Java SQL Time Format formatDateYM(Date date, String datePtn)

Description

format Date YM

License

Open Source License

Declaration

public static String formatDateYM(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_DATE_YM_FORMAT = "yyyyMM";
    public static final String DEFAULT_TIME_FORMAT = "HH:mm:ss";

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

        if (date == null) {
            return null;
        }/*from  w w w.  j a  va  2s.  co  m*/
        return toString(date, getYMFormat(datePtn));
    }

    public static String formatDateYM(String str, String datePtn) {

        if (str == null || str.trim().length() == 0) {
            return null;
        }
        return formatDateYM(formatCharDateYMD(str, DEFAULT_DATE_YM_FORMAT), datePtn);
    }

    public static String formatDateYM(String yy, String mm, String datePtn) {

        if (yy == null || mm == null || yy.trim().length() == 0 || mm.trim().length() == 0) {
            return null;
        }
        return formatDateYM(yy + (mm != null && mm.length() == 1 ? "0" + mm : mm), datePtn);
    }

    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 getYMFormat(String datePtn) {
        final String[][] DATE_FORMAT_YM_LIST = { { "1", "yyyy/MM" }, { "2", "yyyy.MM" }, { "3", "yyyy-MM" },
                { "4", "MM/yyyy" }, { "5", "MM.yyyy" }, { "6", "MM-yyyy" }, { "7", "MM/yyyy" }, { "8", "MM.yyyy" },
                { "9", "MM-yyyy" }, { "A", "MM yyyy" }, { "B", "yyyyMM" } };
        String format = null;

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

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

    public static Date formatCharDateYMD(String str) {
        return formatCharDateYMD(str, DEFAULT_DATE_YMD_FORMAT);
    }

    public static Date formatCharDateYMD(String str, String format) {

        if (str == null || str.trim().length() == 0) {
            return null;
        }

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

        SimpleDateFormat sdf = new SimpleDateFormat(format);

        ParsePosition pos = new ParsePosition(0);

        java.util.Date date = sdf.parse(str, pos);

        if (date == null) {
            return null;
        }
        return new Date(date.getTime());
    }

    public static Date formatCharDateYMD(String yy, String mm, String dd) {

        if (yy == null || mm == null || dd == null || yy.trim().length() == 0 || mm.trim().length() == 0
                || dd.trim().length() == 0) {
            return null;
        }
        return formatCharDateYMD(yy + "-" + (mm != null && mm.length() == 1 ? "0" + mm : mm) + "-"
                + (dd != null && dd.length() == 1 ? "0" + dd : dd));
    }
}

Related

1. formatCharDateYMD(String str)
2. formatCharDateYMDHMS(String str)
3. formatDate(String Format)
4. formatDateWithSlashes(java.sql.Date date)
5. formatDateYMD(String str, String datePtn)
6. formatDefaultValue(Object o)
7. formatExceptionForToolsWithLimitedCharacterSet(String exceptionLabel)
8. formatTime(Date date)