org.sonarsource.scanner.api.internal.TempCleaning Maven / Gradle / Ivy
/*
* SonarQube Scanner API
* Copyright (C) 2011-2021 SonarSource SA
* mailto:info AT sonarsource DOT com
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3 of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
package org.sonarsource.scanner.api.internal;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.stream.Stream;
import org.sonarsource.scanner.api.Utils;
import org.sonarsource.scanner.api.internal.cache.Logger;
/**
* The file sonar-runner-batch.jar is locked by the classloader on Windows and can't be dropped at the end of the execution.
* See {@link IsolatedLauncherFactory}
*/
class TempCleaning {
static final int ONE_DAY_IN_MILLISECONDS = 24 * 60 * 60 * 1000;
final Path tempDir;
private final Logger logger;
TempCleaning(Logger logger) {
this(Paths.get(System.getProperty("java.io.tmpdir")), logger);
}
/**
* For unit tests
*/
TempCleaning(Path tempDir, Logger logger) {
this.logger = logger;
this.tempDir = tempDir;
}
void clean() {
logger.debug("Start temp cleaning...");
long cutoff = System.currentTimeMillis() - ONE_DAY_IN_MILLISECONDS;
try (Stream files = Files.list(tempDir)) {
files
.filter(p -> p.getFileName().toString().startsWith("sonar-scanner-api-batch"))
.filter(p -> lastModifiedTime(p) < cutoff)
.forEach(Utils::deleteQuietly);
logger.debug("Temp cleaning done");
} catch (IOException e) {
logger.warn("Failed to clean files in " + tempDir.toString() + ": " + e.getMessage());
}
}
private static long lastModifiedTime(Path file) {
try {
return Files.getLastModifiedTime(file).toMillis();
} catch (IOException e) {
// ignore this file
return System.currentTimeMillis();
}
}
}