Add AutoFac to the MVC sample

samples/MvcSample.Web/App_Data/Config.json

@@ -0,0 +1,3 @@
+{
+    "DependencyInjection": "AutoFac"
+}

samples/MvcSample.Web/MvcSample.Web.kproj

@@ -23,6 +23,7 @@
     <DevelopmentServerPort>42750</DevelopmentServerPort>
   </PropertyGroup>
   <ItemGroup>
+    <Content Include="App_Data\Config.json" />
     <Content Include="Areas\Travel\Views\Flight\Fly.cshtml" />
     <Content Include="Content\bootstrap.min.css" />
     <Content Include="project.json" />

samples/MvcSample.Web/Startup.cs

@@ -1,24 +1,65 @@
-using Microsoft.AspNet;
+using System;
 using Microsoft.AspNet.Builder;
-using Microsoft.AspNet.Mvc;
 using Microsoft.AspNet.Routing;
 using Microsoft.Framework.DependencyInjection;
 using MvcSample.Web.Filters;
 using MvcSample.Web.Services;
 
+#if NET45 
+using Autofac;
+using Microsoft.Framework.DependencyInjection.Autofac;
+using Microsoft.Framework.ConfigurationModel;
+using Microsoft.Framework.OptionsModel;
+#endif
+
 namespace MvcSample.Web
 {
     public class Startup
     {
         public void Configure(IBuilder app)
         {
-            app.UseServices(services =>
+#if NET45
+            var configuration = new Configuration()
+                                    .AddJsonFile(@"App_Data\config.json")
+                                    .AddEnvironmentVariables();
+
+            string diSystem;
+
+            if (configuration.TryGet("DependencyInjection", out diSystem) && 
+                diSystem.Equals("AutoFac", StringComparison.OrdinalIgnoreCase))
             {
+                var services = new ServiceCollection();
+
                 services.AddMvc();
                 services.AddSingleton<PassThroughAttribute>();
                 services.AddSingleton<UserNameService>();
-                services.AddTransient<ITestService, TestService>();
+                services.AddTransient<ITestService, TestService>();                
-            });
+                services.Add(OptionsServices.GetDefaultServices());
+
+                // Create the autofac container 
+                ContainerBuilder builder = new ContainerBuilder();
+
+                // Create the container and use the default application services as a fallback 
+                AutofacRegistration.Populate(
+                    builder,
+                    services,
+                    fallbackServiceProvider: app.ApplicationServices);
+
+                IContainer container = builder.Build();
+
+                app.UseServices(container.Resolve<IServiceProvider>());
+            }
+            else
+#endif
+            {
+                app.UseServices(services =>
+                {
+                    services.AddMvc();
+                    services.AddSingleton<PassThroughAttribute>();
+                    services.AddSingleton<UserNameService>();
+                    services.AddTransient<ITestService, TestService>();
+                });
+            }
 
             app.UseMvc(routes =>
             {

samples/MvcSample.Web/project.json

@@ -14,13 +14,17 @@
     "Microsoft.AspNet.Server.WebListener": "0.1-alpha-*",
     "Microsoft.DataAnnotations": "0.1-alpha-*",
     "Microsoft.Framework.ConfigurationModel": "0.1-alpha-*",
-    "Microsoft.Framework.DependencyInjection": "0.1-alpha-*"
+    "Microsoft.Framework.DependencyInjection": "0.1-alpha-*",
+    "Microsoft.Framework.OptionsModel": "0.1-alpha-*"
   },
   "commands": { "web": "Microsoft.AspNet.Hosting server=Microsoft.AspNet.Server.WebListener server.urls=http://localhost:5001" },
   "configurations": {
     "net45": {
       "dependencies": {
-        "System.ComponentModel.DataAnnotations": ""
+        "System.ComponentModel.DataAnnotations": "",
+        "Microsoft.Framework.DependencyInjection.Autofac": "0.1-alpha-*",
+        "Microsoft.Framework.ConfigurationModel.Json": "0.1-alpha-*",
+        "Autofac": "3.3.0"
       }
     },
     "k10": {