Utils.java

package com.viontech.utils;

import java.net.Inet4Address;
import java.net.InetAddress;
import java.net.NetworkInterface;
import java.net.SocketException;
import java.util.Enumeration;

/**
 * .
 *
 * @author 谢明辉
 * @date 2020/9/7
 */
public enum Utils {
    /***/
    INSTANCE;

    public String getIpAddress() throws SocketException {
        Enumeration<NetworkInterface> allNetInterfaces = NetworkInterface.getNetworkInterfaces();
        InetAddress ip;
        while (allNetInterfaces.hasMoreElements()) {
            NetworkInterface netInterface = allNetInterfaces.nextElement();
            if (!netInterface.isLoopback() && !netInterface.isVirtual() && netInterface.isUp()) {
                Enumeration<InetAddress> addresses = netInterface.getInetAddresses();
                while (addresses.hasMoreElements()) {
                    ip = addresses.nextElement();
                    if (ip instanceof Inet4Address) {
                        return ip.getHostAddress();
                    }
                }
            }
        }
        return null;
    }
}