| /* |
| * 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 org.apache.logging.log4j.test.junit; |
| |
| import java.io.IOException; |
| import java.io.InterruptedIOException; |
| import java.nio.file.Files; |
| import java.nio.file.Path; |
| import java.util.Collection; |
| import java.util.Map; |
| import java.util.concurrent.ConcurrentHashMap; |
| import java.util.concurrent.TimeUnit; |
| import java.util.stream.Collectors; |
| |
| import org.junit.jupiter.api.extension.AfterEachCallback; |
| import org.junit.jupiter.api.extension.BeforeEachCallback; |
| import org.junit.jupiter.api.extension.ExtensionContext; |
| |
| import static org.junit.jupiter.api.Assertions.fail; |
| |
| abstract class AbstractFileCleaner implements BeforeEachCallback, AfterEachCallback { |
| |
| private static final int MAX_TRIES = Integer.getInteger("log4j2.junit.fileCleanerMaxTries", 10); |
| |
| private static final int SLEEP_PERIOD_MILLIS = Integer.getInteger("log4j2.junit.fileCleanerSleepPeriodMillis", 200); |
| |
| @Override |
| public void beforeEach(final ExtensionContext context) throws Exception { |
| clean(context); |
| } |
| |
| @Override |
| public void afterEach(final ExtensionContext context) throws Exception { |
| clean(context); |
| } |
| |
| private void clean(final ExtensionContext context) { |
| final Collection<Path> paths = getPathsForTest(context); |
| if (paths.isEmpty()) { |
| return; |
| } |
| final Map<Path, IOException> failures = new ConcurrentHashMap<>(); |
| for (final Path path : paths) { |
| if (Files.exists(path)) { |
| for (int i = 0; i < MAX_TRIES; i++) { |
| try { |
| if (delete(path)) { |
| failures.remove(path); |
| break; |
| } |
| } catch (final IOException e) { |
| failures.put(path, e); |
| } |
| try { |
| TimeUnit.MILLISECONDS.sleep(SLEEP_PERIOD_MILLIS); |
| } catch (final InterruptedException ignored) { |
| failures.put(path, new InterruptedIOException()); |
| Thread.currentThread().interrupt(); |
| break; |
| } |
| } |
| } |
| } |
| if (!failures.isEmpty()) { |
| final String message = failures.entrySet().stream() |
| .map(e -> e.getKey() + " failed with " + e.getValue()) |
| .collect(Collectors.joining(", ")); |
| fail(message); |
| } |
| } |
| |
| abstract Collection<Path> getPathsForTest(final ExtensionContext context); |
| |
| abstract boolean delete(final Path path) throws IOException; |
| } |