/**
* Start updating the presence information. Tells the PresenceManager to plug into the
* UserListener system so it can be notified of user join/leave events, which it takes as signals
* to update the presence information.
*/
public void startPresenceUpdating() {
if (!service.isValidConfiguration()) {
logger.log(
Level.WARNING,
"Tried to start presence updating, but XMPP configuration was not valid. Make sure to set an account name and password.");
return;
}
// Start a recurring task that updates the status messages.
// lets try using the UserManager notification mechanism for deciding when a good time to update
// would be.
UserManager manager = UserManager.getUserManager();
listener = new PresenceUserListener();
// Using this inner class as an indirection to avoid serialization problems.
manager.addUserListener(listener);
// Kick off a task that periodically cleans out expired XMPP connections
// (ie connections from which we haven't seen an event in a while)
// no need to run this that often; being off by a few seconds is no big deal.
AppContext.getTaskManager().schedulePeriodicTask(new ExpireConnectionsTask(), 0, 3000);
}
