content: /*
   * Copyright 1999-2025 Alibaba Group Holding Ltd.
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *      http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  package com.alibaba.nacos.core.exception;
  
  import com.alibaba.nacos.api.annotation.NacosApi;
  import com.alibaba.nacos.api.exception.NacosException;
  import com.alibaba.nacos.api.exception.api.NacosApiException;
  import com.alibaba.nacos.api.exception.runtime.NacosRuntimeException;
  import com.alibaba.nacos.api.model.v2.ErrorCode;
  import com.alibaba.nacos.api.model.v2.Result;
  import com.alibaba.nacos.common.utils.ExceptionUtil;
  import com.alibaba.nacos.plugin.auth.exception.AccessException;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  import org.springframework.core.annotation.Order;
  import org.springframework.dao.DataAccessException;
  import org.springframework.http.HttpStatus;
  import org.springframework.http.ResponseEntity;
  import org.springframework.http.converter.HttpMessageConversionException;
  import org.springframework.http.converter.HttpMessageNotReadableException;
  import org.springframework.web.HttpMediaTypeException;
  import org.springframework.web.bind.MissingServletRequestParameterException;
  import org.springframework.web.bind.annotation.ControllerAdvice;
  import org.springframework.web.bind.annotation.ExceptionHandler;
  import org.springframework.web.bind.annotation.ResponseBody;
  import org.springframework.web.bind.annotation.ResponseStatus;
  
  import jakarta.servlet.ServletException;
  import java.io.IOException;
  
  /**
   * Exception Handler for Nacos API.
   * @author dongyafei
   * @date 2022/7/22
   */
  
  @Order(-1)
  @ControllerAdvice(annotations = {NacosApi.class})
  @ResponseBody
  public class NacosApiExceptionHandler {
      
      private static final Logger LOGGER = LoggerFactory.getLogger(NacosApiExceptionHandler.class);
      
      @ExceptionHandler(NacosApiException.class)
      public ResponseEntity<Result<String>> handleNacosApiException(NacosApiException e) {
          LOGGER.error("got exception. {} {}", e.getErrAbstract(), e.getErrMsg());
          return ResponseEntity.status(e.getErrCode()).body(new Result<>(e.getDetailErrCode(), e.getErrAbstract(), e.getErrMsg()));
      }
      
      @ExceptionHandler(NacosException.class)
      public ResponseEntity<Result<String>> handleNacosException(NacosException e) {
          LOGGER.error("got exception. {}", e.getErrMsg());
          return ResponseEntity.status(e.getErrCode()).body(Result.failure(ErrorCode.SERVER_ERROR, e.getErrMsg()));
      }
  
      @ExceptionHandler(NacosRuntimeException.class)
      public ResponseEntity<Result<String>> handleNacosRuntimeException(NacosRuntimeException e) {
          LOGGER.error("got exception. {} {}", e.getMessage(), ExceptionUtil.getAllExceptionMsg(e));
          return ResponseEntity.status(e.getErrCode()).body(Result.failure(ErrorCode.SERVER_ERROR, e.getMessage()));
      }
      
      @ResponseStatus(HttpStatus.BAD_REQUEST)
      @ExceptionHandler(HttpMessageNotReadableException.class)
      public Result<String> handleHttpMessageNotReadableException(HttpMessageNotReadableException e) {
          LOGGER.error("got exception. {} {}", e.getMessage(), ExceptionUtil.getAllExceptionMsg(e));
          return Result.failure(ErrorCode.PARAMETER_MISSING, e.getMessage());
      }
      
      @ResponseStatus(HttpStatus.BAD_REQUEST)
      @ExceptionHandler(HttpMessageConversionException.class)
      public Result<String> handleHttpMessageConversionException(HttpMessageConversionException e) {
          LOGGER.error("got exception. {} {}", e.getMessage(), ExceptionUtil.getAllExceptionMsg(e));
          return Result.failure(ErrorCode.PARAMETER_VALIDATE_ERROR, e.getMessage());
      }
      
      @ResponseStatus(HttpStatus.BAD_REQUEST)
      @ExceptionHandler(NumberFormatException.class)
      public Result<String> handleNumberFormatException(NumberFormatException e) {
          LOGGER.error("got exception. {} {}", e.getMessage(), ExceptionUtil.getAllExceptionMsg(e));
          return Result.failure(ErrorCode.PARAMETER_VALIDATE_ERROR, e.getMessage());
      }
      
      @ResponseStatus(HttpStatus.BAD_REQUEST)
      @ExceptionHandler(IllegalArgumentException.class)
      public Result<String> handleIllegalArgumentException(IllegalArgumentException e) {
          LOGGER.error("got exception. {} {}", e.getMessage(), ExceptionUtil.getAllExceptionMsg(e));
          return Result.failure(ErrorCode.PARAMETER_VALIDATE_ERROR, e.getMessage());
      }
      
      @ResponseStatus(HttpStatus.BAD_REQUEST)
      @ExceptionHandler(MissingServletRequestParameterException.class)
      public Result<String> handleMissingServletRequestParameterException(MissingServletRequestParameterException e) {
          LOGGER.error("got exception. {} {}", e.getMessage(), ExceptionUtil.getAllExceptionMsg(e));
          return Result.failure(ErrorCode.PARAMETER_MISSING, e.getMessage());
      }
      
      @ResponseStatus(HttpStatus.BAD_REQUEST)
      @ExceptionHandler(HttpMediaTypeException.class)
      public Result<String> handleHttpMediaTypeException(HttpMediaTypeException e) {
          LOGGER.error("got exception. {} {}", e.getMessage(), ExceptionUtil.getAllExceptionMsg(e));
          return Result.failure(ErrorCode.MEDIA_TYPE_ERROR, e.getMessage());
      }
      
      @ResponseStatus(HttpStatus.FORBIDDEN)
      @ExceptionHandler(AccessException.class)
      public Result<String> handleAccessException(AccessException e) {
          LOGGER.error("got exception. {} {}", e.getMessage(), ExceptionUtil.getAllExceptionMsg(e));
          return Result.failure(ErrorCode.ACCESS_DENIED, e.getErrMsg());
      }
      
      @ResponseStatus(HttpStatus.INTERNAL_SERVER_ERROR)
      @ExceptionHandler(value = {DataAccessException.class, ServletException.class, IOException.class})
      public Result<String> handleDataAccessException(Exception e) {
          LOGGER.error("got exception. {} {}", e.getMessage(), ExceptionUtil.getAllExceptionMsg(e));
          return Result.failure(ErrorCode.DATA_ACCESS_ERROR, e.getMessage());
      }
      
      @ResponseStatus(HttpStatus.INTERNAL_SERVER_ERROR)
      @ExceptionHandler(Exception.class)
      public Result<String> handleOtherException(Exception e) {
          LOGGER.error("got exception. {} {}", e.getMessage(), ExceptionUtil.getAllExceptionMsg(e));
          return Result.failure(e.getMessage());
      }
  }
  