CustomRestAdvice > SPRING_DATA_JPA

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package web.controller.advice;

import java.util.HashMap;

import java.util.Map;

import org.springframework.http.HttpStatus;

import org.springframework.http.ResponseEntity;

import org.springframework.validation.BindException;

import org.springframework.validation.BindingResult;

import org.springframework.web.bind.annotation.ExceptionHandler;

import org.springframework.web.bind.annotation.ResponseStatus;

import org.springframework.web.bind.annotation.RestControllerAdvice;

import lombok.extern.log4j.Log4j2;

@RestControllerAdvice

@Log4j2

public class CustomRestAdvice {

@ExceptionHandler(BindException.class)

@ResponseStatus(HttpStatus.EXPECTATION_FAILED)

public ResponseEntity<Map<String, String>> handleBindException(BindException e){

log.error(e);

Map<String, String> errorMap = new HashMap<>();

if(e.hasErrors()) {

BindingResult bindingResult = e.getBindingResult();

bindingResult.getFieldErrors().forEach(fieldError -> {

errorMap.put(fieldError.getField(), fieldError.getCode());

});

}

return ResponseEntity.badRequest().body(errorMap);

}

}