An ASP.NET MVC helper for calling Autofac Resolve

   1: // Typical Autofac integration with ASP.NET MVC

   2: public class MvcApplication : System.Web.HttpApplication, IContainerProviderAccessor

   3: {

   4:         public IContainerProvider ContainerProvider

   5:         {

   6:             get

   7:             {

   8:                 return _containerProvider;

   9:             }

  10:         }

  11: }

  12:  

  13: // Our Resolve Extension Method

  14: public static class AutofacHelper

  15: {

  16:     public static T Resolve <T> (this HttpContext source)

  17:     {

  18:         IContainerProviderAccessor cpa = (IContainerProviderAccessor)source.ApplicationInstance;

  19:         return cpa.ContainerProvider.RequestContainer.Resolve<T> ();

  20:     }

  21: }

  22:  

  23: // Resolving easy-mode

  24: ICustomerService customerService = HttpContext.Current.Resolve<ICustomerService> ();

  25:  

  26: // Example code-behind

  27: public partial class Site : System.Web.Mvc.ViewMasterPage

  28: {

  29:     protected string GetUserName ()

  30:     {

  31:         if (Request.IsAuthenticated)

  32:         {

  33:             ICustomerService customerService = HttpContext.Current.Resolve<ICustomerService> ();

  34:             Customer customer = customerService.GetCustomer (HttpContext.Current.User.Identity.Name);

  35:             if (customer != null && customer.IsRegistered)

  36:             {

  37:                 return customer.FirstName + " " + customer.LastName;

  38:             }

  39:         }

  40:  

  41:         return string.Empty;

  42:     }

  43: }