com.helger.network.port

Class NetworkPortHelper

java.lang.Object

com.helger.network.port.NetworkPortHelper

@Immutable
public final class NetworkPortHelper
extends Object

Network port helper class. Contains some utility methods.

Author:

Philip Helger

Method Summary

Modifier and Type	Method and Description
static ENetworkPortStatus	checkPortOpen(String sHostName, int nPort, int nTimeoutMillisecs) Check the status of a remote port.
static boolean	isValidPort(int nPort) Check of the passed port number is theoretically valid.

Methods inherited from class java.lang.Object

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

Method Detail

isValidPort

public static boolean isValidPort(int nPort)

Check of the passed port number is theoretically valid. Valid ports must be in the range of 0-65535.

Parameters:

nPort - The port number to be tested.

Returns:

true if the port number is valid, false otherwise.

checkPortOpen

@Nonnull
public static ENetworkPortStatus checkPortOpen(@Nonnull @Nonempty
                                                         String sHostName,
                                                         @Nonnegative
                                                         int nPort,
                                                         @Nonnegative
                                                         int nTimeoutMillisecs)

Check the status of a remote port.

Parameters:

sHostName - Hostname or IP address to check.

nPort - Port number to check.

nTimeoutMillisecs - Connection timeout in milliseconds.

Returns:

Never null.