Example usage for java.net NetworkInterface getNetworkInterfaces

List of usage examples for java.net NetworkInterface getNetworkInterfaces

  1. HOME
  2. Java
  3. java
  4. java.net.*
  5. NetworkInterface
  6. 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:com.cyanogenmod.account.util.CMAccountUtils.java

public static String getUniqueDeviceId(Context context) {
    SharedPreferences prefs = context.getSharedPreferences(CMAccount.SETTINGS_PREFERENCES,
            Context.MODE_PRIVATE);
    String udid = prefs.getString(KEY_UDID, null);
    if (udid != null)
        return udid;
    String wifiInterface = SystemProperties.get("wifi.interface");
    if (wifiInterface != null) {
        try {/*  w  ww  .j a va 2  s.  co  m*/
            List<NetworkInterface> interfaces = Collections.list(NetworkInterface.getNetworkInterfaces());
            for (NetworkInterface networkInterface : interfaces) {
                if (wifiInterface.equals(networkInterface.getDisplayName())) {
                    byte[] mac = networkInterface.getHardwareAddress();
                    if (mac != null) {
                        StringBuilder buf = new StringBuilder();
                        for (int i = 0; i < mac.length; i++)
                            buf.append(String.format("%02X:", mac[i]));
                        if (buf.length() > 0)
                            buf.deleteCharAt(buf.length() - 1);
                        if (CMAccount.DEBUG)
                            Log.d(TAG, "using wifi mac for id : " + buf.toString());
                        return digest(prefs, context.getPackageName() + buf.toString());
                    }
                }

            }
        } catch (SocketException e) {
            Log.e(TAG, "Unable to get wifi mac address", e);
        }
    }
    //If we fail, just use android id.
    return digest(prefs, context.getPackageName()
            + Settings.Secure.getString(context.getContentResolver(), Settings.Secure.ANDROID_ID));
}

From source file:eu.stratosphere.pact.test.util.minicluster.NepheleMiniCluster.java

private static NetworkInterface getNetworkInterface() throws SocketException {
    final Enumeration<NetworkInterface> interfaces = NetworkInterface.getNetworkInterfaces();

    while (interfaces.hasMoreElements()) {
        NetworkInterface nic = interfaces.nextElement();
        if (!nic.isLoopback() && !nic.isPointToPoint())
            return nic;
    }// www. j  a v  a2s . c  o m

    throw new SocketException("Cannot find network interface which is not a loopback interface.");
}

From source file:sce.RESTJobThread.java

public void sendEmail(JobExecutionContext context, String email) {
    try {/* www  .j  a  v  a2s  .  co m*/
        Date d = new Date();
        String message = "Job was executed at: " + d.toString() + "\n";
        SchedulerMetaData schedulerMetadata = context.getScheduler().getMetaData();
        //Get the scheduler instance id
        message += "Scheduler Instance Id: " + schedulerMetadata.getSchedulerInstanceId() + "\n";
        //Get the scheduler name
        message += "Scheduler Name: " + schedulerMetadata.getSchedulerName() + "\n";
        try {
            //Get the scheduler ip
            Enumeration<NetworkInterface> n = NetworkInterface.getNetworkInterfaces();
            message += "Scheduler IP: ";
            for (; n.hasMoreElements();) {
                NetworkInterface e = n.nextElement();
                //System.out.println("Interface: " + e.getName());
                Enumeration<InetAddress> a = e.getInetAddresses();
                for (; a.hasMoreElements();) {
                    InetAddress addr = a.nextElement();
                    message += !addr.getHostAddress().equals("127.0.0.1") ? addr.getHostAddress() + " " : "";
                }
            }
            message += "\n";
        } catch (SocketException e) {
            //message += "Scheduler IP: " + e.getMessage() + "\n";
        }
        //Returns the result (if any) that the Job set before its execution completed (the type of object set as the result is entirely up to the particular job).
        //The result itself is meaningless to Quartz, but may be informative to JobListeners or TriggerListeners that are watching the job's execution. 
        message += "Result: "
                + (context.getResult() != null ? truncateResult((String) context.getResult()) : "") + "\n";
        //Get the unique Id that identifies this particular firing instance of the trigger that triggered this job execution. It is unique to this JobExecutionContext instance as well. 
        message += "Fire Instance Id: "
                + (context.getFireInstanceId() != null ? context.getFireInstanceId() : "") + "\n";
        //Get a handle to the Calendar referenced by the Trigger instance that fired the Job. 
        message += "Calendar: " + (context.getCalendar() != null ? context.getCalendar().getDescription() : "")
                + "\n";
        //The actual time the trigger fired. For instance the scheduled time may have been 10:00:00 but the actual fire time may have been 10:00:03 if the scheduler was too busy. 
        message += "Fire Time: " + (context.getFireTime() != null ? context.getFireTime() : "") + "\n";
        //the job name
        message += "Job Name: "
                + (context.getJobDetail().getKey() != null ? context.getJobDetail().getKey().getName() : "")
                + "\n";
        //the job group
        message += "Job Group: "
                + (context.getJobDetail().getKey() != null ? context.getJobDetail().getKey().getGroup() : "")
                + "\n";
        //The amount of time the job ran for (in milliseconds). The returned value will be -1 until the job has actually completed (or thrown an exception), and is therefore generally only useful to JobListeners and TriggerListeners.
        //message += "RunTime: " + context.getJobRunTime() + "\n";
        //the next fire time
        message += "Next Fire Time: "
                + (context.getNextFireTime() != null && context.getNextFireTime().toString() != null
                        ? context.getNextFireTime().toString()
                        : "")
                + "\n";
        //the previous fire time
        message += "Previous Fire Time: "
                + (context.getPreviousFireTime() != null && context.getPreviousFireTime().toString() != null
                        ? context.getPreviousFireTime().toString()
                        : "")
                + "\n";
        //refire count
        message += "Refire Count: " + context.getRefireCount() + "\n";

