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java.lang.Objectorg.apache.mina.util.AvailablePortFinder
public class AvailablePortFinder
Finds currently available server ports.
| 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 |
|---|
public static final int MIN_PORT_NUMBER
public static final int MAX_PORT_NUMBER
| Method Detail |
|---|
public static Set<Integer> getAvailablePorts()
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.
public static int getNextAvailable()
NoSuchElementException - if there are no ports availablepublic static int getNextAvailable(int fromPort)
fromPort - the port to scan for availability
NoSuchElementException - if there are no ports availablepublic static boolean available(int port)
port - the port to check for availability
public static Set<Integer> getAvailablePorts(int fromPort,
int toPort)
Set of currently avaliable port numbers (Integer)
between the specified port range.
IllegalArgumentException - if port range is not between
MIN_PORT_NUMBER and MAX_PORT_NUMBER or
fromPort if greater than toPort.
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