Java tutorial
/* * Copyright 2002-2013 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 com.rambird.miles.web; import java.util.Collection; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.orm.ObjectRetrievalFailureException; import org.springframework.stereotype.Controller; import org.springframework.ui.Model; import org.springframework.validation.BindingResult; import org.springframework.web.bind.WebDataBinder; import org.springframework.web.bind.annotation.InitBinder; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RequestMethod; import org.springframework.web.bind.annotation.SessionAttributes; import com.rambird.miles.model.Owner; import com.rambird.miles.model.User; import com.rambird.miles.service.RambirdService; /** * @author Juergen Hoeller * @author Ken Krebs * @author Arjen Poutsma * @author Michael Isvy */ @Controller @SessionAttributes(types = User.class) public class UserController { private final RambirdService rambirdService; @Autowired public UserController(RambirdService rambirdService) { this.rambirdService = rambirdService; } @InitBinder public void setAllowedFields(WebDataBinder dataBinder) { dataBinder.setDisallowedFields("id"); } @RequestMapping(value = "/users/signin", method = RequestMethod.GET) public String initFindForm(Model model) { model.addAttribute("user", new User()); return "users/signin"; } @RequestMapping(value = "/auth", method = RequestMethod.GET) public String processFindForm(User user, BindingResult result, Model model) { try { // find owners by last name user = this.rambirdService.authUser(user.getUserName(), user.getPassword()); return "welcome"; } catch (ObjectRetrievalFailureException ex) { result.rejectValue("userName", "notFound", "not found"); return "users/signin"; } } }