Package io.undertow.util

Class NetworkUtils

java.lang.Object

io.undertow.util.NetworkUtils

public class NetworkUtils
extends Object

Author:

Stuart Douglas, baranowb

Field Summary

Fields

Modifier and Type	Field	Description
static String	IP4_EXACT	?
static String	IP4_SEGMENT	IPv4Segment: (25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])
static String	IP6_EXACT	IPV6 match. ?
static String	IP6_SEGMENT	IPv6Segment: ([0-9a-fA-F]{1,4}) - 1 to 4 hex digits

Method Summary

Modifier and Type	Method	Description
static String	formatPossibleIpv6Address(String address)
static InetAddress	parseIpv4Address(String addressString)
static InetAddress	parseIpv6Address(String addressString)
static byte[]	parseIpv6AddressToBytes(String addressString)
static String	toObfuscatedString(InetAddress address)

Methods inherited from class java.lang.Object

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

Field Detail

IP4_SEGMENT

public static final String IP4_SEGMENT

IPv4Segment: (25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])

See Also:

Constant Field Values

IP4_EXACT

public static final String IP4_EXACT

?: - unnamed groups are used for performance reasons. IPv4Segment: 25[0-5]|((2[0-4]|1){0,1}[0-9]){0,1}[0-9]) -extra () is not needed but makes it clear for OR IPv4Address: (IPv4Segment\.){3,3}IPv4Segment

See Also:

Constant Field Values

IP6_SEGMENT

public static final String IP6_SEGMENT

IPv6Segment: ([0-9a-fA-F]{1,4}) - 1 to 4 hex digits

See Also:

Constant Field Values

IP6_EXACT

public static final String IP6_EXACT

IPV6 match. ?: - unnamed groups are used for performance reasons. Requirements: - match full or partial IPV6 ( sliding '::') - match end to start - ^$ to ensure it does not match part of some random (\d:){n,m} - IPv4-Embedded IPv6 Address - TODO: special types of addresses ? Explanation: IPv6Segment: ([0-9a-fA-F]{1,4}) - 1 to 4 hex digits IPv6Address: (IPv6Segment:){1,n}IPv6Segment or (IPv6Segment:){1,x}(:IPv6Segment){1,y} where x+y<8 ^ shift of segments ~left to right with qualifiers Above is just general form for pure IPv6 without any spices ^(?:([0-9a-fA-F]{1,4}:){7,7}(?:[0-9a-fA-F]){1,4} - 1:2:3:4:5:6:7:8 |(?:([0-9a-fA-F]{1,4}:)){1,7}(?:(:)) - 1:: 1:2:3:4:5:6:7:: |(?:([0-9a-fA-F]{1,4}:)){1,6}(?:(:[0-9a-fA-F]){1,4}) - 1::8 1:2:3:4:5:6::8 |(?:([0-9a-fA-F]{1,4}:)){1,5}(?:(:[0-9a-fA-F]{1,4})){1,2} - 1::7:8 1:2:3:4:5::8 |(?:([0-9a-fA-F]{1,4}:)){1,4}(?:(:[0-9a-fA-F]{1,4})){1,3} - 1::6:7:8 1:2:3:4::8 |(?:([0-9a-fA-F]{1,4}:)){1,3}(?:(:[0-9a-fA-F]{1,4})){1,4} - 1::5:6:7:8 1:2:3::8 |(?:([0-9a-fA-F]{1,4}:)){1,2}(?:(:[0-9a-fA-F]{1,4})){1,5} - 1::4:5:6:7:8 1:2::8 |(?:([0-9a-fA-F]{1,4}:))(?:(:[0-9a-fA-F]{1,4})){1,6} - 1::3:4:5:6:7:8 1::8 |(?:(:))(?:((:[0-9a-fA-F]{1,4}){1,7}|(?:(:)))) - ::2:3:4:5:6:7:8 ::8 :: |(?:([0-9a-fA-F]{1,4}:)){1,4}(?:(:IPv4Address)))$ - 1.2.3.4::192.168.1.1 1::192.168.1.1

See Also:

Constant Field Values

Method Detail

formatPossibleIpv6Address

public static String formatPossibleIpv6Address(String address)

parseIpv4Address

public static InetAddress parseIpv4Address(String addressString)
                                    throws IOException

Throws:

IOException

parseIpv6Address

public static InetAddress parseIpv6Address(String addressString)
                                    throws IllegalArgumentException,
                                           UnknownHostException

Throws:

IllegalArgumentException

UnknownHostException

parseIpv6AddressToBytes

public static byte[] parseIpv6AddressToBytes(String addressString)
                                      throws IllegalArgumentException,
                                             UnknownHostException

Throws:

IllegalArgumentException

UnknownHostException

toObfuscatedString

public static String toObfuscatedString(InetAddress address)