package jnpf.util;

import javax.validation.ConstraintViolation;
import javax.validation.Validation;
import javax.validation.Validator;
import java.util.Set;

/**
 * 验证类
 *
 * @author lx
 * @version 1.0
 * @since 2021-10-26
 */
public class ValidatorUtils {
    private static Validator validator;

    static {
        validator = Validation.buildDefaultValidatorFactory().getValidator();
    }

    /**
     * 校验对象
     *
     * @param object 待校验对象
     * @param groups 待校验的组
     * @throws ServiceException 校验不通过，则报自定义异常
     */
    public static void validateEntity(Object object, Class<?>... groups)
            throws ServiceException {
        Set<ConstraintViolation<Object>> constraintViolations = validator.validate(object, groups);
        if (!constraintViolations.isEmpty()) {
            ConstraintViolation<Object> constraint = constraintViolations.iterator().next();
            throw new ServiceException(constraint.getMessage(), HttpStatus.BAD_REQUEST);
        }
    }
}