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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.
package net.sourceforge.plantuml.plasma;

import java.util.Collection;
import java.util.Collections;
import java.util.LinkedHashMap;
import java.util.Map;

public class Quark {

	private final Plasma plasma;
	private final Quark parent;
	private final String name;
	private DATA data;
	private final Map> children = new LinkedHashMap<>();
	private final String qualifiedName;

	Quark(Plasma plasma, Quark parent, String name) {
		this.name = name;
		this.plasma = plasma;
		this.parent = parent;
		if (parent == null || parent.parent == null)
			this.qualifiedName = name;
		else
			this.qualifiedName = parent.qualifiedName + plasma.getSeparator() + name;
		this.plasma.register(this);
	}

	public Quark getParent() {
		return parent;
	}

	@Override
	public String toString() {
		return qualifiedName;
	}

	public String toStringPoint() {
		if (parent == null || parent.parent == null)
			return name;

		return parent.toStringPoint() + "." + name;
	}

	public String getName() {
		return name;
	}

	public String getQualifiedName() {
		return qualifiedName;
	}

	public boolean isRoot() {
		return parent == null;
	}

	public final Plasma getPlasma() {
		return plasma;
	}

	public final DATA getData() {
		return data;
	}

	public final void setData(DATA data) {
		if (this.data != null)
			throw new IllegalStateException();
		this.data = data;
	}

	public Quark childIfExists(String name) {
		if (plasma.hasSeparator() && name.contains(plasma.getSeparator()))
			throw new IllegalArgumentException();
		return children.get(name);
	}

	public Quark child(String full) {
		if (plasma.hasSeparator() == false)
			return getDirectChild(full);

		full = clean(full);
		final String separator = plasma.getSeparator();
		Quark current = this;
		while (true) {
			int idx = full.indexOf(separator);
			if (idx == -1)
				return current.getDirectChild(full);

			final String first = full.substring(0, idx);
			current = current.getDirectChild(first);
			full = clean(full.substring(idx + separator.length()));
		}
	}

	private Quark getDirectChild(String name) {
		Quark result = children.get(name);
		if (result == null) {
			result = new Quark(plasma, this, name);
			children.put(name, result);
		}
		return result;
	}

	private String clean(String full) {
		final String separator = plasma.getSeparator();
		while (full.startsWith(separator))
			full = full.substring(separator.length());
		while (full.endsWith(separator))
			full = full.substring(0, full.length() - separator.length());

		return full;
	}

	public Collection> getChildren() {
		return Collections.unmodifiableCollection(children.values());
	}

	public int countChildren() {
		return children.size();
	}

}