/** Ensure user input can build a {@link Member}. */
protected void validateUserInput() {
fLogger.fine("Validating user input.");
try {
ModelFromRequest builder = new ModelFromRequest(getRequestParser());
fMember = builder.build(Member.class, MEMBER_ID, NAME, IS_ACTIVE, DISPOSITION);
fLogger.fine("New Member: " + fMember);
}
catch (ModelCtorException ex){
fLogger.fine("User input cannot create a Member.");
addError(ex);