Java Utililty Methods IP Address to Long

List of utility methods to do IP Address to Long

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Description

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

Method

longconvertIPS2Long(String ip)
convert IPS Long 
char[] c = ip.toCharArray();
byte[] b = { 0, 0, 0, 0 };
for (int i = 0, j = 0; i < c.length;) {
    int d = (byte) (c[i] - '0');
    switch (c[i++]) {
    case '.':
        ++j;
        break;
...
longconvertIpString2Long(String IP)
Parse the long number of IPv4 address from dot-separated string 
String[] addrArray = IP.split("\\.");
if (addrArray.length != 4) {
    throw new NumberFormatException("Invalid IP string format: " + IP);
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)));
...
longip2Long(final String ip)
ip Long 
final String[] tokens = ip.split("[.]");
assert tokens.length == 4;
long result = 0;
for (int i = 0; i < tokens.length; i++) {
    try {
        result = result << 8 | Integer.parseInt(tokens[i]);
    } catch (final NumberFormatException e) {
        throw new RuntimeException("Incorrect number", e);
...
longip2long(String ip)
iplong 
String[] ips = ip.split("[.]");
long num = 16777216L * Long.parseLong(ips[0]) + 65536L * Long.parseLong(ips[1])
        + 256 * Long.parseLong(ips[2]) + Long.parseLong(ips[3]);
return num;
longip2long(String ip)
iplong 
String[] parts = ip.split("\\.");
long result = 0;
int power = 0;
if (parts.length != 4) {
    throw new IllegalArgumentException("Invalid IP format");
for (int i = parts.length; i > 0; i--) {
    int parseInt = Integer.parseInt(parts[i - 1]);
...
Longip2long(String ip)
iplong 
String[] arrStr = ip.split("\\.");
if (arrStr.length != 4)
    throw new IllegalArgumentException("Wrong IP address");
Long longIP = Long.parseLong(arrStr[0]) * 256 * 256 * 256 + Long.parseLong(arrStr[1]) * 256 * 256
        + Long.parseLong(arrStr[2]) * 256 + Long.parseLong(arrStr[3]);
return longIP;
longip2Long(String ip)
ip Long 
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("\\.");
...
longip2long(String ip)
iplong 
long ipNumber = 0;
String[] ips = ip.split("[.]");
for (int i = 0; i < 4; ++i) {
    ipNumber = ipNumber << 8 | Integer.parseInt(ips[i]);
return ipNumber;
longip2long(String ip)
Convert dotted IP to long 
String[] part = ip.split("\\.");
long num = 0;
for (int i = 0; i < part.length; i++) {
    int power = 3 - i;
    num += ((Integer.parseInt(part[i]) % 256 * Math.pow(256, power)));
return num;
longip2long(String ip)
string ip to long ip 
String[] p = ip.split("\\.");
if (p.length != 4)
    return 0;
int p1 = ((Integer.valueOf(p[0]) << 24) & 0xFF000000);
int p2 = ((Integer.valueOf(p[1]) << 16) & 0x00FF0000);
int p3 = ((Integer.valueOf(p[2]) << 8) & 0x0000FF00);
int p4 = ((Integer.valueOf(p[3]) << 0) & 0x000000FF);
return ((p1 | p2 | p3 | p4) & 0xFFFFFFFFL);
...