Java tutorial
/* * Copyright (C) 2016 alehuo * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ package com.alehuo.wepas2016projekti.controller; import com.alehuo.wepas2016projekti.domain.Image; import com.alehuo.wepas2016projekti.domain.Role; import com.alehuo.wepas2016projekti.domain.UserAccount; import com.alehuo.wepas2016projekti.repository.ImageRepository; import com.alehuo.wepas2016projekti.service.InitService; import com.alehuo.wepas2016projekti.service.UserService; import java.util.List; import java.util.Locale; import java.util.logging.Level; import java.util.logging.Logger; import javax.annotation.PostConstruct; import javax.validation.Valid; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.security.core.Authentication; import org.springframework.stereotype.Controller; import org.springframework.ui.Model; import org.springframework.validation.BindingResult; import org.springframework.web.bind.annotation.ModelAttribute; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RequestMethod; /** * Oletuskontrolleri * * @author alehuo */ @Controller public class DefaultController { /** * Logger */ private static final Logger LOG = Logger.getLogger(DefaultController.class.getName()); /** * Kyttjtietojen palvelu */ @Autowired private UserService userService; /** * Kuvarepositorio */ @Autowired private ImageRepository imageRepo; /** * Kynnistyspalvelu */ @Autowired private InitService initService; /** * Alustus */ @PostConstruct public void init() { initService.resetApplicationState(); } /** * Sovelluksen etusivu * * @param a Autentikointi * @param m Malli * @param l * @return */ @RequestMapping("/") public String index(Authentication a, Model m, Locale l) { List<Image> images = imageRepo.findTop10ByVisibleTrueOrderByIdDesc(); UserAccount u = userService.getUserByUsername(a.getName()); m.addAttribute("user", u); m.addAttribute("images", images); return "index"; } /** * Kirjautumissivu * * @return */ @RequestMapping(value = "/login", method = RequestMethod.GET) public String login() { return "login"; } /** * Uloskirjautumissivu (Jos JavaScript on pois plt) * * @param a Autentikointi * @param m Malli * @param l * @return */ @RequestMapping(value = "/logout/confirm", method = RequestMethod.GET) public String logout(Authentication a, Model m, Locale l) { UserAccount u = userService.getUserByUsername(a.getName()); m.addAttribute("user", u); return "logoutconfirm"; } /** * Rekisteritymissivu * * @param m Malli * @return */ @RequestMapping(value = "/register", method = RequestMethod.GET) public String register(Model m) { m.addAttribute("userAccount", new UserAccount()); return "register"; } /** * Rekisterinnin hallinta * @param userAccount Kyttjtili * @param bindingResult Validointi * @return */ @RequestMapping(value = "/register", method = RequestMethod.POST) public String register(@Valid @ModelAttribute("userAccount") UserAccount userAccount, BindingResult bindingResult) { String username = userAccount.getUsername(); String email = userAccount.getEmail(); String password = userAccount.getPassword(); //Jos virheit esiintyy if (bindingResult.hasErrors()) { LOG.log(Level.WARNING, "Kayttaja ''{0}'' yritti rekisteroitya sivustolle, mutta syotteita ei validoitu onnistuneesti.", username); return "register"; } //Jos kyttjtili ei lydy tietokannasta, rekisteri se uutena if (userService.getUserByUsernameIgnoreCase(username) == null) { userService.createNewUser(username, password, email, Role.USER); LOG.log(Level.INFO, "Kayttaja ''{0}'' rekisteroityi onnistuneesti sivustolle.", username); } else { LOG.log(Level.WARNING, "Kayttaja ''{0}'' yritti rekisteroitya sivustolle, mutta kayttajatunnus oli jo kaytossa.", username); bindingResult.rejectValue("username", "error.username", "Kyttjtunnus on jo kytss."); return "register"; } return "redirect:/login"; } }