net.openwings.availability
Class VisibleFactory

java.lang.Object
  net.openwings.availability.VisibleFactory

public final class VisibleFactory

extends java.lang.Object

This class provides a way to obtain an implementation of Visible. There may be multiple Visible instances in an application corresponding to different hosts. The choice of Visible implementation class is set using the net.openwings.availability.visible.implementation property. A compliant implementation must implement this interface and provide two constructors:

• Constructor(java.net.InetAddress host)
• Constructor(java.lang.String hostname) throws UnknownHostException

Constructor Summary

VisibleFactory()

Method Summary

static Visible	getVisible(java.net.InetAddress host) This method is used to obtain an implementation of the Visible plugin based on an address.
static Visible	getVisible(java.lang.String hostname) This method is used to obtain an implementation of the Visible plugin based on a hostname.

Methods inherited from class java.lang.Object

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

Constructor Detail

VisibleFactory

public VisibleFactory()

Method Detail

getVisible

public static Visible getVisible(java.net.InetAddress host)

This method is used to obtain an implementation of the Visible plugin based on an address.

Returns:

object implementing the Visible interface.

getVisible

public static Visible getVisible(java.lang.String hostname)
                          throws java.net.UnknownHostException

This method is used to obtain an implementation of the Visible plugin based on a hostname.

Returns:

object implementing the Visible interface.

Throws:

java.net.UnknownHostException - if the host cannot be determined from the hostname