forked from hummel/BankSystemWS23
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persistenc
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main
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@ -1,15 +1,8 @@
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package bank;
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package bank;
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import java.io.FileInputStream;
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import java.io.FileNotFoundException;
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import java.io.FileOutputStream;
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import java.io.IOException;
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import java.io.ObjectInputStream;
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import java.io.ObjectOutputStream;
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import java.io.Serializable;
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import java.util.ArrayList;
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import java.util.ArrayList;
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public class Bank implements Serializable {
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public class Bank {
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private String name;
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private String name;
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private ArrayList<Bankkonto> kontenliste;
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private ArrayList<Bankkonto> kontenliste;
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@ -23,8 +16,6 @@ public class Bank implements Serializable {
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kontenliste.add(bk);
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kontenliste.add(bk);
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// Speichern Methode 2: geänderte Daten speichern
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// Speichern Methode 2: geänderte Daten speichern
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saveBankData(); // bzw. der Einfachheit halber: alle Daten ;-)
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return bk.getKontonummer();
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return bk.getKontonummer();
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}
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}
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@ -52,30 +43,4 @@ public class Bank implements Serializable {
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return null;
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return null;
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}
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}
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// Die folgenden Persistenz-Methoden würde man in der Praxis in eine eigene
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// Klasse auslagern.
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private void saveBankData() {
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ObjectOutputStream oos;
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try {
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oos = new ObjectOutputStream(new FileOutputStream("BankData.ser"));
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oos.writeObject(this);
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oos.close();
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} catch (FileNotFoundException e) {
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e.printStackTrace();
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} catch (IOException e) {
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e.printStackTrace();
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}
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}
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public static Bank loadBankData() {
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try {
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ObjectInputStream ois = new ObjectInputStream(new FileInputStream("BankData.ser"));
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return (Bank) ois.readObject();
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} catch (IOException | ClassNotFoundException e) {
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System.err.println("Keine Daten gespeichert, initialisiere alle Daten neu.");
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}
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return new Bank("Spaßkasse");
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}
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}
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}
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@ -3,12 +3,10 @@ package bank;
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import java.util.Scanner;
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import java.util.Scanner;
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public class BankUI {
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public class BankUI {
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private static Bank bank;
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private static Bank bank = new Bank("Spaßkasse");
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private static Scanner kb = new Scanner(System.in);
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private static Scanner kb = new Scanner(System.in);
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public static void main(String[] args) {
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public static void main(String[] args) {
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bank = Bank.loadBankData();
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willkommen();
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willkommen();
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hauptmenü();
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hauptmenü();
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}
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}
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@ -1,9 +1,8 @@
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package bank;
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package bank;
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import java.io.Serializable;
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import java.util.ArrayList;
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import java.util.ArrayList;
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public class Bankkonto implements Serializable {
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public class Bankkonto {
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// sog. Geheimnisprinzip, Attribute bleiben
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// sog. Geheimnisprinzip, Attribute bleiben
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// privat, Zugriff erfolgt nur über Methoden
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// privat, Zugriff erfolgt nur über Methoden
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private String name;
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private String name;
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