mirror of https://github.com/octoleo/plantuml.git
131 lines
4.1 KiB
Java
131 lines
4.1 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 2009-2017, 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;
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import java.io.File;
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import java.io.IOException;
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import java.util.Collections;
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import java.util.List;
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import java.util.Map;
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import java.util.Set;
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import java.util.TreeMap;
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import java.util.concurrent.Callable;
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import java.util.concurrent.ConcurrentHashMap;
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import java.util.concurrent.ExecutorService;
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import java.util.concurrent.Executors;
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import java.util.concurrent.Future;
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import java.util.concurrent.TimeUnit;
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import net.sourceforge.plantuml.preproc.FileWithSuffix;
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public class DirWatcher2 {
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final private File dir;
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final private Option option;
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final private String pattern;
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final private Map<File, FileWatcher> modifieds = new ConcurrentHashMap<File, FileWatcher>();
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final private ExecutorService executorService;
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public DirWatcher2(File dir, Option option, String pattern) {
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this.dir = dir;
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this.option = option;
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this.pattern = pattern;
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final int nb = Option.defaultNbThreads();
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this.executorService = Executors.newFixedThreadPool(nb);
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}
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public Map<File, Future<List<GeneratedImage>>> buildCreatedFiles() throws IOException, InterruptedException {
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final Map<File, Future<List<GeneratedImage>>> result = new TreeMap<File, Future<List<GeneratedImage>>>();
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if (dir.listFiles() != null) {
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for (final File f : dir.listFiles()) {
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if (f.isFile() == false) {
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continue;
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}
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if (fileToProcess(f.getName()) == false) {
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continue;
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}
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final FileWatcher watcher = modifieds.get(f);
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if (watcher == null || watcher.hasChanged()) {
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final SourceFileReader sourceFileReader = new SourceFileReader(option.getDefaultDefines(f), f,
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option.getOutputDir(), option.getConfig(), option.getCharset(),
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option.getFileFormatOption());
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modifieds.put(f, new FileWatcher(Collections.singleton(f)));
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final Future<List<GeneratedImage>> value = executorService
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.submit(new Callable<List<GeneratedImage>>() {
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public List<GeneratedImage> call() throws Exception {
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try {
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final List<GeneratedImage> generatedImages = sourceFileReader
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.getGeneratedImages();
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final Set<File> files = FileWithSuffix.convert(sourceFileReader
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.getIncludedFiles());
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files.add(f);
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modifieds.put(f, new FileWatcher(files));
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return Collections.unmodifiableList(generatedImages);
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} catch (Exception e) {
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e.printStackTrace();
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return Collections.emptyList();
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}
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}
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});
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result.put(f, value);
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}
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}
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}
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return Collections.unmodifiableMap(result);
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}
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private boolean fileToProcess(String name) {
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return name.matches(pattern);
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}
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public final File getDir() {
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return dir;
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}
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public void cancel() {
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executorService.shutdownNow();
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}
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public void waitEnd() throws InterruptedException {
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executorService.shutdown();
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executorService.awaitTermination(Long.MAX_VALUE, TimeUnit.MILLISECONDS);
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}
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}
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