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:org.panbox.desktop.common.gui.PanboxClientGUI.java

private DefaultComboBoxModel<Object> generateNetworkInterfacesModel() {
    DefaultComboBoxModel<Object> model = new DefaultComboBoxModel<>();
    try {/*from   w w  w  .j  a  va2  s.com*/
        List<NetworkInterface> nics = Collections.list(NetworkInterface.getNetworkInterfaces());
        for (NetworkInterface nic : nics) {
            List<InetAddress> addrs = Collections.list(nic.getInetAddresses());
            if (addrs.size() > 0 && !nic.isLoopback() && nic.isUp()) {
                model.addElement(nic);
            }
        }
    } catch (SocketException e) {
        logger.warn(
                "An exception occurred while iterating over available network interfaces. Will return unfinished list: ",
                e);
    }
    return model;
}

From source file:cgeo.geocaching.cgBase.java

public static String getLocalIpAddress() {
    try {//from  w  ww . j av a  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()) {
                    return inetAddress.getHostAddress();
                }
            }
        }
    } catch (SocketException e) {
        // nothing
    }

    return null;
}

From source file:carnero.cgeo.cgBase.java

public String getLocalIpAddress() {
    try {//from  ww w.ja v  a 2s .c om
        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()) {
                    return inetAddress.getHostAddress().toString();
                }
            }
        }
    } catch (SocketException e) {
        // nothing
    }

    return null;
}

From source file:com.ah.be.admin.restoredb.RestoreAdmin.java

private static String getEth0Ip() throws SocketException, UnknownHostException {
    String eth0Ip = null;//from   ww w  . j a  v a 2 s  . c  o m

    overloop: for (Enumeration<NetworkInterface> networkInterfaces = NetworkInterface
            .getNetworkInterfaces(); networkInterfaces.hasMoreElements();) {
        NetworkInterface networkInterface = networkInterfaces.nextElement();
        String networkInterfaceName = networkInterface.getName();

        if ("eth0".equalsIgnoreCase(networkInterfaceName)) {
            Enumeration<InetAddress> eth0Addresses = networkInterface.getInetAddresses();

            while (eth0Addresses.hasMoreElements()) {
                InetAddress eth0Address = eth0Addresses.nextElement();

                if (eth0Address instanceof Inet4Address) {
                    eth0Ip = eth0Address.getHostAddress();
                    break overloop;
                }
            }
        }
    }

    if (eth0Ip == null) {
        InetAddress localAddress = InetAddress.getLocalHost();

        if (localAddress instanceof Inet4Address) {
            eth0Ip = localAddress.getHostAddress();
        }
    }

    return eth0Ip;
}

From source file:org.wso2.carbon.apimgt.impl.utils.APIUtil.java

private static InetAddress getLocalAddress() {
    Enumeration<NetworkInterface> ifaces = null;
    try {//  www  .j  a v  a  2s.com
        ifaces = NetworkInterface.getNetworkInterfaces();
    } catch (SocketException e) {
        log.error("Failed to get host address", e);
    }
    if (ifaces != null) {
        while (ifaces.hasMoreElements()) {
            NetworkInterface iface = ifaces.nextElement();
            Enumeration<InetAddress> addresses = iface.getInetAddresses();

            while (addresses.hasMoreElements()) {
                InetAddress addr = addresses.nextElement();
                if (addr instanceof Inet4Address && !addr.isLoopbackAddress()) {
                    return addr;
                }
            }
        }
    }

    return null;
}

From source file:com.codename1.impl.android.AndroidImplementation.java

@Override
public String getHostOrIP() {
    try {//from w  w  w .  j  av  a2  s .  com
        InetAddress i = java.net.InetAddress.getLocalHost();
        if (i.isLoopbackAddress()) {
            Enumeration<NetworkInterface> nie = NetworkInterface.getNetworkInterfaces();
            while (nie.hasMoreElements()) {
                NetworkInterface current = nie.nextElement();
                if (!current.isLoopback()) {
                    Enumeration<InetAddress> iae = current.getInetAddresses();
                    while (iae.hasMoreElements()) {
                        InetAddress currentI = iae.nextElement();
                        if (!currentI.isLoopbackAddress()) {
                            return currentI.getHostAddress();
                        }
                    }
                }
            }
        }
        return i.getHostAddress();
    } catch (Throwable t) {
        com.codename1.io.Log.e(t);
        return null;
    }
}