        //job data map
        message += "\nJob data map: \n";
        JobDataMap jobDataMap = context.getJobDetail().getJobDataMap();
        for (Map.Entry<String, Object> entry : jobDataMap.entrySet()) {
            message += entry.getKey() + " = " + entry.getValue() + "\n";
        }
        Mail.sendMail("SCE notification", message, email, null, null);
    } catch (SchedulerException e) {
    }
}

From source file:sce.ElasticJob.java

public void sendEmail(JobExecutionContext context, String email) throws JobExecutionException {
    try {/*from  w ww.  j  a  v a 2  s  . c o  m*/
        Date d = new Date();
        String message = "Job was executed at: " + d.toString() + "\n";
        SchedulerMetaData schedulerMetadata = context.getScheduler().getMetaData();
        //Get the scheduler instance id
        message += "Scheduler Instance Id: " + schedulerMetadata.getSchedulerInstanceId() + "\n";
        //Get the scheduler name
        message += "Scheduler Name: " + schedulerMetadata.getSchedulerName() + "\n";
        try {
            //Get the scheduler ip
            Enumeration<NetworkInterface> n = NetworkInterface.getNetworkInterfaces();
            message += "Scheduler IP: ";
            for (; n.hasMoreElements();) {
                NetworkInterface e = n.nextElement();
                //System.out.println("Interface: " + e.getName());
                Enumeration<InetAddress> a = e.getInetAddresses();
                for (; a.hasMoreElements();) {
                    InetAddress addr = a.nextElement();
                    message += !addr.getHostAddress().equals("127.0.0.1") ? addr.getHostAddress() + " " : "";
                }
            }
            message += "\n";
        } catch (SocketException e) {
            throw new JobExecutionException(e);
        }
        //Returns the result (if any) that the Job set before its execution completed (the type of object set as the result is entirely up to the particular job).
        //The result itself is meaningless to Quartz, but may be informative to JobListeners or TriggerListeners that are watching the job's execution. 
        message += "Result: "
                + (context.getResult() != null ? truncateResult((String) context.getResult()) : "") + "\n";
        //Get the unique Id that identifies this particular firing instance of the trigger that triggered this job execution. It is unique to this JobExecutionContext instance as well. 
        message += "Fire Instance Id: "
                + (context.getFireInstanceId() != null ? context.getFireInstanceId() : "") + "\n";
        //Get a handle to the Calendar referenced by the Trigger instance that fired the Job. 
        message += "Calendar: " + (context.getCalendar() != null ? context.getCalendar().getDescription() : "")
                + "\n";
        //The actual time the trigger fired. For instance the scheduled time may have been 10:00:00 but the actual fire time may have been 10:00:03 if the scheduler was too busy. 
        message += "Fire Time: " + (context.getFireTime() != null ? context.getFireTime() : "") + "\n";
        //the job name
        message += "Job Name: "
                + (context.getJobDetail().getKey() != null ? context.getJobDetail().getKey().getName() : "")
                + "\n";
        //the job group
        message += "Job Group: "
                + (context.getJobDetail().getKey() != null ? context.getJobDetail().getKey().getGroup() : "")
                + "\n";
        //The amount of time the job ran for (in milliseconds). The returned value will be -1 until the job has actually completed (or thrown an exception), and is therefore generally only useful to JobListeners and TriggerListeners.
        //message += "RunTime: " + context.getJobRunTime() + "\n";
        //the next fire time
        message += "Next Fire Time: "
                + (context.getNextFireTime() != null && context.getNextFireTime().toString() != null
                        ? context.getNextFireTime().toString()
                        : "")
                + "\n";
        //the previous fire time
        message += "Previous Fire Time: "
                + (context.getPreviousFireTime() != null && context.getPreviousFireTime().toString() != null
                        ? context.getPreviousFireTime().toString()
                        : "")
                + "\n";
        //refire count
        message += "Refire Count: " + context.getRefireCount() + "\n";

