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plantuml/src/net/sourceforge/plantuml/timingdiagram/TimingFormat.java
2022-05-27 16:18:47 +02:00

105 lines
3.1 KiB
Java

/* ========================================================================
* PlantUML : a free UML diagram generator
* ========================================================================
*
* (C) Copyright 2009-2023, Arnaud Roques
*
* Project Info: http://plantuml.com
*
* If you like this project or if you find it useful, you can support us at:
*
* http://plantuml.com/patreon (only 1$ per month!)
* http://plantuml.com/paypal
*
* This file is part of PlantUML.
*
* PlantUML is free software; you can redistribute it and/or modify it
* under the terms of the GNU 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 General Public
* License for more details.
*
* You should have received a copy of the GNU General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
* USA.
*
*
* Original Author: Arnaud Roques
*
*/
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);
}
}