priceaction.java

网络商店

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);
    }
}