Java tutorial
/* * To change this license header, choose License Headers in Project Properties. * To change this template file, choose Tools | Templates * and open the template in the editor. */ package com.havoc.hotel.admin.controller; import com.havoc.hotel.admin.dao.CheckinDAO; import java.sql.SQLException; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import javax.servlet.http.HttpSession; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Controller; import org.springframework.ui.ModelMap; import org.springframework.web.bind.annotation.PathVariable; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RequestMethod; import org.springframework.web.servlet.ModelAndView; /** * * @author HYOJU */ @Controller @RequestMapping(value = "/admin/checkin") public class CheckinController { @Autowired private CheckinDAO checkinDAO; @RequestMapping(method = RequestMethod.GET) public String index(ModelMap map) throws SQLException { map.addAttribute("Checkin", checkinDAO.getALL()); return "admin/checkin/index"; } @RequestMapping(value = "/checkout/{checkinId}", method = RequestMethod.GET) public ModelAndView checkout(@PathVariable("checkinId") int checkinId) throws SQLException { ModelAndView mv = new ModelAndView("admin/checkout/index"); mv.addObject("Checkin", checkinDAO.checkout(checkinId)); return mv; } @RequestMapping(method = RequestMethod.GET, value = "/logout") public String Logout(HttpServletRequest req, HttpServletResponse resp) { HttpSession session = req.getSession(false); String checking = (String) session.getAttribute("username"); if (checking == null) { return "redirect:/?logout=false"; } else { session.invalidate(); return "redirect:/admin"; } } }