1<?php 2 3declare(strict_types=1); 4 5namespace Sabre\DAV\Exception; 6 7use Sabre\DAV; 8 9/** 10 * ConflictingLock. 11 * 12 * Similar to the Locked exception, this exception thrown when a LOCK request 13 * was made, on a resource which was already locked 14 * 15 * @copyright Copyright (C) fruux GmbH (https://fruux.com/) 16 * @author Evert Pot (http://evertpot.com/) 17 * @license http://sabre.io/license/ Modified BSD License 18 */ 19class ConflictingLock extends Locked 20{ 21 /** 22 * This method allows the exception to include additional information into the WebDAV error response. 23 */ 24 public function serialize(DAV\Server $server, \DOMElement $errorNode) 25 { 26 if ($this->lock) { 27 $error = $errorNode->ownerDocument->createElementNS('DAV:', 'd:no-conflicting-lock'); 28 $errorNode->appendChild($error); 29 $error->appendChild($errorNode->ownerDocument->createElementNS('DAV:', 'd:href', $this->lock->uri)); 30 } 31 } 32} 33