org.opensaml.xml.util
Class IPAddressHelper

java.lang.Object
  org.opensaml.xml.util.IPAddressHelper

public final class IPAddressHelper
extends Object

Helper class for working with IP address data.

Method Summary

static String	addressToString(byte[] address) Convert the byte array representation of an IP address into a string.
static boolean	hasMask(byte[] address) Check whether IP address array has a subnet mask or not.
static boolean	isIPv4(byte[] address) Check whether IP address array is IPv4.
static boolean	isIPv6(byte[] address) Check whether IP address array is IPv6.

Methods inherited from class java.lang.Object

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

Method Detail

addressToString

public static String addressToString(byte[] address)

Convert the byte array representation of an IP address into a string. Supports IPv4 and IPv6 addresses. Supports optional subnet mask stored within the same byte array. If the latter is present, output will be: "ipAddr/mask".

Parameters:

address - IP address in byte array form (in network byte order)

Returns:

IP address as a string, or null if can not be processed

isIPv4

public static boolean isIPv4(byte[] address)

Check whether IP address array is IPv4.

Parameters:

address - IP address byte array

Returns:

true if IPv4, false otherwise

isIPv6

public static boolean isIPv6(byte[] address)

Check whether IP address array is IPv6.

Parameters:

address - IP address byte array

Returns:

true if IPv6, false otherwise

hasMask

public static boolean hasMask(byte[] address)

Check whether IP address array has a subnet mask or not.

Parameters:

address - IP address byte array

Returns:

true if has subnet mask, false otherwise