Package com.vaadin.flow.testutil.net

Class PortProber

java.lang.Object

com.vaadin.flow.testutil.net.PortProber

public class PortProber
extends Object

Class for determining a free localhost port that is not used by any ipv4 or ipv6 interfaces.

Derived from SeleniumHQ / selenium

For internal use only. May be renamed or removed in a future release.

Field Summary

Fields

Modifier and Type	Field	Description
static final int	HIGHEST_PORT
static final int	START_OF_USER_PORTS

Method Summary

Modifier and Type	Method	Description
static int	findFreePort()	Get a free localhost port that is not in use by any interface.

Methods inherited from class java.lang.Object

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

Field Details

HIGHEST_PORT

public static final int HIGHEST_PORT

See Also:

• Constant Field Values

START_OF_USER_PORTS

public static final int START_OF_USER_PORTS

See Also:

• Constant Field Values

Method Details

findFreePort

public static int findFreePort()

Get a free localhost port that is not in use by any interface.

Returns:

found free port

Throws:

RuntimeException - if no free port was found