net.sourceforge.plantuml.timingdiagram.TimingFormat Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of plantuml-lgpl Show documentation
PlantUML is a component that allows to quickly write diagrams from text.
There is a newer version: 1.2024.8
// THIS FILE HAS BEEN GENERATED BY A PREPROCESSOR.
/* +=======================================================================
 * |
 * |      PlantUML : a free UML diagram generator
 * |
 * +=======================================================================
 *
 * (C) Copyright 2009-2024, Arnaud Roques
 *
 * Project Info:  https://plantuml.com
 *
 * If you like this project or if you find it useful, you can support us at:
 *
 * https://plantuml.com/patreon (only 1$ per month!)
 * https://plantuml.com/liberapay (only 1€ per month!)
 * https://plantuml.com/paypal
 *
 *
 * PlantUML is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * PlantUML distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
 * License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this library.  If not, see .
 *
 * PlantUML can occasionally display sponsored or advertising messages. Those
 * messages are usually generated on welcome or error images and never on
 * functional diagrams.
 * See https://plantuml.com/professional if you want to remove them
 *
 * Images (whatever their format : PNG, SVG, EPS...) generated by running PlantUML
 * are owned by the author of their corresponding sources code (that is, their
 * textual description in PlantUML language). Those images are not covered by
 * this LGPL license.
 *
 * The generated images can then be used without any reference to the LGPL license.
 * It is not even necessary to stipulate that they have been generated with PlantUML,
 * although this will be appreciated by the PlantUML team.
 *
 * There is an exception : if the textual description in PlantUML language is also covered
 * by any license, then the generated images are logically covered
 * by the very same license.
 *
 * This is the IGY distribution (Install GraphViz by Yourself).
 * You have to install GraphViz and to setup the GRAPHVIZ_DOT environment variable
 * (see https://plantuml.com/graphviz-dot )
 *
 * Icons provided by OpenIconic :  https://useiconic.com/open
 * Archimate sprites provided by Archi :  http://www.archimatetool.com
 * Stdlib AWS provided by https://github.com/milo-minderbinder/AWS-PlantUML
 * Stdlib Icons provided https://github.com/tupadr3/plantuml-icon-font-sprites
 * ASCIIMathML (c) Peter Jipsen http://www.chapman.edu/~jipsen
 * ASCIIMathML (c) David Lippman http://www.pierce.ctc.edu/dlippman
 * CafeUndZopfli ported by Eugene Klyuchnikov https://github.com/eustas/CafeUndZopfli
 * Brotli (c) by the Brotli Authors https://github.com/google/brotli
 * Themes (c) by Brett Schwarz https://github.com/bschwarz/puml-themes
 * Twemoji (c) by Twitter at https://twemoji.twitter.com/
 *
 */
package net.sourceforge.plantuml.timingdiagram;

import java.math.BigDecimal;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.GregorianCalendar;
import java.util.TimeZone;

public final class TimingFormat {
	private static final TimeZone GMT = TimeZone.getTimeZone("GMT");
	private static final GregorianCalendar gc = new GregorianCalendar(TimingFormat.GMT);

	public static final TimingFormat DECIMAL = new TimingFormat(null);
	public static final TimingFormat HOUR = new TimingFormat(null);
	public static final TimingFormat DATE = new TimingFormat(null);

	private final SimpleDateFormat sdf;

	private TimingFormat(SimpleDateFormat sdf) {
		this.sdf = sdf;
	}

	public static TimingFormat create(SimpleDateFormat sdf) {
		return new TimingFormat(sdf);
	}

	public String formatTime(BigDecimal time) {
		if (this == HOUR || this == DATE || sdf != null)
			return formatTime(time.longValueExact());

		return time.toPlainString();
	}

	public String formatTime(long time) {
		if (sdf != null)
			return sdf.format(time * 1000L);

		if (this == HOUR) {
			final int s = (int) time % 60;
			final int m = (int) (time / 60) % 60;
			final int h = (int) (time / 3600);
			return String.format("%d:%02d:%02d", h, m, s);
		}
		if (this == DATE) {
			final int yyyy;
			final int mm;
			final int dd;
			synchronized (gc) {
				gc.setTimeInMillis(time * 1000L);
				yyyy = gc.get(Calendar.YEAR);
				mm = gc.get(Calendar.MONTH) + 1;
				dd = gc.get(Calendar.DAY_OF_MONTH);
			}
			// return String.format("%04d/%02d/%02d", yyyy, mm, dd);
			return String.format("%02d/%02d", mm, dd);
		}
		return "" + time;
	}

	public static TimeTick createDate(int yyyy, int mm, int dd, TimingFormat format) {
		final long timeInMillis;
		synchronized (gc) {
			gc.setTimeInMillis(0);
			gc.set(yyyy, mm - 1, dd);
			timeInMillis = gc.getTimeInMillis() / 1000L;
		}
		return new TimeTick(new BigDecimal(timeInMillis), format);
	}

}