private void spend() { String amountStr = JOptionPane.showInputDialog( this, "Input an amount to spend:", "Spend", JOptionPane.QUESTION_MESSAGE); if (amountStr == null) { return; } String accountNumberStr = JOptionPane.showInputDialog( this, "To what account number? (blank is allowed)", "Spend", JOptionPane.QUESTION_MESSAGE); if (accountNumberStr == null) { return; } try { BigDecimal amount = FORMATTER.stringToValue(amountStr); Account target; if (accountNumberStr.isEmpty()) { target = null; } else { int accountNumber = new IntegerFormatter().stringToValue(accountNumberStr); target = null; for (User user : Bank.getInstance().getUsers()) { for (Account account : user.getAccounts()) { if (account.getAccountNumber() == accountNumber) { target = account; } } } } if (target != null && (target.getType().isLoan() && target.getBalance().negate().compareTo(amount) < 0)) { throw new InvalidInputException( accountNumberStr, "account does not exist or cannot accept this deposit"); } account.withdraw(amount); if (target != null) { target.deposit(amount); } controller.updateBankDisplay(); } catch (ParseException px) { controller.handleException(this, px); } catch (InvalidInputException iix) { controller.handleException(this, iix); } catch (InsufficientFundsException ifx) { controller.handleException(this, ifx); } }
private void transfer() { String amountStr = JOptionPane.showInputDialog( this, "Input an amount to transfer:", "Transfer", JOptionPane.QUESTION_MESSAGE); if (amountStr == null) { return; } try { BigDecimal amount = FORMATTER.stringToValue(amountStr); Set<Account> accounts = new HashSet<Account>(controller.getCurrentUser().getAccounts()); Iterator<Account> iterator = accounts.iterator(); while (iterator.hasNext()) { Account account = iterator.next(); if (account.getType().isLoan() && account.getBalance().negate().compareTo(amount) < 0) { iterator.remove(); } } if (!accounts.isEmpty()) { Account account = (Account) JOptionPane.showInputDialog( this, "Choose an account:", "Transfer", JOptionPane.QUESTION_MESSAGE, null, accounts.toArray(), accounts.iterator().next()); if (account != null) { this.account.withdraw(amount); account.deposit(amount); controller.updateBankDisplay(); } } else { JOptionPane.showMessageDialog( this, "No accounts can accept that balance.", "Transfer failed", JOptionPane.ERROR_MESSAGE); return; } } catch (ParseException px) { controller.handleException(this, px); } catch (InvalidInputException iix) { controller.handleException(this, iix); } catch (InsufficientFundsException ifx) { controller.handleException(this, ifx); } }