CrashDiagram.java

/* ========================================================================
 * PlantUML : a free UML diagram generator
 * ========================================================================
 *
 * (C) Copyright 2009-2024, Arnaud Roques
 *
 * Project Info:  https://plantuml.com
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 * under the terms of the GNU General Public License as published by
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 * License for more details.
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 * 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.crash;

import net.sourceforge.plantuml.FileFormatOption;
import net.sourceforge.plantuml.TitledDiagram;
import net.sourceforge.plantuml.core.DiagramDescription;
import net.sourceforge.plantuml.core.DiagramType;
import net.sourceforge.plantuml.core.UmlSource;
import net.sourceforge.plantuml.klimt.creole.Display;
import net.sourceforge.plantuml.klimt.font.FontConfiguration;
import net.sourceforge.plantuml.klimt.font.UFontFactory;
import net.sourceforge.plantuml.klimt.geom.HorizontalAlignment;
import net.sourceforge.plantuml.klimt.shape.TextBlock;
import net.sourceforge.plantuml.preproc.PreprocessingArtifact;

public class CrashDiagram extends TitledDiagram {

	private CrashType type;

	public DiagramDescription getDescription() {
		return new DiagramDescription("Crash Diagram");
	}

	public CrashDiagram(UmlSource source, PreprocessingArtifact preprocessing) {
		super(source, DiagramType.BPM, null, preprocessing);
	}

	@Override
	public TextBlock getTextBlock12026(int num, FileFormatOption fileFormatOption) throws Exception {
		if (type == CrashType.DRAWING)
			throw new IllegalStateException("This is a normal crash when DRAWING");

		final Display display = Display.create("<b>Crash Diagram</b>", //
				"", //
				"This diagram is only used to test crash handling.", //
				"", //
				"There are three types of crash:", //
				"  \u2022 During <b>parsing</b>", //
				"  \u2022 During <b>finalizing</b>", //
				"  \u2022 During <b>drawing</b>", //
				"", //
				"The purpose is to verify that PlantUML error recovery", //
				"mechanisms work correctly, using a diagram whose", //
				"behavior is predictable <i>(it crashes)</i>.", "", //
				"To do so, you should the following directive:", //
				"  \u2022 \"\"crash when parsing\"\"", //
				"  \u2022 \"\"crash when finalizing\"\"", //
				"  \u2022 \"\"crash when drawing\"\"", //
				"");

		return display.create(FontConfiguration.blackBlueTrue(UFontFactory.sansSerif(14)), HorizontalAlignment.LEFT,
				getSkinParam());
	}

	public void setCrashType(CrashType type) {
		this.type = type;

	}

	public CrashType getCrashType() {
		return type;
	}

	@Override
	public String checkFinalError() {
		if (type == CrashType.FINALIZING)
			throw new IllegalStateException("This is a normal crash when FINALIZING");

		return super.checkFinalError();
	}

}