@Override public synchronized void addOrder(OrderPO orderPO) { Logger.info("add order..."); try { List<OrderPO> orderPOs = getOrders(); orderPOs.add(orderPO); File file = SerializableFileHelper.getOrderFile(); try (ObjectOutputStream os = new ObjectOutputStream(new FileOutputStream(file))) { os.writeObject(orderPOs); } Logger.info("success"); } catch (IOException e) { Logger.error("fail"); Logger.error(e); } }
@Override public List<OrderPO> getOrders() { File file = new File(SerializableFileHelper.DIRECTORY_PATH, SerializableFileHelper.ORDER_FILE_NAME); if (!file.exists()) { return new ArrayList<>(); } try (ObjectInputStream is = new ObjectInputStream(new FileInputStream(file))) { //noinspection unchecked return (List<OrderPO>) is.readObject(); } catch (Exception e) { Logger.error(e); return new ArrayList<>(); } }