@Override
    public boolean isServiceAdmin(JID user) {
        // Here we consider a 'service admin' to be the user that this PEPService is associated with.
        return serviceOwner.equals(user.asBareJID());
    }
Returns true if the prober is allowed to see the presence of the probee.

@param prober the user that is trying to probe the presence of another user.
@param probee the username of the uset that is being probed.
@return true if the prober is allowed to see the presence of the probee.
@throws UserNotFoundException If the probee does not exist in the local server or the prober
        is not present in the roster of the probee.
xmppserver/src/main/java/org/jivesoftware/openfire/pep/PEPService.java