Java Month Day GetLastWorkDayofMonth(String strDateStart)

Description

Get Last Work Dayof Month

License

Open Source License

Declaration

public static Date GetLastWorkDayofMonth(String strDateStart)
        throws Exception 

Method Source Code

//package com.java2s;
//License from project: Open Source License 

import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;

public class Main {

    public static Date GetLastWorkDayofMonth(String strDateStart)
            throws Exception {
        SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMdd");
        Date date_start = sdf.parse(strDateStart);
        Calendar cal_start = Calendar.getInstance();
        cal_start.setTime(date_start);//from   w w  w  . ja va  2s .co  m

        int dayOfWeek = cal_start.get(Calendar.DAY_OF_WEEK) - 1;
        Date a = new Date();
        if (dayOfWeek == 1) {
            a = AddDate(date_start, -3);
        } else if (dayOfWeek == 7) {
            a = AddDate(date_start, -2);
        } else {
            a = AddDate(date_start, -1);
        }
        // System.out.println(GetFormattedDateUtil(a, "yyyy-MM-dd"));
        return a;
    }

    /**
     * 
     * @param date
     *            Date
     * @param days
     *            int
     * @return Date
     */
    public static Date AddDate(Date date, int days) {
        Calendar c = Calendar.getInstance();
        c.setTime(date);
        long lTmp = c.getTimeInMillis();
        c.setTimeInMillis(lTmp + ((long) days) * 24 * 3600 * 1000);
        return c.getTime();
    }
}

Related

1. getLastMonthDay()
2. getLastMonthLastDate()
3. getLastMonthLastDay()
4. getLastMonthLastDay()
5. getLastMothStart()
6. getMonthDay(int year, int month)
7. getMonthEndDay(String time)
8. getMonthEndDay(String yyyy, String mm)
9. getMonthFirstDay()