com.google.guava guava 23.6-jre org.apache.commons commons-lang3 3.9 org.scala-lang scala-library 2.12.7 com.ibm.icu icu4j 63.1 package kr.co.swh.lecture.opensource.icu; import java.text.ParseException; import java.text.SimpleDateFormat; import java.util.ArrayList; import java.util.Arrays; import java.util.Calendar; import java.util.Date; import java.util.HashMap; import java.util.Iterator; import java.util.List; import java.util.Map; import java.util.SortedSet; import java.util.TreeMap; import java.util.TreeSet; import com.google.common.collect.Lists; import com.ibm.icu.util.ChineseCalendar; import scala.Tuple2; public class HolidayUtils { public Map solarHolidayMap = new HashMap(); public Map lunarHolidayMap = new HashMap(); public String getDateByString(Date date) { return getDateByString(date, "-"); } public String getDateByString(Date date, String separator) { SimpleDateFormat sdf = new SimpleDateFormat("yyyy"+separator+"MM"+separator+"dd"); return sdf.format(date); } /** * 양력날짜를 음력날짜로 변환 * @param 양력날짜 (yyyyMMdd) * @return 음력날짜 (yyyyMMdd) */ // private String converSolarToLunar(String date) { // return converSolarToLunar(date, "-"); // } private String converSolarToLunar(String date, String separator) { ChineseCalendar cc = new ChineseCalendar(); Calendar cal = Calendar.getInstance(); cal.set(Calendar.YEAR, Integer.parseInt(date.substring(0, 4))); cal.set(Calendar.MONTH, Integer.parseInt(date.substring(4, 6)) - 1); cal.set(Calendar.DAY_OF_MONTH, Integer.parseInt(date.substring(6))); cc.setTimeInMillis(cal.getTimeInMillis()); int y = cc.get(ChineseCalendar.EXTENDED_YEAR) - 2637; int m = cc.get(ChineseCalendar.MONTH) + 1; int d = cc.get(ChineseCalendar.DAY_OF_MONTH); StringBuffer ret = new StringBuffer(); ret.append(String.format("%04d", y)).append(separator); ret.append(String.format("%02d", m)).append(separator); ret.append(String.format("%02d", d)); return ret.toString(); } // end converSolarToLunar public String getDay(String date, int amount) { Calendar cal = Calendar.getInstance(); cal.set(Integer.parseInt(date.substring(0, 4)), Integer.parseInt(date.substring(4, 6)) - 1, Integer.parseInt(date.substring(6))); cal.add(Calendar.DAY_OF_MONTH, amount); return getDateByString(cal.getTime(), ""); } /** * 해당일자가 대체공휴일에 해당하는 지 확인 * @param 양력날짜 (yyyyMMdd) * @return 대체 공휴일이면 true */ private boolean isHolidayAlternate(String date) { String[] altHoliday = new String[] { "20150929", "20160210", "20170130", "20180926", "20180507", "20190506", "20200127", "20220912", "20230124", "20240212", "20240506", "20251008", "20270209", "20290924", "20290507"}; return Arrays.asList(altHoliday).contains(date); /* int year = Integer.parseInt(date.substring(0, 4)); SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMdd"); // 설날 String dayFirst2 = convertLunarToSolar(year + "0101"); String dayFirst3 = convertLunarToSolar(year + "0102"); String dayFirst1 = String.valueOf(Integer.parseInt(dayFirst2) - 1); // 추석 String dayThanks1 = convertLunarToSolar(year + "0814"); String dayThanks2 = convertLunarToSolar(year + "0815"); String dayThanks3 = convertLunarToSolar(year + "0816"); // 어린이날 String dayChild = year + "0505"; // 해당 년도의 대체휴일 목록 List altHolyday = new ArrayList(); if(getDayOfWeek(dayFirst1) == Calendar.SUNDAY || getDayOfWeek(dayFirst2) == Calendar.SUNDAY || getDayOfWeek(dayFirst3) == Calendar.SUNDAY || isHolidaySolar(dayFirst1) || isHolidaySolar(dayFirst2) || isHolidaySolar(dayFirst3)) { int y = Integer.parseInt(dayFirst3.substring(0, 4)); int m = Integer.parseInt(dayFirst3.substring(4, 6)) - 1; int d = Integer.parseInt(dayFirst3.substring(6)) + 1; Calendar c = Calendar.getInstance(); c.set(y, m, d); altHolyday.add(sdf.format(c.getTime())); } if(getDayOfWeek(dayThanks1) == Calendar.SUNDAY || getDayOfWeek(dayThanks2) == Calendar.SUNDAY || getDayOfWeek(dayThanks3) == Calendar.SUNDAY || isHolidaySolar(dayThanks1) || isHolidaySolar(dayThanks2) || isHolidaySolar(dayThanks3)) { int y = Integer.parseInt(dayThanks3.substring(0, 4)); int m = Integer.parseInt(dayThanks3.substring(4, 6)) - 1; int d = Integer.parseInt(dayThanks3.substring(6)) + 1; Calendar c = Calendar.getInstance(); c.set(y, m, d); altHolyday.add(sdf.format(c.getTime())); } int childWeek = getDayOfWeek(dayChild); if(childWeek == Calendar.SATURDAY) { int y = Integer.parseInt(dayChild.substring(0, 4)); int m = Integer.parseInt(dayChild.substring(4, 6)) - 1; int d = Integer.parseInt(dayChild.substring(6)) + 2; Calendar c = Calendar.getInstance(); c.set(y, m, d); altHolyday.add(sdf.format(c.getTime())); } if(childWeek == Calendar.SUNDAY) { int y = Integer.parseInt(dayChild.substring(0, 4)); int m = Integer.parseInt(dayChild.substring(4, 6)) - 1; int d = Integer.parseInt(dayChild.substring(6)) + 1; Calendar c = Calendar.getInstance(); c.set(y, m, d); altHolyday.add(sdf.format(c.getTime())); } return altHolyday.contains(date); */ } public HashMap> init() { HashMap> holidays = new HashMap>(); SortedSet sortHoliday = new TreeSet(); solarHolidayMap.put("0101", "신정"); solarHolidayMap.put("0301", "삼일절"); solarHolidayMap.put("0505", "어린이날"); solarHolidayMap.put("0606", "현충일"); solarHolidayMap.put("0815", "광복절"); solarHolidayMap.put("1003", "개천절"); solarHolidayMap.put("1009", "한글날"); solarHolidayMap.put("1225", "성탄절"); lunarHolidayMap.put("0101", "구정"); lunarHolidayMap.put("0102", "구정"); lunarHolidayMap.put("0408", "석가탄신일"); lunarHolidayMap.put("0814", "추석"); lunarHolidayMap.put("0815", "추석"); lunarHolidayMap.put("0816", "추석"); int year = 2015; int endYear = 2030; // int year = 2019; // int endYear = 2020; Calendar c = Calendar.getInstance(); c.set(year, 0, 1); // 1월 1일부터 시작 String solarDate = ""; String lunarDate = ""; for(int i=year; i<=endYear;) { solarDate = getDateByString(c.getTime(), ""); lunarDate = converSolarToLunar(solarDate, ""); c.add(Calendar.DAY_OF_MONTH, 1); // 대체휴일 체크 if(isHolidayAlternate(solarDate)) { String day = solarDate.substring(0,4) + "-" + solarDate.substring(4,6) + "-" + solarDate.substring(6,8); System.out.println(day + " ==> " + "대체공휴일"); holidays.put(day, new Tuple2(day, "대체공휴일")); sortHoliday.add(day); } // 양력휴일 체크 String solarMmdd = solarDate.substring(4,8); if(solarHolidayMap.containsKey(solarMmdd)) { String day = solarDate.substring(0,4) + "-" + solarDate.substring(4,6) + "-" + solarDate.substring(6,8); System.out.println(day + " ==> " + solarHolidayMap.get(solarMmdd)); holidays.put(day, new Tuple2(day, solarHolidayMap.get(solarMmdd))); sortHoliday.add(day); } // 음력휴일 체크 String lunarMmdd = lunarDate.substring(4,8); if(lunarHolidayMap.containsKey(lunarMmdd)) { // 음력 12월은 마지막날이 29일, 30일 계속 번갈아가면서 있으므로 // 양력에서 하루를 빼준날이 구정시작하는 날짜이다. if(lunarMmdd.equals("0101")) { String tmp = getDay(solarDate, -1); String day = tmp.substring(0,4) + "-" + tmp.substring(4,6) + "-" + tmp.substring(6,8); System.out.println(day + " ==> 구정"); holidays.put(day, new Tuple2(day, "구정")); sortHoliday.add(day); } String day = solarDate.substring(0,4) + "-" + solarDate.substring(4,6) + "-" + solarDate.substring(6,8); System.out.println(day + " ==> " + lunarHolidayMap.get(lunarMmdd)); holidays.put(day, new Tuple2(day, lunarHolidayMap.get(lunarMmdd))); sortHoliday.add(day); } year = c.get(Calendar.YEAR); if(year != i) { i++; System.out.println(""); } if(i > endYear) break; } // end for_i // 연속된 휴일을 시작과 종료로 연결 for(int index = 0; index < sortHoliday.size()-1; index++) { Object sortStart = sortHoliday.toArray()[index]; Object sortEnd = sortHoliday.toArray()[index+1]; Object start = holidays.get(sortStart)._1(); Object end = holidays.get(sortEnd)._1(); SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd"); try { Date sDate = simpleDateFormat.parse(start.toString()); Date eDate = simpleDateFormat.parse(end.toString()); // 두 날짜의 차이를 계산 int count = (int)( (eDate.getTime() - sDate.getTime()) / (1000 * 60 * 60 * 24)); if(count == 1 && holidays.get(sortStart)._2().equals(holidays.get(end)._2())) { holidays.remove(end); sortHoliday.remove(end); holidays.put(sortStart.toString(), new Tuple2(end.toString(), holidays.get(sortStart)._2())); index--; } } catch (ParseException e) { // TODO Auto-generated catch block e.printStackTrace(); } } Iterator holidayKeys = holidays.keySet().iterator(); while(holidayKeys.hasNext()) { String key = holidayKeys.next(); Tuple2 tuple = holidays.get(key); System.out.println(key + " ~ " + tuple._1() + " ==> " + tuple._2()); } return holidays; } public static ArrayList getCurrentWeek(String day) throws ParseException { ArrayList list = new ArrayList(); SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd"); Date date = format.parse(day); Calendar calendar = Calendar.getInstance(); calendar.setTime(date); int dayOfWeekDay = calendar.get(Calendar.DAY_OF_WEEK) - calendar.getFirstDayOfWeek(); calendar.add(Calendar.DAY_OF_MONTH, -dayOfWeekDay); String[] days = {"일","월","화","수","목","금","토"}; for (int i = 0; i < days.length; i++) { list.add(format.format(calendar.getTime())); calendar.add(Calendar.DAY_OF_MONTH, 1); } return list; } // 종료날짜는 포함하지 않는다. public static List getDateListEndDateNotInclude(String startDate, String endDate) throws ParseException{ SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd"); Calendar calendar = Calendar.getInstance(); calendar.clear(); List holidayList = Lists.newArrayList(); Date sDate = simpleDateFormat.parse(startDate); Date eDate = simpleDateFormat.parse(endDate); // 두 날짜의 차이를 계산 int count = (int)( (eDate.getTime() - sDate.getTime()) / (1000 * 60 * 60 * 24)); calendar.setTime(sDate); // 차이가 0 보다 큰 경우에는 시작날짜 추가 if(count >= 0) holidayList.add(startDate); // 시작일과 종료일이 1보다 큰 경우에는 날짜를 모두 등록 for(int dayCount = 1; dayCount <= count; dayCount++) { calendar.add(Calendar.DAY_OF_MONTH, 1); Date time = calendar.getTime(); String day = simpleDateFormat.format(time); holidayList.add(day); } return holidayList; } public static Tuple2, Map> getStartDayEndDay(List holidays, String startDay, String endDay, String dayOfWeek) throws ParseException { SimpleDateFormat originalFormat = new SimpleDateFormat("yyyy-MM-dd"); Date startDate = originalFormat.parse(startDay); Date endDate = originalFormat.parse(endDay); // 종료일짜를 출석일 제일 마지막 날짜로 초기화 Calendar calendar = Calendar.getInstance(); calendar.clear(); // 종료 날짜는 출석일 제일 마지막 날짜의 다음 달 말일까지 계산 calendar.setTime(endDate); calendar.add(Calendar.MONTH, 1); int monthEndDay = calendar.getActualMaximum(Calendar.DAY_OF_MONTH); calendar.set(Calendar.DATE, monthEndDay); endDate = calendar.getTime(); // 시작 날짜는 수강 시작일 calendar.setTime(startDate); // 시작 날짜가 포함된 주의 첫번째 날짜 계산 // calendar.setTime(startDate); // int dayOfWeekDay = calendar.get(Calendar.DAY_OF_WEEK) - calendar.getFirstDayOfWeek(); // calendar.add(Calendar.DAY_OF_MONTH, -dayOfWeekDay); // 두 날짜의 차이를 계산 int count = (int)( (endDate.getTime() - calendar.getTime().getTime()) / (1000 * 60 * 60 * 24)); SimpleDateFormat mapFormat = new SimpleDateFormat("yyyy년 MM월"); Map monthTotalCountMap = new TreeMap(); ArrayList subjectDays = new ArrayList(); for (int i = 0; i <= count; i++) { Date time = calendar.getTime(); String day = originalFormat.format(time); // 과정의 수강요일만 포함하며 휴강일은 카운트에서 제외 if(dayOfWeek != null && dayOfWeek.charAt(calendar.get(Calendar.DAY_OF_WEEK)-1) == '1' && !holidays.contains(day)){ // 해당 월에 대한 총 카운트를 저장 String monthMap = mapFormat.format(time); int monthMapKey = (monthTotalCountMap.containsKey(monthMap)) ? monthTotalCountMap.get(monthMap)+1 : 1; monthTotalCountMap.put(monthMap, monthMapKey); subjectDays.add(day); } calendar.add(Calendar.DAY_OF_MONTH, 1); } return new Tuple2, Map>(subjectDays, monthTotalCountMap); } public static void main(String[] args) { HolidayUtils holiday = new HolidayUtils(); holiday.init(); } }