package com.doumee.config.handler;
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import com.doumee.core.exception.BusinessException;
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import com.doumee.core.model.ApiResponse;
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import com.doumee.core.constants.ResponseStatus;
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import lombok.extern.slf4j.Slf4j;
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import org.apache.commons.fileupload.FileUploadBase;
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import org.apache.commons.lang3.StringUtils;
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import org.apache.shiro.authz.UnauthorizedException;
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import org.apache.tomcat.util.http.fileupload.impl.FileSizeLimitExceededException;
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import org.apache.tomcat.util.http.fileupload.impl.SizeLimitExceededException;
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import org.springframework.beans.factory.annotation.Value;
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import org.springframework.http.HttpStatus;
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import org.springframework.validation.BindingResult;
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import org.springframework.validation.FieldError;
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import org.springframework.web.bind.MethodArgumentNotValidException;
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import org.springframework.web.bind.annotation.ControllerAdvice;
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import org.springframework.web.bind.annotation.ExceptionHandler;
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import org.springframework.web.bind.annotation.ResponseBody;
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import org.springframework.web.bind.annotation.RestControllerAdvice;
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import org.springframework.web.method.HandlerMethod;
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import org.springframework.web.multipart.MaxUploadSizeExceededException;
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import org.springframework.web.multipart.MultipartException;
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import java.util.ArrayList;
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import java.util.List;
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/**
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* 全局异常处理
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* @author Eva.Caesar Liu
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* @date 2023/02/14 11:14
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*/
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@Slf4j
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@RestControllerAdvice
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//@ControllerAdvice
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public class GlobalExceptionHandler {
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@Value("${spring.servlet.multipart.max-file-size}")
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private String fileMaxSize;
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/**
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* 业务异常处理
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*/
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@ExceptionHandler(BusinessException.class)
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public <T> ApiResponse<T> handleBusinessException (BusinessException e) {
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log.error(e.getMessage(), e);
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return ApiResponse.failed(e.getCode(), e.getMessage());
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}
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/**
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* 无权限异常处理
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*/
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@ExceptionHandler(UnauthorizedException.class)
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public <T> ApiResponse<T> handleUnauthorizedException (UnauthorizedException e) {
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log.error(e.getMessage(), e);
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return ApiResponse.failed("没有操作权限");
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}
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/**
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* 参数验证未通过异常处理
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*/
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@ExceptionHandler(MethodArgumentNotValidException.class)
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public <T> ApiResponse<T> handleMethodArgumentNotValidException (MethodArgumentNotValidException e) {
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log.error(e.getMessage(), e);
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BindingResult bindingResult = e.getBindingResult();
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List<String> errors = new ArrayList<>();
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for(FieldError fieldError : bindingResult.getFieldErrors()){
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errors.add(fieldError.getDefaultMessage());
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}
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return ApiResponse.failed(ResponseStatus.BAD_REQUEST.getCode(), StringUtils.join(errors));
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}
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@ExceptionHandler(MultipartException.class)
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public <T> ApiResponse<T> handleMultipartException(MultipartException ex) {
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log.error(ex.getCause().getCause().getClass().getPackage()+ex.getCause().getCause().getClass().getName());
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return ApiResponse.failed(ResponseStatus.SERVER_ERROR.getCode(), "对不起，系统文件上传请限制在"+fileMaxSize+"以内");
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}
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/**
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* 其它异常处理
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*/
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@ExceptionHandler(Exception.class)
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public <T> ApiResponse<T> handleException (Exception e) {
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log.error(e.getMessage(), e);
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return ApiResponse.failed(ResponseStatus.SERVER_ERROR, e);
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}
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}
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