org.sonarsource.sonarlint.core.plugin.DefaultPluginJarExploder Maven / Gradle / Ivy
/*
* SonarLint Core - Implementation
* Copyright (C) 2016-2021 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.sonarlint.core.plugin;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.nio.channels.FileLock;
import java.nio.file.Path;
import org.apache.commons.io.FileUtils;
import org.sonar.api.utils.ZipUtils;
import org.sonarsource.api.sonarlint.SonarLintSide;
import org.sonarsource.sonarlint.core.plugin.cache.PluginCache;
@SonarLintSide
public class DefaultPluginJarExploder extends PluginJarExploder {
private final PluginCache fileCache;
public DefaultPluginJarExploder(PluginCache fileCache) {
this.fileCache = fileCache;
}
@Override
public ExplodedPlugin explode(PluginInfo info) {
try {
File dir = unzipFile(info.getNonNullJarFile());
return explodeFromUnzippedDir(info.getKey(), info.getNonNullJarFile(), dir);
} catch (Exception e) {
throw new IllegalStateException(String.format("Fail to open plugin [%s]: %s", info.getKey(), info.getNonNullJarFile().getAbsolutePath()), e);
}
}
private File unzipFile(File cachedFile) throws IOException {
String filename = cachedFile.getName();
File destDir = new File(cachedFile.getParentFile(), filename + "_unzip");
if (!destDir.exists()) {
File lockFile = new File(cachedFile.getParentFile(), filename + "_unzip.lock");
FileOutputStream out = new FileOutputStream(lockFile);
try (FileLock lock = out.getChannel().lock()) {
// Recheck in case of concurrent processes
if (!destDir.exists()) {
Path tempDir = fileCache.createTempDir();
ZipUtils.unzip(cachedFile, tempDir.toFile(), newLibFilter());
FileUtils.moveDirectory(tempDir.toFile(), destDir);
}
} finally {
out.close();
FileUtils.deleteQuietly(lockFile);
}
}
return destDir;
}
}