info.informatica.net
Class HostName

java.lang.Object
  info.informatica.net.HostName

All Implemented Interfaces:

Serializable

public final class HostName
extends Object
implements Serializable

Encapsulates Hostname value and utility methods.

Version:

1.02

Author:

amengual at informatica dot info

See Also:

Serialized Form

Constructor Summary

HostName(String s)

Method Summary

static boolean	checkValid(String s)
String	getFqdn()
static String	getRootDomain(String fqdn)
static String	getSubDomain(String fqdn) Gets the subdomain for this hostname.
static String	getTopDomain(String fqdn)

Methods inherited from class java.lang.Object

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

Constructor Detail

HostName

public HostName(String s)
         throws HostNameException

Throws:

HostNameException

Method Detail

checkValid

public static boolean checkValid(String s)

getFqdn

public String getFqdn()

getTopDomain

public static String getTopDomain(String fqdn)

getRootDomain

public static String getRootDomain(String fqdn)
                            throws HostNameException

Throws:

HostNameException

getSubDomain

public static String getSubDomain(String fqdn)
                           throws HostNameException

Gets the subdomain for this hostname.

Parameters:

fqdn - A fully qualified domain name (FQDN).

Returns:

the subdomain of FQDN.

Throws:

HostNameException - if the hostname is invalid.