/**
* Method is responsible for processing outgoing subscribed and unsubscribed presence (i.e. in the
* sender session manager).
*
* <p>Presence packet is forwarded to the destination with the JID stripped from the resource, a
* subscription state is being updated and, in case there was a change, a roster push is being
* sent to all user resources. Also, in case of presence type out_subscribed server send current
* presence to the user from each of the contact's available resources. For the presence type
* out_unsubscribed an unavailable presence is sent.
*
* @param packet packet is which being processed.
* @param session user session which keeps all the user session data and also gives an access to
* the user's repository data.
* @param results this a collection with packets which have been generated as input packet
* processing results.
* @param settings this map keeps plugin specific settings loaded from the Tigase server
* configuration.
* @param pres_type specifies type of the presence.
* @throws NoConnectionIdException
* @throws NotAuthorizedException
* @throws TigaseDBException
*/
protected void processOutSubscribed(
Packet packet,
XMPPResourceConnection session,
Queue<Packet> results,
Map<String, Object> settings,
RosterAbstract.PresenceType pres_type)
throws NotAuthorizedException, TigaseDBException, NoConnectionIdException {
// According to RFC-3921 I must forward all these kind presence
// requests, it allows to re-synchronize
// subscriptions in case of synchronization loss
forwardPresence(results, packet, session.getJID().copyWithoutResource());
Element initial_presence = session.getPresence();
JID buddy = packet.getStanzaTo().copyWithoutResource();
boolean subscr_changed = roster_util.updateBuddySubscription(session, pres_type, buddy);
if (autoAuthorize && (pres_type == RosterAbstract.PresenceType.out_subscribed)) {
roster_util.setBuddySubscription(
session, RosterAbstract.SubscriptionType.both, buddy.copyWithoutResource());
}
if (subscr_changed) {
roster_util.updateBuddyChange(session, results, roster_util.getBuddyItem(session, buddy));
if (initial_presence != null) {
if (pres_type == RosterAbstract.PresenceType.out_subscribed) {
// The contact's server MUST then also send current presence to the user
// from each of the contact's available resources.
List<XMPPResourceConnection> activeSessions = session.getActiveSessions();
for (XMPPResourceConnection userSessions : activeSessions) {
Element presence = userSessions.getPresence();
sendPresence(StanzaType.available, userSessions.getjid(), buddy, results, presence);
}
roster_util.setPresenceSent(session, buddy, true);
} else {
sendPresence(StanzaType.unavailable, session.getJID(), buddy, results, null);
}
} // end of if (subscr_changed)
}
}
