start hw3

src/main/java/DTO/Order.java

@@ -0,0 +1,9 @@
+package DTO;
+import lombok.Data;
+
+import java.util.List;
+
+public @Data class Order {
+    private String orderNumber;
+    private List<OrderItem> orderRows;
+}

src/main/java/DTO/OrderItem.java

@@ -0,0 +1,9 @@
+package DTO;
+
+import lombok.Data;
+
+public @Data class OrderItem {
+    private String itemName;
+    private Integer quantity;
+    private Integer price;
+}

src/main/java/api/Orders.java

@@ -25,17 +25,7 @@ public class Orders extends HttpServlet {
     protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
         resp.setContentType("application/json");
         String order = req.getReader().lines().collect(Collectors.joining(" "));
-        int orderId = lastOrderId++;
-        Matcher matcher = orderPattern.matcher(order);
-        boolean matches = matcher.matches();
 
-        if (matches && matcher.groupCount() > 0) {
-            String orderNumber = matcher.group(1);
-            System.out.format("request data: %s, orderNumber: %s\n", order, orderNumber);
-            resp.getWriter().printf("{\"id\": %d, \"orderNumber\": \"%s\"}", orderId, orderNumber);
-        } else {
-            resp.getWriter().print("\"Invalid request\"");
-        }
 
 
     }