get Time Milliseconds - Java java.util

Java examples for java.util:Millisecond

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Description

get Time Milliseconds

Demo Code


import java.util.Calendar;
import java.util.TimeZone;

public class Main{
    public static void main(String[] argv) throws Exception{
        long start = 2;
        int nNext = 2;
        int hour = 2;
        int minute = 2;
        System.out.println(getTimeMillis(start,nNext,hour,minute));
    }/*  w ww. j  a va 2s .c  om*/
    public static final long DAY = 24 * HOUR;
    private static Calendar mCalendar;
    public static long getTimeMillis(long start, int nNext, int hour,
            int minute) {
        initCalendarIfNeeded();

        long startTime = start;
        long targetTime = startTime + nNext * DAY;

        mCalendar.setTimeInMillis(targetTime);
        mCalendar.set(Calendar.HOUR_OF_DAY, hour);
        mCalendar.set(Calendar.MINUTE, minute);

        return mCalendar.getTimeInMillis();
    }
    private static synchronized void initCalendarIfNeeded() {
        if (mCalendar == null) {
            mCalendar = Calendar.getInstance();
            TimeZone tz = TimeZone.getTimeZone("GMT+8");
            mCalendar.setTimeZone(tz);
        }
    }
}

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