Java tutorial
/* * To change this license header, choose License Headers in Project Properties. * To change this template file, choose Tools | Templates * and open the template in the editor. */ package io.sevenluck.chat.controller; import io.sevenluck.chat.dto.ChatChannelDTO; import io.sevenluck.chat.dto.ExceptionDTO; import io.sevenluck.chat.exception.EntityNotFoundException; import io.sevenluck.chat.service.ChatChannelService; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.http.HttpHeaders; import org.springframework.http.HttpStatus; import org.springframework.http.ResponseEntity; import org.springframework.web.bind.annotation.ExceptionHandler; import org.springframework.web.bind.annotation.PathVariable; import org.springframework.web.bind.annotation.RequestBody; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RequestMethod; import org.springframework.web.bind.annotation.ResponseStatus; import org.springframework.web.bind.annotation.RestController; /** * * @author loki */ @RestController @RequestMapping("/api/chatchannels") public class ChatChannelController { private final Logger logger = LoggerFactory.getLogger(this.getClass()); @Autowired private ChatChannelService service; @RequestMapping(method = RequestMethod.POST) public ChatChannelDTO create(@RequestBody ChatChannelDTO channel) throws Exception { logger.info("create channel " + channel); return service.create(channel); } @RequestMapping(method = RequestMethod.DELETE, value = "{id}") public void delete(@PathVariable Long id) throws Exception { logger.info("delete channel " + id); service.delete(id); } @ExceptionHandler @ResponseStatus(HttpStatus.INTERNAL_SERVER_ERROR) public ResponseEntity<?> handleException(EntityNotFoundException e) { logger.error("validate:", e.getMessage()); return new ResponseEntity<>(ExceptionDTO.newNotFoundInstance(e.getMessage()), new HttpHeaders(), HttpStatus.NOT_FOUND); } }