ValidatorUtil字段验证工具类

字段验证工具类

package com.aa.bb.cc.common.utils;import com.aa.bb.cc.common.exception.BusinessException;
import org.apache.commons.collections.CollectionUtils;
import org.apache.commons.lang3.StringUtils;import javax.validation.ConstraintViolation;
import javax.validation.Validation;
import javax.validation.Validator;
import java.util.Set;public class ValidatorUtil {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 BusinessException 校验不通过，则报RRException异常*/public static String validateEntity(Object object, Class<?>... groups)throws BusinessException {Set<ConstraintViolation<Object>> constraintViolations = validator.validate(object, groups);if (!constraintViolations.isEmpty()) {StringBuilder msg = new StringBuilder();for (ConstraintViolation<Object> constraint : constraintViolations) {msg.append(constraint.getMessage()).append("<br>");}return msg.toString();}return null;}/*** 校验对象* @param entity* @param exceptFields* @param <T>*/public static <T> void validate(T entity, String... exceptFields){Set<ConstraintViolation<T>> set=validator.validate(entity);if(CollectionUtils.isNotEmpty(set)){for (ConstraintViolation<T> item : set) {String field = item.getPropertyPath().toString();if (!isExcept(field, exceptFields)) {String message = item.getMessage();throw new BusinessException(1,message);}}}}/*** 判断属性是否属于例外属性列表* @param field* @param exceptFields* @return*/private static boolean isExcept(String field, String... exceptFields) {if (exceptFields == null)return false;for (String obj : exceptFields) {if (StringUtils.isNotBlank(obj) && field.indexOf(obj) >= 0) {return true;}}return false;}
}