Java Time Now getNowFormattedDateTimeStr(String pattern)

Description

get Now Formatted Date Time Str

License

Apache License

Declaration

public static String getNowFormattedDateTimeStr(String pattern) 

Method Source Code

//package com.java2s;
//License from project: Apache License 

import java.text.SimpleDateFormat;

import java.util.Date;
import java.util.HashMap;

import java.util.Map;

public class Main {
    private static Map<String, SimpleDateFormat> pattern2FormatMap = new HashMap<>();

    public static String getNowFormattedDateTimeStr(String pattern) {
        return getFormattedDateTimeStr(pattern, new Date());
    }//from w w  w  .  j  a  va  2  s  .  com

    public static String getFormattedDateTimeStr(String pattern, Date date) {
        SimpleDateFormat simpleDateFormat = getDateFormatFromCache(pattern);
        return simpleDateFormat.format(date);
    }

    private static SimpleDateFormat getDateFormatFromCache(String pattern) {
        SimpleDateFormat simpleDateFormat = null;
        if (pattern2FormatMap.containsKey(pattern)) {
            simpleDateFormat = pattern2FormatMap.get(pattern);
        } else {
            simpleDateFormat = new SimpleDateFormat(pattern);
            pattern2FormatMap.put(pattern, simpleDateFormat);
        }
        return simpleDateFormat;
    }
}

Related

1. getNowDateTimeStrConcise()
2. getNowDayTimeLong()
3. getNowDefault()
4. getNowFileFormat()
5. getNowFormatLog()
6. getNowHour()
7. getNowInBanFormat()
8. getNowInputDate()
9. getNowOfDateByFormat(String format)