| /** |
| Licensed to the Apache Software Foundation (ASF) under one |
| or more contributor license agreements. See the NOTICE file |
| distributed with this work for additional information |
| regarding copyright ownership. The ASF licenses this file |
| to you 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. |
| */ |
| |
| /* jshint sub:true, laxcomma:true, laxbreak:true */ |
| |
| var fs = require('fs'); |
| var path = require('path'); |
| var PluginInfo = require('./PluginInfo'); |
| var events = require('../events'); |
| |
| function PluginInfoProvider () { |
| this._cache = {}; |
| this._getAllCache = {}; |
| } |
| |
| PluginInfoProvider.prototype.get = function (dirName) { |
| var absPath = path.resolve(dirName); |
| if (!this._cache[absPath]) { |
| this._cache[absPath] = new PluginInfo(dirName); |
| } |
| return this._cache[absPath]; |
| }; |
| |
| // Normally you don't need to put() entries, but it's used |
| // when copying plugins, and in unit tests. |
| PluginInfoProvider.prototype.put = function (pluginInfo) { |
| var absPath = path.resolve(pluginInfo.dir); |
| this._cache[absPath] = pluginInfo; |
| }; |
| |
| // Used for plugin search path processing. |
| // Given a dir containing multiple plugins, create a PluginInfo object for |
| // each of them and return as array. |
| // Should load them all in parallel and return a promise, but not yet. |
| PluginInfoProvider.prototype.getAllWithinSearchPath = function (dirName) { |
| var absPath = path.resolve(dirName); |
| if (!this._getAllCache[absPath]) { |
| this._getAllCache[absPath] = getAllHelper(absPath, this); |
| } |
| return this._getAllCache[absPath]; |
| }; |
| |
| function getAllHelper (absPath, provider) { |
| if (!fs.existsSync(absPath)) { |
| return []; |
| } |
| // If dir itself is a plugin, return it in an array with one element. |
| if (fs.existsSync(path.join(absPath, 'plugin.xml'))) { |
| return [provider.get(absPath)]; |
| } |
| var subdirs = fs.readdirSync(absPath); |
| var plugins = []; |
| subdirs.forEach(function (subdir) { |
| var d = path.join(absPath, subdir); |
| if (fs.existsSync(path.join(d, 'plugin.xml'))) { |
| try { |
| plugins.push(provider.get(d)); |
| } catch (e) { |
| events.emit('warn', 'Error parsing ' + path.join(d, 'plugin.xml.\n' + e.stack)); |
| } |
| } |
| }); |
| return plugins; |
| } |
| |
| module.exports = PluginInfoProvider; |