Example usage for java.net NetworkInterface getInetAddresses

List of usage examples for java.net NetworkInterface getInetAddresses

  1. HOME
  2. Java
  3. java
  4. java.net.*
  5. NetworkInterface
  6. getInetAddresses

Introduction

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

Prototype

public Enumeration<InetAddress> getInetAddresses()

Source Link

Document

Get an Enumeration with all or a subset of the InetAddresses bound to this network interface.

Usage

From source file:Main.java

public static Collection<InetAddress> getAllAvailableAddresses() {
    Set<InetAddress> retval = new HashSet<InetAddress>();
    Enumeration en;/* w w  w . ja v a 2  s . co m*/

    try {
        en = NetworkInterface.getNetworkInterfaces();
        if (en == null)
            return retval;
        while (en.hasMoreElements()) {
            NetworkInterface intf = (NetworkInterface) en.nextElement();
            Enumeration<InetAddress> addrs = intf.getInetAddresses();
            while (addrs.hasMoreElements())
                retval.add(addrs.nextElement());
        }
    } catch (SocketException e) {
        e.printStackTrace();
    }

    return retval;
}

From source file:Main.java

public static String getIPAdd() {
    try {//from   w w w.j  a  v  a  2s . 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() && inetAddress instanceof Inet4Address) {
                    return inetAddress.getHostAddress();
                }
            }
        }
    } catch (SocketException ex) {
        ex.printStackTrace();
    }
    return null;
}

From source file:Main.java

public static String GetIPAdresses_JAVA() {
    String allIPAdresses = "";
    Enumeration<NetworkInterface> e = null;

    try {/* w  w w . j av a2  s  .c o  m*/
        e = NetworkInterface.getNetworkInterfaces();
    } catch (SocketException e1) {
        e1.printStackTrace();
    }

    if (e != null) {
        while (e.hasMoreElements()) {
            NetworkInterface n = (NetworkInterface) e.nextElement();
            Enumeration<InetAddress> ee = n.getInetAddresses();
            while (ee.hasMoreElements()) {
                InetAddress i = (InetAddress) ee.nextElement();
                allIPAdresses += (i.getHostAddress() + "\n");
            }
        }
    }

    return allIPAdresses;
}

From source file:Main.java

public static String getLocalIpAddress() {
    try {//from  w  w  w .ja v  a  2 s.  c  o  m
        String ipv4;
        List<NetworkInterface> nilist = Collections.list(NetworkInterface.getNetworkInterfaces());
        for (NetworkInterface ni : nilist) {
            List<InetAddress> ialist = Collections.list(ni.getInetAddresses());
            for (InetAddress address : ialist) {
                if (!address.isLoopbackAddress()
                        && InetAddressUtils.isIPv4Address(ipv4 = address.getHostAddress())) {
                    return ipv4;
                }
            }
        }
    } catch (SocketException ex) {
    }

    return null;
}

From source file:Main.java

/**
 * Get IP address from first non-localhost interface
 * @param useIPv4  true=return ipv4, false=return ipv6
 * @return  address or empty string/*w  ww.  jav  a  2s.c  om*/
 */
public static String getIPAddress(boolean useIPv4) {
    try {
        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:Main.java

@SuppressLint("DefaultLocale")
public static String getLocalHostAddress() {
    boolean useIPv4 = true;

    try {/*w w w.j a v a 2  s. c  om*/
        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:Main.java

public static void getLocalIP() {
    String ipaddress = "";
    try {/*from  w ww .  j  a va 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()) {
                    ipaddress = ipaddress + ";" + inetAddress.getHostAddress().toString();
                }
            }
        }
    } catch (SocketException ex) {
    }
}

From source file:Main.java

/**
 * Get IP address from first non-localhost interface
 *
 * @param useIPv4 true=return ipv4, false=return ipv6
 * @return address or empty string//from   w ww  .  j a va 2  s . c o m
 */
public static String getIPAddress(boolean useIPv4) {
    try {
        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();
                    //boolean isIPv4 = InetAddressUtils.isIPv4Address(sAddr);
                    boolean isIPv4 = sAddr.indexOf(':') < 0;

                    if (useIPv4) {
                        if (isIPv4)
                            return sAddr;
                    } else {
                        if (!isIPv4) {
                            int delim = sAddr.indexOf('%'); // drop ip6 zone suffix
                            return delim < 0 ? sAddr.toUpperCase() : sAddr.substring(0, delim).toUpperCase();
                        }
                    }
                }
            }
        }
    } catch (Exception ex) {
    } // for now eat exceptions
    return "";
}

From source file:Main.java

public static String findAppropriateIp() {
    String result = "unknown";

    Enumeration<NetworkInterface> e;
    try {/* w  w  w. jav  a2 s.  c o m*/
        e = NetworkInterface.getNetworkInterfaces();
    } catch (SocketException e1) {
        return result;
    }
    while (e.hasMoreElements()) {
        NetworkInterface n = (NetworkInterface) e.nextElement();
        Enumeration<InetAddress> ee = n.getInetAddresses();
        while (ee.hasMoreElements()) {
            InetAddress inetAddr = ee.nextElement();
            String ipAddr = inetAddr.getHostAddress();

            Matcher m = ipAddrPattern.matcher(ipAddr);
            if (m.matches()) {
                if (!m.group(1).equals("127")) {
                    result = ipAddr;
                }
            }
        }
    }

    return result;
}

From source file:Main.java

public static String GetWantedIPAdress_JAVA() {
    String wantedIP = "";
    Enumeration<NetworkInterface> e = null;

    try {// www .  j  a v  a  2 s  .  co  m
        e = NetworkInterface.getNetworkInterfaces();
    } catch (SocketException e1) {
        e1.printStackTrace();
    }

    if (e != null) {
        while (e.hasMoreElements()) {
            NetworkInterface n = (NetworkInterface) e.nextElement();
            Enumeration<InetAddress> ee = n.getInetAddresses();
            while (ee.hasMoreElements()) {
                InetAddress i = (InetAddress) ee.nextElement();
                if (i.getHostAddress().toString().contains("192.168.")
                        || i.getHostAddress().toString().startsWith("10.")) {
                    wantedIP = i.getHostAddress();
                    break;
                }
            }
        }
    }

    return wantedIP;
}