#6 'DeviceChangeListener' Interface?

[Oliver Newell]

Greetings Satoshi -

One feature I have found a handy addition to CLink is a
'DeviceChangeListener' interface. A ControlPoint
application that supports this interface is notified
via callbacks when a device is added or removed by the
ControlPoint base class. Here's the interface:

package org.cybergarage.upnp.device;

import org.cybergarage.upnp.Device;

public interface DeviceChangeListener
{
public void deviceAdded( Device dev );
public void deviceRemoved( Device dev );
}

The modification consists of a few extra lines of code in
ControlPoint.java, and the new 'DeviceChangeListener' class
in cybergararge/upnp/device. Attached is a zip file with
the files (started with CLink1.5 version of
ControlPoint.java)

-Oliver

P.S. Feel free to pick another name besides
'DeviceChangeListener' if you decide to include the
feature and have a better name - it was the first thing
that popped into my head!

Also, I noticed that the CLink source has a mixture of
Windows/Unix line endings - some lines end with <CR><LF>,
and some with just a <LF>. Not a problem - just noticed
it since my emacs editor under UNIX displays the <CR>
symbols at the end of only some of the lines.

[Oliver Newell]

Patches that implement DeviceChangeListener feature

[Stefano Lenzi]

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Maybe we can create a decorator for the default ControlPoint in order to provider more or less eventing depending on the developer needs.

What do you think?