public static FetchItem create()

in core/src/main/java/org/apache/stormcrawler/bolt/FetcherBolt.java [143:183]
34 lines of code
8 McCabe index (conditional complexity)

        public static FetchItem create(URL u, String url, Tuple t, String queueMode) {

            String queueID;

            String key = null;
            // reuse any key that might have been given
            // be it the hostname, domain or IP
            if (t.contains("key")) {
                key = t.getStringByField("key");
            }
            if (StringUtils.isNotBlank(key)) {
                queueID = key.toLowerCase(Locale.ROOT);
                return new FetchItem(url, t, queueID);
            }

            if (FetchItemQueues.QUEUE_MODE_IP.equalsIgnoreCase(queueMode)) {
                try {
                    final InetAddress addr = InetAddress.getByName(u.getHost());
                    key = addr.getHostAddress();
                } catch (final UnknownHostException e) {
                    LOG.warn("Unable to resolve IP for {}, using hostname as key.", u.getHost());
                    key = u.getHost();
                }
            } else if (FetchItemQueues.QUEUE_MODE_DOMAIN.equalsIgnoreCase(queueMode)) {
                key = PaidLevelDomain.getPLD(u.getHost());
                if (key == null) {
                    LOG.warn("Unknown domain for url: {}, using hostname as key", url);
                    key = u.getHost();
                }
            } else {
                key = u.getHost();
            }

            if (key == null) {
                LOG.warn("Unknown host for url: {}, using URL string as key", url);
                key = u.toExternalForm();
            }

            queueID = key.toLowerCase(Locale.ROOT);
            return new FetchItem(url, t, queueID);
        }