protected void doAssignDriver() { try { Ticket ticket = getFirstSelectedTicket(); // if(ticket == null) { // return; // } if (!Ticket.HOME_DELIVERY.equals(ticket.getTicketType())) { POSMessageDialog.showError("Driver can be assigned only for Home Delivery"); return; } User assignedDriver = ticket.getAssignedDriver(); if (assignedDriver != null) { int option = JOptionPane.showOptionDialog( Application.getPosWindow(), "Driver already assigned. Do you want to reassign?", "Confirm", JOptionPane.YES_NO_OPTION, JOptionPane.QUESTION_MESSAGE, null, null, null); if (option != JOptionPane.YES_OPTION) { return; } } orderServiceExtension.assignDriver(ticket.getId()); } catch (Exception e) { e.printStackTrace(); POSMessageDialog.showError(e.getMessage()); LogFactory.getLog(SwitchboardView.class).error(e); } }