Spring aop 拦截自定义注解+分组验证参数

import com.hsq.common.enums.ResponseState;
import com.hsq.common.response.ResponseVO;
import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.annotation.Around;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.reflect.MethodSignature;
import org.springframework.context.annotation.EnableAspectJAutoProxy;
import org.springframework.stereotype.Component;

import java.lang.reflect.Method;
import java.util.ArrayList;
import java.util.List;

@Aspect
@Component
@EnableAspectJAutoProxy(exposeProxy=true)
public class ValidAop {


   /**
    * 校验传入实体
    * 
    * @param pjp
    * @throws Throwable
    */
   @Around("@annotation(com.hsq.common.validate.Valid)")
   public Object aroundExec(ProceedingJoinPoint pjp) throws Throwable {
      MethodSignature ms = (MethodSignature) pjp.getSignature();
      Method method = ms.getMethod();
      Valid annotation = method.getAnnotation(Valid.class);
      if (annotation != null) {
         List errorList=new ArrayList();
         Object[] args=pjp.getArgs();
         Class[] checkToken = annotation.value();
         Class[] group = annotation.group();
         for (Class c : checkToken) {
            for (Object obj : args) {
               if (c == obj.getClass()) {
                       List result=null;
                        if(group.length<1){
                            result=ValidationUtil.validate(obj);
                        }else{
                            result=ValidationUtil.validate(obj,group);
                        }
                   if(result!=null)
                   errorList.addAll(result);
               }

            }
         }
         if(errorList.size()>0){
            ResponseVO vo=new ResponseVO();
            vo.setResponseCode(ResponseState.CHECKERROR.getCode());
            vo.setResponseMsg(ResponseState.CHECKERROR.getMsg());
            vo.setData(errorList);
            return vo;
         }
      }

      return pjp.proceed();

   }

}

import org.springframework.web.context.request.RequestContextHolder;
import org.springframework.web.context.request.ServletRequestAttributes;

import javax.servlet.http.HttpServletRequest;
import javax.validation.ConstraintViolation;
import javax.validation.Validation;
import javax.validation.Validator;
import javax.validation.ValidatorFactory;
import java.util.ArrayList;
import java.util.List;
import java.util.Set;


public class ValidationUtil {

   private static ValidationUtil util;

   private Validator validator;

   public ValidationUtil() {
      // TODO Auto-generated constructor stub
      ValidatorFactory factory = Validation.buildDefaultValidatorFactory();
      this.validator = factory.getValidator();
   }

   /**
    * @return the validator
    */
   public Validator getValidator() {
      return validator;
   }

   public static ValidationUtil getValidationUtil() {
      if (util == null) {
         util = new ValidationUtil();
      }
      return util;

   }

   public static List validate(Object o) {
      Set> set = ValidationUtil
            .getValidationUtil().getValidator().validate(o);
      List errorList = null;
      HttpServletRequest request = ((ServletRequestAttributes) RequestContextHolder
            .getRequestAttributes()).getRequest();

      for (ConstraintViolation