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refactor workday code 

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1897952 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
PJ Fanning 2022-02-10 23:43:28 +00:00
parent 27366a22a2
commit 9c55c8d456
1 changed files with 36 additions and 1 deletions
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37
poi/src/main/java/org/apache/poi/ss/formula/atp/WorkdayCalculator.java
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@ -20,7 +20,9 @@ package org.apache.poi.ss.formula.atp;
import java.util.Arrays;
import java.util.Calendar;
import java.util.Date;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
import org.apache.poi.ss.usermodel.DateUtil;
@ -61,6 +63,24 @@ public class WorkdayCalculator {
new HashSet<>(Arrays.asList(new Integer[]{Calendar.SATURDAY}));
private static final Set<Integer> sunWeekend =
new HashSet<>(Arrays.asList(new Integer[]{Calendar.SUNDAY}));
private static final Map<Integer, Set<Integer>> weekendTypeMap = new HashMap<>();
static {
weekendTypeMap.put(1, standardWeekend);
weekendTypeMap.put(2, sunMonWeekend);
weekendTypeMap.put(3, monTuesWeekend);
weekendTypeMap.put(4, tuesWedsWeekend);
weekendTypeMap.put(5, wedsThursWeekend);
weekendTypeMap.put(6, thursFriWeekend);
weekendTypeMap.put(7, friSatWeekend);
weekendTypeMap.put(11, monWeekend);
weekendTypeMap.put(12, tuesWeekend);
weekendTypeMap.put(13, wedsWeekend);
weekendTypeMap.put(14, thursWeekend);
weekendTypeMap.put(15, friWeekend);
weekendTypeMap.put(16, satWeekend);
weekendTypeMap.put(17, sunWeekend);
}
/**
* Constructor.
@ -88,6 +108,7 @@ public class WorkdayCalculator {
/**
* Calculate the workday past x workdays from a starting date, considering a range of holidays.
* Uses Sat/Sun weekend.
*
* @param start start date.
* @param workdays number of workdays to be past from starting date.
@ -95,6 +116,20 @@ public class WorkdayCalculator {
* @return date past x workdays.
*/
public Date calculateWorkdays(double start, int workdays, double[] holidays) {
return calculateWorkdays(start, workdays, 1, holidays);
}
/**
* Calculate the workday past x workdays from a starting date, considering a range of holidays.
*
* @param start start date.
* @param workdays number of workdays to be past from starting date.
* @param weekendType weekend parameter (see https://support.microsoft.com/en-us/office/workday-intl-function-a378391c-9ba7-4678-8a39-39611a9bf81d)
* @param holidays an array of holidays.
* @return date past x workdays.
*/
public Date calculateWorkdays(double start, int workdays, int weekendType, double[] holidays) {
Set<Integer> weekendDays = weekendTypeMap.getOrDefault(weekendType, standardWeekend);
Date startDate = DateUtil.getJavaDate(start);
int direction = workdays < 0 ? -1 : 1;
Calendar endDate = LocaleUtil.getLocaleCalendar();
@ -103,7 +138,7 @@ public class WorkdayCalculator {
while (workdays != 0) {
endDate.add(Calendar.DAY_OF_YEAR, direction);
excelEndDate += direction;
if (!isWeekend(endDate) && !isHoliday(excelEndDate, holidays)) {
if (!isWeekend(endDate, weekendDays) && !isHoliday(excelEndDate, holidays)) {
workdays -= direction;
}
}