HelloController.java

package org.audt4j.demo.spring.web.controller;

import org.audt4j.demo.spring.service.UserService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.servlet.ModelAndView;

@Controller
public class HelloController {

    @Autowired
    private UserService userService;

    @RequestMapping(value = { "/", "/welcome**" }, method = RequestMethod.GET)
    public ModelAndView welcomePage() {

        ModelAndView model = new ModelAndView();
        model.setViewName("hello");
        return model;
    }

    @RequestMapping(value = "/demo**", method = RequestMethod.GET)
    public ModelAndView adminPage() {
        ModelAndView model = new ModelAndView();
        model.addObject("title", "Sample Secured page");
        model.addObject("message", "This is protected page!");
        model.setViewName("demo");
        return model;
    }

    // @Audit
    @RequestMapping(value = "/login", method = RequestMethod.GET)
    public ModelAndView login(@RequestParam(value = "error", required = false) String error,
            @RequestParam(value = "logout", required = false) String logout) {
        userService.login("test", "123");
        ModelAndView model = new ModelAndView();
        if (error != null) {
            model.addObject("error", "Invalid username and password!");
        }

        if (logout != null) {
            model.addObject("msg", "You've been logged out successfully.");
        }
        model.setViewName("login");
        return model;
    }

}