Hi all,
I made a new project in wicket-stuff(sourceforge) called
wicket-contrib-push.
This project allows pushing of events on server side in a simulated bus
between server and all client. This pushing has 2 implementations :
* The first based on Xavier Hanin work which is based on timerBehavior
and simulates a bus with an EventStore (see
http://www.nabble.com/server-side-triggered-page-refresh-%28aka-push%29-tf3321420.html#a9234009
and
http://www.nabble.com/Pushing-data-to-the-Ajax-client-in-wicket--tf3354017.html#a9327668)
* The second one using cometd(www.cometd.org) and dependant of
wicket-contrib-dojo
The way to publish and listen to events is the following (with cometd
and timer implementation):
//Somewhere I publish a new event. It can be for example in on click of
a ajax link or elsewhere :
IPushPublisher publisher = new IPushPublisher("aBusChannel");
IPushEvent event = new IPushEvent()
event.add("akey", "myvalue");
publisher.publish(event);
//My page can be aware of event in aBusChannel :
IPushBehavior behavior = new IPushBehavior("aBusChannel"){
public abstract void onEvent(String channel, Map<String, String>
datas, IPushTarget target){
//Triggered when event is publish by publisher
//IPushTarget has the sapme prototype as AjaxRequestTarget
}
}
WDYT?, Any comments, feelings?
PS : sources are available on svn :
https://wicket-stuff.svn.sourceforge.net/svnroot/wicket-stuff/branches/wicket-1.3/wicket-contrib-push
https://wicket-stuff.svn.sourceforge.net/svnroot/wicket-stuff/branches/wicket-1.3/wicket-contrib-push-examples
--
Vincent Demay
http://www.demay-fr.net/blog
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