Java IP Address to Long ipToLong(String ip)

Description

ip To Long

License

Apache License

Declaration

public static long ipToLong(String ip) throws UnknownHostException 

Method Source Code

//package com.java2s;
//License from project: Apache License 

import java.net.InetAddress;
import java.net.UnknownHostException;

public class Main {
    public static long ipToLong(String ip) throws UnknownHostException {
        byte[] address = InetAddress.getByName(ip).getAddress();
        long ipnum = 0;
        for (int i = 0; i < 4; ++i) {
            long y = address[i];
            if (y < 0) {
                y += 256;//www.j a  v a  2s  . c o m
            }
            ipnum += y << ((3 - i) * 8);
        }
        return ipnum;
    }
}

Related

1. ipToLong(String addr)
2. ipTolong(String address)
3. ipToLong(String ip)
4. ipToLong(String ip)
5. ipToLong(String ip)
6. ipToLong(String ip)
7. ipToLong(String ipAddress)
8. ipToLong(String ipAddress)
9. ipToLong(String ipStr)