Java SQL Date Convert toYMD(Date date, String datePtn)

Description

to YMD

License

Open Source License

Declaration

public static String toYMD(Date date, String datePtn) 

Method Source Code

//package com.java2s;
import java.sql.Date;
import java.sql.Time;

import java.text.*;

public class Main {
    public static final String DEFAULT_DATE_YMD_FORMAT = "yyyy-MM-dd";
    public static final String DEFAULT_TIME_FORMAT = "HH:mm:ss";

    public static String toYMD(Date date, String datePtn) {

        if (date == null) {
            return null;
        }//w w  w  . j  a v a  2 s  .  co  m
        return toString(date, getYMDFormat(datePtn));
    }

    public static String toYMD(String yy, String mm, String dd) {

        if (yy == null || mm == null || dd == null) {
            return null;
        }

        if (yy.trim().length() == 0 || mm.trim().length() == 0) {
            return "";
        }

        mm = mm != null && mm.length() == 1 ? "0" + mm : mm;
        if (dd != null && dd.length() == 0) {
            dd = "  ";
        }
        if (dd != null && dd.length() == 1) {
            dd = "0" + dd;
        }

        return yy + mm + dd;
    }

    public static String toString(Date date) {
        return toString((java.util.Date) date);
    }

    public static String toString(java.util.Date date) {
        return toString(date, DEFAULT_DATE_YMD_FORMAT);
    }

    public static String toString(Date date, String format) {
        return toString((java.util.Date) date, format);
    }

    public static String toString(java.util.Date date, String format) {

        if (date == null) {
            return null;
        }

        if (format == null) {
            throw new IllegalArgumentException("The value of an argument is inaccurate.");
        }

        SimpleDateFormat sdf = new SimpleDateFormat(format);

        return sdf.format(date);
    }

    public static String toString(Time time, String format) {

        if (time == null) {
            return null;
        }

        if (format == null) {
            throw new IllegalArgumentException("The value of an argument is inaccurate.");
        }

        SimpleDateFormat sdf = new SimpleDateFormat(format);

        return sdf.format(time);
    }

    public static String toString(Time time) {
        return toString(time, DEFAULT_TIME_FORMAT);
    }

    public static String getYMDFormat(String datePtn) {
        final String[][] DATE_FORMAT_YMD_LIST = { { "1", "yyyy/MM/dd" }, { "2", "yyyy.MM.dd" },
                { "3", "yyyy-MM-dd" }, { "4", "MM/dd/yyyy" }, { "5", "MM.dd.yyyy" }, { "6", "MM-dd-yyyy" },
                { "7", "dd/MM/yyyy" }, { "8", "dd.MM.yyyy" }, { "9", "dd-MM-yyyy" }, { "A", "dd/MM yyyy" } };
        String format = null;

        for (int i = 0; i < DATE_FORMAT_YMD_LIST.length; i++) {
            if (DATE_FORMAT_YMD_LIST[i][0].equals(datePtn)) {
                format = DATE_FORMAT_YMD_LIST[i][1];
                break;
            }
        }

        if (format == null) {
            throw new IllegalArgumentException("The value of an argument is inaccurate.");
        }
        return format;
    }
}

Related

1. toJavaDate(java.sql.Date date)
2. toJavaDate(java.sql.Date sqlDate)
3. toLong(java.util.Date v)
4. toName(Date date)
5. totalUpdateCount(int[] result)