testListingNetworkInterfaces.java

testListingNetworkInterfaces.java

private static void testListingNetworkInterfaces() {
        try {
            Enumeration<NetworkInterface> networkInterfaces = NetworkInterface.getNetworkInterfaces();
            NetworkInterface iface;
            while (networkInterfaces.hasMoreElements()) {
                iface = networkInterfaces.nextElement();
                LOG.info("displayName:" + iface.getDisplayName() + " " +
                        "index:" + iface.getIndex() + " " +
                        "isUp:" + iface.isUp() + " " +
                        "isVirtual:" + iface.isVirtual() + " " +
                        "name:" + iface.getName() + " " +
                        "MTU:" + iface.getMTU() + " " +
                        "isLoopback:" + iface.isLoopback() + " " +
                        "isPPP:" + iface.isPointToPoint() + " " +
                        "multicastSupport:" + iface.supportsMulticast());

                List<InterfaceAddress> interfaceAddresses = iface.getInterfaceAddresses();
                if (interfaceAddresses.size() == 0) {
                    LOG.info("no network interfaces for " + iface.getDisplayName());
                } else {
                    LOG.info(interfaceAddresses.size() + " network interfaces for " + iface.getDisplayName());
                }
                for (InterfaceAddress address : interfaceAddresses) {
                    LOG.info("hostname:" + address.getAddress().getHostName() + " "
                            + address.getAddress().toString());
                }
            }
        } catch (Throwable e) {
            LOG.error(e.getMessage(), e);
        }

    }