AccountController.java

public class AccountController {
	
	private BankReader reader; // input-view
	private BankWriter writer; // output-view
	private BankAccount account; // model
	
	/* AccountController 객체 초기 
	 * @param r - input-view 객체 
	 * @param w - output-view 객체
	 * @param a - model 객체 */
	public AccountController(BankReader r, BankWriter w, BankAccount a) {
		reader = r;
		writer = w;
		account = a;
	}
	
	/* processTransactions - Q 요청을 할 때까지 고객의 요청을 처리 */
	public void processTransactions() {
		char command = reader.readCommand("입금 D금액, 출금 W금액, 종료 Q);");
		if (command == 'Q') {
			writer.showTransaction("서비스를 마칩니다.");
			return;
		}
		else if (command == 'D') {
			int amount = reader.readAmount();
			if (account.deposit(amount))
				writer.showTransaction(amount, "입금");
			else
				writer.showTransaction("입금 실패");
		}
		else if (command == 'W') {
			int amount = reader.readAmount();
			if (account.withdraw(amount))
				writer.showTransaction(amount, "출금");
			else
				writer.showTransaction("출금 실패");
		}
		else
			writer.showTransaction("요청 오류");
		this.processTransactions();
	}
}