Java String to Date strToDate(String dateStr, String dateFormat)

Description

str To Date

License

Apache License

Declaration

public static Date strToDate(String dateStr, String dateFormat) throws ParseException 

Method Source Code

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

import java.text.DateFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;

import java.util.Date;

public class Main {
    private static DateFormat fmtDate = new SimpleDateFormat("yyyy-MM-dd");
    private static DateFormat fmtTime = new SimpleDateFormat("HH:mm:ss");
    private static DateFormat fmtDT = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");

    public static Date strToDate(String dateStr, String dateFormat) throws ParseException {
        if (dateStr == null || "".equals(dateStr.trim()))
            return null;
        DateFormat dt = null;// w ww  . j  a v  a2s  . c om
        if (dateFormat == null) {
            dt = getDateFormat(dateStr);
        } else {
            dt = new SimpleDateFormat(dateFormat);
        }
        return dt.parse(dateStr);
    }

    public static Date strToDate(String dateStr) throws ParseException {
        return strToDate(dateStr, null);
    }

    public static DateFormat getDateFormat(String dateStr) {
        int pos1 = dateStr.indexOf("-");
        int pos2 = dateStr.indexOf(":");
        DateFormat dt = null;
        if (pos1 != -1 && pos2 != -1) {
            dt = fmtDT;
        } else if (pos1 != -1 && pos2 == -1) {
            dt = fmtDate;
        } else if (pos1 == -1 && pos2 != -1) {
            dt = fmtTime;
        } else {
            dt = fmtDate;
        }
        return dt;
    }
}

Related

1. strToDate(String date)
2. strToDate(String date)
3. strToDate(String date, String pattern)
4. StrToDate(String dateFormat)
5. strToDate(String dateInString)
6. strToDate(String dateStr, String format)
7. strToDate(String format, String dateStr)
8. strToDate(String i_StrDate, String i_Format)
9. strToDate(String input, String format)