logincontroller.java

java写的blog

/*
 * Created on 2004-10-4
 * Author: Xuefeng, Copyright (C) 2004, Xuefeng.
 */
package org.crystalblog.web;

import javax.servlet.http.*;

import org.crystalblog.logic.Facade;

import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.servlet.mvc.Controller;

/**
 * For user login. Parameter: String username; String password. 
 * If succeed, forward to "manage.jsp".
 * 
 * @author Xuefeng
 */
public class LoginController implements Controller {

    private Facade facade;

    public void setFacade(Facade facade) { this.facade = facade; }

    public ModelAndView handleRequest(HttpServletRequest request, HttpServletResponse response) throws Exception {
        String username = request.getParameter("username");
        String password = request.getParameter("password");
        Identity identity = facade.login(username, password);
        // if login successfully, mark in the session:
        request.getSession().setAttribute(Identity.IDENTITY, identity);
        response.sendRedirect("manageCategory.c");
        return null;
    }
}