smartticketfacadebean.java

这个范例程序演示了利用j2me技术开发无线服务器支持的应用。这是一个电影票订购程序

        } 

        return;
    } 

    public void login(String userName, 
                      String password) throws SmartTicketFacadeException {
        if (account == null ||!account.getUserName().equals(userName) 
                ||!account.getPassword().equals(password)) {
            try {
                AccountLocal account = 
                    (AccountLocal) accountHome.findByPrimaryKey(userName);

                if (account.getPassword().equals(password)) {
                    this.account = account;

                    try {
                        ticketing = ticketingHome.create(account);
                        synchronizing = synchronizingHome.create(account);

                        return;
                    } catch (CreateException ce) {
                        this.account = null;
                        ticketing = null;
                        synchronizing = null;

                        throw new EJBException("SmartTicketFacadeBean.login: " 
                                               + ce.getMessage());
                    } 
                } 

                throw new SmartTicketFacadeException("Incorrect password.");
            } catch (FinderException fe) {
                throw new SmartTicketFacadeException("No such user.");
            } 
        } 
    } 

    public void createAccount(String userName, String password, 
                              String firstName, String lastName, 
                              String zipCode, String eMail, 
                              String creditCardHolderName, 
                              String CreditCardNumber, 
                              String creditCardExpirationDate, 
                              String creditCardType) throws SmartTicketFacadeException {
        try {
            account = accountHome.create(userName, password);

            account.setFirstName(firstName);
            account.setLastName(lastName);
            account.setZipCode(zipCode);
            account.setEMail(eMail);
            account.setCreditCardNumber(CreditCardNumber);
            account.setCreditCardHolderName(creditCardHolderName);
            account.setCreditCardExpirationDate(creditCardExpirationDate);
            account.setCreditCardType(creditCardType);

            ticketing = ticketingHome.create(account);
            synchronizing = synchronizingHome.create(account);

            return;
        } catch (CreateException ce) {
            ticketing = null;
            synchronizing = null;

            throw new SmartTicketFacadeException("Account creation error.");
        } 
    } 

    public void updateAccount(String userName, String password, 
                              String firstName, String lastName, 
                              String zipCode, String eMail, 
                              String creditCardHolderName, 
                              String CreditCardNumber, 
                              String creditCardExpirationDate, 
                              String creditCardType) throws SmartTicketFacadeException {
        if (account != null && account.getUserName().equals(userName)) {
            account.setPassword(password);
            account.setFirstName(firstName);
            account.setLastName(lastName);
            account.setZipCode(zipCode);
            account.setEMail(eMail);
            account.setCreditCardNumber(CreditCardNumber);
            account.setCreditCardHolderName(creditCardHolderName);
            account.setCreditCardExpirationDate(creditCardExpirationDate);
            account.setCreditCardType(creditCardType);

            return;
        } 

        throw new SmartTicketFacadeException("User not logged in.");
    } 

    public TheaterLocal[] getTheaters(String zipCode) 
            throws SmartTicketFacadeException {
        try {
            return (TheaterLocal[]) new ArrayList(theaterHome.findByZipCode(zipCode)).toArray(new TheaterLocal[0]);
        } catch (FinderException fe) {
            throw new SmartTicketFacadeException("No matching theaters.");
        } 
    } 

    public MovieScheduleLocal[] getMovieSchedules(String theaterId) 
            throws SmartTicketFacadeException {
        try {
            return (MovieScheduleLocal[]) new ArrayList(theaterHome.findByPrimaryKey(theaterId).getSchedule().getMovieSchedules()).toArray(new MovieScheduleLocal[0]);
        } catch (FinderException fe) {
            throw new SmartTicketFacadeException("No matching movie schedules.");
        } 
    } 

    public MovieLocal getMovie(String movieId) 
            throws SmartTicketFacadeException {
        try {
            return movieHome.findByPrimaryKey(movieId);
        } catch (FinderException fe) {
            throw new SmartTicketFacadeException("No matching movie.");
        } 
    } 

    public ShowTimePattern[] getMovieShowTimes(String theaterId, String movieId) 
            throws SmartTicketFacadeException {
        try {
            return movieScheduleHome.findByPrimaryKey(new MovieSchedulePK(theaterId, 
                    movieId)).getShowTimePatterns();
        } catch (FinderException fe) {
            throw new SmartTicketFacadeException("No matching movie schedule.");
        } 
    } 

    public Seating getSeating(String theaterId, String movieId, ShowTime showTime) 
            throws SmartTicketFacadeException {
        try {
            return movieScheduleHome.findByPrimaryKey(new MovieSchedulePK(theaterId, 
                    movieId)).getShow(showTime).getSeating();
        } catch (FinderException fe) {
            throw new SmartTicketFacadeException("No matching movie show.");
        } 
    } 

    public ReservationData reserveSeats(String theaterId, String movieId, 
                                        ShowTime showTime, 
                                        Seat[] seats) throws SmartTicketFacadeException {
        if (ticketing != null) {
            return ticketing.reserveSeats(theaterId, movieId, showTime, 
                                          seats);
        } 

        throw new SmartTicketFacadeException("User not logged in.");
    } 

    public void purchaseTickets(String reservationId) 
            throws SmartTicketFacadeException {
        if (ticketing != null) {
            ticketing.purchaseTickets(reservationId);

            return;
        } 

        throw new SmartTicketFacadeException("User not logged in.");
    } 

    public void cancelSeatReservation(String reservationId) 
            throws SmartTicketFacadeException {
        if (ticketing != null) {
            ticketing.cancelSeatReservation(reservationId);

            return;
        } 

        throw new SmartTicketFacadeException("User not logged in.");
    } 

    public SyncClientAnchor initiateSynchronization(SyncClientAnchor syncClientAnchor, 
            long clientTime) throws SmartTicketFacadeException {
        if (synchronizing != null) {
            return synchronizing.initiateSynchronization(syncClientAnchor, 
                    clientTime);
        } 

        throw new SmartTicketFacadeException("User not logged in.");
    } 

    public MovieRatingData[] synchronizeMovieRatings(MovieRatingData[] movieRatings, 
            int conflictResolutionStrategyId) throws SmartTicketFacadeException {
        if (synchronizing != null) {
            return synchronizing.synchronizeMovieRatings(movieRatings, 
                    conflictResolutionStrategyId);
        } 

        throw new SmartTicketFacadeException("User not logged in.");
    } 

    public MovieRatingData[] commitMovieRatings(MovieRatingData[] movieRatings) 
            throws SmartTicketFacadeException {
        if (synchronizing != null) {
            return synchronizing.commitMovieRatings(movieRatings);
        } 

        throw new SmartTicketFacadeException("User not logged in.");
    } 

    public MovieRatingLocal[] getMovieRatings() 
            throws SmartTicketFacadeException {
        if (account != null) {
            return (MovieRatingLocal[]) new ArrayList(account.getMovieRatings()).toArray(new MovieRatingLocal[0]);
        } 

        throw new SmartTicketFacadeException("User not logged in.");
    } 

    public MovieRatingLocal getMovieRating(String movieId) 
            throws SmartTicketFacadeException {
        if (account != null) {
            return account.getMovieRating(movieId);
        } 

        throw new SmartTicketFacadeException("User not logged in.");
    } 

}