Imported Upstream version 3.6.0

Former-commit-id: da6be194a6b1221998fc28233f2503bd61dd9d14

mcs/class/System.Web.Mvc3/Mvc/AreaRegistration.cs

@@ -0,0 +1,50 @@
+namespace System.Web.Mvc {
+    using System;
+    using System.Collections.Generic;
+    using System.Web.Routing;
+
+    public abstract class AreaRegistration {
+
+        private const string _typeCacheName = "MVC-AreaRegistrationTypeCache.xml";
+
+        public abstract string AreaName {
+            get;
+        }
+
+        internal void CreateContextAndRegister(RouteCollection routes, object state) {
+            AreaRegistrationContext context = new AreaRegistrationContext(AreaName, routes, state);
+
+            string thisNamespace = GetType().Namespace;
+            if (thisNamespace != null) {
+                context.Namespaces.Add(thisNamespace + ".*");
+            }
+
+            RegisterArea(context);
+        }
+
+        private static bool IsAreaRegistrationType(Type type) {
+            return
+                typeof(AreaRegistration).IsAssignableFrom(type) &&
+                type.GetConstructor(Type.EmptyTypes) != null;
+        }
+
+        public static void RegisterAllAreas() {
+            RegisterAllAreas(null);
+        }
+
+        public static void RegisterAllAreas(object state) {
+            RegisterAllAreas(RouteTable.Routes, new BuildManagerWrapper(), state);
+        }
+
+        internal static void RegisterAllAreas(RouteCollection routes, IBuildManager buildManager, object state) {
+            List<Type> areaRegistrationTypes = TypeCacheUtil.GetFilteredTypesFromAssemblies(_typeCacheName, IsAreaRegistrationType, buildManager);
+            foreach (Type areaRegistrationType in areaRegistrationTypes) {
+                AreaRegistration registration = (AreaRegistration)Activator.CreateInstance(areaRegistrationType);
+                registration.CreateContextAndRegister(routes, state);
+            }
+        }
+
+        public abstract void RegisterArea(AreaRegistrationContext context);
+
+    }
+}