Java IP Address Get getIp()

Description

Gets my IP as String.

License

Open Source License

Declaration

public static String getIp() 

Method Source Code

//package com.java2s;
//License from project: Open Source License 

import java.net.Inet4Address;
import java.net.InetAddress;
import java.net.NetworkInterface;

import java.util.ArrayList;
import java.util.Enumeration;
import java.util.List;

public class Main {
    /**//from ww  w  .  j  a  v  a  2s  .  c o  m
     * Gets my IP as String. Returns null if not possible
     */
    public static String getIp() {
        try {
            List<String> ips = new ArrayList<String>();
            Enumeration<NetworkInterface> interfaces = NetworkInterface
                    .getNetworkInterfaces();
            while (interfaces.hasMoreElements()) {
                NetworkInterface current = interfaces.nextElement();
                if (current.isUp() && !current.isLoopback()
                        && !current.isVirtual()) {
                    Enumeration<InetAddress> addresses = current
                            .getInetAddresses();
                    while (addresses.hasMoreElements()) {
                        InetAddress current_addr = addresses.nextElement();
                        if (!current_addr.isLoopbackAddress()
                                && current_addr instanceof Inet4Address) {
                            ips.add(current_addr.getHostAddress());
                        }
                    }
                }
            }
            // TODO egrande: review this ip resolution
            return ips.get(0);
        } catch (Exception ex) {
            ex.printStackTrace(System.err);
            return null;
        }
    }
}

Related

1. getIntfFromLabelAdva(int n, Inet4Address ip)
2. getIntranetIp()
3. getIP()
4. getIp()
5. getIP()
6. getIp()
7. getIp()
8. getIp()
9. getIp()