Java Month Get getTsOfMonth(Date date, boolean isEnd, boolean isPrevious)

Description

get Ts Of Month

License

Apache License

Declaration

public static long getTsOfMonth(Date date, boolean isEnd,
            boolean isPrevious) 

Method Source Code

//package com.java2s;
//License from project: Apache License 

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

public class Main {
    public static long getTsOfMonth(Date date, boolean isEnd,
            boolean isPrevious) {
        Calendar calendar = Calendar.getInstance();
        calendar.setTime(date);/*from  w ww. ja v  a2s . co m*/
        calendar.setTimeZone(TimeZone.getTimeZone("UTC"));

        if (isEnd) {
            if (isPrevious) {
                calendar.add(Calendar.MONTH, -1);
            }
            calendar.set(Calendar.DATE,
                    calendar.getActualMaximum(Calendar.DATE));
            calendar.set(Calendar.HOUR_OF_DAY, 23);
            calendar.set(Calendar.MINUTE, 59);
            calendar.set(Calendar.SECOND, 59);
            calendar.set(Calendar.MILLISECOND, 999);
        } else {
            if (isPrevious) {
                calendar.add(Calendar.MONTH, -1);
            }
            calendar.set(Calendar.DATE, 1);
            calendar.set(Calendar.HOUR_OF_DAY, 0);
            calendar.set(Calendar.MINUTE, 0);
            calendar.set(Calendar.SECOND, 0);
            calendar.set(Calendar.MILLISECOND, 1);
        }
        return calendar.getTimeInMillis();
    }

    public static long getTimeInMillis(String dateString, String format) {
        long ts = 0L;

        try {
            SimpleDateFormat sdf = new SimpleDateFormat(format);

            Date date = sdf.parse(dateString);
            Calendar calendar = Calendar.getInstance();
            calendar.setTime(date);
            calendar.setTimeZone(TimeZone.getTimeZone("UTC"));
            calendar.set(Calendar.HOUR_OF_DAY, 0);
            calendar.set(Calendar.MINUTE, 0);
            calendar.set(Calendar.SECOND, 0);
            calendar.set(Calendar.MILLISECOND, 0);

            ts = calendar.getTimeInMillis();
        } catch (ParseException e) {
            e.printStackTrace();
        }

        return ts;
    }
}

Related

1. getThisMonth()
2. getThisMonth()
3. getThisMonthAndCycle()
4. getThisMonthDate()
5. getThisMonthLastDate()
6. getWeekOfMonth(String datetime)
7. getWorkMonthLastDay(Date date)
8. getYesterdayOnLastMonth(String yesterday)
9. getYestMonth()