Java tutorial
package fr.esiea.windmeal.controller.provider; import com.fasterxml.jackson.databind.ObjectMapper; import fr.esiea.windmeal.dao.exception.DaoException; import fr.esiea.windmeal.model.FoodProvider; import fr.esiea.windmeal.service.crud.ICrudProviderService; import fr.esiea.windmeal.service.exception.ServiceException; import org.apache.log4j.Logger; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.security.access.annotation.Secured; import org.springframework.stereotype.Controller; 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.bind.annotation.ResponseBody; import javax.servlet.http.HttpServletResponse; import java.io.IOException; /** * Copyright (c) 2013 ESIEA M. Labusquiere D. Ds * <p/> * 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: * <p/> * The above copyright notice and this permission notice shall be * included in all copies or substantial portions of the Software. * <p/> * 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. */ @Controller @RequestMapping("/providers") public class ProviderCtrl { private final static Logger LOGGER = Logger.getLogger(ProviderCtrl.class); @Autowired ICrudProviderService providerService; @Autowired private ObjectMapper objectMapper; @Secured("ROLE_USER") @RequestMapping(value = "user/{ownerId}", method = RequestMethod.GET, produces = "application/json") @ResponseBody public void getAll(@PathVariable String ownerId, HttpServletResponse servletResponse) throws ServiceException, DaoException, IOException { LOGGER.info("[Controller] Querying FoodProvider list from the user " + ownerId); this.objectMapper = new ObjectMapper(); objectMapper.writerWithView(FoodProvider.Views.LightView.class) .writeValue(servletResponse.getOutputStream(), providerService.getAllProviderFromUser(ownerId)); } }