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ParamFilter.php « Filter « Xml « Search « CalDAV « lib « dav « apps - github.com/nextcloud/server.git - Unnamed repository; edit this file 'description' to name the repository.
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<?php
/**
 * @author Georg Ehrke <oc.list@georgehrke.com>
 *
 * @copyright Copyright (c) 2017 Georg Ehrke <oc.list@georgehrke.com>
 * @license GNU AGPL version 3 or any later version
 *
 * This code is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License, version 3,
 * as published by the Free Software Foundation.
 *
 * 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, version 3,
 * along with this program.  If not, see <http://www.gnu.org/licenses/>
 *
 */
namespace OCA\DAV\CalDAV\Search\Xml\Filter;

use Sabre\DAV\Exception\BadRequest;
use Sabre\Xml\Reader;
use Sabre\Xml\XmlDeserializable;
use OCA\DAV\CalDAV\Search\SearchPlugin;

class ParamFilter implements XmlDeserializable {

	/**
	 * @param Reader $reader
	 * @throws BadRequest
	 * @return string
	 */
	static function xmlDeserialize(Reader $reader) {
		$att = $reader->parseAttributes();
		$property = $att['property'];
		$parameter = $att['name'];

		$reader->parseInnerTree();

		if (!is_string($property)) {
			throw new BadRequest('The {' . SearchPlugin::NS_Nextcloud . '}param-filter requires a valid property attribute');

		}
		if (!is_string($parameter)) {
			throw new BadRequest('The {' . SearchPlugin::NS_Nextcloud . '}param-filter requires a valid parameter attribute');
		}

		return [
			'property' => $property,
			'parameter' => $parameter,
		];
	}
}