Java Time Format getCalendarByDateTime(int dateTime, String dateFormat)

Description

get Calendar By Date Time

License

Open Source License

Declaration

public static Calendar getCalendarByDateTime(int dateTime, String dateFormat) 

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 final String yyyyMMdd = "yyyyMMdd";

    public static Calendar getCalendarByDateTime(int dateTime, String dateFormat) {

        Date date = toDate(dateTime, dateFormat);
        Calendar calendar = Calendar.getInstance();
        calendar.setTime(date);/*from ww w  . j a  va  2s .c  o m*/
        return calendar;
    }

    public static Date toDate(int date, String timeFormat) {
        StringBuilder sbBuilder = new StringBuilder();
        if (!yyyyMMdd.equals(timeFormat) && String.valueOf(date).length() == 8) {
            sbBuilder.append("0");
        }
        sbBuilder.append(date);
        DateFormat sdf = new SimpleDateFormat(timeFormat);
        Date datetime = new Date();
        try {
            datetime = sdf.parse(sbBuilder.toString());
        } catch (ParseException e) {
            throw new RuntimeException("parse the time [" + date + "] with format [" + timeFormat + "] error", e);
        }
        return datetime;
    }

    public static Date toDate(int date, int time, String timeFormat) {
        StringBuilder sbBuilder = new StringBuilder();
        sbBuilder.append(date);
        if (String.valueOf(time).length() == 8) {
            sbBuilder.append("0");
        }
        sbBuilder.append(time);
        DateFormat sdf = new SimpleDateFormat(timeFormat);
        Date datetime = new Date();
        try {
            datetime = sdf.parse(sbBuilder.toString());
        } catch (ParseException e) {
            throw new RuntimeException(
                    "parse the time [" + date + " " + time + "] with format [" + timeFormat + "] error", e);
        }
        return datetime;
    }
}

Related

1. formatTimeUnits(double nanos)
2. formatTimeZoneID(String id)
3. formatToTimeStr(String str)
4. formatUptime(long uptime)
5. formatVideoRecordingTime(long t)
6. getCurDateTime(String formatStr)
7. getCurDateTimeFormat(String Format)
8. getCurrDatetimeWithDbFormat()
9. getCurTime(String dateformat)