Example usage for java.net NetworkInterface getNetworkInterfaces

Introduction

In this page you can find the example usage for java.net NetworkInterface getNetworkInterfaces.

Prototype

public static Enumeration<NetworkInterface> getNetworkInterfaces() throws SocketException

Source Link

Document

Returns an Enumeration of all the interfaces on this machine.

Usage

From source file:Main.java

static public void main(String args[]) throws Exception {
    Enumeration interfaces = NetworkInterface.getNetworkInterfaces();
    while (interfaces.hasMoreElements()) {
        NetworkInterface ni = (NetworkInterface) interfaces.nextElement();
        System.out.println(ni);//from   w  w  w.jav a 2  s  . co m
    }
}

From source file:Main.java

public static void main(String[] args) throws Exception {
    Enumeration<NetworkInterface> e = NetworkInterface.getNetworkInterfaces();
    while (e.hasMoreElements()) {
        NetworkInterface nif = e.nextElement();
        System.out.println("Name: " + nif.getName() + ",  Supports Multicast: " + nif.supportsMulticast()
                + ", isUp(): " + nif.isUp());
    }/* w w w.  j  a va  2  s  .c o m*/
}

From source file:Main.java

public static void main(String[] args) throws Exception {
    Enumeration<NetworkInterface> en = NetworkInterface.getNetworkInterfaces();
    while (en.hasMoreElements()) {
        NetworkInterface ni = en.nextElement();
        printParameter(ni);// w w  w  .  jav a2s  . co  m
    }
}

From source file:NetworkParameterDemo.java

public static void main(String[] args) throws Exception {
    Enumeration<NetworkInterface> en = NetworkInterface.getNetworkInterfaces();
    while (en.hasMoreElements()) {
        NetworkInterface ni = en.nextElement();
        printParameter(ni);/*w  ww  .j  a va  2 s .co m*/

    }
}

From source file:Main.java

public static void main(String args[]) throws SocketException {
    Enumeration<NetworkInterface> nets = NetworkInterface.getNetworkInterfaces();
    for (NetworkInterface netint : Collections.list(nets)) {
        displayInterfaceInformation(netint);
    }//from  w ww .j  av  a 2 s .  co m
}

From source file:com.netsteadfast.greenstep.util.HostUtils.java

public static void main(String args[]) throws Exception {
    Enumeration<NetworkInterface> nics = NetworkInterface.getNetworkInterfaces();
    for (; nics.hasMoreElements();) {
        System.out.println("--------------------------------------------------------------------------");
        NetworkInterface interfece = nics.nextElement();
        System.out.println(interfece.getName());
        Enumeration<InetAddress> addrs = interfece.getInetAddresses();
        for (; addrs.hasMoreElements();) {
            InetAddress addr = addrs.nextElement();
            System.out.println(addr.getHostAddress());
        }/* www  .j a  v a2s .  com*/
    }
}

From source file:uk.ac.horizon.ubihelper.j2se.Server.java

/**
 * @param args//ww w.  j ava 2 s  . c o  m
 */
public static void main(String[] args) {
    InetAddress bestAddress = null;
    try {
        Enumeration<NetworkInterface> interfaces = NetworkInterface.getNetworkInterfaces();
        while (interfaces.hasMoreElements()) {
            NetworkInterface ni = interfaces.nextElement();
            if (!ni.isUp() || ni.isVirtual() || ni.isLoopback())
                continue;
            logger.info("Has interface " + ni.getName() + ": " + ni.getDisplayName());
            Enumeration<InetAddress> as = ni.getInetAddresses();
            while (as.hasMoreElements()) {
                InetAddress a = as.nextElement();
                if (a instanceof Inet4Address) {
                    Inet4Address ip = (Inet4Address) a;
                    logger.info("- IPv4 address " + ip.getHostAddress());
                    if (ip.isSiteLocalAddress()) {
                        logger.info("-- site local!");
                        if (bestAddress == null)
                            bestAddress = ip;
                    } else
                        bestAddress = ip;
                }
            }
        }
    } catch (Exception e) {
        logger.severe("Could not list NetworkInterfaces: " + e);
        System.exit(-1);
    }
    if (bestAddress == null) {
        logger.severe("Could not find an IP address to bind to - using localhost");
        try {
            bestAddress = InetAddress.getLocalHost();
        } catch (Exception e) {
            logger.severe("Could not get localhost address: " + e);
            System.exit(-2);
        }
    }
    int port = 0;
    if (args.length == 1) {
        try {
            port = Integer.parseInt(args[0]);
        } catch (NumberFormatException nfe) {
            System.err.println("Usage: <server-port>");
            System.exit(-3);
        }
    }
    Server server = new Server();
    server.init(bestAddress, port);
}

From source file:Main.java

public static String localIPAddress() {
    try {/* w ww  . java  2  s  .c  o  m*/
        for (Enumeration<NetworkInterface> en = NetworkInterface.getNetworkInterfaces(); en
                .hasMoreElements();) {
            NetworkInterface intf = en.nextElement();
            for (Enumeration<InetAddress> enumIpAddr = intf.getInetAddresses(); enumIpAddr.hasMoreElements();) {
                InetAddress inetAddress = enumIpAddr.nextElement();
                if (!inetAddress.isLoopbackAddress()) {
                    String ipAddress = inetAddress.getHostAddress().toString();
                    int p = ipAddress.indexOf("%");
                    if (p > 0)
                        ipAddress = ipAddress.substring(0, p);
                    //if (MagicBooleans.trace_mode) System.out.println("--> localIPAddress = "+ipAddress);
                    return ipAddress;
                }
            }
        }
    } catch (SocketException ex) {
        ex.printStackTrace();
    }
    return "127.0.0.1";
}

From source file:Main.java

public static String getHostIp() {
    try {/*from w ww  . jav a  2s  .  c o m*/
        for (Enumeration<NetworkInterface> en = NetworkInterface.getNetworkInterfaces(); en
                .hasMoreElements();) {
            NetworkInterface intf = en.nextElement();
            for (Enumeration<InetAddress> ipAddr = intf.getInetAddresses(); ipAddr.hasMoreElements();) {
                InetAddress inetAddress = ipAddr.nextElement();
                if (!inetAddress.isLoopbackAddress()) {
                    return inetAddress.getHostAddress();
                }
            }
        }
    } catch (Exception e) {
    }
    return null;
}

From source file:Main.java

public static String getIpAddress() {
    try {/*from  ww  w . j a v  a  2  s.  c om*/
        Enumeration en = NetworkInterface.getNetworkInterfaces();

        while (en.hasMoreElements()) {
            NetworkInterface ex = (NetworkInterface) en.nextElement();
            Enumeration enumIpAddr = ex.getInetAddresses();

            while (enumIpAddr.hasMoreElements()) {
                InetAddress inetAddress = (InetAddress) enumIpAddr.nextElement();
                if (!inetAddress.isLoopbackAddress()) {
                    return inetAddress.getHostAddress().toString();
                }
            }
        }

        return null;
    } catch (SocketException var4) {
        var4.printStackTrace();
        return null;
    }
}