Java tutorial
package org.smigo.species.varieties; /* * #%L * Smigo * %% * Copyright (C) 2015 Christian Nilsson * %% * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU Lesser 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 Lesser Public License for more details. * * You should have received a copy of the GNU General Lesser Public * License along with this program. If not, see * <http://www.gnu.org/licenses/lgpl-3.0.html>. * #L% */ import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.smigo.user.AuthenticatedUser; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.http.HttpStatus; import org.springframework.security.access.prepost.PreAuthorize; import org.springframework.security.core.annotation.AuthenticationPrincipal; import org.springframework.validation.BindingResult; import org.springframework.web.bind.annotation.*; import javax.servlet.http.HttpServletResponse; import javax.validation.Valid; import java.io.Serializable; import java.util.Collection; @RestController public class VarietyController implements Serializable { private static final Logger log = LoggerFactory.getLogger(VarietyController.class); @Autowired private VarietyDao varietyDao; @RequestMapping(value = "/rest/variety", method = RequestMethod.GET) public Collection<Variety> getAllVarieties() { return varietyDao.getVarieties(); } @RequestMapping(value = "/rest/variety/{id:\\d+}", method = RequestMethod.GET) public Variety getVarietiesById(@PathVariable int id) { return varietyDao.getVarietiesById(id); } @RequestMapping(value = "/rest/variety", method = RequestMethod.GET, params = { "userId" }) public Collection<Variety> getVarietiesByUser(@RequestParam int userId) { return varietyDao.getVarietiesByUser(userId); } @PreAuthorize("isAuthenticated()") @RequestMapping(value = "/rest/variety", method = RequestMethod.POST) public Object addVariety(@Valid @RequestBody Variety variety, BindingResult result, HttpServletResponse response, @AuthenticationPrincipal AuthenticatedUser user) { if (result.hasErrors()) { response.setStatus(HttpStatus.UNPROCESSABLE_ENTITY.value()); return result.getAllErrors(); } variety.setUserId(user.getId()); final int id = varietyDao.addVariety(variety); response.setStatus(HttpServletResponse.SC_CREATED); return id; } }