Java Date String to String dateToString(String date, String month)

Description

date To String

License

Open Source License

Parameter

Parameter	Description
date	date
month	month

Return

date in string form [ mmdd ]

Declaration

public static String dateToString(String date, String month) 

Method Source Code

//package com.java2s;
//License from project: Open Source License 

public class Main {
    /**//from   w  w  w .j av a 2s . c o m
     * @param date date
     * @param month month
     * @return date in string form [ mmdd ]
     */
    public static String dateToString(String date, String month) {
        if (date.length() == 1)
            date = "0" + date;
        return monthAlphaToNum(month) + date;
    }

    /**
     * @param date date
     * @param month month
     * @param year year
     * @return date in string form [ yyyymmdd ]
     */
    public static String dateToString(String date, String month, String year) {
        if (year == null)
            return dateToString(date, month);
        if (date.length() == 1)
            date = "0" + date;
        return year + monthAlphaToNum(month) + date;
    }

    /**
     * Month string to number
     * @param str month in string
     * @return month in number
     */
    private static String monthAlphaToNum(String str) {
        str = str.toLowerCase();
        if (str.equals("jan") || str.equals("january")) {
            return "01";
        } else if (str.equals("feb") || str.equals("february")) {
            return "02";
        } else if (str.equals("mar") || str.equals("march")) {
            return "03";
        } else if (str.equals("apr") || str.equals("april")) {
            return "04";
        } else if (str.equals("may")) {
            return "05";
        } else if (str.equals("jun") || str.equals("june")) {
            return "06";
        } else if (str.equals("jul") || str.equals("july")) {
            return "07";
        } else if (str.equals("aug") || str.equals("august")) {
            return "08";
        } else if (str.equals("sep") || str.equals("september")) {
            return "09";
        } else if (str.equals("oct") || str.equals("october")) {
            return "10";
        } else if (str.equals("nov") || str.equals("november")) {
            return "11";
        } else if (str.equals("dec") || str.equals("december")) {
            return "12";
        }
        return null;
    }
}

Related

1. dateToDateEN(String in)
2. dateToFileName(String date)
3. dateToInt(String date)
4. dateToString(String date)
5. adjustDate(String format, String value)