Java Network Interface Get getNonLoopbackNetworkInterface()

Description

get Non Loopback Network Interface

License

Open Source License

Declaration

private static NetworkInterface getNonLoopbackNetworkInterface() throws SocketException 

Method Source Code

//package com.java2s;

import java.net.InetAddress;
import java.net.NetworkInterface;
import java.net.SocketException;
import java.util.Enumeration;

public class Main {
    private static NetworkInterface getNonLoopbackNetworkInterface() throws SocketException {
        // We need to iterate over all NIC's machine has because stupid ubuntu does not assign
        // MAC address to default loopback interface...
        Enumeration<NetworkInterface> b = NetworkInterface.getNetworkInterfaces();
        while (b.hasMoreElements()) {
            NetworkInterface networkInterface = b.nextElement();
            Enumeration<InetAddress> inetAddresses = networkInterface.getInetAddresses();
            while (inetAddresses.hasMoreElements()) {
                InetAddress address = inetAddresses.nextElement();
                if (!address.isLoopbackAddress())
                    return networkInterface;
            }//w  ww.j  av a 2s.c o  m
        }

        // Means we haven't found any non loopback interfaces. Bummer, return empty handed.
        return null;
    }
}

Related

1. getNetworkInterfaces()
2. getNetworkInterfaces()
3. getNetworkInterfaces()
4. getNIOMulticastMethod()
5. getNonLoopbackLocalAdresses()
6. getPublicInterface()
7. getUsualNetworkInterfaces()
8. isActive(String niName)
9. isNixMashPC()