org.scion.jpan.internal

Class IPHelper

java.lang.Object

org.scion.jpan.internal.IPHelper

public class IPHelper
extends Object

Method Summary

Modifier and Type	Method and Description
static String	ensurePortOrDefault(String address, int port) Checks if the address string contains a port.
static String	extractIP(String s)
static InetAddress	getByAddress(int[] ints) Convenience function that creates an IP address from a int[] instead of a byte[]
static boolean	isLocalhost(String hostName)
static byte[]	lookupLocalhost(String hostName)
static byte[]	toByteArray(String s)
static InetAddress	toInetAddress(String s)
static InetSocketAddress	toInetSocketAddress(String s)
static int	toPort(String s)

Methods inherited from class java.lang.Object

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

Method Detail

isLocalhost

public static boolean isLocalhost(String hostName)

lookupLocalhost

public static byte[] lookupLocalhost(String hostName)

toByteArray

public static byte[] toByteArray(String s)

toPort

public static int toPort(String s)

toInetAddress

public static InetAddress toInetAddress(String s)
                                 throws UnknownHostException

Throws:

UnknownHostException

toInetSocketAddress

public static InetSocketAddress toInetSocketAddress(String s)

Parameters:

s - IP and port, e.g. 127.0.0.1:8080 or localhost:8080

Returns:

InetSocketAddress

extractIP

public static String extractIP(String s)

ensurePortOrDefault

public static String ensurePortOrDefault(String address,
                                         int port)

Checks if the address string contains a port. If not, it appends the default port.

Parameters:

address - Address string with or without port

port - default port

Returns:

address with port.

getByAddress

public static InetAddress getByAddress(int[] ints)

Convenience function that creates an IP address from a int[] instead of a byte[]

Parameters:

ints - Address bytes.

Returns:

InetAddress