edu.iu.dsc.tws.common.util

Class NetworkUtils

java.lang.Object

edu.iu.dsc.tws.common.util.NetworkUtils

public final class NetworkUtils
extends java.lang.Object

Method Summary

Modifier and Type	Method and Description
static java.util.Map<java.lang.String,java.net.ServerSocket>	findFreePorts(java.util.List<java.lang.String> portNames) Returns a map of free ports on localhost.
static int	getFreePort() Get available port.
static java.lang.String	printStackTrace()

Methods inherited from class java.lang.Object

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

Method Detail

getFreePort

public static int getFreePort()

Get available port.

Returns:

available port. -1 if no available ports exist

printStackTrace

public static java.lang.String printStackTrace()

findFreePorts

public static java.util.Map<java.lang.String,java.net.ServerSocket> findFreePorts(java.util.List<java.lang.String> portNames)

Returns a map of free ports on localhost.

Returns:

a map from port name to port number

Throws:

java.lang.IllegalStateException - if unable to find specified free ports