private void unregister(IQ request, JID actorJID, boolean isRemote) throws Exception {
LOGGER.debug("Processing unregister request from " + request.getFrom());
if (!validateSingleChildElement(request)) {
failBadRequest(request);
return;
}
if (!isRemote && !userRegistered(actorJID)) {
failRegistrationRequired(request);
return;
}
Transaction t = null;
try {
t = channelManager.beginTransaction();
List<Packet> notifications = new LinkedList<Packet>();
Set<String> remoteDomains = getRemoteDomains();
ResultSet<NodeMembership> userMemberships = channelManager.getUserMemberships(actorJID);
for (NodeMembership userMembership : userMemberships) {
String nodeId = userMembership.getNodeId();
if (isPersonal(nodeId) || isSingleOwner(nodeId, actorJID)) {
channelManager.deleteNode(nodeId);
if (Configuration.getInstance().isLocalNode(nodeId)) {
addDeleteNodeNotifications(nodeId, notifications);
}
}
if (!isRemote) {
addUnsubscribeFromNodeNotifications(actorJID, userMembership.getNodeId(), notifications);
}
}
ResultSet<NodeItem> userItems = channelManager.getUserPublishedItems(actorJID);
for (NodeItem userItem : userItems) {
if (Configuration.getInstance().isLocalNode(userItem.getNodeId())) {
addDeleteItemNotifications(userItem.getNodeId(), userItem.getId(), notifications);
}
}
channelManager.deleteUserItems(actorJID);
channelManager.deleteUserSubscriptions(actorJID);
channelManager.deleteUserAffiliations(actorJID);
outQueue.put(IQ.createResultIQ(request));
if (!isRemote) {
makeRemoteRequests(request, remoteDomains);
}
sendNotifications(notifications);
t.commit();
} finally {
if (t != null) {
t.close();
}
}
}
private boolean isSingleOwner(String nodeId, JID userJid) throws NodeStoreException {
ResultSet<NodeMembership> nodeMemberships = channelManager.getNodeMemberships(nodeId);
int ownerCount = 0;
boolean isOwner = false;
for (NodeMembership nodeMembership : nodeMemberships) {
if (nodeMembership.getAffiliation().equals(Affiliations.owner)) {
ownerCount++;
if (nodeMembership.getUser().equals(userJid)) {
isOwner = true;
}
}
}
return isOwner && ownerCount == 1;
}