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.ChatMemberDTO; import io.sevenluck.chat.dto.ExceptionDTO; import io.sevenluck.chat.exception.MemberAlreadyExistsException; import io.sevenluck.chat.service.ChatMemberService; 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.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/chatmembers") public class ChatMemberController { private final Logger logger = LoggerFactory.getLogger(this.getClass()); @Autowired private ChatMemberService service; @RequestMapping(method = RequestMethod.POST) public ChatMemberDTO create(@RequestBody ChatMemberDTO member) throws Exception { logger.info("create member {}", member); return service.create(member); } @ExceptionHandler @ResponseStatus(HttpStatus.INTERNAL_SERVER_ERROR) public ResponseEntity<?> handleException(MemberAlreadyExistsException e) { logger.error("validate:", e.getMessage()); return new ResponseEntity<>(ExceptionDTO.newConflictInstance(e.getMessage()), new HttpHeaders(), HttpStatus.CONFLICT); } }