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<?php |
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/** |
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* @copyright Copyright (c) 2016, ownCloud, Inc. |
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* |
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* @author Roeland Jago Douma <[email protected]> |
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* |
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* @license AGPL-3.0 |
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* |
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* This code is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU Affero General Public License, version 3, |
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* as published by the Free Software Foundation. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU Affero General Public License for more details. |
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* |
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* You should have received a copy of the GNU Affero General Public License, version 3, |
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* along with this program. If not, see <http://www.gnu.org/licenses/> |
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* |
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*/ |
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namespace OC; |
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use OCP\AppFramework\QueryException; |
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use OCP\Capabilities\ICapability; |
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use OCP\ILogger; |
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class CapabilitiesManager { |
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/** @var \Closure[] */ |
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private $capabilities = array(); |
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/** @var ILogger */ |
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private $logger; |
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public function __construct(ILogger $logger) { |
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$this->logger = $logger; |
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} |
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/** |
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* Get an array of al the capabilities that are registered at this manager |
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* |
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* @throws \InvalidArgumentException |
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* @return array |
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*/ |
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public function getCapabilities() { |
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$capabilities = []; |
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foreach($this->capabilities as $capability) { |
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try { |
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$c = $capability(); |
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} catch (QueryException $e) { |
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$this->logger->error('CapabilitiesManager: {message}', ['app' => 'core', 'message' => $e->getMessage()]); |
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continue; |
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} |
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if ($c instanceof ICapability) { |
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$capabilities = array_replace_recursive($capabilities, $c->getCapabilities()); |
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} else { |
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throw new \InvalidArgumentException('The given Capability (' . get_class($c) . ') does not implement the ICapability interface'); |
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} |
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} |
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return $capabilities; |
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} |
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/** |
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* In order to improve lazy loading a closure can be registered which will be called in case |
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* capabilities are actually requested |
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* |
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* $callable has to return an instance of OCP\Capabilities\ICapability |
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* |
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* @param \Closure $callable |
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*/ |
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public function registerCapability(\Closure $callable) { |
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array_push($this->capabilities, $callable); |
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} |
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} |
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