package com.xzx.gc.common.annotations.valid;

import cn.hutool.core.date.DateUtil;

import javax.validation.ConstraintValidator;
import javax.validation.ConstraintValidatorContext;

/**
 * @author: zhongzan
 * @create: 2019-07-18 14:10
 * @description:
 */
public class DateFormatConstraintValidator implements ConstraintValidator<DateFormatConstraint, Object> {

   private String datePattern;

   @Override
   public void initialize(DateFormatConstraint constraintAnnotation) {
      this.datePattern=constraintAnnotation.datePattern();
   }

   @Override
   public boolean isValid(Object obj, ConstraintValidatorContext context) {
      try {
            DateUtil.parse(obj.toString(),datePattern);
      } catch (Exception e) {
         return  false;
      }
      return true;
   }
}