private void notifyOtherExchangeParticipant( String userEmail, DirectBookExchange directExchangeToReject) { if (directExchangeToReject.getExchangeInitiatorEmail().equals(userEmail)) { raiseDirectExchangeRejectedNotification( excahngeRejecteUserUnderOfferdMessage, directExchangeToReject.getUserUnderOffer()); } else { raiseDirectExchangeRejectedNotification( exchangeRejectedInitiatorMessage, directExchangeToReject.getExchangeInitiator()); } }