<?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) 2007-2014 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

       */

      public function __construct(DAV\Locks\LockInfo $lock = null) {

  
          $this->lock = $lock;
  
      }
  
      /**
       * Returns the HTTP statuscode for this exception
       *
       * @return int
       */
      public 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
       */

      public 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
              );

          }
  
      }
  
  }