Java IP Address Get getIPv4Address()

Description

get I Pv Address

License

Open Source License

Declaration

public static String getIPv4Address() 

Method Source Code

//package com.java2s;
import java.net.InetAddress;
import java.net.NetworkInterface;
import java.net.SocketException;
import java.util.Enumeration;

public class Main {
    public static String getIPv4Address() {
        try {//from ww w.j  a  v  a2 s .  c  o m
            Enumeration<NetworkInterface> en = NetworkInterface.getNetworkInterfaces();

            NetworkInterface itf = null;
            while (en.hasMoreElements()) {
                itf = en.nextElement();
                if (!itf.isLoopback()) {
                    Enumeration<InetAddress> addresses = itf.getInetAddresses();
                    InetAddress addr = null;
                    while (addresses.hasMoreElements()) {
                        addr = addresses.nextElement();
                        if (!isIPv6Address(addr.getHostAddress())) {
                            return addr.getHostAddress();
                        }
                    }
                }
            }
        } catch (SocketException e) {
            e.printStackTrace();
            return null;
        }
        return null;
    }

    public static boolean isIPv6Address(String hostAddress) {
        return hostAddress.indexOf(":") != -1;
    }
}

Related

1. getIpHostnameLocal()
2. getIPList(String address)
3. getIPList(String s, String s1)
4. getIPs()
5. getIPs()
6. getIPV4Address(List addresses)
7. getIPv4Address(NetworkInterface iface)
8. getIPV4MainAddress(NetworkInterface ni)
9. getIPv4MulticastGroup(int hash)