private static String getMmsi(SecuredUser user) {
   String mmsi = null;
   if (user.getRole().getClass() == SailorRole.class) {
     mmsi = ((SailorRole) user.getRole()).getVessel().getMmsi().toString();
   }
   return mmsi;
 }
 private static String getName(SecuredUser user) {
   String name = user.getUserName();
   if (user.getRole().getClass() == SailorRole.class) {
     Vessel vessel = ((SailorRole) user.getRole()).getVessel();
     if (vessel.getAisData() != null && vessel.getAisData().getName() != null) {
       name = vessel.getAisData().getName();
     }
   }
   return name;
 }