private static void processCommands()

in curator-examples/src/main/java/discovery/DiscoveryExample.java [80:128]
43 lines of code
13 McCabe index (conditional complexity)

    private static void processCommands(
            ServiceDiscovery<InstanceDetails> serviceDiscovery,
            Map<String, ServiceProvider<InstanceDetails>> providers,
            CuratorFramework client)
            throws Exception {
        // More scaffolding that does a simple command line processor

        printHelp();

        List<ExampleServer> servers = Lists.newArrayList();
        try {
            BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
            boolean done = false;
            while (!done) {
                System.out.print("> ");

                String line = in.readLine();
                if (line == null) {
                    break;
                }

                String command = line.trim();
                String[] parts = command.split("\\s");
                if (parts.length == 0) {
                    continue;
                }
                String operation = parts[0];
                String args[] = Arrays.copyOfRange(parts, 1, parts.length);

                if (operation.equalsIgnoreCase("help") || operation.equalsIgnoreCase("?")) {
                    printHelp();
                } else if (operation.equalsIgnoreCase("q") || operation.equalsIgnoreCase("quit")) {
                    done = true;
                } else if (operation.equals("add")) {
                    addInstance(args, client, command, servers);
                } else if (operation.equals("delete")) {
                    deleteInstance(args, command, servers);
                } else if (operation.equals("random")) {
                    listRandomInstance(args, serviceDiscovery, providers, command);
                } else if (operation.equals("list")) {
                    listInstances(serviceDiscovery);
                }
            }
        } finally {
            for (ExampleServer server : servers) {
                CloseableUtils.closeQuietly(server);
            }
        }
    }