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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.dot;

import java.io.File;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;

public class GraphvizVersions {
	// ::remove file when __CORE__

	private final static GraphvizVersions singleton = new GraphvizVersions();

	private final Map map = new ConcurrentHashMap();

	private GraphvizVersions() {
	}

	public static GraphvizVersions getInstance() {
		return singleton;
	}

	public GraphvizVersion getVersion(File f) {
		if (f == null)
			return null;

		GraphvizVersion result = map.get(f);
		if (result != null)
			return result;

		result = checkVersionSlow(f.getAbsolutePath());
		map.put(f, result);
		return result;
	}

	static GraphvizVersion checkVersionSlow(String pathExecutable) {
		final GraphvizVersionFinder finder = new GraphvizVersionFinder(new File(pathExecutable));
		return finder.getVersion();
	}

}