[Identity] Add example identity service

nasa/openmctweb#92

example/identity/bundle.json

@@ -0,0 +1,12 @@
+{
+    "extensions": {
+        "components": [
+            {
+                "implementation": "ExampleIdentityService.js",
+                "provides": "identityService",
+                "type": "provider",
+                "depends": [ "dialogService" ]
+            }
+        ]
+    }
+}

example/identity/src/ExampleIdentityService.js

@@ -0,0 +1,75 @@
+/*****************************************************************************
+ * 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*/
+
+define(
+    function () {
+        "use strict";
+
+        var DEFAULT_IDENTITY = { key: "user", name: "Example User" },
+            DIALOG_STRUCTURE = {
+                name: "Identify Yourself",
+                sections: [{ rows: [
+                    {
+                        name: "User ID",
+                        control: "textfield",
+                        key: "key",
+                        required: true
+                    },
+                    {
+                        name: "Human name",
+                        control: "textfield",
+                        key: "name",
+                        required: true
+                    }
+                ]}]
+            };
+
+
+        /**
+         * Example implementation of an identity service. This prompts the
+         * user to enter a name and user ID; in a more realistic
+         * implementation, this would be read from a server, possibly
+         * prompting for a user name and password (or similar) as
+         * appropriate.
+         *
+         * @implements {IdentityService}
+         * @memberof platform/identity
+         */
+        function ExampleIdentityProvider(dialogService) {
+            // Handle rejected dialog messages by treating the
+            // current user as undefined.
+            function echo(v) { return v; }
+            function giveUndefined() { return undefined; }
+
+            this.userPromise =
+                dialogService.getUserInput(DIALOG_STRUCTURE, DEFAULT_IDENTITY)
+                    .then(echo, giveUndefined);
+        }
+
+        ExampleIdentityProvider.prototype.getUser = function () {
+            return this.userPromise;
+        };
+
+        return ExampleIdentityProvider;
+    }
+);