mirror of https://github.com/octoleo/plantuml.git
123 lines
3.5 KiB
Java
123 lines
3.5 KiB
Java
/* ========================================================================
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* PlantUML : a free UML diagram generator
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* ========================================================================
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*
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* (C) Copyright 2009-2023, Arnaud Roques
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*
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* Project Info: http://plantuml.com
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*
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* If you like this project or if you find it useful, you can support us at:
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*
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* http://plantuml.com/patreon (only 1$ per month!)
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* http://plantuml.com/paypal
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*
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* This file is part of PlantUML.
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*
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* PlantUML is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* PlantUML distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
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* License for more details.
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*
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* You should have received a copy of the GNU General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
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* USA.
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*
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*
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* Original Author: Arnaud Roques
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*
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*
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*/
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package net.sourceforge.plantuml.stats;
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import java.util.ArrayList;
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import java.util.Collections;
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import java.util.Comparator;
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import java.util.List;
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import java.util.prefs.BackingStoreException;
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import java.util.prefs.Preferences;
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import net.sourceforge.plantuml.log.Logger;
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import net.sourceforge.plantuml.version.Version;
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public class HistoricalData {
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final private Preferences prefs;
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private ParsedGenerated current;
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final private List<ParsedGenerated> historical = new ArrayList<>();
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HistoricalData(Preferences prefs) {
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this.prefs = prefs;
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try {
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historical.addAll(reload());
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} catch (BackingStoreException e) {
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Logger.error(e);
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}
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Collections.sort(historical, getIdComparator());
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}
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public void reset() {
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char currentCode = (char) ('A' + historical.size());
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if (historical.size() > 7) {
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final ParsedGenerated last = historical.get(0);
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final String lastName = last.parsed().getName();
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currentCode = lastName.charAt("histo.".length());
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}
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this.current = ParsedGenerated.loadDated(prefs, "histo." + currentCode);
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this.current.reset();
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final long maxId = getMaxId();
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this.current.parsedDated().setComment(Long.toString(maxId + 1, 36) + "/" + Version.versionString());
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}
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private long getMaxId() {
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long v = 0;
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for (ParsedGenerated histo : historical) {
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v = Math.max(v, histo.getId());
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}
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return v;
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}
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private Comparator<? super ParsedGenerated> getIdComparator() {
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return new Comparator<ParsedGenerated>() {
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public int compare(ParsedGenerated v1, ParsedGenerated v2) {
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final long time1 = v1.getId();
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final long time2 = v2.getId();
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if (time1 > time2) {
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return 1;
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}
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if (time1 < time2) {
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return -1;
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}
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return 0;
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}
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};
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}
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private List<ParsedGenerated> reload() throws BackingStoreException {
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final List<ParsedGenerated> result = new ArrayList<>();
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final int length = "histo.".length();
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for (String key : prefs.keys()) {
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if (key.startsWith("histo.") && key.endsWith(".p.saved")) {
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final String name = key.substring(length, length + 1);
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final ParsedGenerated load = ParsedGenerated.loadDated(prefs, "histo." + name);
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result.add(load);
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}
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}
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return result;
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}
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public ParsedGenerated current() {
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return current;
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}
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public List<ParsedGenerated> getHistorical() {
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return Collections.unmodifiableList(historical);
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}
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}
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