Java IP Address to Long ipToLong(String ipAddress)

Description

ip To Long

License

Open Source License

Declaration

public static Long ipToLong(String ipAddress) 

Method Source Code

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

public class Main {
    public static Long ipToLong(String ipAddress) {
        Long result = 0L;/*  w  w  w .j  a v a2s  .  c  o  m*/
        String[] atoms = ipAddress.split("\\.");

        if (atoms.length != 4) {
            return null;
        }
        for (int i = 3; i >= 0; i--) {
            result |= (Long.parseLong(atoms[3 - i]) << (i * 8));
        }

        return result & 0xFFFFFFFF;
    }

    public static Long parseLong(String val, Long defaultVal) {
        Long ret = defaultVal;
        if (val != null && val.length() > 0) {
            try {
                ret = Long.parseLong(val);
            } catch (NumberFormatException e) {
            }
        }
        return ret;
    }

    public static long parseLong(String val, long defaultVal) {
        long ret = defaultVal;
        if (val != null && val.length() > 0) {
            try {
                ret = Long.parseLong(val);
            } catch (NumberFormatException e) {
            }
        }
        return ret;
    }
}

Related

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