Example usage for java.net NetworkInterface 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 String getIpAddress() {
    try {/*from  w ww  . j ava  2 s .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() && inetAddress instanceof Inet4Address) {
                    // if (!inetAddress.isLoopbackAddress() && inetAddress
                    // instanceof Inet6Address) {
                    return inetAddress.getHostAddress().toString();
                }
            }
        }
    } catch (Exception e) {
        e.printStackTrace();
    }
    return null;
}

From source file:Main.java

public static String getLocalIpBy3G() {
    try {/*from   w  w w  .ja  v  a  2  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) {
                    // if (!inetAddress.isLoopbackAddress() && inetAddress
                    // instanceof Inet6Address) {
                    return inetAddress.getHostAddress().toString();
                }
            }
        }
    } catch (Exception e) {
        e.printStackTrace();
    }
    return null;
}

From source file:Main.java

/**
 * Get IP address from first non-localhost interface
 * @param ipv4  true=return ipv4, false=return ipv6
 * @return  address or empty string//w w  w.  j  a va  2s.c  o  m
 */
@SuppressLint("DefaultLocale")
public static String getIPAddress() {
    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 (isIPv4)
                        return sAddr;
                }
            }
        }
    } catch (Exception ex) {
    }
    return "";
}

From source file:Main.java

public static String localIPAddress() {
    try {//from   w w  w  . j  a v 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()) {
                    String ipAddress = inetAddress.getHostAddress().toString();
                    int p = ipAddress.indexOf("%");
                    if (p > 0)
                        ipAddress = ipAddress.substring(0, p);
                    //if (MagicBooleans.trace_mode) System.out.println("--> localIPAddress = "+ipAddress);
                    return ipAddress;
                }
            }
        }
    } catch (SocketException ex) {
        ex.printStackTrace();
    }
    return "127.0.0.1";
}

From source file:Main.java

public static String getIpAddress() {
    try {//from   w w w. j a  v  a 2 s  . c om
        Enumeration en = NetworkInterface.getNetworkInterfaces();

        while (en.hasMoreElements()) {
            NetworkInterface ex = (NetworkInterface) en.nextElement();
            Enumeration enumIpAddr = ex.getInetAddresses();

            while (enumIpAddr.hasMoreElements()) {
                InetAddress inetAddress = (InetAddress) enumIpAddr.nextElement();
                if (!inetAddress.isLoopbackAddress()) {
                    return inetAddress.getHostAddress().toString();
                }
            }
        }

        return null;
    } catch (SocketException var4) {
        var4.printStackTrace();
        return null;
    }
}

From source file:Main.java

/**
 * Get the local IP address.//from   w w  w . j  a  va2  s  . com
 * 
 * @return string containing the current local IP address
 */
public static String getLocalIpAddress() {
    try {
        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 ex) {
        android.util.Log.e(TAG, ex.toString());
    }
    return null;
}

From source file:Main.java

public static NetworkInterface getActiveNetworkInterface(Context c) {
    try {/*from   w  w w  . j a v a2s . 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())
                    break; // break inner loop, continue with outer loop

                return intf; // this is not the loopback and it has an IP address assigned
            }
        }
    } catch (SocketException e) {
        e.printStackTrace();
    }
    // nothing found
    return null;
}

From source file:Main.java

public static String getIpAddress() {
    String ipaddress = "";

    try {/*from  w w  w.jav a 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()) {
                    ipaddress = ipaddress + ";" + inetAddress.getHostAddress().toString();
                }
            }
        }
    } catch (SocketException ex) {
        ipaddress = null;
        Log.e("WifiPreference IpAddress", ex.toString());
    }
    return ipaddress;
}

From source file:Main.java

public static String getIpAddress() {
    try {/*from  w  ww .  j a va2s  . com*/
        for (Enumeration<?> en = NetworkInterface.getNetworkInterfaces(); en.hasMoreElements();) {
            NetworkInterface intf = (NetworkInterface) en.nextElement();
            for (Enumeration<?> enumIpAddr = intf.getInetAddresses(); enumIpAddr.hasMoreElements();) {
                InetAddress inetAddress = (InetAddress) enumIpAddr.nextElement();
                if (!inetAddress.isLoopbackAddress()) {

                    return inetAddress.getHostAddress().toString();
                }
            }
        }
    } catch (SocketException ex) {
        Log.e("system", ex.toString());
    }
    return null;
}

From source file:Main.java

public static String getGPRS_IP() {
    try {/*from   w w  w  .  j  ava  2 s .  c om*/
        for (Enumeration<NetworkInterface> en = NetworkInterface.getNetworkInterfaces(); en
                .hasMoreElements();) {
            NetworkInterface intf = en.nextElement();
            for (Enumeration<InetAddress> enu = intf.getInetAddresses(); enu.hasMoreElements();) {
                InetAddress inetAddress = enu.nextElement();
                if (!inetAddress.isLoopbackAddress() && !inetAddress.isLinkLocalAddress()) {
                    if (inetAddress.getHostAddress().toString().contains("::")) {
                        continue;
                    }
                    return inetAddress.getHostAddress();
                }
            }
        }
    } catch (SocketException e) {
        e.printStackTrace();
    }
    return null;

}