Example usage for java.net NetworkInterface toString

Introduction

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

Prototype

public String toString() 

Source Link

Usage

From source file:org.opendaylight.lispflowmapping.implementation.lisp.MapServer.java

private static InetAddress getLocalAddress() {
    try {/* w ww  .j a  v a  2s.  co  m*/
        Enumeration<NetworkInterface> interfaces = NetworkInterface.getNetworkInterfaces();
        while (interfaces.hasMoreElements()) {
            NetworkInterface current = interfaces.nextElement();
            LOG.debug("Interface " + current.toString());
            if (!current.isUp() || current.isLoopback() || current.isVirtual()) {
                continue;
            }
            Enumeration<InetAddress> addresses = current.getInetAddresses();
            while (addresses.hasMoreElements()) {
                InetAddress current_addr = addresses.nextElement();
                // Skip loopback and link local addresses
                if (current_addr.isLoopbackAddress() || current_addr.isLinkLocalAddress()) {
                    continue;
                }
                LOG.debug(current_addr.getHostAddress());
                return current_addr;
            }
        }
    } catch (SocketException se) {
        LOG.debug("Caught socket exceptio", se);
    }
    return null;
}

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From source file:org.ihsp.data.common.ObjectId.java

private static int createMachineIdentifier() {
    // build a 2-byte machine piece based on NICs info
    int machinePiece;
    try {/*w ww.  j  a  va2  s .  c o m*/
        StringBuilder sb = new StringBuilder();
        Enumeration<NetworkInterface> e = NetworkInterface.getNetworkInterfaces();
        while (e.hasMoreElements()) {
            NetworkInterface ni = e.nextElement();
            sb.append(ni.toString());
            byte[] mac = ni.getHardwareAddress();
            if (mac != null) {
                ByteBuffer bb = ByteBuffer.wrap(mac);
                try {
                    sb.append(bb.getChar());
                    sb.append(bb.getChar());
                    sb.append(bb.getChar());
                } catch (BufferUnderflowException shortHardwareAddressException) { //NOPMD
                    // mac with less than 6 bytes. continue
                }
            }
        }
        machinePiece = sb.toString().hashCode();
    } catch (Throwable t) {
        // exception sometimes happens with IBM JVM, use random
        machinePiece = (new SecureRandom().nextInt());
        log.info("Failed to get machine identifier from network interface, using random number instead", t);
    }
    machinePiece = machinePiece & LOW_ORDER_THREE_BYTES;
    return machinePiece;
}

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From source file:com.googlecode.networklog.NetworkLog.java

public static void getLocalIpAddresses() {
    MyLog.d("getLocalIpAddresses");
    localIpAddrs = new ArrayList<String>();

    try {/*from   ww w .  ja va  2 s.c o  m*/
        for (Enumeration<NetworkInterface> en = NetworkInterface.getNetworkInterfaces(); en
                .hasMoreElements();) {
            NetworkInterface intf = en.nextElement();
            MyLog.d("Network interface found: " + intf.toString());

            for (Enumeration<InetAddress> enumIpAddr = intf.getInetAddresses(); enumIpAddr.hasMoreElements();) {
                InetAddress inetAddress = enumIpAddr.nextElement();
                MyLog.d("InetAddress: " + inetAddress.toString());

                if (!inetAddress.isLoopbackAddress()) {
                    MyLog.d("Adding local IP address: [" + inetAddress.getHostAddress().toString() + "]");
                    localIpAddrs.add(inetAddress.getHostAddress().toString());
                }
            }
        }
    } catch (SocketException ex) {
        Log.e("NetworkLog", ex.toString());
    }
}

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From source file:org.trafodion.rest.util.NetworkConfiguration.java

public InetAddress getInetAddress(NetworkInterface ni) throws Exception {
    InetAddress inet = null;/*  w  w  w .  j a v  a 2  s. c  o m*/
    Enumeration<InetAddress> rawAdrs = ni.getInetAddresses();
    while (rawAdrs.hasMoreElements()) {
        inet = rawAdrs.nextElement();
        LOG.info("Match Found interface [" + ni.toString() + "," + ni.getDisplayName() + ","
                + inet.getCanonicalHostName() + "," + inet.getHostAddress() + "]");
    }
    matchedInterface = true;
    return inet;
}

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From source file:org.psit.transwatcher.TransWatcher.java

private String getBroadcastIP() {
    String myIP = null;/*from w  ww. ja  va 2s . c  om*/

    try {
        Enumeration<NetworkInterface> interfaces = NetworkInterface.getNetworkInterfaces();
        while (interfaces.hasMoreElements() && myIP == null) {
            NetworkInterface current = interfaces.nextElement();
            notifyMessage(current.toString());
            notifyMessage("Name: " + current.getName());
            if (!current.isUp() || current.isLoopback() || current.isVirtual()
                    || !current.getName().startsWith("wl"))
                continue;
            Enumeration<InetAddress> addresses = current.getInetAddresses();
            while (addresses.hasMoreElements()) {
                InetAddress current_addr = addresses.nextElement();
                if (current_addr.isLoopbackAddress())
                    continue;
                if (current_addr instanceof Inet4Address) {
                    myIP = current_addr.getHostAddress();
                    break;
                }
            }
        }
    } catch (Exception exc) {
        notifyMessage("Error determining network interfaces:\n");
    }

    if (myIP != null) {
        // broadcast for IPv4
        StringTokenizer st = new StringTokenizer(myIP, ".");
        StringBuffer broadcastIP = new StringBuffer();
        // hate that archaic string puzzle
        broadcastIP.append(st.nextElement());
        broadcastIP.append(".");
        broadcastIP.append(st.nextElement());
        broadcastIP.append(".");
        broadcastIP.append(st.nextElement());
        broadcastIP.append(".");
        broadcastIP.append("255");
        return broadcastIP.toString();
    }

    return null;
}

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