share.TimeUtil.java Source code

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Here is the source code for share.TimeUtil.java

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/*
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package share;

import java.text.DateFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.TimeZone;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.apache.commons.lang3.time.DateUtils;

/**
 * Some utility methods for time process
 * @author LinhTA
 */
public class TimeUtil {
    private static final org.apache.log4j.Logger LOG = org.apache.log4j.Logger.getLogger(TimeUtil.class.getName());

    public static final int DAY_SECS = 24 * 60 * 60;

    static {

        DateFormat dateTimeF = new SimpleDateFormat("yyMMdd_HHmmss");
        dateTimeFormatter = dateTimeF;

        DateFormat dayTokenF = new SimpleDateFormat("yyyyMMdd");
        dayTokenFormatter = dayTokenF;

        DateFormat dayF = new SimpleDateFormat("dd/MM/yyyy");
        dateFormatter = dayF;
    }

    private static final DateFormat dateTimeFormatter;

    public static String formatDateTime(Date date) {
        return dateTimeFormatter.format(date);
    }

    private static final DateFormat dateFormatter;

    public static String formatDate(Date date) {
        return dateFormatter.format(date);
    }

    public static Date getDate(String s) {
        try {
            return dateFormatter.parse(s);
        } catch (Exception ex) {
            return null;
        }
    }

    public static int diffDays(long last, long now) {
        Date lastDay = getMidnight(last);
        Date currentDay = getMidnight(now);
        return (int) ((currentDay.getTime() - lastDay.getTime()) / 86400000L);
    }

    public static Date getMidnight(long now) {
        Date midNight = new Date(now);
        midNight = DateUtils.setHours(midNight, 0);
        midNight = DateUtils.setMinutes(midNight, 0);
        midNight = DateUtils.setSeconds(midNight, 0);
        midNight = DateUtils.setMilliseconds(midNight, 0);

        return midNight;
    }

    private static final DateFormat dayTokenFormatter;

    public static String dayToken(long now) {
        Date toDay = new Date(now);
        return dayTokenFormatter.format(toDay);
    }

    public static long tomorowTime(String dayToken) {
        try {
            Date toDay = dayTokenFormatter.parse(dayToken);
            Date tomorow = DateUtils.addDays(toDay, 1);

            return tomorow.getTime();
        } catch (ParseException ex) {
            Logger.getLogger(TimeUtil.class.getName()).log(Level.SEVERE, null, ex);
        }

        return 0;
    }

    public static long now() {
        return Calendar.getInstance(TimeZone.getDefault()).getTime().getTime();
    }
}