        //job data map
        message += "\nJob data map: \n";
        JobDataMap jobDataMap = context.getJobDetail().getJobDataMap();
        for (Map.Entry<String, Object> entry : jobDataMap.entrySet()) {
            message += entry.getKey() + " = " + entry.getValue() + "\n";
        }
        Mail.sendMail("SCE notification", message, email, null, null);
    } catch (SchedulerException e) {
        throw new JobExecutionException(e);
    }
}

From source file:com.phonemetra.account.util.AccountUtils.java

public static String getUniqueDeviceId(Context context) {
    SharedPreferences prefs = context.getSharedPreferences(Account.SETTINGS_PREFERENCES, Context.MODE_PRIVATE);
    String udid = prefs.getString(KEY_UDID, null);
    if (udid != null)
        return udid;
    String wifiInterface = SystemProperties.get("wifi.interface");
    if (wifiInterface != null) {
        try {//ww w. ja  v  a  2s  . c o m
            List<NetworkInterface> interfaces = Collections.list(NetworkInterface.getNetworkInterfaces());
            for (NetworkInterface networkInterface : interfaces) {
                if (wifiInterface.equals(networkInterface.getDisplayName())) {
                    byte[] mac = networkInterface.getHardwareAddress();
                    if (mac != null) {
                        StringBuilder buf = new StringBuilder();
                        for (int i = 0; i < mac.length; i++)
                            buf.append(String.format("%02X:", mac[i]));
                        if (buf.length() > 0)
                            buf.deleteCharAt(buf.length() - 1);
                        if (Account.DEBUG)
                            Log.d(TAG, "using wifi mac for id : " + buf.toString());
                        return digest(prefs, context.getPackageName() + buf.toString());
                    }
                }

            }
        } catch (SocketException e) {
            Log.e(TAG, "Unable to get wifi mac address", e);
        }
    }
    //If we fail, just use android id.
    return digest(prefs, context.getPackageName()
            + Settings.Secure.getString(context.getContentResolver(), Settings.Secure.ANDROID_ID));
}

From source file:com.poinsart.votar.VotarMain.java

public String getWifiIp() {
    Enumeration<NetworkInterface> en = null;
    try {/*w ww  .j  ava2s.  c  o  m*/
        en = NetworkInterface.getNetworkInterfaces();
    } catch (SocketException e) {
        return null;
    }
    while (en.hasMoreElements()) {
        NetworkInterface intf = en.nextElement();
        if (intf.getName().contains("wlan")) {
            for (Enumeration<InetAddress> enumIpAddr = intf.getInetAddresses(); enumIpAddr.hasMoreElements();) {
                InetAddress inetAddress = enumIpAddr.nextElement();
                if (!inetAddress.isLoopbackAddress() && (inetAddress.getAddress().length == 4)) {
                    //Log.d("VotAR Main", inetAddress.getHostAddress());
                    return inetAddress.getHostAddress().toString();
                }
            }
        }
    }
    return null;
}

