Added everything for Step 16: Handle Invalid Hashes by Listening to B…

…ypassed Events

webapp/controller/App.controller.js

@@ -1,7 +1,26 @@
 sap.ui.define([
-  "com/mrb/UI5-Navigation-and-Routing/controller/BaseController"
-], function(BaseController) {
-  "use strict";
+  "com/mrb/UI5-Navigation-and-Routing/controller/BaseController",
+  "sap/base/Log"
+], function (BaseController, Log) {
+	"use strict";
 
-  return BaseController.extend("com.mrb.UI5-Navigation-and-Routing.controller.App", {});
+	return BaseController.extend("com.mrb.UI5-Navigation-and-Routing.controller.App", {
+		onInit: function () {
+			// This is ONLY for being used within the tutorial.
+			// The default log level of the current running environment may be higher than INFO,
+			// in order to see the debug info in the console, the log level needs to be explicitly
+			// set to INFO here.
+			// But for application development, the log level doesn't need to be set again in the code.
+			Log.setLevel(Log.Level.INFO);
+
+			var oRouter = this.getRouter();
+
+			oRouter.attachBypassed(function (oEvent) {
+				var sHash = oEvent.getParameter("hash");
+				// do something here, i.e. send logging data to the backend for analysis
+				// telling what resource the user tried to access...
+				Log.info("Sorry, but the hash '" + sHash + "' is invalid.", "The resource was not found.");
+			});
+		}
+	});
 });