<?php
/**
 * @copyright Copyright (c) 2016, Roeland Jago Douma <roeland@famdouma.nl>
 *
 * @author Roeland Jago Douma <roeland@famdouma.nl>
 *
 * @license GNU AGPL version 3 or any later version
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */
namespace OCA\DAV\CalDAV\Schedule;

class Plugin extends \Sabre\CalDAV\Schedule\Plugin {

	/**
	 * Returns a list of addresses that are associated with a principal.
	 *
	 * @param string $principal
	 * @return array
	 */
	protected function getAddressesForPrincipal($principal) {
		$result = parent::getAddressesForPrincipal($principal);

		if ($result === null) {
			$result = [];
		}

		return $result;
	}
}