Locked.php
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Locked.php
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	<?php

	namespace Sabre\DAV\Exception;

	use Sabre\DAV;

	/**
	* Locked
	*
	* The 423 is thrown when a client tried to access a resource that was locked, without supplying a valid lock token
	*
	* @copyright Copyright (C) 2007-2015 fruux GmbH (https://fruux.com/).
	* @author Evert Pot (http://evertpot.com/)
	* @license http://sabre.io/license/ Modified BSD License
	*/
	class Locked extends DAV\Exception {

	/**
	* Lock information
	*
	* @var Sabre\DAV\Locks\LockInfo
	*/
	protected $lock;

	/**
	* Creates the exception
	*
	* A LockInfo object should be passed if the user should be informed
	* which lock actually has the file locked.
	*
	* @param DAV\Locks\LockInfo $lock
	*/
	function __construct(DAV\Locks\LockInfo $lock = null) {

	$this->lock = $lock;

	}

	/**
	* Returns the HTTP statuscode for this exception
	*
	* @return int
	*/
	function getHTTPCode() {

	return 423;

	}

	/**
	* This method allows the exception to include additional information into the WebDAV error response
	*
	* @param DAV\Server $server
	* @param \DOMElement $errorNode
	* @return void
	*/
	function serialize(DAV\Server $server, \DOMElement $errorNode) {

	if ($this->lock) {
	$error = $errorNode->ownerDocument->createElementNS('DAV:', 'd:lock-token-submitted');
	$errorNode->appendChild($error);

	$href = $errorNode->ownerDocument->createElementNS('DAV:', 'd:href');
	$href->appendChild($errorNode->ownerDocument->createTextNode($this->lock->uri));
	$error->appendChild(
	$href
	);
	}

	}

	}