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

/**
 * @return The MAC hardware address of the first network interface of this host.
 *//*from  www .ja v a 2s.  co  m*/
public static byte[] getFirstNetworkInterfaceHardwareAddress() {
    try {
        Enumeration<NetworkInterface> interfaceEnumeration = NetworkInterface.getNetworkInterfaces();
        for (NetworkInterface iface : Collections.list(interfaceEnumeration)) {
            if (!iface.isLoopback() && iface.isUp() && iface.getHardwareAddress() != null) {
                return iface.getHardwareAddress();
            }
        }
    } catch (Exception ex) {
        throw new RuntimeException("Could not discover first network interface hardware address");
    }
    throw new RuntimeException("Could not discover first network interface hardware address");
}

From source file:com.air.mobilebrowser.NetworkUtil.java

public static String getIPAddress() {
    boolean useIPv4 = true;
    try {/*from  ww  w. jav a2s. c  o m*/
        List<NetworkInterface> interfaces = Collections.list(NetworkInterface.getNetworkInterfaces());
        for (NetworkInterface intf : interfaces) {
            List<InetAddress> addrs = Collections.list(intf.getInetAddresses());
            for (InetAddress addr : addrs) {
                if (!addr.isLoopbackAddress()) {
                    String sAddr = addr.getHostAddress().toUpperCase();
                    boolean isIPv4 = InetAddressUtils.isIPv4Address(sAddr);
                    if (useIPv4) {
                        if (isIPv4)
                            return sAddr;
                    } else {
                        if (!isIPv4) {
                            int delim = sAddr.indexOf('%'); // drop ip6 port suffix
                            return delim < 0 ? sAddr : sAddr.substring(0, delim);
                        }
                    }
                }
            }
        }
    } catch (Exception ex) {
    } // for now eat exceptions

    return "";
}

From source file:impl.underdark.transport.nsd.BnjUtil.java

public static InetAddress getLocalIpAddress() {
    try {/*from  w ww .  ja  va  2s .com*/
        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())
                    continue;

                if (!InetAddressUtils.isIPv4Address(inetAddress.getHostAddress()))
                    continue;

                //if (!inetAddress.isLoopbackAddress() && !inetAddress.isLinkLocalAddress() && inetAddress.isSiteLocalAddress() ) {
                //if (!inetAddress.isLoopbackAddress()
                //      && InetAddressUtils.isIPv4Address(inetAddress.getHostAddress()) )

                return inetAddress;
            } // for
        } // for
    } catch (SocketException ex) {
        Logger.error("nsd server failed to get local address");
    }
    return null;
}

From source file:Main.java

public static String getIPAdd() {
    try {//from   w w  w . j  a v  a2  s  .  co 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() && inetAddress instanceof Inet4Address) {
                    return inetAddress.getHostAddress();
                }
            }
        }
    } catch (SocketException ex) {
        ex.printStackTrace();
    }
    return null;
}

From source file:Main.java

public static Set<InetAddress> getLocalAddresses() {
    Set<InetAddress> addresses = new HashSet<InetAddress>();

    Enumeration<NetworkInterface> networkInterfaces;
    try {//  www  .  j av  a 2 s  .  c  o  m
        networkInterfaces = NetworkInterface.getNetworkInterfaces();
    } catch (SocketException e) {
        Log.v(TAG, "getNetworkInterfaces(): " + e.getMessage(), e);
        return null;
    }

    while (networkInterfaces.hasMoreElements()) {
        NetworkInterface networkInterface = networkInterfaces.nextElement();
        Enumeration<InetAddress> addressEnum = networkInterface.getInetAddresses();
        while (addressEnum.hasMoreElements()) {
            addresses.add(addressEnum.nextElement());
        }
    }

    return addresses;
}

From source file:org.stem.utils.Utils.java

public static List<InetAddress> getIpAddresses() {
    try {/*from  ww w  .  j a v a2s .  c  o m*/
        List<InetAddress> addrList = new ArrayList<InetAddress>();
        Enumeration<NetworkInterface> enumNI = NetworkInterface.getNetworkInterfaces();
        while (enumNI.hasMoreElements()) {
            NetworkInterface ifc = enumNI.nextElement();
            if (ifc.isUp()) {
                Enumeration<InetAddress> enumAdds = ifc.getInetAddresses();
                while (enumAdds.hasMoreElements()) {
                    InetAddress addr = enumAdds.nextElement();
                    addrList.add(addr);
                }
            }
        }
        return addrList;
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
}

From source file:Main.java

/** get first valid ipv4 address of this device */
public static String getLocalIpAddress() {
    try {/*from w w w.j a va  2  s. com*/
        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() && validIP(inetAddress.getHostAddress())) {
                    return inetAddress.getHostAddress();
                }
            }
        }
    } catch (Exception e) {
        Log.e(TAG, e.toString());
    }
    return null;

}

From source file:codeOrchestra.lcs.license.ActivationReporter.java

private static String getFingerPrint() {
    StringBuilder resultSB = new StringBuilder();
    try {//from w  w w  .  j a  v  a2  s. c om
        for (final Enumeration<NetworkInterface> interfaces = NetworkInterface
                .getNetworkInterfaces(); interfaces.hasMoreElements();) {
            final NetworkInterface networkInterface = (NetworkInterface) interfaces.nextElement();
            if (networkInterface.isLoopback()) {
                continue;
            }

            byte[] mac = networkInterface.getHardwareAddress();
            if (mac == null) {
                continue;
            }

            StringBuilder sb = new StringBuilder();
            for (int i = 0; i < mac.length; i++) {
                sb.append(String.format("%02X%s", mac[i], (i < mac.length - 1) ? "-" : ""));
            }

            if ("00-00-00-00-00-00-00-E0".equals(sb.toString())) {
                continue;
            }

            resultSB.append(sb);
            if (interfaces.hasMoreElements()) {
                resultSB.append("|");
            }
        }
    } catch (Exception e) {
        // ignore
    }

    String result = resultSB.toString();
    if (result.endsWith("|")) {
        return result.substring(0, result.length() - 1);
    }

    return result;
}

From source file:com.common.utils.NetworkUtils.java

public static String getLocalHostIp() {
    String ips = "";//getString(R.string.ipaddr);
    try {//from www  .  ja v  a2s .c  o  m
        Enumeration<NetworkInterface> en = NetworkInterface.getNetworkInterfaces();

        while (en.hasMoreElements()) {
            NetworkInterface nif = en.nextElement();
            Enumeration<InetAddress> inet = nif.getInetAddresses();

            while (inet.hasMoreElements()) {
                InetAddress ip = inet.nextElement();
                if (!ip.isLoopbackAddress() && InetAddressUtils.isIPv4Address(ip.getHostAddress())) {

                    ips = ips + nif.getName() + ":" + ip.getHostAddress() + "  ";

                }
            }

        }
    } catch (SocketException e) {
        e.printStackTrace();
    }
    return ips;

}

From source file:Main.java

public static String getIPAddr() {
    try {/* w  w w.j  a v a2  s .c  o m*/
        Enumeration<NetworkInterface> networkInterfaces = NetworkInterface.getNetworkInterfaces();
        while (networkInterfaces.hasMoreElements()) {

            NetworkInterface networkInterface = networkInterfaces.nextElement();
            Enumeration<InetAddress> inetAddresses = networkInterface.getInetAddresses();
            while (inetAddresses.hasMoreElements()) {
                InetAddress inetAddress = inetAddresses.nextElement();
                return inetAddress.getHostAddress().toString();
            }
        }
    } catch (SocketException e) {
        e.printStackTrace();
    }
    return null;
}