TimeRange.java

/* ========================================================================
 * PlantUML : a free UML diagram generator
 * ========================================================================
 *
 * (C) Copyright 2009-2024, Arnaud Roques
 *
 * Project Info:  https://plantuml.com
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 * PlantUML distributed in the hope that it will be useful, but
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 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
 * License for more details.
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 * You should have received a copy of the GNU General Public
 * License along with this library; if not, write to the Free Software
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 * Original Author:  Arnaud Roques
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 */
package net.sourceforge.plantuml.gantt.core;

import java.time.Duration;
import java.time.LocalTime;

public class TimeRange {

	private final LocalTime start;
	private final LocalTime end;

	public TimeRange(String start, String end) {
		this(parse(start), parse(end));
	}

	public TimeRange(LocalTime start, LocalTime end) {
		this.start = start;
		this.end = end;
	}

	private static LocalTime parse(String time) {
		final int index = time.indexOf(':');
		if (index == -1)
			throw new IllegalArgumentException("Invalid time: " + time);

		try {
			final int hour = Integer.parseInt(time.substring(0, index).trim());
			final int minute = Integer.parseInt(time.substring(index + 1).trim());
			return LocalTime.of(hour, minute);
		} catch (Exception e) {
			return null;
		}
	}

	public LocalTime getStart() {
		return start;
	}

	public LocalTime getEnd() {
		return end;
	}

	public boolean contains(LocalTime time) {
		if (time == null)
			return false;
		return time.isBefore(start) == false && time.isBefore(end);
	}

	@Override
	public String toString() {
		return start + "-" + end;
	}

	public Duration getDuration() {
		return Duration.between(getStart(), getEnd());
	}

}