How can I use Castle Windsor as an IOC instead of the default .net core IOC container?
I have built a service resolver that depends on WindsorContainer
to resolve services.
Something like:
public class ServiceResolver
{
private static WindsorContainer container;
public ServiceResolver()
{
container = new WindsorContainer();
// a method to register components in container
RegisterComponents(container);
}
public IList<T> ResolveAll<T>()
{
return container.ResolveAll<T>().ToList();
}
}
Can not figure out how to let my .net core 2 web API use this resolver as a replacement for IServiceCollection.
For others Reference In addition to the solution Nkosi provided.
There is a nuget package called Castle.Windsor.MsDependencyInjection that will provide you with the following method:
WindsorRegistrationHelper.CreateServiceProvider(WindsorContainer,IServiceCollection);
Which's returned type is IServiceProvider
and you will not need to create you own wrapper.
So the solution will be like:
public class ServiceResolver{
private static WindsorContainer container;
private static IServiceProvider serviceProvider;
public ServiceResolver(IServiceCollection services) {
container = new WindsorContainer();
//Register your components in container
//then
serviceProvider = WindsorRegistrationHelper.CreateServiceProvider(container, services);
}
public IServiceProvider GetServiceProvider() {
return serviceProvider;
}
}
and in Startup ...
public IServiceProvider ConfigureServices(IServiceCollection services) {
services.AddMvc();
// Add other framework services
// Add custom provider
var container = new ServiceResolver(services).GetServiceProvider();
return container;
}
For .net core, which centers DI around the IServiceProvider
, you would need to create you own wrapper
Reference : Introduction to Dependency Injection in ASP.NET Core: Replacing the default services container
public class ServiceResolver : IServiceProvider {
private static WindsorContainer container;
public ServiceResolver(IServiceCollection services) {
container = new WindsorContainer();
// a method to register components in container
RegisterComponents(container, services);
}
public object GetService(Type serviceType) {
return container.Resolve(serviceType);
}
//...
}
and then configure the container in ConfigureServices
and return an IServiceProvider
:
When using a third-party DI container, you must change
ConfigureServices
so that it returnsIServiceProvider
instead ofvoid
.
public IServiceProvider ConfigureServices(IServiceCollection services) {
services.AddMvc();
// Add other framework services
// Add custom provider
var container = new ServiceResolver(services);
return container;
}
At runtime, your container will be used to resolve types and inject dependencies.
There is an official Castle Windsor support for ASP.NET Core which has been released as version 5 (get it from nuget Castle.Windsor , Castle.Facilities.AspNetCore ). The documentation how to use it is here .
I wanted to add that answer Yahya Hussein offers works for me, however I had to adjust my scope to LifestyleCustome<MsScopedLifestyleManager>()
on each dependency I registered.
This may be second nature to some but it took me a minute to figure out.
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