owncloud / core

			$info = $this->appManager->getAppInfo($appId);

			if (isset($info['two-factor-providers'])) {

				$providerClasses = $info['two-factor-providers'];

				foreach ($providerClasses as $class) {

					try {

						$this->loadTwoFactorApp($appId);

						$provider = OC::$server->query($class);

						$providers[$provider->getId()] = $provider;

					} catch (QueryException $exc) {

						// Provider class can not be resolved

						throw new Exception("Could not load two-factor auth provider $class");

					}

				}

			}

		}

	}

	private function loadCommandsFromInfoXml($commands) {

		foreach ($commands as $command) {

			try {

				$c = \OC::$server->query($command);

			} catch (QueryException $e) {

				if (class_exists($command)) {

					$c = new $command();

				} else {

					throw new \Exception("Console command '$command' is unknown and could not be loaded");

				}

			}

			$this->application->add($c);

		}

	}

}