com.tsguild.dolphinblog.controller.RestValidationHandler.java Source code

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Here is the source code for com.tsguild.dolphinblog.controller.RestValidationHandler.java

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package com.tsguild.dolphinblog.controller;

import com.tsguild.dolphinblog.validation.ValidationErrorContainer;
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 ahill
 */
@ControllerAdvice
public class RestValidationHandler {

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

        ValidationErrorContainer errors = new ValidationErrorContainer();
        for (FieldError fError : fieldErrors) {
            errors.addValidationError(fError.getField(), fError.getDefaultMessage());
        }

        return errors;
    }

}