[API] Refactor out application initialization

...to simplify insertion of an imperative bundle registry,
WTD-450.

platform/framework/src/FrameworkLayer.js

@@ -0,0 +1,99 @@
+/*****************************************************************************
+ * Open MCT Web, Copyright (c) 2014-2015, United States Government
+ * as represented by the Administrator of the National Aeronautics and Space
+ * Administration. All rights reserved.
+ *
+ * Open MCT Web is licensed under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * http://www.apache.org/licenses/LICENSE-2.0.
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ *
+ * Open MCT Web includes source code licensed under additional open source
+ * licenses. See the Open Source Licenses file (LICENSES.md) included with
+ * this source code distribution or the Licensing information page available
+ * at runtime from the About dialog for additional information.
+ *****************************************************************************/
+/*global define, window, requirejs*/
+
+define([
+    './Constants',
+    './FrameworkInitializer',
+    './LogLevel',
+    './load/BundleLoader',
+    './resolve/ImplementationLoader',
+    './resolve/ExtensionResolver',
+    './resolve/BundleResolver',
+    './resolve/RequireConfigurator',
+    './register/CustomRegistrars',
+    './register/ExtensionRegistrar',
+    './register/ExtensionSorter',
+    './bootstrap/ApplicationBootstrapper'
+], function (
+    Constants,
+    FrameworkInitializer,
+    LogLevel,
+    BundleLoader,
+    ImplementationLoader,
+    ExtensionResolver,
+    BundleResolver,
+    RequireConfigurator,
+    CustomRegistrars,
+    ExtensionRegistrar,
+    ExtensionSorter,
+    ApplicationBootstrapper
+) {
+    'use strict';
+
+    function FrameworkLayer($http, $log) {
+        this.$http = $http;
+        this.$log = $log;
+    }
+
+    FrameworkLayer.prototype.initializeApplication = function (angular, logLevel) {
+        var $http = this.$http,
+            $log = this.$log,
+            app = angular.module(Constants.MODULE_NAME, ["ngRoute"]),
+            loader = new BundleLoader($http, $log),
+            resolver = new BundleResolver(
+                new ExtensionResolver(
+                    new ImplementationLoader(require),
+                    $log
+                ),
+                new RequireConfigurator(requirejs),
+                $log
+            ),
+            registrar = new ExtensionRegistrar(
+                app,
+                new CustomRegistrars(app, $log),
+                new ExtensionSorter($log),
+                $log
+            ),
+            bootstrapper = new ApplicationBootstrapper(
+                angular,
+                window.document,
+                $log
+            ),
+            initializer = new FrameworkInitializer(
+                loader,
+                resolver,
+                registrar,
+                bootstrapper
+            );
+
+        // Apply logging levels; this must be done now, before the
+        // first log statement.
+        new LogLevel(logLevel).configure(app, $log);
+
+        // Initialize the application
+        $log.info("Initializing application.");
+        initializer.runApplication(Constants.BUNDLE_LISTING_FILE);
+    };
+
+    return FrameworkLayer;
+});

platform/framework/src/Main.js

@@ -43,36 +43,14 @@ define(
         '../lib/es6-promise-2.0.0.min',
         '../lib/angular.min',
         '../lib/angular-route.min',
-        './Constants',
+        './FrameworkLayer'
-        './FrameworkInitializer',
-        './LogLevel',
-        './load/BundleLoader',
-        './resolve/ImplementationLoader',
-        './resolve/ExtensionResolver',
-        './resolve/BundleResolver',
-        './resolve/RequireConfigurator',
-        './register/CustomRegistrars',
-        './register/ExtensionRegistrar',
-        './register/ExtensionSorter',
-        './bootstrap/ApplicationBootstrapper'
     ],
     function (
         require,
         es6promise,
         angular,
         angularRoute,
-        Constants,
+        FrameworkLayer
-        FrameworkInitializer,
-        LogLevel,
-        BundleLoader,
-        ImplementationLoader,
-        ExtensionResolver,
-        BundleResolver,
-        RequireConfigurator,
-        CustomRegistrars,
-        ExtensionRegistrar,
-        ExtensionSorter,
-        ApplicationBootstrapper
     ) {
         "use strict";
 
@@ -89,49 +67,10 @@ define(
         // Polyfill Promise, in case browser does not natively provide Promise
         window.Promise = window.Promise || es6promise.Promise;
 
-        // Wire up framework layer components necessary to complete framework
-        // initialization phases.
-        function initializeApplication($http, $log) {
-            var app = angular.module(Constants.MODULE_NAME, ["ngRoute"]),
-                loader = new BundleLoader($http, $log),
-                resolver = new BundleResolver(
-                    new ExtensionResolver(
-                        new ImplementationLoader(require),
-                        $log
-                    ),
-                    new RequireConfigurator(requirejs),
-                    $log
-                ),
-                registrar = new ExtensionRegistrar(
-                    app,
-                    new CustomRegistrars(app, $log),
-                    new ExtensionSorter($log),
-                    $log
-                ),
-                bootstrapper = new ApplicationBootstrapper(
-                    angular,
-                    window.document,
-                    $log
-                ),
-                initializer = new FrameworkInitializer(
-                    loader,
-                    resolver,
-                    registrar,
-                    bootstrapper
-                );
-
-            // Apply logging levels; this must be done now, before the
-            // first log statement.
-            new LogLevel(logLevel()).configure(app, $log);
-
-            // Initialize the application
-            $log.info("Initializing application.");
-            initializer.runApplication(Constants.BUNDLE_LISTING_FILE);
-        }
-
         // Reconfigure base url, since bundle paths will all be relative
         // to the root now.
         requirejs.config({ "baseUrl": "" });
-        injector.invoke(['$http', '$log', initializeApplication]);
+        injector.instantiate(['$http', '$log', FrameworkLayer])
+            .initializeApplication(angular, logLevel());
     }
 );

platform/framework/src/load/BundleLoader.js

@@ -47,7 +47,6 @@ define(
         function BundleLoader($http, $log) {
             this.$http = $http;
             this.$log = $log;
-
         }
 
         /**