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42 changes: 42 additions & 0 deletions
42
src/main/java/ru/olegcherednik/zip4jvm/engine/unzip/DataInputThreadLocal.java
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| package ru.olegcherednik.zip4jvm.engine.unzip; | ||
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| import ru.olegcherednik.zip4jvm.io.in.DataInput; | ||
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| import lombok.RequiredArgsConstructor; | ||
| import org.apache.commons.io.IOUtils; | ||
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| import java.util.List; | ||
| import java.util.concurrent.CopyOnWriteArrayList; | ||
| import java.util.function.Supplier; | ||
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| /** | ||
| * @author Oleg Cherednik | ||
| * @since 28.12.2024 | ||
| */ | ||
| @RequiredArgsConstructor | ||
| public class DataInputThreadLocal<T extends DataInput> extends ThreadLocal<T> { | ||
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| private final Supplier<T> dataInputSup; | ||
| private final List<T> dataInputs = new CopyOnWriteArrayList<>(); | ||
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| public void release() { | ||
| dataInputs.forEach(IOUtils::closeQuietly); | ||
| dataInputs.clear(); | ||
| } | ||
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| // ---------- ThreadLocal ---------- | ||
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| @Override | ||
| public T get() { | ||
| T in = super.get(); | ||
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| if (in == null) { | ||
| in = dataInputSup.get(); | ||
| set(in); | ||
| dataInputs.add(in); | ||
| } | ||
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| return in; | ||
| } | ||
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| } |
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103 changes: 103 additions & 0 deletions
103
src/main/java/ru/olegcherednik/zip4jvm/engine/unzip/UnzipExtractAsyncEngine.java
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| Original file line number | Diff line number | Diff line change |
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| /* | ||
| * Licensed to the Apache Software Foundation (ASF) under one | ||
| * or more contributor license agreements. See the NOTICE file | ||
| * distributed with this work for additional information | ||
| * regarding copyright ownership. The ASF licenses this file | ||
| * to you 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. | ||
| */ | ||
| package ru.olegcherednik.zip4jvm.engine.unzip; | ||
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| import ru.olegcherednik.zip4jvm.io.in.file.consecutive.ConsecutiveAccessDataInput; | ||
| import ru.olegcherednik.zip4jvm.model.ZipModel; | ||
| import ru.olegcherednik.zip4jvm.model.entry.ZipEntry; | ||
| import ru.olegcherednik.zip4jvm.model.password.PasswordProvider; | ||
| import ru.olegcherednik.zip4jvm.utils.quitely.Quietly; | ||
| import ru.olegcherednik.zip4jvm.utils.quitely.functions.RunnableWithException; | ||
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| import java.nio.file.Path; | ||
| import java.util.Iterator; | ||
| import java.util.LinkedList; | ||
| import java.util.List; | ||
| import java.util.Map; | ||
| import java.util.Optional; | ||
| import java.util.concurrent.CompletableFuture; | ||
| import java.util.concurrent.Executor; | ||
| import java.util.concurrent.ExecutorService; | ||
| import java.util.concurrent.ForkJoinPool; | ||
| import java.util.concurrent.ForkJoinWorkerThread; | ||
| import java.util.concurrent.atomic.AtomicInteger; | ||
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| /** | ||
| * @author Oleg Cherednik | ||
| * @since 28.12.2024 | ||
| */ | ||
| public class UnzipExtractAsyncEngine extends UnzipExtractEngine { | ||
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| public UnzipExtractAsyncEngine(PasswordProvider passwordProvider, ZipModel zipModel) { | ||
| super(passwordProvider, zipModel); | ||
| } | ||
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| // ---------- UnzipExtractEngine ---------- | ||
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| @Override | ||
| protected void extractEntry(Path dstDir, Map<String, String> map) { | ||
| List<CompletableFuture<Void>> tasks = new LinkedList<>(); | ||
| Iterator<ZipEntry> it = zipModel.absOffsAscIterator(); | ||
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| DataInputThreadLocal<ConsecutiveAccessDataInput> threadLocalDataInput = | ||
| new DataInputThreadLocal<>(this::createConsecutiveDataInput); | ||
| ExecutorService executor = createExecutor(); | ||
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| try { | ||
| while (it.hasNext()) { | ||
| ZipEntry zipEntry = it.next(); | ||
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| if (map != null && !map.containsKey(zipEntry.getFileName())) | ||
| continue; | ||
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| String fileName = Optional.ofNullable(map) | ||
| .map(m -> m.get(zipEntry.getFileName())) | ||
| .orElse(zipEntry.getFileName()); | ||
| Path file = dstDir.resolve(fileName); | ||
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| CompletableFuture<Void> task = createCompletableFuture( | ||
| () -> extractEntry(file, zipEntry, threadLocalDataInput.get()), executor); | ||
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| tasks.add(task); | ||
| } | ||
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| tasks.forEach(CompletableFuture::join); | ||
| } finally { | ||
| threadLocalDataInput.release(); | ||
| executor.shutdown(); | ||
| } | ||
| } | ||
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| protected ExecutorService createExecutor() { | ||
| AtomicInteger counter = new AtomicInteger(); | ||
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| ForkJoinPool.ForkJoinWorkerThreadFactory factory = pool -> { | ||
| ForkJoinWorkerThread thread = ForkJoinPool.defaultForkJoinWorkerThreadFactory.newThread(pool); | ||
| thread.setName(String.format("zip4jvm-extract-%02d", counter.incrementAndGet())); | ||
| return thread; | ||
| }; | ||
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| return new ForkJoinPool(Runtime.getRuntime().availableProcessors(), factory, null, false); | ||
| } | ||
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| protected CompletableFuture<Void> createCompletableFuture(RunnableWithException task, Executor executor) { | ||
| return CompletableFuture.runAsync(() -> Quietly.doRuntime(task), executor); | ||
| } | ||
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| } |
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