Java tutorial
/* * CIS - cool inventory system * * Copyright 2016 Roman Tretyakov <roman@trett.ru> * * ******************************************************************** * * CIS is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * Foobar 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 Public License for more details. * * You should have received a copy of the GNU General Public License * along with CIS. If not, see <http://www.gnu.org/licenses/>. */ package ru.trett.cis.controllers; import org.omg.CORBA.portable.ApplicationException; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.dao.DataIntegrityViolationException; import org.springframework.ui.Model; import org.springframework.web.bind.annotation.ControllerAdvice; import org.springframework.web.bind.annotation.ExceptionHandler; import org.springframework.web.bind.annotation.ResponseBody; import ru.trett.cis.exceptions.ClassMappingException; import ru.trett.cis.DTO.ResponseDTO; @ControllerAdvice public class BaseController { private static final Logger LOGGER = LoggerFactory.getLogger(BaseController.class.getName()); private static final String ERROR_TEMPLATE = "error"; @ExceptionHandler(value = Exception.class) public String errorHandler(Model model, Exception e) { LOGGER.error(e.getMessage()); model.addAttribute("message", "Critical error. " + e.getMessage()); return ERROR_TEMPLATE; } @ExceptionHandler(value = { ApplicationException.class, ClassMappingException.class }) @ResponseBody public ResponseDTO applicationExceptionHandler(ApplicationException e) { ResponseDTO responseDTO = new ResponseDTO(); LOGGER.error(e.getMessage()); responseDTO.setMessage(e.getMessage(), "DANGER"); return responseDTO; } @ExceptionHandler(value = DataIntegrityViolationException.class) public String conflictHandler(Model model) { model.addAttribute("level", "warning"); model.addAttribute("message", "This data in use."); return ERROR_TEMPLATE; } }