org.jboss.remoting.transport
Class PortUtil

java.lang.Object
  org.jboss.remoting.transport.PortUtil

public class PortUtil
extends java.lang.Object

PortUtil is a set of utilities for dealing with TCP/IP ports

Version:

$Revision: 4281 $

Author:

Jeff Haynie, Tom Elrod

Constructor Summary

PortUtil()

Method Summary

static boolean	checkPort(int p, java.lang.String host) Checks to see if the specified port is free.
static int	findFreePort(java.lang.String host) Will try to find a port that is not in use up to 50 tries, at which point, will throw an exception.
static int	getRandomStartingPort()
static void	main(java.lang.String[] args)

Methods inherited from class java.lang.Object

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

Constructor Detail

PortUtil

public PortUtil()

Method Detail

checkPort

public static boolean checkPort(int p,
                                java.lang.String host)

Checks to see if the specified port is free.

Parameters:

p -

Returns:

true if available, false if already in use

findFreePort

public static int findFreePort(java.lang.String host)
                        throws java.io.IOException

Will try to find a port that is not in use up to 50 tries, at which point, will throw an exception.

Returns:

Throws:

java.io.IOException

getRandomStartingPort

public static int getRandomStartingPort()

main

public static void main(java.lang.String[] args)