signonaction.java

这是一个网上购物店的源码

package org.digitstore.web.struts.action;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.digitstore.domain.Account;
import org.digitstore.web.struts.form.AccountActionForm;
import org.digitstore.service.*;

import org.springframework.beans.support.PagedListHolder;

public class SignonAction extends BaseAction {

    public ActionForward execute(ActionMapping mapping, ActionForm form,
            HttpServletRequest request, HttpServletResponse response)
            throws Exception {
        request.getSession().removeAttribute("workingAccountForm");
        request.getSession().removeAttribute("accountForm");
        if (request.getParameter("signoff") != null) {
            request.getSession().invalidate();
            return mapping.findForward("success");
        } else {
            AccountManager accManager = ManagerFactory.createAccountManager();
            ProductManager proManager = ManagerFactory.createProductManager();
            AccountActionForm acctForm = (AccountActionForm) form;
            String username = acctForm.getUsername();
            String password = acctForm.getPassword();
            Account account = accManager.getAccount(username);

            if (account == null || !account.getPassword().equals(password)) {
                request.setAttribute("message",
                        "Invalid username or password.  Signon failed.");
                return mapping.findForward("failure");
            } else {
                String forwardAction = acctForm.getForwardAction();
                acctForm = new AccountActionForm();
                acctForm.setForwardAction(forwardAction);
                acctForm.setAccount(account);
                //acctForm.getAccount().setPassword(null);
                PagedListHolder myList = new PagedListHolder(proManager
                        .getProductListByCategory(account
                                .getFavouriteCategoryId()));
                myList.setPageSize(4);
                acctForm.setMyList(myList);
                request.getSession().setAttribute("accountForm", acctForm);
                if (acctForm.getForwardAction() == null
                        || acctForm.getForwardAction().length() < 1) {
                    return mapping.findForward("success");
                } else {
                    response.sendRedirect(acctForm.getForwardAction());
                    return null;
                }
            }
        }
    }

}