[Time Conductor] Add bundle for time handling

platform/time/bundle.json

@@ -0,0 +1,18 @@
+{
+    "name": "Time services bundle",
+    "description": "Defines interfaces and provides default implementations for handling different time systems.",
+    "extensions": {
+        "components": [
+            {
+                "provides": "timeService",
+                "type": "aggregator",
+                "implementation": "TimeAggregator.js"
+            },
+            {
+                "provides": "timeService",
+                "type": "provider",
+                "implementation": "UTCTimeProvider.js"
+            }
+        ]
+    }
+}

platform/time/src/TimeAggregator.js

@@ -0,0 +1,57 @@
+/*****************************************************************************
+ * 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";
+
+    function TimeAggregator(timeProviders) {
+        var systemMap = {},
+            systemKeys = [];
+
+        timeProviders.forEach(function (provider) {
+            provider.systems().forEach(function (key) {
+                if (!systemMap[key]) {
+                    systemMap[key] = provider.system(key);
+                    systemKeys.push(key);
+                }
+            });
+        });
+
+        this.systemMap = systemMap;
+        this.systemKeys = systemKeys;
+    }
+
+    TimeAggregator.prototype.systems = function () {
+        return this.systemKeys;
+    };
+
+    TimeAggregator.prototype.system = function (key) {
+        return this.systemMap[key || 'utc'];
+    };
+
+    return TimeAggregator;
+});

platform/time/src/UTCTimeProvider.js

@@ -0,0 +1,44 @@
+/*****************************************************************************
+ * 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([
+    './UTCTimeSystem'
+], function (
+    UTCTimeSystem
+) {
+    "use strict";
+
+    function UTCTimeProvider(now) {
+        this.utcTimeSystem = new UTCTimeSystem(now);
+    }
+
+    UTCTimeProvider.prototype.systems = function () {
+        return [ 'utc' ];
+    };
+
+    UTCTimeProvider.prototype.system = function (key) {
+        return key === 'utc' ? this.utcTimeSystem : undefined;
+    };
+
+    return UTCTimeProvider;
+});

platform/time/src/UTCTimeSystem.js

@@ -0,0 +1,85 @@
+/*****************************************************************************
+ * 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([
+    'moment'
+], function (
+    moment
+) {
+    "use strict";
+
+    var DATE_FORMAT = "YYYY-MM-DD HH:mm:ss",
+        DATE_FORMATS = [
+            DATE_FORMAT,
+            "YYYY-MM-DD HH:mm:ss",
+            "YYYY-MM-DD HH:mm",
+            "YYYY-MM-DD"
+        ],
+        SECOND = 1000,
+        MINUTE = 60 * SECOND,
+        HOUR = 60 * MINUTE,
+        DAY = 24 * HOUR,
+        WEEK = 7 * DAY,
+        MONTH_APPROX = 30 * DAY,
+        YEAR = 365 * DAY,
+        INCREMENTS = [
+            SECOND,
+            MINUTE,
+            HOUR,
+            DAY,
+            WEEK,
+            MONTH_APPROX,
+            YEAR
+        ],
+        DEFAULT_INCREMENT = 3;
+
+
+    function UTCTimeSystem(now) {
+        this.nowFn = now;
+    }
+
+    UTCTimeSystem.prototype.format = function (value) {
+        return moment.utc(value).format(DATE_FORMAT);
+    };
+
+    UTCTimeSystem.prototype.parse = function (text) {
+        return moment.utc(text, DATE_FORMATS).valueOf();
+    };
+
+    UTCTimeSystem.prototype.validate = function (text) {
+        return moment.utc(text, DATE_FORMATS).isValid();
+    };
+
+    UTCTimeSystem.prototype.now = function () {
+        return this.nowFn();
+    };
+
+    UTCTimeSystem.prototype.increment = function (scale) {
+        var index = (scale || 0) + DEFAULT_INCREMENT;
+        index = Math.max(index, 0);
+        index = Math.min(index, INCREMENTS.length - 1);
+        return INCREMENTS[index];
+    };
+
+    return UTCTimeSystem;
+});