IoC Integration: Autofac

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First off, install MvcExtensions.Autofac from nuget:

PM> Install-Package MvcExtensions.Autofac

The integration with autofac is similar with other IoC frameworks: you just have to inherit your MvcApplication class located in Global.asax.cs from MvcExtensions.Autofac.AutofacMvcApplication base class.

//Global.asax.cs
public class MvcApplication : MvcExtensions.Autofac.AutofacMvcApplication
{
}

Second you want to register controller handling by Castle.Windsor IoC container. For that just include RegisterControllers task into bootstrapper tasks executing sequence:

//Global.asax.cs
public class MvcApplication : MvcExtensions.Autofac.AutofacMvcApplication
{
	public MvcApplication()
	{
		Bootstrapper.BootstrapperTasks                                 
			.Include<RegisterRoutes>()  // *
			.Include<RegisterControllers>();
	}
}

• see more about RegisterRoutes class

Next you should write autofac's modules to register your components (see http://code.google.com/p/autofac/wiki/StructuringWithModules). Place them somewhere in your application folder (for ex. into /Infrastructure) and it will be picked up automatically. Note that you shouldn't install your controllers by that way, because it is already installed by framework.

public class CarTransportModule : Module
{
	public bool ObeySpeedLimit { get; set; }

	protected override void Load(ContainerBuilder builder)
	{
		builder.Register(c => new Car(c.Resolve<IDriver>())).As<IVehicle>();
		builder.RegisterType<SaneDriver>().As<IDriver>();
	}
}

One more additional thing you have to do is to add an empty autofac's section to the config file:

<configuration>
	<configSections>
		<section name="autofac" type="Autofac.Configuration.SectionHandler, Autofac.Configuration" />
	</configSections>
	<autofac />
	<!-- ... -->
<configuration>

That it to get started with autofac integration.

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