public CustomerRepresentation updateCustomerAddress(String customerId, String addr) {
   Customer c = CustomerDAO.retrieveCustomer(Long.parseLong(customerId));
   c.setAddress(addr);
   CustomerDAO.addCustomer(c);
   return this.getCustomer(customerId);
 }
 public CustomerRepresentation updateCustomerPassword(String customerId, String pass) {
   Customer c = CustomerDAO.retrieveCustomer(Long.parseLong(customerId));
   c.setPassword(pass);
   CustomerDAO.addCustomer(c);
   return this.getCustomer(customerId);
 }