/**
  * @see Action::execute()
  */
 public function execute()
 {
     parent::execute();
     // check permission
     WCF::getUser()->checkPermission('admin.language.canEditLanguage');
     // delete language
     require_once WCF_DIR . 'lib/system/language/LanguageEditor.class.php';
     $language = new LanguageEditor($this->languageID);
     if (!$language->getLanguageID() || $language->isDefault()) {
         throw new IllegalLinkException();
     }
     $language->makeDefault();
     $this->executed();
     // forward to list page
     HeaderUtil::redirect('index.php?page=LanguageList&packageID=' . PACKAGE_ID . SID_ARG_2ND_NOT_ENCODED);
     exit;
 }