Android Day Compare getDaysAgo(String fromDay, int toOlderDay, int toOlderDayMonth)

Description

get Days Ago

Declaration

public static int getDaysAgo(String fromDay, int toOlderDay,
            int toOlderDayMonth) 

Method Source Code

//package com.java2s;

public class Main {
    public static int getDaysAgo(String fromDay, int toOlderDay,
            int toOlderDayMonth) { //a bit dom
        int daysAgo = 0;
        char charAt0 = fromDay.charAt(0);
        char charAt1 = fromDay.charAt(1);
        String sDay = "" + charAt0 + charAt1;
        sDay = sDay.trim();//from w w w  . j av a2  s .  c  om
        int fromDayInt = Integer.valueOf(sDay);

        if (fromDayInt >= toOlderDay) { //this means that both dates are still in the same month
            return fromDayInt - toOlderDay; // return 0 or number not less more than from
        } else { // deal with feb some other day
            for (int i = 0; i < 13; i++) { //13 is the number of month.
                int toMonthEndDaysLeft;
                switch (toOlderDayMonth) {
                case 0: //jan ends with 31
                    toMonthEndDaysLeft = 31 - toOlderDay;
                    daysAgo = fromDayInt + toMonthEndDaysLeft;
                    break;
                case 1: //feb
                    toMonthEndDaysLeft = 28 - toOlderDay;
                    daysAgo = fromDayInt + toMonthEndDaysLeft;
                    break;
                case 2: //march
                    toMonthEndDaysLeft = 31 - toOlderDay;
                    daysAgo = fromDayInt + toMonthEndDaysLeft;
                    break;
                case 3:
                    toMonthEndDaysLeft = 31 - toOlderDay;
                    daysAgo = fromDayInt + toMonthEndDaysLeft;
                    break;
                case 4:
                    toMonthEndDaysLeft = 30 - toOlderDay;
                    daysAgo = fromDayInt + toMonthEndDaysLeft;
                    break;
                case 5: //may
                    toMonthEndDaysLeft = 31 - toOlderDay;
                    daysAgo = fromDayInt + toMonthEndDaysLeft;
                    break;
                case 6: //june
                    toMonthEndDaysLeft = 30 - toOlderDay;
                    daysAgo = fromDayInt + toMonthEndDaysLeft;
                    break;
                case 7:
                    toMonthEndDaysLeft = 31 - toOlderDay;
                    daysAgo = fromDayInt + toMonthEndDaysLeft;
                    break;
                case 8: //august
                    toMonthEndDaysLeft = 31 - toOlderDay;
                    daysAgo = fromDayInt + toMonthEndDaysLeft;
                    break;
                case 9:
                    toMonthEndDaysLeft = 30 - toOlderDay;
                    daysAgo = fromDayInt + toMonthEndDaysLeft;
                    break;
                case 10:
                    toMonthEndDaysLeft = 31 - toOlderDay;
                    daysAgo = fromDayInt + toMonthEndDaysLeft;
                    break;
                case 11:
                    toMonthEndDaysLeft = 30 - toOlderDay;
                    daysAgo = fromDayInt + toMonthEndDaysLeft;
                    break;
                case 12:
                    toMonthEndDaysLeft = 31 - toOlderDay;
                    daysAgo = fromDayInt + toMonthEndDaysLeft;
                    break;
                }
            }
        }
        return daysAgo;
    }
}

Related

1. isSameDay(Date date1, Date date2)
2. isSameDay(Calendar cal1, Calendar cal2)
3. daysSince(long date)
4. isDateDayEqual(long lTime1, long lTime2)
5. isDayChanged(long lastScan)