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- public class Deposit extends Transaction
- {
- private double amount; // amount to deposit
- private Keypad keypad; // references to keypad
- private DepositSlot depositSlot; // references to deposit slot
- private final static int CANCELED = 0; // constant for cancel option
- // Deposit constructor
- public Deposit(int userAccountNumber, Screen atmScreen, BankDatabase atmBankDatabase, Keypad atmKeypad, DepositSlot atmDepositSlot){
- // initializes superclass variables
- super(userAccountNumber, atmScreen, atmBankDatabase);
- // initialize references to keypad and deposit slot
- keypad = atmKeypad;
- depositSlot = atmDepositSlot;
- } // end Deposit constructor
- // perform transaction
- @Override
- public void execute(){
- BankDatabase bankDatabase = getBankDatabase(); // get reference
- Screen screen = getScreen(); // get reference
- amount = promptForDepositAmount(); // get deposit amount from user
- // check whether the user entered a deposit amount or canceled
- if(amount != CANCELED){
- // request deposit envelope containing specified amount
- screen.displayMessage("\nPlease insert a deposit envelope containing ");
- screen.displayDollarAmount(amount);
- screen.displayMessage(".");
- // receive deposit envelope
- boolean envelopeReceived = depositSlot.isEnvelopeReceived();
- // check whether deposit envelope was received
- if(envelopeReceived){
- screen.displayMessageLine("\nYour envelope has been received.");
- screen.displayMessage("NOTE: The money just deposited will not be available until we verify the amount");
- screen.displayMessage("of any enclosed cash and your checks clear.");
- // credit account to reflect the deposit
- bankDatabase.credit(getAccountNumber(), amount);
- } // end if
- else{
- // deposit envelope not received
- screen.displayMessageLine("\nYou did not insert an envelope");
- screen.displayMessageLine("So, the ATM has canceled your transaction.");
- } // end else
- } // end if
- else{
- // user canceled instead of entering amount
- screen.displayMessageLine("\nCanceling transaction...");
- } // end else
- } // end method execute
- // prompt user to enter a deposit amount in cents
- private double promptForDepositAmount(){
- Screen screen = getScreen(); // get references to screen
- // display the prompt
- screen.displayMessage("\nPlease enter a deposit amount in CENTS (or 0 to cancel)");
- int input = keypad.getInput(); // receive input of deposit amount
- // check whether the user canceled or entered a valid amount
- if(input == CANCELED) return CANCELED;
- else{
- return (double) input / 100; // return dollar amount
- } // end else
- } // end method
- } // end class Deposit
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