<?php
  
  namespace Sabre\DAVACL\Exception;
  
  use Sabre\DAV;
  
  /**
   * This exception is thrown when a user tries to set a privilege that's marked
   * as abstract.
   *
   * @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 NoAbstract extends DAV\Exception\PreconditionFailed {
  
      /**
       * Adds in extra information in the xml response.
       *
       * This method adds the {DAV:}no-abstract element as defined in rfc3744
       *
       * @param DAV\Server $server
       * @param \DOMElement $errorNode
       * @return void
       */
      public function serialize(DAV\Server $server,\DOMElement $errorNode) {
  
          $doc = $errorNode->ownerDocument;
  
          $np = $doc->createElementNS('DAV:','d:no-abstract');
          $errorNode->appendChild($np);
  
      }
  
  }