Java Today getBetweenTodaysStartDateAndEndDate(Date startDate, Date endDate)

Description

get Between Todays Start Date And End Date

License

Open Source License

Declaration

public static int getBetweenTodaysStartDateAndEndDate(Date startDate, Date endDate) 

Method Source Code

//package com.java2s;
import java.text.DateFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;

import java.util.Calendar;
import java.util.Date;

public class Main {
    public static int getBetweenTodaysStartDateAndEndDate(Date startDate, Date endDate) {
        int betweentoday = 0;
        if (null == startDate || null == endDate)
            return betweentoday;

        if (endDate == null) {
            Calendar calendar = Calendar.getInstance();
            String year = new Integer(calendar.get(1)).toString();
            String month = new Integer(calendar.get(2) + 1).toString();

            String day = new Integer(calendar.get(5)).toString();

            String strtodaytime = year + "-" + month + "-" + day;
            DateFormat formatter = new SimpleDateFormat("yyyy-MM-dd");
            try {
                endDate = formatter.parse(strtodaytime);
            } catch (ParseException e) {
                e.printStackTrace();/*from w w  w .j  a  v  a  2s. com*/
            }
        }

        if (endDate.after(startDate))
            betweentoday = (int) ((endDate.getTime() - startDate.getTime()) / 86400000L);
        else
            betweentoday = (int) ((startDate.getTime() - endDate.getTime()) / 86400000L);

        return betweentoday;
    }

    public static String getTime(int format) {
        StringBuffer cTime = new StringBuffer(10);
        Calendar time = Calendar.getInstance();
        int miltime = time.get(14);
        int second = time.get(13);
        int minute = time.get(12);
        int hour = time.get(11);
        int day = time.get(5);
        int month = time.get(2) + 1;
        int year = time.get(1);
        if (format != 14)
            if (year >= 2000)
                year -= 2000;
            else
                year -= 1900;

        if (format >= 2)
            if (format == 14)
                cTime.append(year);
            else
                cTime.append(getFormatTime(year, 2));

        if (format >= 4)
            cTime.append(getFormatTime(month, 2));
        if (format >= 6)
            cTime.append(getFormatTime(day, 2));
        if (format >= 8)
            cTime.append(getFormatTime(hour, 2));
        if (format >= 10)
            cTime.append(getFormatTime(minute, 2));
        if (format >= 12)
            cTime.append(getFormatTime(second, 2));
        if (format >= 15)
            cTime.append(getFormatTime(miltime, 3));
        return cTime.toString();
    }

    private static String getFormatTime(int time, int format) {
        StringBuffer numm = new StringBuffer();
        int length = String.valueOf(time).length();
        if (format < length)
            return null;
        for (int i = 0; i < format - length; ++i)
            numm.append("0");

        numm.append(time);
        return numm.toString().trim();
    }
}

Related

1. endOfToday()
2. formatToday()
3. formatToday()
4. formatToDays(Date date)
5. getAllToday()
6. getCalendarTodayZero(Calendar today)
7. getEndOfToday()
8. getFirstDate(Date today)
9. getLastCalendarOfToday()