com.mycompany.addressbookmvc.validation.RestValidationHandler.java Source code

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Here is the source code for com.mycompany.addressbookmvc.validation.RestValidationHandler.java

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package com.mycompany.addressbookmvc.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 ex) {

        BindingResult result = ex.getBindingResult();

        List<FieldError> fieldErrors = result.getFieldErrors();

        ValidationErrorContainer container = new ValidationErrorContainer();

        for (FieldError error : fieldErrors) {

            ValidationError valError = new ValidationError();
            valError.setFieldName(error.getField());
            valError.setMessage(error.getDefaultMessage());

            container.AddError(valError);

        }

        return container;

    }

}