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/*
* SonarQube
* Copyright (C) 2009-2025 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.sonar.scanner.scan;
import java.io.IOException;
import java.nio.file.DirectoryStream;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.Iterator;
import java.util.Objects;
import org.sonar.api.batch.fs.internal.AbstractProjectOrModule;
import org.sonar.api.batch.fs.internal.DefaultInputModule;
import org.sonar.api.batch.fs.internal.DefaultInputProject;
import org.sonar.core.util.FileUtils;
import org.sonar.scanner.fs.InputModuleHierarchy;
/**
* Clean and create working directories of each module, except the root.
* Be careful that sub module work dir might be nested in parent working directory.
*/
public class WorkDirectoriesInitializer {
public void execute(InputModuleHierarchy moduleHierarchy) {
DefaultInputModule root = moduleHierarchy.root();
// dont apply to root. Root is done by InputProjectProvider
for (DefaultInputModule sub : moduleHierarchy.children(root)) {
if (!Objects.equals(root.getWorkDir(), sub.getWorkDir())) {
cleanAllWorkingDirs(moduleHierarchy, sub);
mkdirsAllWorkingDirs(moduleHierarchy, sub);
}
}
}
public void execute(DefaultInputProject project) {
cleanWorkingDir(project);
mkdirWorkingDir(project);
}
private static void cleanAllWorkingDirs(InputModuleHierarchy moduleHierarchy, DefaultInputModule module) {
for (DefaultInputModule sub : moduleHierarchy.children(module)) {
cleanAllWorkingDirs(moduleHierarchy, sub);
}
cleanWorkingDir(module);
}
private static void cleanWorkingDir(AbstractProjectOrModule projectOrModule) {
if (Files.exists(projectOrModule.getWorkDir())) {
deleteAllRecursivelyExceptLockFile(projectOrModule.getWorkDir());
}
}
private static void mkdirsAllWorkingDirs(InputModuleHierarchy moduleHierarchy, DefaultInputModule module) {
for (DefaultInputModule sub : moduleHierarchy.children(module)) {
mkdirsAllWorkingDirs(moduleHierarchy, sub);
}
mkdirWorkingDir(module);
}
private static void mkdirWorkingDir(AbstractProjectOrModule projectOrModule) {
try {
Files.createDirectories(projectOrModule.getWorkDir());
} catch (Exception e) {
throw new IllegalStateException("Fail to create working dir: " + projectOrModule.getWorkDir(), e);
}
}
private static void deleteAllRecursivelyExceptLockFile(Path dirToDelete) {
try (DirectoryStream<Path> stream = list(dirToDelete)) {
Iterator<Path> it = stream.iterator();
while (it.hasNext()) {
FileUtils.deleteQuietly(it.next().toFile());
}
} catch (IOException e) {
throw new IllegalStateException("Failed to clean working directory: " + dirToDelete.toString(), e);
}
}
private static DirectoryStream<Path> list(Path dir) throws IOException {
return Files.newDirectoryStream(dir, entry -> !DirectoryLock.LOCK_FILE_NAME.equals(entry.getFileName().toString()));
}
}
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