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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.
/* +=======================================================================
 * |
 * |      PlantUML : a free UML diagram generator
 * |
 * +=======================================================================
 *
 * (C) Copyright 2009-2024, Arnaud Roques
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 * Project Info:  https://plantuml.com
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 * 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
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 * 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.
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 * 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.
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 * (see https://plantuml.com/graphviz-dot )
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 * Archimate sprites provided by Archi :  http://www.archimatetool.com
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 * 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.xmi;

import javax.xml.parsers.ParserConfigurationException;

import org.w3c.dom.Element;

import net.sourceforge.plantuml.abel.Entity;
import net.sourceforge.plantuml.abel.Link;
import net.sourceforge.plantuml.classdiagram.ClassDiagram;
import net.sourceforge.plantuml.decoration.LinkDecor;
import net.sourceforge.plantuml.klimt.creole.Display;

public class XmiClassDiagramStar extends XmiClassDiagramAbstract implements XmlDiagramTransformer {

	public XmiClassDiagramStar(ClassDiagram classDiagram) throws ParserConfigurationException {
		super(classDiagram);

		for (final Entity ent : classDiagram.leafs()) {
			final Element cla = createEntityNode(ent);
			if (cla == null)
				continue;

			ownedElementRoot.appendChild(cla);
			done.add(ent);
		}

		for (final Link link : classDiagram.getLinks())
			addLink(link);

	}

	private void addLink(Link link) {
		if (link.isHidden() || link.isInvis())
			return;

		final String assId = "ass" + classDiagram.getUniqueSequence();
		if (link.getType().getDecor1() == LinkDecor.EXTENDS || link.getType().getDecor2() == LinkDecor.EXTENDS) {
			addExtension(link, assId);
			return;
		}
		final Element association = document.createElement("UML:Association");
		association.setAttribute("xmi.id", assId);
		association.setAttribute("namespace", CucaDiagramXmiMaker.getModel(classDiagram));
		if (Display.isNull(link.getLabel()) == false)
			association.setAttribute("name", forXMI(link.getLabel()));

		final Element connection = document.createElement("UML:Association.connection");
		final Element end1 = document.createElement("UML:AssociationEnd");
		end1.setAttribute("xmi.id", "end" + classDiagram.getUniqueSequence());
		end1.setAttribute("association", assId);
		end1.setAttribute("type", link.getEntity1().getUid());
		if (link.getQuantifier1() != null)
			end1.setAttribute("name", forXMI(link.getQuantifier1()));

		final Element endparticipant1 = document.createElement("UML:AssociationEnd.participant");

		if (link.getType().getDecor2() == LinkDecor.COMPOSITION)
			end1.setAttribute("aggregation", "composite");

		if (link.getType().getDecor2() == LinkDecor.AGREGATION)
			end1.setAttribute("aggregation", "aggregate");

		end1.appendChild(endparticipant1);
		connection.appendChild(end1);

		final Element end2 = document.createElement("UML:AssociationEnd");
		end2.setAttribute("xmi.id", "end" + classDiagram.getUniqueSequence());
		end2.setAttribute("association", assId);
		end2.setAttribute("type", link.getEntity2().getUid());
		if (link.getQuantifier2() != null)
			end2.setAttribute("name", forXMI(link.getQuantifier2()));

		final Element endparticipant2 = document.createElement("UML:AssociationEnd.participant");

		if (link.getType().getDecor1() == LinkDecor.COMPOSITION)
			end2.setAttribute("aggregation", "composite");

		if (link.getType().getDecor1() == LinkDecor.AGREGATION)
			end2.setAttribute("aggregation", "aggregate");

		end2.appendChild(endparticipant2);
		connection.appendChild(end2);

		association.appendChild(connection);

		ownedElementRoot.appendChild(association);

	}

	private void addExtension(Link link, String assId) {
		final Element association = document.createElement("UML:Generalization");
		association.setAttribute("xmi.id", assId);
		association.setAttribute("namespace", CucaDiagramXmiMaker.getModel(classDiagram));
		if (link.getLabel() != null)
			association.setAttribute("name", forXMI(link.getLabel()));

		if (link.getType().getDecor1() == LinkDecor.EXTENDS) {
			association.setAttribute("child", link.getEntity1().getUid());
			association.setAttribute("parent", link.getEntity2().getUid());
		} else if (link.getType().getDecor2() == LinkDecor.EXTENDS) {
			association.setAttribute("child", link.getEntity2().getUid());
			association.setAttribute("parent", link.getEntity1().getUid());
		} else {
			throw new IllegalStateException();
		}
		ownedElementRoot.appendChild(association);

	}

}