/*
* Copyright (c) 2008, 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code 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 General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
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import java.nio.file.*;
import static java.nio.file.StandardOpenOption.*;
import java.io.*;
import java.util.*;
public class DeleteOnClose {
public static void main(String[] args) throws IOException {
// open file but do not close it. Its existance will be checked by
// the calling script.
Files.newByteChannel(Paths.get(args[0]), READ, WRITE, DELETE_ON_CLOSE);
// check temporary file has been deleted after closing it
Path file = Files.createTempFile("blah", "tmp");
Files.newByteChannel(file, READ, WRITE, DELETE_ON_CLOSE).close();
if (Files.exists(file))
throw new RuntimeException("Temporary file was not deleted");
Path dir = Files.createTempDirectory("blah");
try {
// check that DELETE_ON_CLOSE fails when file is a sym link
if (TestUtil.supportsLinks(dir)) {
file = dir.resolve("foo");
Files.createFile(file);
Path link = dir.resolve("link");
Files.createSymbolicLink(link, file);
try {
Files.newByteChannel(link, READ, WRITE, DELETE_ON_CLOSE);
throw new RuntimeException("IOException expected");
} catch (IOException ignore) { }
}
// check that DELETE_ON_CLOSE works with files created via open
// directories
try (DirectoryStream<Path> stream = Files.newDirectoryStream(dir)) {
if (stream instanceof SecureDirectoryStream) {
SecureDirectoryStream<Path> secure = (SecureDirectoryStream<Path>)stream;
file = Paths.get("foo");
Set<OpenOption> opts = new HashSet<>();
opts.add(WRITE);
opts.add(DELETE_ON_CLOSE);
secure.newByteChannel(file, opts).close();
if (Files.exists(dir.resolve(file)))
throw new RuntimeException("File not deleted");
}
}
} finally {
TestUtil.removeAll(dir);
}
}
}