisterTypes(_container);
return(_container.Resolve(controllerType) as IController);
}