com.scudata.common.DateFormatFactory Maven / Gradle / Ivy

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SPL(Structured Process Language) A programming language specially for structured data computing.
There is a newer version: 20240823
package com.scudata.common;
import java.text.*;
import java.util.*;

public class DateFormatFactory {
	private static String dateFormat = "yyyy-MM-dd";
	private static String timeFormat = "HH:mm:ss";
	private static String dateTimeFormat = "yyyy-MM-dd HH:mm:ss";

	private static ThreadLocal local = new ThreadLocal() {
		protected synchronized DateFormatFactory initialValue() {
			return new DateFormatFactory();
		}
	};
	
	public static DateFormatFactory get() {
		return (DateFormatFactory) local.get();
	}

	/**
	 * ??ȡʱ???ʽ
	 * @return String ʱ???ʽ?趨
	 */
	public static String getDefaultTimeFormat() {
		return timeFormat;
	}

	/**
	 * ????ʱ???ʽ
	 * @param format String ʱ???ʽ?趨
	 */
	public static void setDefaultTimeFormat(String format) {
		timeFormat = format;
	}

	/**
	 * ??ȡ???ڸ?ʽ
	 * @return String ???ڸ?ʽ?趨
	 */
	public static String getDefaultDateFormat() {
		return dateFormat;
	}

	/**
	 * ???????ڸ?ʽ
	 * @param format String ???ڸ?ʽ?趨
	 */
	public static void setDefaultDateFormat(String format) {
		dateFormat = format;
	}

	/**
	 * ??ȡ????ʱ???ʽ
	 * @return String ????ʱ???ʽ?趨
	 */
	public static String getDefaultDateTimeFormat() {
		return dateTimeFormat;
	}

	/**
	 * ????????ʱ???ʽ
	 * @param format String ????ʱ???ʽ?趨
	 */
	public static void setDefaultDateTimeFormat(String format) {
		dateTimeFormat = format;
	}

	private HashMap map = new HashMap();
	private HashMap xmap = new HashMap();

	/**
	 * ȡָ????ʽ???ĸ?ʽ????
	 */
	public DateFormat getFormat(String fmt) {
		DateFormat df = map.get(fmt);
		if(df == null) {
			df = new SimpleDateFormat(fmt);
			df.getCalendar().setLenient(false);
			map.put(fmt, df);
		}
		
		return df;
	}

	public DateFormat getFormat(String fmt, String locale) {
		if (locale == null) {
			return getFormat(fmt);
		}
		
		String key = locale + fmt;
		DateFormat df = map.get(key);
		if(df == null) {
			df = new SimpleDateFormat(fmt, Locale.forLanguageTag(locale)); // new Locale(locale)
			df.getCalendar().setLenient(false);
			map.put(key, df);
		}
		
		return df;
	}
	
	/**
	 * ȡϵͳ?趨?????ڸ?ʽ????Ӧ?ĸ?ʽ????
	 */
	public DateFormat getDateFormat() {
		return getFormat(dateFormat);
	}

	/**
	 * ȡϵͳ?趨??ʱ???ʽ????Ӧ?ĸ?ʽ????
	 */
	public DateFormat getTimeFormat() {
		return getFormat(timeFormat);
	}

	/**
	 * ȡϵͳ?趨??????ʱ???ʽ????Ӧ?ĸ?ʽ????
	 */
	public DateFormat getDateTimeFormat() {
		return getFormat(dateTimeFormat);
	}

	/**
	 * ȡָ????ʽ???ĸ?ʽ????
	 */
	public DateFormatX getFormatX(String fmt) {
		DateFormatX df = xmap.get(fmt);
		if(df == null) {
			df = new DateFormatX(fmt);
			df.getCalendar().setLenient(false);
			xmap.put(fmt, df);
		}
		
		return df;
	}

	/**
	 * ȡϵͳ?趨?????ڸ?ʽ????Ӧ?ĸ?ʽ????
	 */
	public DateFormatX getDateFormatX() {
		return getFormatX(dateFormat);
	}

	/**
	 * ȡϵͳ?趨??ʱ???ʽ????Ӧ?ĸ?ʽ????
	 */
	public DateFormatX getTimeFormatX() {
		return getFormatX(timeFormat);
	}

	/**
	 * ȡϵͳ?趨??????ʱ???ʽ????Ӧ?ĸ?ʽ????
	 */
	public DateFormatX getDateTimeFormatX() {
		return getFormatX(dateTimeFormat);
	}
}