<?php

  namespace Sabre\DAV\Exception;
  
  use Sabre\DAV;

  /**
   * ConflictingLock
   *

   * Similar to  the Locked exception, this exception thrown when a LOCK request

   * was made, on a resource which was already locked
   *

   * @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 ConflictingLock extends Locked {

  
      /**
       * 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:no-conflicting-lock');
              $errorNode->appendChild($error);
              if (!is_object($this->lock)) var_dump($this->lock);
              $error->appendChild($errorNode->ownerDocument->createElementNS('DAV:','d:href',$this->lock->uri));
          }
  
      }
  
  }