Use the code cloud publicholiday project to determine whether a day is a working day

Use code cloud PublicHoliday project Get information about national holidays , And then reuse it hutool Tools and methods to determine whether it is weekend , So as to judge whether a day is a working day

Code

package com.xxx.datasql.util;

import cn.hutool.core.date.DatePattern;
import cn.hutool.core.date.DateTime;
import cn.hutool.core.date.DateUtil;
import cn.hutool.core.util.StrUtil;
import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONObject;
import org.springframework.http.ResponseEntity;
import org.springframework.web.client.RestTemplate;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

/** * @Author: yren * @Date: 2022/6/21 */
public class HolidayUtils {
    

    //  test 
    public static void main(String[] args) {
    
        System.out.println(" Judge a non working day : " + isWorkDay("2022-06-03"));
        System.out.println(" Judge a non working day : " + isWorkDay("2022-06-05"));
        System.out.println(" Judge a working day : " + isWorkDay("2022-06-06"));
        System.out.println(" Judge a working day : " + isWorkDay("2022-05-07"));
        System.out.println(" The holiday season : " + HolidayInfoOfYear);

    }

    private static Map<String, String> HolidayInfoOfYear = new HashMap<>();
    private static List<Integer> Years = new ArrayList<>();

    /** *  Get national holiday information  */
    private synchronized static Map<String, String> getHolidayInfoOfYear(Integer year) {
    
        if (Years.contains(year)) {
    
            return HolidayInfoOfYear;
        }
        try {
    
            RestTemplate restTemplate = new RestTemplate();
            String url = "https://gitee.com/holate/public-holiday/raw/master/holidays/year/" + year + ".json";
            ResponseEntity<String> responseEntity = restTemplate.getForEntity(url, String.class);
            String body = responseEntity.getBody();
            JSONObject jsonObject = JSON.parseObject(body);
            jsonObject.getJSONObject("holiday").forEach((k, v) -> HolidayInfoOfYear.put(year + k.replace("-", ""), MapUtil.getStr((Map) v, "wage")));
        } catch (Exception ex) {
    
            ex.printStackTrace();
        }
        Years.add(year);
        return HolidayInfoOfYear;
    }

    public static boolean isWorkDay(String dateTime) {
    
        return isWorkDay(DateUtil.parse(dateTime));
    }

    public static boolean isWorkDay(DateTime dateTime) {
    
        Map<String, String> holidayInfoOfYear = getHolidayInfoOfYear(dateTime.year());
        String val = holidayInfoOfYear.get(dateTime.toString(DatePattern.PURE_DATE_PATTERN));
        if (StrUtil.isBlank(val)) {
    
            return !DateUtil.isWeekend(dateTime);
        }
        /** *  according to  http://timor.tech/api/holiday/ * 1, 2, 3 =>  Over the weekend 、 festival 、 Compensatory leave  * 1  It means weekend , But because of the holidays , I still need to go to work  * 2  It means holidays , rest  * 3  It's not a weekend , But it's a holiday , rest  */
        return val.equals("1");
    }

}

Running results