TimePointFormat.java

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 * PlantUML : a free UML diagram generator
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 * (C) Copyright 2009-2024, Arnaud Roques
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 * Original Author:  Arnaud Roques
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package net.sourceforge.plantuml.gantt.time;

import java.util.Locale;

import net.sourceforge.plantuml.utils.I18nTimeData;

public enum TimePointFormat {

	DAY_OF_WEEK_SHORT, DAY_OF_WEEK_LONG, MONTH_YEAR_SHORT, MONTH_YEAR_LONG, MONTH_LONG, MONTH_SHORT, YEAR, QUARTER,
	DAY_OF_MONTH, MONTH_AND_DAY;

	public String format(TimePoint when, Locale locale) {
		switch (this) {
		case DAY_OF_MONTH:
			return "" + when.getDayOfMonth();

		case QUARTER:
			return "" + when.quarter();

		case YEAR:
			return "" + when.year();

		case DAY_OF_WEEK_LONG:
			return I18nTimeData.dayOfWeekLong(when.toDayOfWeek(), locale);

		case DAY_OF_WEEK_SHORT:
			return I18nTimeData.dayOfWeekShort(when.toDayOfWeek(), locale);

		case MONTH_LONG:
			return I18nTimeData.monthLong(when.month(), locale);

		case MONTH_SHORT:
			return I18nTimeData.monthShort(when.month(), locale);

		case MONTH_YEAR_SHORT:
			return I18nTimeData.monthShort(when.month(), locale) + " " + when.year();

		case MONTH_YEAR_LONG:
			return I18nTimeData.monthLong(when.month(), locale) + " " + when.year();

		case MONTH_AND_DAY:
			return monthAndDay(when, locale);

		}
		throw new IllegalStateException();
	}

	private String monthAndDay(TimePoint when, Locale locale) {
	    final String lang = locale.getLanguage();
	    switch (lang) {
	        case "fr":
	            return when.getDayOfMonth() + " " + TimePointFormat.MONTH_SHORT.format(when, locale);
	        case "es":
	            // "día de mes" (ex: "17 de jun")
	            return when.getDayOfMonth() + " de " + TimePointFormat.MONTH_SHORT.format(when, locale);
	        case "de":
	            // "Tag. Monat" (ex: "17. Jun")
	            return when.getDayOfMonth() + ". " + TimePointFormat.MONTH_SHORT.format(when, locale);
	        case "ja":
	            // "月/日" (ex: "6月/17日")
	            return TimePointFormat.MONTH_SHORT.format(when, locale) + "/" + when.getDayOfMonth() + "日";
	        case "ko":
	            // "월 일" (ex: "6월 17일")
	            return TimePointFormat.MONTH_SHORT.format(when, locale) + " " + when.getDayOfMonth() + "일";
	        case "ru":
	            // "день месяца" (ex: "17 июня")
	            return when.getDayOfMonth() + " " + TimePointFormat.MONTH_LONG.format(when, locale).toLowerCase();
	        case "zh":
	            // "月/日" (ex: "6月/17日")
	            return TimePointFormat.MONTH_SHORT.format(when, locale) + when.getDayOfMonth() + "日";
	    }
	    return TimePointFormat.MONTH_SHORT.format(when, locale) + " " + when.getDayOfMonth();
	}
}