Package org.sentrysoftware.metricshub.engine.common.helpers

Class NetworkHelper

java.lang.Object

org.sentrysoftware.metricshub.engine.common.helpers.NetworkHelper

public class NetworkHelper
extends Object

Helper class to retrieve network information.

Method Summary

Modifier and Type	Method	Description
static URL	createUrl(@NonNull String protocol, @NonNull String hostnameOrIp, @NonNull Integer portNumber)	Constructs a URL from the specified protocol, hostname or IP address, and port.
static String	getFqdn(String hostname)	Get the fully qualified domain name (FQDN) of the given hostname.
static boolean	isLocalhost(String hostname)	Check whether the given hostname is a localhost.
static String	resolveDns(String hostname)	Resolve the IP address of the given hostname.

Methods inherited from class java.lang.Object

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

Method Details

isLocalhost

public static boolean isLocalhost(String hostname)

Check whether the given hostname is a localhost.

Parameters:

hostname - The hostname to check.

Returns:

true if the hostname is a localhost, false otherwise.

resolveDns

public static String resolveDns(String hostname)

Resolve the IP address of the given hostname.

Parameters:

hostname - The hostname.

Returns:

The IP address of the hostname, or null if not resolved.

getFqdn

public static String getFqdn(String hostname)

Get the fully qualified domain name (FQDN) of the given hostname.

Parameters:

hostname - The hostname.

Returns:

The FQDN of the hostname, or the original hostname if not resolved.

createUrl

public static URL createUrl(@NonNull
 @NonNull String protocol,
 @NonNull
 @NonNull String hostnameOrIp,
 @NonNull
 @NonNull Integer portNumber)
                     throws MalformedURLException,
UnknownHostException,
URISyntaxException

Constructs a URL from the specified protocol, hostname or IP address, and port. It properly formats the URL for both IPv4 and IPv6 addresses.

Parameters:

protocol - The communication protocol (e.g., "http", "https")

hostnameOrIp - The host name or IP address, IPv4 or IPv6

portNumber - The port number

Returns:

a URL object constructed from the provided parameters

Throws:

MalformedURLException - if no protocol is specified, or an unknown protocol is found

UnknownHostException - if the IP address or hostname cannot be resolved

URISyntaxException - if the URI string constructed from the input parameters is syntactically incorrect