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// Copyright (C) 2011 The Android Open Source Project
//
// Licensed 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 com.google.gerrit.testing;
import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
public class TempFileUtil {
private static List<File> allDirsCreated = new ArrayList<>();
public static synchronized File createTempDirectory() throws IOException {
File tmp = File.createTempFile("gerrit_test_", "").getCanonicalFile();
if (!tmp.delete() || !tmp.mkdir()) {
throw new IOException("Cannot create " + tmp.getPath());
}
allDirsCreated.add(tmp);
return tmp;
}
public static synchronized void cleanup() throws IOException {
for (File dir : allDirsCreated) {
recursivelyDelete(dir);
}
allDirsCreated.clear();
}
public static void recursivelyDelete(File dir) throws IOException {
if (!dir.getPath().equals(dir.getCanonicalPath())) {
// Directory symlink reaching outside of temporary space.
return;
}
File[] contents = dir.listFiles();
if (contents != null) {
for (File d : contents) {
if (d.isDirectory()) {
recursivelyDelete(d);
} else {
deleteNowOrOnExit(d);
}
}
}
deleteNowOrOnExit(dir);
}
private static void deleteNowOrOnExit(File dir) {
if (!dir.delete()) {
dir.deleteOnExit();
}
}
private TempFileUtil() {}
}
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