Java Utililty Methods IP Address to Int

List of utility methods to do IP Address to Int

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Description

The list of methods to do IP Address to Int are organized into topic(s).

Method

longip2Int(String addr)
ip Int 
String[] addrArray = addr.split("\\.");
long num = 0;
for (int i = 0; i < addrArray.length; i++) {
    num += ((Integer.parseInt(addrArray[i]) % 256 * Math.pow(256, 3 - i)));
return num;
intip2Int(String ip)
ip Int 
return (int) ip2Long(ip);
longip2int(String ip)
ipint 
ip = ip.replace(".", ",");
String[] items = ip.split(",");
return Long.valueOf(items[0]) << 24 | Long.valueOf(items[1]) << 16 | Long.valueOf(items[2]) << 8
        | Long.valueOf(items[3]);
intIP2Int(String ip)
Converter IP to integer 
String ipString = "";
int part;
String parts[] = ip.split("\\.");
for (int i = 0; i < parts.length; i++) {
    part = Integer.parseInt(parts[i]);
    parts[i] = Integer.toHexString(0x100 | part).substring(1);
    ipString = ipString + parts[i];
int ipInt = Integer.parseInt(ipString, 16);
return ipInt;
intip2int(String ipAddr)
ipint 
byte[] bytes = ip2bytes(ipAddr);
int addr = bytes[3] & 0xFF;
addr |= ((bytes[2] << 8) & 0xFF00);
addr |= ((bytes[1] << 16) & 0xFF0000);
addr |= ((bytes[0] << 24) & 0xFF000000);
return addr;
intipToInt(final String addr)
Converts the text form of an IP address to an integer. 
final String[] addressBytes = addr.split("\\.");
if (addressBytes.length != 4) {
    throw new IllegalArgumentException("IPs have the format x.x.x.x");
int ip = 0;
for (int i = 0; i < 4; i++) {
    ip <<= 8;
    ip |= Integer.parseInt(addressBytes[i]);
...
LongipToInt(String addr)
ip To Int 
String[] addrArray = addr.split("\\.");
long num = 0;
for (int i = 0; i < addrArray.length; i++) {
    int power = 3 - i;
    num += ((Integer.parseInt(addrArray[i]) % 256 * Math.pow(256, power)));
return num;
intipToInt(String address)
ip To Int 
String[] nibbles = address.split("\\.");
int result = Integer.parseInt(nibbles[0]) << 24;
result |= Integer.parseInt(nibbles[1]) << 16;
result |= Integer.parseInt(nibbles[2]) << 8;
result |= Integer.parseInt(nibbles[3]);
return result;
intipToInt(String ip)
ip To Int 
if (ip == null)
    return 0;
char[] chars = ip.toCharArray();
int i1, i2, i3;
for (i1 = 0; i1 < chars.length && chars[i1] != '.'; i1++)
    ;
for (i2 = i1 + 1; i2 < chars.length && chars[i2] != '.'; i2++)
    ;
...
intipToInt(String ipAddr)
ip To Int 
try {
    return bytesToInt(ipToBytesByInet(ipAddr));
} catch (Exception e) {
    throw new IllegalArgumentException(ipAddr + " is invalid IP");