akotlov · May 27, 2014 00:22 · Sep 9, 2012 · Sep 5, 2012
diff --git a/gistfile1.js b/gistfile1.js
@@ -22,6 +22,9 @@ myApp.factory('helloWorldFromFactory', function() {
 
 //provider style, full blown, configurable version     
 myApp.provider('helloWorld', function() {
+    // In the provider function, you cannot inject any
+    // service or factory. This can only be done at the
+    // "$get" method.
 
     this.name = 'Default';
 

diff --git a/gistfile1.js b/gistfile1.js
@@ -0,0 +1,54 @@
+// Source: https://groups.google.com/forum/#!topic/angular/hVrkvaHGOfc
+// jsFiddle: http://jsfiddle.net/pkozlowski_opensource/PxdSP/14/
+// author: Pawel Kozlowski
+
+var myApp = angular.module('myApp', []);
+
+//service style, probably the simplest one
+myApp.service('helloWorldFromService', function() {
+    this.sayHello = function() {
+        return "Hello, World!"
+    };
+});
+
+//factory style, more involved but more sophisticated
+myApp.factory('helloWorldFromFactory', function() {
+    return {
+        sayHello: function() {
+            return "Hello, World!"
+        }
+    };
+});
+
+//provider style, full blown, configurable version     
+myApp.provider('helloWorld', function() {
+
+    this.name = 'Default';
+
+    this.$get = function() {
+        var name = this.name;
+        return {
+            sayHello: function() {
+                return "Hello, " + name + "!"
+            }
+        }
+    };
+
+    this.setName = function(name) {
+        this.name = name;
+    };
+});
+
+//hey, we can configure a provider!            
+myApp.config(function(helloWorldProvider){
+    helloWorldProvider.setName('World');
+});
+
+
+function MyCtrl($scope, helloWorld, helloWorldFromFactory, helloWorldFromService) {
+
+    $scope.hellos = [
+        helloWorld.sayHello(),
+        helloWorldFromFactory.sayHello(),
+        helloWorldFromService.sayHello()];
+}