org.everrest.assured.util
Class AvailablePortFinder

java.lang.Object
  org.everrest.assured.util.AvailablePortFinder

public class AvailablePortFinder
extends Object

Finds currently available server ports.

Author:

Apache MINA Project

See Also:

IANA.org

Field Summary

static int	MAX_PORT_NUMBER The maximum number of server port number.
static int	MIN_PORT_NUMBER The minimum number of server port number.

Method Summary

static boolean	available(int port) Checks to see if a specific port is available.
static Set<Integer>	getAvailablePorts() Returns the Set of currently available port numbers ( Integer).
static Set<Integer>	getAvailablePorts(int fromPort, int toPort) Returns the Set of currently avaliable port numbers ( Integer) between the specified port range.
static int	getNextAvailable() Gets the next available port starting at the lowest port number.
static int	getNextAvailable(int fromPort) Gets the next available port starting at a port.

Methods inherited from class java.lang.Object

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

Field Detail

MIN_PORT_NUMBER

public static final int MIN_PORT_NUMBER

The minimum number of server port number.

See Also:

Constant Field Values

MAX_PORT_NUMBER

public static final int MAX_PORT_NUMBER

The maximum number of server port number.

See Also:

Constant Field Values

Method Detail

getAvailablePorts

public static Set<Integer> getAvailablePorts()

Returns the Set of currently available port numbers ( Integer). This method is identical to getAvailablePorts(MIN_PORT_NUMBER, MAX_PORT_NUMBER). WARNING: this can take a very long time.

getNextAvailable

public static int getNextAvailable()

Gets the next available port starting at the lowest port number.

Throws:

NoSuchElementException - if there are no ports available

getNextAvailable

public static int getNextAvailable(int fromPort)

Gets the next available port starting at a port.

Parameters:

fromPort - the port to scan for availability

Throws:

NoSuchElementException - if there are no ports available

available

public static boolean available(int port)

Checks to see if a specific port is available.

Parameters:

port - the port to check for availability

getAvailablePorts

public static Set<Integer> getAvailablePorts(int fromPort,
                                             int toPort)

Returns the Set of currently avaliable port numbers ( Integer) between the specified port range.

Throws:

IllegalArgumentException - if port range is not between MIN_PORT_NUMBER and MAX_PORT_NUMBER or fromPort if greater than toPort.