工具類3 hibernate-validator校驗工具類

package com.tqdk.house.util.moreutils;


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

/**
 * hibernate-validator校驗工具類
 *
 * 參考文檔：http://docs.jboss.org/hibernate/validator/5.4/reference/en-US/html_single/
 *
 * @author Mark [email protected]
 */
public class ValidatorUtils {
    private static Validator validator;

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

    /**
     * 校驗對象
     * @param object        待校驗對象
     * @param groups        待校驗的組
     * @throws RRException  校驗不通過，則報RRException異常
     */
    public static void validateEntity(Object object, Class<?>... groups)
            throws RRException {
        Set<ConstraintViolation<Object>> constraintViolations = validator.validate(object, groups);
        if (!constraintViolations.isEmpty()) {
            ConstraintViolation<Object> constraint = (ConstraintViolation<Object>) constraintViolations.iterator().next();
            throw new RRException(constraint.getMessage());
        }
    }
}