Java IP Address to Int ip2Int(String ip)

Description

ip Int

License

Open Source License

Declaration

public static final int ip2Int(String ip) 

Method Source Code

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

public class Main {

    public static final int ip2Int(String ip) {
        return (int) ip2Long(ip);
    }//from   www  . j a  v  a  2s . c o  m

    public static final long ip2Long(String ip) {
        if (ip == null)
            return 0;
        if (ip.startsWith("/"))
            ip = ip.substring(1);
        int i = ip.indexOf(":");
        if (i > 0)
            ip = ip.substring(0, i);

        String[] strs = ip.split("\\.");
        long longIp = 0;
        if (strs.length == 4) {
            for (i = 3; i >= 0; i--) {
                longIp += (Long.parseLong(strs[3 - i]) << (i * 8));
            }
        } else if (strs.length == 6) {
            for (i = 5; i >= 0; i--) {
                longIp += (Long.parseLong(strs[5 - i]) << (i * 8));
            }
        }
        return longIp;
    }
}

Related

1. ip2Int(String addr)
2. ip2int(String ip)
3. IP2Int(String ip)
4. ip2int(String ipAddr)
5. ipToInt(final String addr)
6. ipToInt(String addr)