@Override
    public boolean canCreateNode(JID creator) {
        // Node creation is always allowed for sysadmin
        return !isNodeCreationRestricted() || isServiceAdmin(creator);
    }
Manager of entities that interact with persistent storage of data (eg: the database).
xmppserver/src/main/java/org/jivesoftware/openfire/pubsub/PubSubModule.java