Java Calendar to Time getTimeString(Calendar calendar)

Description

get Time String

License

Open Source License

Declaration

private static String getTimeString(Calendar calendar) 

Method Source Code

//package com.java2s;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.GregorianCalendar;

public class Main {
    private static String getTimeString(Calendar calendar) {
        StringBuffer sb = new StringBuffer();
        sb.append(String.valueOf(calendar.get(Calendar.YEAR)))
                .append(valueOfString(String.valueOf(calendar.get(Calendar.MONTH) + 1), 2))
                .append(valueOfString(String.valueOf(calendar.get(Calendar.DAY_OF_MONTH)), 2))
                .append(valueOfString(String.valueOf(calendar.get(Calendar.HOUR_OF_DAY)), 2))
                .append(valueOfString(String.valueOf(calendar.get(Calendar.MINUTE)), 2))
                .append(valueOfString(String.valueOf(calendar.get(Calendar.SECOND)), 2))
                .append(valueOfString(String.valueOf(calendar.get(Calendar.MILLISECOND)), 3));
        return sb.toString();
    }/*from   www .j av a 2  s . c om*/

    public static String getTimeString(String time) {
        Calendar calendar = new GregorianCalendar();
        calendar.setTime(getDateFormat(time));
        return getTimeString(calendar);
    }

    public static String getTimeString() {
        Calendar calendar = new GregorianCalendar();
        return getTimeString(calendar);
    }

    private static String valueOfString(String str, int len) {
        StringBuffer sb = new StringBuffer();
        for (int i = 0; i < len - str.length(); i++) {
            sb.append("0");
        }
        return (sb.length() == 0) ? (str) : (sb.toString() + str);
    }

    public static String getDateFormat() {
        SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        return df.format(new Date());
    }

    public static Date getDateFormat(String time) {
        SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        try {
            return df.parse(time);
        } catch (ParseException e) {
            e.printStackTrace();
        }
        return null;
    }
}

Related

1. getTime(Calendar c)
2. getTime(Calendar calendar)
3. getTime(Calendar calendar)
4. getTime(Calendar pCalendar_)
5. getTimeString(Calendar cal)
6. printTime(Calendar value)