gilbertsoft / typo3-gslib

			throw new \InvalidArgumentException('$name must be a non empty string.', 1491681665);

		}

		if (self::createDirectoryAtWebRoot($name) !== true) {

			FlashMessageUtility::showFlashMessage(

				$extensionKey,

				'Local storage ' . $name . ' could not be created!',

				'Local storage not created',

				FlashMessage::WARNING

			);

			return null;

		}

		$message = (is_string($message) && !empty($message) ? ' ' . $message : '');

		/** @var $storage \TYPO3\CMS\Core\Resource\ResourceStorage */

			throw new \InvalidArgumentException('$name must be a non empty string.', 1491682406);

		}

		if (self::findLocalStorage($name) !== null) {

			FlashMessageUtility::showFlashMessage(

				$extensionKey,

				'Local storage ' . $name . ' must be removed by an admin from the root line in the backend and web root directory.',

				'Remove local storage',

				FlashMessage::NOTICE

			);

		}

	}

}