Java IP Address to Long ipToLong(String sip)

Description

ip To Long

License

Apache License

Declaration

public static long ipToLong(String sip) 

Method Source Code

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

public class Main {
    public static long ipToLong(String sip) {
        long[] ip = new long[4];
        int[] pos = new int[3];
        pos[0] = sip.indexOf(".");
        ip[0] = Long.parseLong(sip.substring(0, pos[0]));
        for (int i = 1; i < 3; i++) {
            pos[i] = sip.indexOf(".", pos[i - 1] + 1);
            ip[i] = Long.parseLong(sip.substring(pos[i - 1] + 1, pos[i]));
            if (i == 2) {
                ip[i + 1] = Long.parseLong(sip.substring(pos[i] + 1));
            }/*from   w  w  w . jav  a2s.c om*/
        }
        return (ip[0] << 24) + (ip[1] << 16) + (ip[2] << 8) + ip[3];
    }
}

Related

1. ipToLong(String ip)
2. ipToLong(String ip)
3. ipToLong(String ipAddress)
4. ipToLong(String ipAddress)
5. ipToLong(String ipStr)
6. ipToLong(String strIP)
7. ipv4(long ip)
8. ipV4AddressToLong(String ipAddress)
9. ipv4CidrToLong(String networkCidr)