306cd4abd3ae001c1cf0ed8a423fa3fa

来自「《v512工作室_Java高端培训系列视频》(Java JSP Servlet 」· 代码 · 共 67 行

/*
 * Generated by MyEclipse Struts
 * Template path: templates/java/JavaClass.vtl
 */
package com.v512.guestbook.web;

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

import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.actions.DispatchAction;
import org.apache.struts.validator.DynaValidatorForm;

import com.v512.guestbook.service.AdminManager;

/**
 * MyEclipse Struts Creation date: 12-20-2007
 * 
 * XDoclet definition:
 * 
 * @struts.action path="/login" name="loginForm" input="/admin/login.jsp"
 *                parameter="method" scope="request" validate="true"
 */
public class LoginAction extends DispatchAction {
    private AdminManager mgr;

    public void setAdminManager(AdminManager mgr) {
	this.mgr = mgr;
    }

    /**
     * Method execute
     * 
     * @param mapping
     * @param form
     * @param request
     * @param response
     * @return ActionForward
     */
    public ActionForward login(ActionMapping mapping, ActionForm form, HttpServletRequest request,
	    HttpServletResponse response) {
	DynaValidatorForm f = (DynaValidatorForm) form;
	boolean result = mgr.validate((String) f.get("username"), (String) f.get("password"));
	if (result == true) {
	    HttpSession session = request.getSession();
	    session.setAttribute("guestbook.admin.username", f.get("username"));
	    return mapping.findForward("guestbook.admin");
	} else {
	    return mapping.findForward("guestbook.login");
	}
    }

    public ActionForward logout(ActionMapping mapping, ActionForm form, HttpServletRequest request,
	    HttpServletResponse response) {	
	HttpSession session = request.getSession();
	session.invalidate();
	return mapping.findForward("guestbook.articles");
    }

    public static boolean validate(HttpServletRequest request) {
	HttpSession session = request.getSession();
	return (session.getAttribute("guestbook.admin.username") != null);
    }
}