/** Try to build a {@link PredictionList} from user input. */
@Override protected void validateUserInput() {
try {
ModelFromRequest builder = new ModelFromRequest(getRequestParser());
fPredictionList = builder.build(PredictionList.class, ID, TITLE, fUserId);
fLogger.fine(fPredictionList.toString());
}
catch (ModelCtorException ex){
addError(ex);
}