private void processCommand(String command) {
String[] c = command.split(" ");
if (c[0].equals("h")) {
printUsage();
} else if (c[0].equals("q")) {
dc.endSession();
System.exit(0);
} else if (c[0].equals("w")) {
showStock(warehouse);
} else if (c[0].equals("c")) {
showStock(cart);
} else if (c[0].equals("p")) {
try {
List<SoldItem> soldItems = new ArrayList<SoldItem>();
for (StockItem stockItem : cart) {
soldItems.add(new SoldItem(stockItem, stockItem.getQuantity()));
}
dc.submitCurrentPurchase(soldItems);
cart.clear();
} catch (VerificationFailedException e) {
log.error(e.getMessage());
}
} else if (c[0].equals("r")) {
try {
dc.cancelCurrentPurchase();
cart.clear();
} catch (VerificationFailedException e) {
log.error(e.getMessage());
}
} else if (c[0].equals("a") && c.length == 3) {
int idx = Integer.parseInt(c[1]);
int amount = Integer.parseInt(c[2]);
StockItem item = getStockItemById(idx);
item.setQuantity(Math.min(amount, item.getQuantity()));
cart.add(item);
}
}
private void populateWarehouse() {
warehouse = dc.loadWarehouseState();
}