org.jruby.ext.socket

Class SocketUtilsIPV6.IPv6Address

java.lang.Object

org.jruby.ext.socket.SocketUtilsIPV6.IPv6Address

Enclosing class:

SocketUtilsIPV6

public static class SocketUtilsIPV6.IPv6Address
extends java.lang.Object

Method Summary

Modifier and Type	Method and Description
SocketUtilsIPV6.IPv6Address	add(int value) Addition.
SocketUtilsIPV6.IPv6Address	fromString(java.lang.String string) Create an IPv6 address from its String representation.
long	getHighBits()
long	getLowBits()
boolean	isIPv4Mapped() Returns true if the address is an IPv4-mapped IPv6 address.
SocketUtilsIPV6.IPv6Address	maskWithNetworkMask(SocketUtilsIPV6.IPv6NetworkMask networkMask) Mask the address with the given network mask.
SocketUtilsIPV6.IPv6Address	maximumAddressWithNetworkMask(SocketUtilsIPV6.IPv6NetworkMask networkMask) Calculate the maximum address with the given network mask.
int	numberOfLeadingOnes()
int	numberOfLeadingZeroes()
int	numberOfTrailingOnes()
int	numberOfTrailingZeroes()
SocketUtilsIPV6.IPv6Address	subtract(int value) Subtraction.
java.net.InetAddress	toInetAddress()
java.lang.String	toString() Returns a string representation of the IPv6 address.

Methods inherited from class java.lang.Object

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

Method Detail

fromString

public SocketUtilsIPV6.IPv6Address fromString(java.lang.String string)

Create an IPv6 address from its String representation. For example "1234:5678:abcd:0000:9876:3210:ffff:ffff" or "2001::ff" or even "::". IPv4-Mapped IPv6 addresses such as "::ffff:123.456.123.456" are also supported.

Parameters:

string - string representation

Returns:

IPv6 address

toInetAddress

public java.net.InetAddress toInetAddress()
                                   throws java.net.UnknownHostException

Throws:

java.net.UnknownHostException

add

public SocketUtilsIPV6.IPv6Address add(int value)

Addition. Will never overflow, but wraps around when the highest ip address has been reached.

Parameters:

value - value to add

Returns:

new IPv6 address

subtract

public SocketUtilsIPV6.IPv6Address subtract(int value)

Subtraction. Will never underflow, but wraps around when the lowest ip address has been reached.

Parameters:

value - value to subtract

Returns:

new IPv6 address

maskWithNetworkMask

public SocketUtilsIPV6.IPv6Address maskWithNetworkMask(SocketUtilsIPV6.IPv6NetworkMask networkMask)

Mask the address with the given network mask.

Parameters:

networkMask - network mask

Returns:

an address of which the last 128 - networkMask.asPrefixLength() bits are zero

maximumAddressWithNetworkMask

public SocketUtilsIPV6.IPv6Address maximumAddressWithNetworkMask(SocketUtilsIPV6.IPv6NetworkMask networkMask)

Calculate the maximum address with the given network mask.

Parameters:

networkMask - network mask

Returns:

an address of which the last 128 - networkMask.asPrefixLength() bits are one

isIPv4Mapped

public boolean isIPv4Mapped()

Returns true if the address is an IPv4-mapped IPv6 address. In these addresses, the first 80 bits are zero, the next 16 bits are one, and the remaining 32 bits are the IPv4 address.

Returns:

true if the address is an IPv4-mapped IPv6 addresses.

toString

public java.lang.String toString()

Returns a string representation of the IPv6 address. It will use shorthand notation and special notation for IPv4-mapped IPv6 addresses whenever possible.

Overrides:

toString in class java.lang.Object

Returns:

String representation of the IPv6 address

getHighBits

public long getHighBits()

getLowBits

public long getLowBits()

numberOfTrailingZeroes

public int numberOfTrailingZeroes()

numberOfTrailingOnes

public int numberOfTrailingOnes()

numberOfLeadingZeroes

public int numberOfLeadingZeroes()

numberOfLeadingOnes

public int numberOfLeadingOnes()