Method render

/**
 * Rendering is the process of pushing the document buffers into the template
 * placeholders, retrieving data from the document and pushing it into
 * the application response buffer.
 *
 * @return  void
 *
 * @since   3.2
 */
protected function render()
{
    // Get the \JInput object
    $input = $this->input;
    $component = $input->getCmd('option', 'com_login');
    $file = $input->getCmd('tmpl', 'index');
    if ($component === 'com_login') {
        $file = 'login';
    }
    $this->set('themeFile', $file . '.php');
    // Safety check for when configuration.php root_user is in use.
    $rootUser = $this->get('root_user');
    if (property_exists('\\JConfig', 'root_user')) {
        if (Factory::getUser()->get('username') === $rootUser || Factory::getUser()->id === (string) $rootUser) {
            $this->enqueueMessage(Text::sprintf('JWARNING_REMOVE_ROOT_USER', 'index.php?option=com_config&task=application.removeroot&' . Session::getFormToken() . '=1'), 'warning');
        } elseif (Factory::getUser()->authorise('core.admin')) {
            $this->enqueueMessage(Text::sprintf('JWARNING_REMOVE_ROOT_USER_ADMIN', $rootUser, 'index.php?option=com_config&task=application.removeroot&' . Session::getFormToken() . '=1'), 'warning');
        }
    }
    parent::render();
}