com.thesoftwareguild.addressbook.validation.RestValidationHandler.java Source code

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Here is the source code for com.thesoftwareguild.addressbook.validation.RestValidationHandler.java

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package com.thesoftwareguild.addressbook.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 bretthanson
 */
@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();

        for (FieldError currentError : fieldErrors) {
            errors.addValidationError(currentError.getField(), currentError.getDefaultMessage());
        }
        return errors;
    }
}