public class AvailablePortFinder extends Object
Modifier and Type | Field and Description |
---|---|
static int |
MAX_PORT_NUMBER
The maximum number of server port number.
|
static int |
MIN_PORT_NUMBER
The minimum number of server port number.
|
Modifier and Type | Method and Description |
---|---|
static boolean |
available(int port)
Checks to see if a specific port is available.
|
static Set<Integer> |
getAvailablePorts() |
static Set<Integer> |
getAvailablePorts(int fromPort,
int toPort) |
static int |
getNextAvailable() |
static int |
getNextAvailable(int fromPort) |
public static final int MIN_PORT_NUMBER
public static final int MAX_PORT_NUMBER
public static int getNextAvailable()
NoSuchElementException
- if there are no ports availablepublic static int getNextAvailable(int fromPort)
fromPort
- the port to scan for availabilityNoSuchElementException
- if there are no ports availablepublic static boolean available(int port)
port
- the port to check for availabilitypublic static Set<Integer> getAvailablePorts(int fromPort, int toPort)
fromPort
- The port we start fromtoPort
- The posrt we stop atSet
of currently avalaible 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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