com.gridsystems.utils
Class NetUtils

java.lang.Object
  com.gridsystems.utils.NetUtils

public final class NetUtils
extends java.lang.Object

Network utilities.

Author:

dsanchez, Xmas

Method Summary

static boolean	areFreePorts(int[] ports) Check if a list of ports are free.
static boolean	checkPort(int portNumber) Checks whether a port is available for opening.
static java.lang.String[]	getAllIPs()
static java.lang.String	getMachineIP()
static void	main(java.lang.String[] args) Utility application.
static boolean	serverIsLocal(java.lang.String host) Helper method to know if certain server ip or server name is our machine or not.

Methods inherited from class java.lang.Object

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

Method Detail

checkPort

public static boolean checkPort(int portNumber)

Checks whether a port is available for opening.

Parameters:

portNumber - the port number

Returns:

true if the port is available, false otherwise

getAllIPs

public static java.lang.String[] getAllIPs()

Returns:

All IPs of this machine.

getMachineIP

public static java.lang.String getMachineIP()

Returns:

Return best IP for this machine.

serverIsLocal

public static boolean serverIsLocal(java.lang.String host)

Helper method to know if certain server ip or server name is our machine or not.

Parameters:

host - The host name to test

Returns:

true if host is (or is an alias to) localhost

areFreePorts

public static boolean areFreePorts(int[] ports)

Check if a list of ports are free.

Parameters:

ports - The port numbers to test

Returns:

true if all ports are free in this host

main

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

Utility application.

Parameters:

args - Arguments