Class Deposit

public class Deposit extends Transaction
{
    private double amount;
    private Keypad keypad;
    private DepositSlot depositSlot;
    private final static int CANCELED = 0;

    public Deposit( int userAccountNumber, Screen atmScreen, BankDatabase atmBankDatabase, Keypad atmKeypad, DepositSlot atmDepositSlot )
    {
        super ( userAccountNumber, atmScreen, atmBankDatabase );
        keypad = atmKeypad;
        depositSlot = atmDepositSlot;
    }

    @Override
    public void execute()
    {
        BankDatabase bankDatabase = getBankDatabase();
        Screen screen = getScreen();
        amount = promptForDepositAmount();

        if ( amount != CANCELED )
        {
            screen.displayMessage("\nSilahkan masukan isi dari envelope deposito anda  " );
            screen.displayDollarAmount( amount );
            screen.displayMessageLine( "." );

            boolean envelopeReceived = depositSlot.isEnvelopeReceived();

            if ( envelopeReceived )
            {
                screen.displayMessageLine( "\nEnvelope anda telah " + "diterima.\nNOTE:Uang yang didepositokan tidak akan " + "dapat digunakan sampai kita memverifikasi jumlah dari " + "uang tertutup dan check jelas anda." );
                bankDatabase.credit( getAccountNumber(), amount );
            }
            else
            {
                screen.displayMessageLine( "\nAnda tidak memasukkan " + "envelope, sehingga ATM membatakan transaksi anda." );
            }
        }
    }

    private double promptForDepositAmount()
    {
        Screen screen = getScreen();
        screen.displayMessage( "\nSilahkan masukan jumlah deposit anda dalam " + "CENTS (atau 0 untuk membatalkan): " );
        int input = keypad.getInput();

        if ( input == CANCELED )
        return CANCELED;
        else
        {
            return ( double ) input / 100;
        }
    }
}