package controller;import javax.servlet.http.*;import org.apache.struts.action.*;import model.*;import java.util.*;import java.util.ArrayList;public class PriceAction extends Action {    private final static String SUCCESS = "success";    private static Order order;    private static Order order1;    private static List<OrderItem> what_ordered = new ArrayList<OrderItem>();    public ActionForward execute(ActionMapping mapping, ActionForm form,            HttpServletRequest request, HttpServletResponse response)            throws Exception {        // if (form instanceof ProductHandler) {        ProductHandler f = (ProductHandler) form;        //    CheckHandler f1 = (CheckHandler) form;        if (f.getButton3() != null) {            ActionMessages errors = new ActionErrors();            if (f.getTf().startsWith("-")) {                errors.add("Quantity", new ActionMessage("errors.negative", "Quantity"));                this.saveErrors(request, errors);                return mapping.findForward("reentrant");            } else {                int id = Integer.parseInt(f.getRbg());                int qt = Integer.parseInt(f.getTf());                what_ordered.add(new OrderItem(id, qt, ProductsBean.findPrice(id)));                order1 = new Order(null, what_ordered);                f.setOrder1(order1);                f.setTf(null);                f.setRbg(null);                f.setButton3(null);                this.saveErrors(request, errors);                return mapping.findForward("reentrant");            }        } else if (f.getButton1() != null) {            ActionMessages errors = new ActionErrors();            String user = f.getTf1();            if (!user.equals("")) {                order = new Order(user.toUpperCase(), what_ordered);                OrdersBean.create(order);                f.setOrder(order);                what_ordered = new ArrayList<OrderItem>();                f.setOrder1(null);                f.setTf1("");                f.setButton1(null);                return mapping.findForward("external");            }            errors.add("username", new ActionMessage("errors.required", "username"));            this.saveErrors(request, errors);            return mapping.findForward("reentrant");        }        return mapping.findForward(SUCCESS);    }}