From source file:nu.nethome.home.items.net.H2DatabaseTCPServer.java

public String getExternalIPAddress() {
    String result = null;//from w w w  .j a v a2s.c  o m
    Enumeration<NetworkInterface> interfaces2 = null;
    try {
        interfaces2 = NetworkInterface.getNetworkInterfaces();
    } catch (SocketException e) {
        logger.severe("Can't get network interfaces: " + e.getMessage());
        return "";
    }
    if (interfaces2 != null) {
        while (interfaces2.hasMoreElements() && StringUtils.isEmpty(result)) {
            NetworkInterface i = interfaces2.nextElement();
            Enumeration<InetAddress> addresses2 = i.getInetAddresses();
            while (addresses2.hasMoreElements() && (result == null || result.isEmpty())) {
                InetAddress address = addresses2.nextElement();
                if (!address.isLoopbackAddress() && address.isSiteLocalAddress()) {
                    result = address.getHostAddress();
                }
            }
        }
    }
    return result;
}

From source file:com.elixsr.portforwarder.forwarding.ForwardingService.java

private InetSocketAddress generateFromIpUsingInterface(String interfaceName, int port)
        throws SocketException, ObjectNotFoundException {

    String address = null;/* w w w  . j  a v a 2 s. c  o  m*/
    InetSocketAddress inetSocketAddress;

    for (Enumeration<NetworkInterface> en = NetworkInterface.getNetworkInterfaces(); en.hasMoreElements();) {
        NetworkInterface intf = en.nextElement();

        Log.d(TAG, intf.getDisplayName() + " vs " + interfaceName);
        if (intf.getDisplayName().equals(interfaceName)) {

            Log.i(TAG, "Found the relevant Interface. Will attempt to fetch IP Address");

            for (Enumeration<InetAddress> enumIpAddr = intf.getInetAddresses(); enumIpAddr.hasMoreElements();) {

                InetAddress inetAddress = enumIpAddr.nextElement();

                address = new String(inetAddress.getHostAddress().toString());

                if (address != null & address.length() > 0 && inetAddress instanceof Inet4Address) {

                    inetSocketAddress = new InetSocketAddress(address, port);
                    return inetSocketAddress;
                }
            }
        }
    }

    //Failed to find the relevant interface
    //TODO: complete
    //        Toast.makeText(this, "Could not find relevant network interface.",
    //                Toast.LENGTH_LONG).show();
    throw new ObjectNotFoundException("Could not find IP Address for Interface " + interfaceName);
}

From source file:org.apache.synapse.transport.passthru.util.PassThroughTransportUtils.java

/**
 * Whatever this method returns as the IP is ignored by the actual http/s listener when
 * its getServiceEPR is invoked. This was originally copied from axis2
 *
 * @return Returns String./*w  ww  .ja v  a2  s . c  o m*/
 * @throws java.net.SocketException if the socket can not be accessed
 */
public static String getIpAddress() throws SocketException {
    Enumeration e = NetworkInterface.getNetworkInterfaces();
    String address = "127.0.0.1";

    while (e.hasMoreElements()) {
        NetworkInterface netface = (NetworkInterface) e.nextElement();
        Enumeration addresses = netface.getInetAddresses();

        while (addresses.hasMoreElements()) {
            InetAddress ip = (InetAddress) addresses.nextElement();
            if (!ip.isLoopbackAddress() && isIP(ip.getHostAddress())) {
                return ip.getHostAddress();
            }
        }
    }
    return address;
}

From source file:com.petalmd.armor.AbstractUnitTest.java

public static String getNonLocalhostAddress() {
    try {//from w  w w .  j av  a  2  s. c  o m
        for (final Enumeration<NetworkInterface> en = NetworkInterface.getNetworkInterfaces(); en
                .hasMoreElements();) {
            final NetworkInterface intf = en.nextElement();

            if (intf.isLoopback() || !intf.isUp()) {
                continue;
            }

            for (final Enumeration<InetAddress> enumIpAddr = intf.getInetAddresses(); enumIpAddr
                    .hasMoreElements();) {

                final InetAddress ia = enumIpAddr.nextElement();

                if (ia.isLoopbackAddress() || ia instanceof Inet6Address) {
                    continue;
                }

                return ia.getHostAddress();
            }
        }
    } catch (final SocketException e) {
        throw new RuntimeException(e);

    }

    System.out.println("ERROR: No non-localhost address available, will use localhost");
    return "localhost";
}