Java tutorial
/* * Copyright 2014 the original author or authors. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package dochef.controller; import javax.validation.Valid; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.social.connect.Connection; import org.springframework.social.connect.web.ProviderSignInUtils; import org.springframework.stereotype.Controller; import org.springframework.util.StringUtils; import org.springframework.validation.BindingResult; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RequestMethod; import org.springframework.web.context.request.WebRequest; import dochef.message.Message; import dochef.message.MessageType; import dochef.model.Role; import dochef.model.User; import dochef.repository.UserRepository; import dochef.social.SignInUtils; @Controller public class SignupController { private final UserRepository userRepository; private final ProviderSignInUtils providerSignInUtils; @Autowired public SignupController(UserRepository userRepository) { this.userRepository = userRepository; this.providerSignInUtils = new ProviderSignInUtils(); } @RequestMapping(value = "/signup", method = RequestMethod.GET) public SignupForm signupForm(WebRequest request) { Connection<?> connection = providerSignInUtils.getConnectionFromSession(request); if (connection != null) { request.setAttribute("message", new Message(MessageType.INFO, "Your " + StringUtils.capitalize(connection.getKey().getProviderId()) + " account is not associated with a Spring Social Showcase account. If you're new, please sign up."), WebRequest.SCOPE_REQUEST); return SignupForm.fromProviderUser(connection.fetchUserProfile()); } else { return new SignupForm(); } } @RequestMapping(value = "/signup", method = RequestMethod.POST) public String signup(@Valid SignupForm form, BindingResult formBinding, WebRequest request) { if (formBinding.hasErrors()) { return null; } User user = createUser(form, formBinding); if (user != null) { SignInUtils.signin(user.getEmail()); //TODO REVISAR SI FUNCIONA CON EMAIL providerSignInUtils.doPostSignUp(user.getEmail(), request); return "redirect:/"; } return null; } // internal helpers private User createUser(SignupForm form, BindingResult formBinding) { try { User user = userRepository.findByEmail(form.getUsername()); if (user != null) throw new UsernameAlreadyInUseException("El " + form.getUsername() + " ya esta registrado"); user = new User(form.getUsername(), form.getFirstName(), form.getLastName(), form.getPassword()); user.setRole(Role.ROLE_FREE); userRepository.save(user); return user; } catch (UsernameAlreadyInUseException e) { formBinding.rejectValue("username", "user.duplicateUsername", "already in use"); return null; } } }