/**
* Returns an unmodifiable collection of the roster groups that this entry belongs to.
*
* @return an iterator for the groups this entry belongs to.
*/
public Collection<RosterGroup> getGroups() {
List<RosterGroup> results = new ArrayList<RosterGroup>();
// Loop through all roster groups and find the ones that contain this
// entry. This algorithm should be fine
for (RosterGroup group : roster.getGroups()) {
if (group.contains(this)) {
results.add(group);
}
}
return Collections.unmodifiableCollection(results);
}
/**
* @see net.sf.kraken.session.TransportSession#updateContact(net.sf.kraken.roster.TransportBuddy)
*/
@Override
public void updateContact(XMPPBuddy contact) {
RosterEntry user2Update;
String mail = getTransport().convertJIDToID(contact.getJID());
user2Update = conn.getRoster().getEntry(mail);
user2Update.setName(contact.getNickname());
Collection<String> newgroups = contact.getGroups();
if (newgroups == null) {
newgroups = new ArrayList<String>();
}
for (RosterGroup group : conn.getRoster().getGroups()) {
if (newgroups.contains(group.getName())) {
if (!group.contains(user2Update)) {
try {
group.addEntry(user2Update);
} catch (XMPPException e) {
Log.debug("XMPP: Unable to add roster item to group.");
}
}
newgroups.remove(group.getName());
} else {
if (group.contains(user2Update)) {
try {
group.removeEntry(user2Update);
} catch (XMPPException e) {
Log.debug("XMPP: Unable to delete roster item from group.");
}
}
}
}
for (String group : newgroups) {
RosterGroup newgroup = conn.getRoster().createGroup(group);
try {
newgroup.addEntry(user2Update);
} catch (XMPPException e) {
Log.debug("XMPP: Unable to add roster item to new group.");
}
}
}
