AppserverIo\Appserver\Server\Contexts\StandardServerContext::hasLogger PHP Метод

    public function hasLogger($loggerType)
    {
        try {
            $this->getContainer()->getNamingDirectory()->search(sprintf('php:global/log/%s', $loggerType));
            return true;
        } catch (NamingException $ne) {
            return false;
        }
    }