Java Hour Format formatNewDate(String format)

Description

format New Date

License

Open Source License

Declaration

public static Date formatNewDate(String format) 

Method Source Code

//package com.java2s;

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

public class Main {
    public static String YYYY_MM_DD_HH_MM_SS = "yyyy-MM-dd HH:mm:ss";
    public static final String DATE_PATTERN_SS = "yyyyMMddHHmmssSS";
    private static final String INIT_DATE_TIME = "1900-01-01 00:00:00";

    public static Date formatNewDate(String format) {
        SimpleDateFormat sdf = new SimpleDateFormat(format);
        try {/*from  w  w  w. j  a v  a 2s  . c om*/
            return sdf.parse(dateToString(new Date(), format));
        } catch (ParseException e) {
            e.printStackTrace();
            return null;
        }
    }

    public static Date parse(String str) {
        SimpleDateFormat sdf = new SimpleDateFormat(YYYY_MM_DD_HH_MM_SS);
        try {
            if (str.length() < INIT_DATE_TIME.length()) {
                str += INIT_DATE_TIME.substring(str.length() + 1);
            }
            return sdf.parse(str);
        } catch (ParseException e) {
            return null;
        }
    }

    public static String dateToString(Date date, String format) {
        SimpleDateFormat sdf = new SimpleDateFormat(format);
        try {
            return sdf.format(date);
        } catch (Exception e) {
            return null;
        }
    }

    public static String format(Date date) {
        SimpleDateFormat sdf = new SimpleDateFormat(YYYY_MM_DD_HH_MM_SS);
        return sdf.format(date);
    }

    public static String format(Date date, String pattern) {
        return date == null ? " " : new SimpleDateFormat(pattern).format(date);
    }

    public static String format() {
        SimpleDateFormat sdf = new SimpleDateFormat(DATE_PATTERN_SS);
        return sdf.format(new Date());
    }
}

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