com.tsguild.videogamewebapp.validation.RestValidationHandler.java Source code

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Here is the source code for com.tsguild.videogamewebapp.validation.RestValidationHandler.java

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package com.tsguild.videogamewebapp.validation;

import java.util.List;
import org.springframework.http.HttpStatus;
import org.springframework.validation.BindingResult;
import org.springframework.validation.FieldError;
import org.springframework.web.bind.MethodArgumentNotValidException;
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;

/**
 *
 * @author apprentice
 */
@ControllerAdvice
public class RestValidationHandler {

    @ExceptionHandler(MethodArgumentNotValidException.class)
    @ResponseStatus(HttpStatus.BAD_REQUEST)
    @ResponseBody
    public ValidationErrorContainer processValidationErrors(MethodArgumentNotValidException e) {
        BindingResult result = e.getBindingResult();
        List<FieldError> fieldErrors = result.getFieldErrors();

        ValidationErrorContainer errors = new ValidationErrorContainer();
        fieldErrors.stream().forEach((currentError) -> {
            errors.addValidationError(currentError.getField(), currentError.getDefaultMessage());
        });
        return errors;
    }
}