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PlantUML is a component that allows to quickly write diagrams from text.
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// THIS FILE HAS BEEN GENERATED BY A PREPROCESSOR.
/* +=======================================================================
 * |
 * |      PlantUML : a free UML diagram generator
 * |
 * +=======================================================================
 *
 * (C) Copyright 2009-2024, Arnaud Roques
 *
 * Project Info:  https://plantuml.com
 *
 * If you like this project or if you find it useful, you can support us at:
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 *
 * PlantUML is free software; you can redistribute it and/or modify it
 * under the terms of the Apache Software License.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * 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
 *
 * 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 APACHE license.
 *
 * The generated images can then be used without any reference to the APACHE license.
 * It is not even necessary to stipulate that they have been generated with PlantUML,
 * although this will be appreciated by the PlantUML team.
 *
 * There is an exception : if the textual description in PlantUML language is also covered
 * by any license, then the generated images are logically covered
 * by the very same license.
 *
 * This is the IGY distribution (Install GraphViz by Yourself).
 * You have to install GraphViz and to setup the GRAPHVIZ_DOT environment variable
 * (see https://plantuml.com/graphviz-dot )
 *
 * Icons provided by OpenIconic :  https://useiconic.com/open
 * Archimate sprites provided by Archi :  http://www.archimatetool.com
 * Stdlib AWS provided by https://github.com/milo-minderbinder/AWS-PlantUML
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 * ASCIIMathML (c) Peter Jipsen http://www.chapman.edu/~jipsen
 * ASCIIMathML (c) David Lippman http://www.pierce.ctc.edu/dlippman
 * CafeUndZopfli ported by Eugene Klyuchnikov https://github.com/eustas/CafeUndZopfli
 * 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.stats;

import java.util.EnumMap;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentMap;
import java.util.prefs.BackingStoreException;
import java.util.prefs.Preferences;

import net.sourceforge.plantuml.FileFormat;
import net.sourceforge.plantuml.api.NumberAnalyzed;
import net.sourceforge.plantuml.log.Logme;
import net.sourceforge.plantuml.stats.api.StatsColumn;
import net.sourceforge.plantuml.stats.api.StatsLine;
import net.sourceforge.plantuml.stats.api.StatsTable;

public class FormatCounter {

	private ConcurrentMap data = new ConcurrentHashMap();

	public FormatCounter(String prefix) {
		for (FileFormat format : FileFormat.values()) {
			final String key = prefix + format.name();
			data.put(format, new NumberAnalyzed(key));
		}

	}

	public void plusOne(FileFormat fileFormat, long duration) {
		final NumberAnalyzed n = data.get(fileFormat);
		n.addValue(duration);
	}

	private StatsLine createLine(String name, NumberAnalyzed n) {
		final Map result = new EnumMap(StatsColumn.class);
		result.put(StatsColumn.FORMAT, name);
		result.put(StatsColumn.GENERATED_COUNT, n.getNb());
		result.put(StatsColumn.GENERATED_MEAN_TIME, n.getMean());
		result.put(StatsColumn.GENERATED_STANDARD_DEVIATION, n.getStandardDeviation());
		result.put(StatsColumn.GENERATED_MAX_TIME, n.getMax());
		return new StatsLineImpl(result);
	}

	public StatsTable getStatsTable(String name) {
		final StatsTableImpl result = new StatsTableImpl(name);
		final NumberAnalyzed total = new NumberAnalyzed();
		for (Map.Entry ent : data.entrySet()) {
			final NumberAnalyzed n = ent.getValue();
			if (n.getNb() > 0) {
				result.addLine(createLine(ent.getKey().name(), n));
				total.add(n);
			}
		}
		result.addLine(createLine("Total", total));
		return result;
	}

	public void reload(String prefix, Preferences prefs) throws BackingStoreException {
		for (String key : prefs.keys()) {
			if (key.startsWith(prefix)) {
				try {
					final String name = removeDotSaved(key);
					final NumberAnalyzed value = NumberAnalyzed.load(name, prefs);
					if (value != null) {
						final String subname = name.substring(prefix.length());
						if (subname.equals("ANIMATED_GIF"))
							continue;
						final FileFormat format = FileFormat.valueOf(subname);
						data.put(format, value);
					}
				} catch (Exception e) {
					Logme.error(e);
				}
			}
		}
	}

	static String removeDotSaved(String key) {
		return key.substring(0, key.length() - ".saved".length());
	}

	public void save(Preferences prefs, FileFormat fileFormat) {
		data.get(fileFormat).save(prefs);
	}

}