#430 Move Program.Main into WebApplication.Start.

src/Microsoft.AspNet.Hosting/Program.cs

@@ -1,65 +1,13 @@
 // Copyright (c) .NET Foundation. All rights reserved.
 // Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
 
-using System;
-using Microsoft.AspNet.Http.Features;
-using Microsoft.AspNet.Server.Features;
-using Microsoft.Dnx.Compilation;
-using Microsoft.Dnx.Runtime;
-using Microsoft.Extensions.Configuration;
-using Microsoft.Extensions.DependencyInjection;
-using Microsoft.Extensions.DependencyInjection.Extensions;
-
 namespace Microsoft.AspNet.Hosting
 {
     public class Program
     {
-        private const string HostingJsonFile = "Microsoft.AspNet.Hosting.json";
-        private const string ConfigFileKey = "config";
-
         public static void Main(string[] args)
         {
-            // Allow the location of the json file to be specified via a --config command line arg
-            var tempBuilder = new ConfigurationBuilder().AddCommandLine(args);
-            var tempConfig = tempBuilder.Build();
-            var configFilePath = tempConfig[ConfigFileKey] ?? HostingJsonFile;
-
-            var appBasePath = PlatformServices.Default.Application.ApplicationBasePath;
-            var config = new ConfigurationBuilder()
-                .SetBasePath(appBasePath)
-                .AddJsonFile(configFilePath, optional: true)
-                .AddEnvironmentVariables()
-                .AddCommandLine(args)
-                .Build();
-
-            var host = new WebHostBuilder(config, captureStartupErrors: true).Build();
-            using (var app = host.Start())
-            {
-                var hostingEnv = app.Services.GetRequiredService<IHostingEnvironment>();
-                Console.WriteLine("Hosting environment: " + hostingEnv.EnvironmentName);
-
-                var serverAddresses = app.ServerFeatures.Get<IServerAddressesFeature>();
-                if (serverAddresses != null)
-                {
-                    foreach (var address in serverAddresses.Addresses)
-                    {
-                        Console.WriteLine("Now listening on: " + address);
-                    }
-                }
-
-                Console.WriteLine("Application started. Press Ctrl+C to shut down.");
-
-                var appLifetime = app.Services.GetRequiredService<IApplicationLifetime>();
-
-                Console.CancelKeyPress += (sender, eventArgs) =>
-                {
-                    appLifetime.StopApplication();
-                    // Don't terminate the process immediately, wait for the Main thread to exit gracefully.
-                    eventArgs.Cancel = true;
-                };
-
-                appLifetime.ApplicationStopping.WaitHandle.WaitOne();
-            }
+            WebApplication.Start(args);
         }
     }
 }

src/Microsoft.AspNet.Hosting/WebApplication.cs

@@ -0,0 +1,88 @@
+// Copyright (c) .NET Foundation. All rights reserved.
+// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
+
+using System;
+using Microsoft.AspNet.Http.Features;
+using Microsoft.AspNet.Server.Features;
+using Microsoft.Dnx.Runtime;
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.DependencyInjection;
+
+namespace Microsoft.AspNet.Hosting
+{
+    public class WebApplication
+    {
+        private const string HostingJsonFile = "Microsoft.AspNet.Hosting.json";
+        private const string ConfigFileKey = "config";
+
+        public static void Start(string[] args)
+        {
+            Start(startupType: null, args: args);
+        }
+
+        public static void Start<TStartup>()
+        {
+            Start(typeof(TStartup), null);
+        }
+
+        public static void Start<TStartup>(string[] args)
+        {
+            Start(typeof(TStartup), args);
+        }
+
+        public static void Start(Type startupType)
+        {
+            Start(startupType, null);
+        }
+
+        public static void Start(Type startupType, string[] args)
+        {
+            // Allow the location of the json file to be specified via a --config command line arg
+            var tempBuilder = new ConfigurationBuilder().AddCommandLine(args);
+            var tempConfig = tempBuilder.Build();
+            var configFilePath = tempConfig[ConfigFileKey] ?? HostingJsonFile;
+
+            var appBasePath = PlatformServices.Default.Application.ApplicationBasePath;
+            var config = new ConfigurationBuilder()
+                .SetBasePath(appBasePath)
+                .AddJsonFile(configFilePath, optional: true)
+                .AddEnvironmentVariables()
+                .AddCommandLine(args)
+                .Build();
+
+            var hostBuilder = new WebHostBuilder(config, captureStartupErrors: true);
+            if (startupType != null)
+            {
+                hostBuilder.UseStartup(startupType);
+            }
+            var host = hostBuilder.Build();
+            using (var app = host.Start())
+            {
+                var hostingEnv = app.Services.GetRequiredService<IHostingEnvironment>();
+                Console.WriteLine("Hosting environment: " + hostingEnv.EnvironmentName);
+
+                var serverAddresses = app.ServerFeatures.Get<IServerAddressesFeature>();
+                if (serverAddresses != null)
+                {
+                    foreach (var address in serverAddresses.Addresses)
+                    {
+                        Console.WriteLine("Now listening on: " + address);
+                    }
+                }
+
+                Console.WriteLine("Application started. Press Ctrl+C to shut down.");
+
+                var appLifetime = app.Services.GetRequiredService<IApplicationLifetime>();
+
+                Console.CancelKeyPress += (sender, eventArgs) =>
+                {
+                    appLifetime.StopApplication();
+                    // Don't terminate the process immediately, wait for the Main thread to exit gracefully.
+                    eventArgs.Cancel = true;
+                };
+
+                appLifetime.ApplicationStopping.WaitHandle.WaitOne();
+            }
+        }
+    }
+}