Java tutorial
/* * Copyright 2012-2014 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 br.com.contratempo.controller; import java.util.ArrayList; import java.util.List; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Controller; import org.springframework.ui.Model; import org.springframework.web.bind.annotation.ModelAttribute; import org.springframework.web.bind.annotation.PathVariable; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RequestMethod; import org.springframework.web.servlet.ModelAndView; import br.com.contratempo.entity.Modalidade; import br.com.contratempo.entity.Professor; import br.com.contratempo.entity.Turma; import br.com.contratempo.repository.MatriculaRepository; import br.com.contratempo.repository.ModalidadeRepository; import br.com.contratempo.repository.ProfessorRepository; import br.com.contratempo.repository.TurmaRepository; import br.com.contratempo.vo.TurmaVO; @Controller public class TurmaController { @Autowired ModalidadeRepository repository; @Autowired TurmaRepository turmaRepository; @Autowired ProfessorRepository professorRepository; @Autowired MatriculaRepository matriculaRepository; ArrayList<Modalidade> modalidades; @RequestMapping(value = "/modalidade", method = RequestMethod.POST) public ModelAndView cadastraModalidade(@ModelAttribute Modalidade modalidade, Model model) { repository.save(modalidade); return new ModelAndView("redirect:/turma"); } @RequestMapping(value = "/turma", method = RequestMethod.POST) public ModelAndView cadastraTurma(@ModelAttribute TurmaVO turma, Model model) { Turma novaTurma = new Turma(turma); turmaRepository.save(novaTurma); return new ModelAndView("redirect:/turma"); } @RequestMapping(value = "/turma", method = RequestMethod.GET) public ModelAndView consultaModalidade(@ModelAttribute Modalidade modalidade, ModelAndView model) { modalidades = (ArrayList<Modalidade>) repository.findAll(); List<Turma> turmas = (List<Turma>) turmaRepository.findAll(); List<Professor> professores = (List<Professor>) professorRepository.findAll(); model.setViewName("modalidade"); model.addObject("modalidades", modalidades); model.addObject("turmas", turmas); model.addObject("professores", professores); return model; } @RequestMapping(value = "/turma/{id}", method = RequestMethod.GET) public ModelAndView detalhesTurma(@PathVariable("id") Long id) { final Turma turma = (Turma) turmaRepository.findOne(id); final TurmaVO turmaVO = new TurmaVO(turma); ModelAndView model = new ModelAndView(); model.setViewName("turma-detalhe"); model.addObject("turma", turmaVO); return model; } }