openmct/src/BundleRegistry.js
2017-04-05 14:52:46 -07:00

75 lines
2.6 KiB
JavaScript

/*****************************************************************************
* Open MCT, Copyright (c) 2014-2017, United States Government
* as represented by the Administrator of the National Aeronautics and Space
* Administration. All rights reserved.
*
* Open MCT 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 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.
*****************************************************************************/
define(function () {
function BundleRegistry() {
this.bundles = {};
this.knownBundles = {};
}
BundleRegistry.prototype.register = function (path, definition) {
if (this.knownBundles.hasOwnProperty(path)) {
throw new Error('Cannot register bundle with duplicate path', path);
}
this.knownBundles[path] = definition;
};
BundleRegistry.prototype.enable = function (path) {
if (!this.knownBundles[path]) {
throw new Error('Unknown bundle ' + path);
}
this.bundles[path] = this.knownBundles[path];
};
BundleRegistry.prototype.disable = function (path) {
if (!this.bundles[path]) {
throw new Error('Tried to disable inactive bundle ' + path);
}
delete this.bundles[path];
};
BundleRegistry.prototype.contains = function (path) {
return !!this.bundles[path];
};
BundleRegistry.prototype.get = function (path) {
return this.bundles[path];
};
BundleRegistry.prototype.list = function () {
return Object.keys(this.bundles);
};
BundleRegistry.prototype.remove = BundleRegistry.prototype.disable;
BundleRegistry.prototype.delete = function (path) {
if (!this.knownBundles[path]) {
throw new Error('Cannot remove Unknown Bundle ' + path);
}
delete this.bundles[path];
delete this.knownBundles[path];
};
return BundleRegistry;
});