com.mindbright.util

Class Util

java.lang.Object

com.mindbright.util.Util

public final class Util
extends java.lang.Object

Miscellaneous utility functions

Constructor Summary

Constructors

Constructor and Description
Util()

Method Summary

Methods

Modifier and Type	Method and Description
static byte[]	byteArrayFromHexString(java.lang.String in) Convert an hex-string to byte array "0001a0" -> {0x00, 0x01, 0xa0}
static java.lang.String	getHost(java.lang.String address) Extracts the host part of an address string.
static int	getPort(java.lang.String address, int def) Extracts the host part of an address string.
static boolean	isLink(java.io.File f)
static java.lang.Object[]	parseForwardSpec(java.lang.String spec, java.lang.Object local) Parses a port forward spec of the following format: /plugin/local_host:local_port:remote_host:remote_port Where /plugin/ and local_host: are optional.

Methods inherited from class java.lang.Object

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

Constructor Detail

Util

public Util()

Method Detail

getHost

public static java.lang.String getHost(java.lang.String address)

Extracts the host part of an address string. The address string is expected to be in the format: host:port where the ":port" part is optional. The host part is either a name or an IPv4 address. The host may also be an IPv6 literal address enclosed in brackets ([]).

Parameters:

address - the string to extract data from

Returns:

the host name

getPort

public static int getPort(java.lang.String address,
          int def)

Extracts the host part of an address string. The address string is expected to be in the format: host:port where the ":port" part is optional. The host part is either a name or an IPv4 address. The host may also be an IPv6 literal address enclosed in brackets ([]).

Parameters:

address - the string to extract data from

def - default port number to return if the address does not contain any port definition.

Returns:

the port name

parseForwardSpec

public static java.lang.Object[] parseForwardSpec(java.lang.String spec,
                                  java.lang.Object local)
                                           throws java.lang.IllegalArgumentException

Parses a port forward spec of the following format: /plugin/local_host:local_port:remote_host:remote_port Where /plugin/ and local_host: are optional.

local_host and remote_host may be names or literal IPv4 addreses. They can also be literal IPv6 addresses enclosed in ([]).

Parameters:

spec - the port forward spec

local - defaukt local listenber address

Returns:

an array of five objects

Throws:

java.lang.IllegalArgumentException

byteArrayFromHexString

public static byte[] byteArrayFromHexString(java.lang.String in)

Convert an hex-string to byte array "0001a0" -> {0x00, 0x01, 0xa0}

Parameters:

in - a hexadecimal string

Returns:

a byte array

isLink

public static boolean isLink(java.io.File f)