private static String generateUniqueNamespace()

in src/main/java/org/apache/sling/jobs/impl/Utils.java [52:88]
34 lines of code
9 McCabe index (conditional complexity)

    private static String generateUniqueNamespace() {
        String macAddress = null;
        // get the MAC address of the primary interface, failing that use a fake.
        try {
            for ( Enumeration<NetworkInterface> netInterfaceE = NetworkInterface.getNetworkInterfaces(); netInterfaceE.hasMoreElements();) {
                NetworkInterface netInterface = netInterfaceE.nextElement();
                byte[] hw = netInterface.getHardwareAddress();
                if ( !netInterface.isLoopback() && !netInterface.isVirtual() && hw != null) {
                    macAddress = tohex(hw);
                    LOGGER.info("Job IDs seeded with MAC Address from interface {} ", netInterface);
                    break;
                }
            }
            if ( macAddress == null) {
                LOGGER.info("No MAC address available, seeding JobID from startup time.");
                macAddress = "fake-" + System.currentTimeMillis();
            }
        } catch (SocketException e) {
            LOGGER.warn("Unable to get MAC address, defaulting to fake ", e);
        }
        long processID;
        try {
            // most JVMs.
            processID = Long.parseLong(java.lang.management.ManagementFactory.getRuntimeMXBean().getName().split("@")[0]);
        } catch (Exception e) {
            try {
                // most Linux kernels.
                processID = Long.parseLong(new File("/proc/self").getCanonicalFile().getName());
            } catch (Exception e1) {
                LOGGER.warn("Unable to get ProcessID by  address, defaulting to fake ", e);
                processID = System.currentTimeMillis();  // this will be way beyond any process ID.
            }
        }
        String baseId = macAddress + "/" + processID+ "/";
        LOGGER.info("Job IDS base is {} ", baseId);
        return  baseId;
    }