com.buzzsurf.dns
Class Util

java.lang.Object
  |
  +--com.buzzsurf.dns.Util

public class Util

extends java.lang.Object

Static utilities used to convert IP Addresses between the various formats used internally by the java.net.InetAddress class and associated classes.

Version:

0.9

Author:

Paul Cowan (pwc21@yahoo.com)

Field Summary

static int

INADDRSZ

Method Summary

static byte[]	intToNumericFormat(int src) Converts the internal integer representation of an IPv4 into a binary address
static int	numericToIntFormat(byte[] addr) Converts IPv4 binary address a single integer representation as used internally by Inet4Address
static java.lang.String	numericToTextFormat(byte[] src) Converts IPv4 binary address into a string suitable for presentation.
static byte[]	textToNumericFormat(java.lang.String src) Converts IPv4 address in its textual presentation form into its numeric binary form.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

INADDRSZ

public static final int INADDRSZ

See Also:

Constant Field Values

Method Detail

intToNumericFormat

public static byte[] intToNumericFormat(int src)

Converts the internal integer representation of an IPv4 into a binary address

Returns:

a byte array representing an IPv4 numeric address

numericToIntFormat

public static int numericToIntFormat(byte[] addr)

Converts IPv4 binary address a single integer representation as used internally by Inet4Address

Returns:

an integer representation of the IPv4 address

numericToTextFormat

public static java.lang.String numericToTextFormat(byte[] src)

Converts IPv4 binary address into a string suitable for presentation.

Parameters:

src - a byte array representing an IPv4 numeric address

Returns:

a String representing the IPv4 address in textual representation format

textToNumericFormat

public static byte[] textToNumericFormat(java.lang.String src)

Converts IPv4 address in its textual presentation form into its numeric binary form.

Parameters:

src - a String representing an IPv4 address in standard format

Returns:

a byte array representing the IPv4 numeric address