Jefferson Sie - Project Portfolio

...
    @Override
    public CommandResult execute(String commandText) throws CommandException, ParseException { (1)
        logger.info("----------------[USER COMMAND][" + commandText + "]");
        try {
            Command command = healthBaseParser.parseCommand(commandText); (2)
            return command.execute(model, history);
        } finally {
            history.add(commandText);
        }
    }
...

...
    public Command parseCommand(String userInput) throws ParseException { (2)
        final Matcher matcher = BASIC_COMMAND_FORMAT.matcher(userInput.trim());
        if (!matcher.matches()) {
            throw new ParseException(String.format(MESSAGE_INVALID_COMMAND_FORMAT, HelpCommand.MESSAGE_USAGE));
        }

        final String commandWord = matcher.group("commandWord");
        final String arguments = matcher.group("arguments");

        switch (commandWord) {

        case RegisterCommand.COMMAND_WORD:
            return new RegisterCommandParser().parse(arguments);
        ...
        case AddApptCommand.COMMAND_WORD:
            return new AddApptCommandParser().parse(arguments); (3)
        ...
    }
...

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    @Override
    public AddApptCommand parse(String args) throws ParseException { (3)
        ArgumentMultimap argMultimap = ArgumentTokenizer.tokenize(args, PREFIX_NRIC, PREFIX_TYPE, PREFIX_PROCEDURE,
                PREFIX_DATE_TIME, PREFIX_DOCTOR);

        if (!arePrefixesPresent(argMultimap, PREFIX_NRIC, PREFIX_TYPE, PREFIX_PROCEDURE,
                PREFIX_DATE_TIME, PREFIX_DOCTOR) || !argMultimap.getPreamble().isEmpty()) {
            throw new ParseException(String.format(MESSAGE_INVALID_COMMAND_FORMAT, AddApptCommand.MESSAGE_USAGE));
        }
        ...
        nric = new Nric(patientNric);
        appt = new Appointment(type, procedure, dateTime, doctor);

        return new AddApptCommand(nric, appt); (4)
    }
...