private void clearCache(Collection<String> addresses) {
for (String pjid : addresses) {
/*
* TODO We should remove all presences kept for the given
* addresses
*/
for (Presence presence : rosterTracker.getPresences(new JID(pjid))) {
clearCache(presence);
}
}
}
/**
* Returns the RQ-JID of given plain JID supporting the feature of the given name-space if
* available, otherwise null.
*
* <p>If not in the cache then a blocking cache update is performed.
*
* @param jid The JID of the user to find a supporting presence for. The JID can be resource
* qualified in which case the resource is stripped, before performing the look-up.
* @blocking This method blocks until the ServiceDiscovery returns.
* @reentrant This method can be called concurrently.
* @caching If results are available in the cache, they are used instead of querying the server.
*/
public JID getSupportingPresence(final JID jid, final String namespace) {
checkJID(jid);
for (Presence presence : rosterTracker.getPresences(jid.getBareJID())) {
if (!presence.isAvailable()) continue;
String rjid = presence.getFrom();
if (rjid == null) {
LOG.error("presence.getFrom() is null");
continue;
}
JID jidToCheck = new JID(rjid);
Boolean supported = queryFeatureSupport(jidToCheck, namespace);
if (supported != null && supported) return jidToCheck;
}
return null;
}
