TimeRanges.java

/* ========================================================================
 * 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.core;

import java.time.Duration;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Iterator;
import java.util.List;

public class TimeRanges implements Iterable<TimeRange> {

	private final List<TimeRange> timeRanges = new ArrayList<>();

	public TimeRanges(TimeRange... data) {
		for (TimeRange tr : data)
			timeRanges.add(tr);
	}

	public boolean hasWorkingTimeRanges() {
		return timeRanges.size() > 0;
	}

	public void add(TimeRange timeRange) {
		this.timeRanges.add(timeRange);
	}

	@Override
	public String toString() {
		return timeRanges.toString();
	}

	@Override
	public Iterator<TimeRange> iterator() {
		return Collections.unmodifiableCollection(timeRanges).iterator();
	}

	public Duration totalWorkingDuration() {
		Duration working = Duration.ZERO;
		for (TimeRange range : this)
			working = working.plus(Duration.between(range.getStart(), range.getEnd()));
		return working;
	}

	public Duration durationOfDays(int totalDays) {
		if (hasWorkingTimeRanges())
			return totalWorkingDuration().multipliedBy(totalDays);

		return Duration.ofDays(totalDays);
	}

}