return e.getFirst();
            }
            return null;
        }).filter(StringUtil::isNotBlank).findFirst()//
                .map(s -> clientFactory.getClient(s + ":" + url))//
                .orElseGet(() -> clientFactory.getClient(url));
        if (logger.isDebugEnabled()) {
            logger.debug("CrawlerClient: {}", client.getClass().getCanonicalName());
        }
        return client;
    }