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Library for annotation-based validations.

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package com.crabshue.commons.validations;

import lombok.NonNull;
import lombok.extern.slf4j.Slf4j;

import javax.validation.*;
import java.util.Collection;

/**
 * Object validator.
 */
@Slf4j
public class ObjectValidator {

    /**
     * Validate an {@link Object}.
     *
     * @param object the object to validate.
     * @return the collection of {@link ConstraintViolation}.
     */
    public  Collection> validate(@NonNull final T object) {

        final ValidatorFactory validatorFactory = Validation.buildDefaultValidatorFactory();
        final Validator validator = validatorFactory.getValidator();

        final Collection> ret = validator.validate(object);

        logger.info("Validated [{}]. Constraints violations discovered: [{}]", object, ret);

        return ret;
    }

    public static void setErrorMessage(ConstraintValidatorContext constraintValidatorContext, String message) {

        constraintValidatorContext.disableDefaultConstraintViolation();

        constraintValidatorContext
            .buildConstraintViolationWithTemplate(message)
            .addConstraintViolation();
    }
}