DeleteOnClose.java revision 3471
0N/A/*
2362N/A * Copyright (c) 2008, 2009, Oracle and/or its affiliates. All rights reserved.
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0N/A * This code is free software; you can redistribute it and/or modify it
0N/A * under the terms of the GNU General Public License version 2 only, as
0N/A * published by the Free Software Foundation.
0N/A *
0N/A * This code is distributed in the hope that it will be useful, but WITHOUT
0N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
0N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
0N/A * version 2 for more details (a copy is included in the LICENSE file that
0N/A * accompanied this code).
0N/A *
0N/A * You should have received a copy of the GNU General Public License version
0N/A * 2 along with this work; if not, write to the Free Software Foundation,
0N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
0N/A *
2362N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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0N/A */
0N/A
0N/Aimport java.nio.file.*;
0N/Aimport static java.nio.file.StandardOpenOption.*;
0N/Aimport java.io.*;
0N/Aimport java.util.*;
0N/A
0N/Apublic class DeleteOnClose {
0N/A
0N/A public static void main(String[] args) throws IOException {
0N/A // open file but do not close it. Its existance will be checked by
0N/A // the calling script.
0N/A Files.newByteChannel(Paths.get(args[0]), READ, WRITE, DELETE_ON_CLOSE);
0N/A
0N/A // check temporary file has been deleted after closing it
0N/A Path file = Files.createTempFile("blah", "tmp");
0N/A Files.newByteChannel(file, READ, WRITE, DELETE_ON_CLOSE).close();
0N/A if (Files.exists(file))
0N/A throw new RuntimeException("Temporary file was not deleted");
0N/A
0N/A Path dir = Files.createTempDirectory("blah");
0N/A try {
0N/A // check that DELETE_ON_CLOSE fails when file is a sym link
0N/A if (TestUtil.supportsLinks(dir)) {
0N/A file = dir.resolve("foo");
0N/A Files.createFile(file);
0N/A Path link = dir.resolve("link");
0N/A Files.createSymbolicLink(link, file);
0N/A try {
0N/A Files.newByteChannel(link, READ, WRITE, DELETE_ON_CLOSE);
0N/A throw new RuntimeException("IOException expected");
0N/A } catch (IOException ignore) { }
0N/A }
0N/A
0N/A // check that DELETE_ON_CLOSE works with files created via open
0N/A // directories
0N/A try (DirectoryStream<Path> stream = Files.newDirectoryStream(dir)) {
0N/A if (stream instanceof SecureDirectoryStream) {
0N/A SecureDirectoryStream<Path> secure = (SecureDirectoryStream<Path>)stream;
0N/A file = Paths.get("foo");
0N/A
0N/A Set<OpenOption> opts = new HashSet<>();
0N/A opts.add(WRITE);
0N/A opts.add(DELETE_ON_CLOSE);
0N/A secure.newByteChannel(file, opts).close();
0N/A
0N/A if (Files.exists(dir.resolve(file)))
0N/A throw new RuntimeException("File not deleted");
0N/A }
0N/A }
0N/A } finally {
0N/A TestUtil.removeAll(dir);
0N/A }
0N/A }
0N/A}
0N/A