Java tutorial
/** * The MIT License * Copyright (c) 2014 Nick Guletskii * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ package org.ng200.openolympus.controller.auth; import java.text.SimpleDateFormat; import java.time.LocalDate; import javax.servlet.http.HttpServletRequest; import javax.validation.Valid; import org.ng200.openolympus.dto.UserDto; import org.ng200.openolympus.model.User; import org.ng200.openolympus.repositories.UserRepository; import org.ng200.openolympus.validation.UserDtoValidator; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.beans.propertyeditors.CustomDateEditor; import org.springframework.beans.propertyeditors.StringTrimmerEditor; import org.springframework.security.crypto.password.PasswordEncoder; import org.springframework.stereotype.Controller; import org.springframework.validation.BindingResult; import org.springframework.web.bind.ServletRequestDataBinder; import org.springframework.web.bind.annotation.InitBinder; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RequestMethod; @Controller @RequestMapping("/register") public class RegistrationController { private static final Logger logger = LoggerFactory.getLogger(RegistrationController.class); private static CustomDateEditor dateEditor = new CustomDateEditor(new SimpleDateFormat("YYYY-MM-DD"), true); @Autowired private UserDtoValidator userDtoValidator; @Autowired private PasswordEncoder passwordEncoder; @Autowired private UserRepository userRepository; @InitBinder protected void initBinder(final HttpServletRequest request, final ServletRequestDataBinder binder) throws Exception { binder.registerCustomEditor(LocalDate.class, RegistrationController.dateEditor); binder.registerCustomEditor(String.class, new StringTrimmerEditor(true)); } @RequestMapping(method = RequestMethod.POST) public String registerUser(@Valid final UserDto userDto, final BindingResult bindingResult) { this.userDtoValidator.validate(userDto, bindingResult); if (bindingResult.hasErrors()) { RegistrationController.logger.info(bindingResult.getFieldErrors().toString()); return "register"; } if (this.userRepository.findByUsername(userDto.getUsername()) != null) { throw new IllegalStateException("Duplicate user should have been caught by validator!"); } final User user = new User(userDto.getUsername(), this.passwordEncoder.encode(userDto.getPassword()), userDto.getFirstNameMain(), userDto.getMiddleNameMain(), userDto.getLastNameMain(), userDto.getFirstNameLocalised(), userDto.getMiddleNameLocalised(), userDto.getLastNameLocalised(), userDto.getTeacherFirstName(), userDto.getTeacherMiddleName(), userDto.getTeacherLastName(), userDto.getAddressLine1(), userDto.getAddressLine2(), userDto.getAddressCity(), userDto.getAddressState(), userDto.getAddressCountry(), userDto.getLandline(), userDto.getMobile(), userDto.getSchool(), userDto.getDateOfBirth()); this.userRepository.save(user); return "redirect:/login"; } @RequestMapping(method = RequestMethod.GET) public String showRegistrationForm(final UserDto userDto) { return "register"; } }