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/*
* Copyright (c) 2013, 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.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/* @test
* @bug 8011536
* @summary Basic test for creationTime attribute on platforms/file systems
* that support it.
* @library ../..
*/
import java.nio.file.Path;
import java.nio.file.Files;
import java.nio.file.attribute.*;
import java.time.Instant;
import java.io.IOException;
public class CreationTime {
private static final java.io.PrintStream err = System.err;
/**
* Reads the creationTime attribute
*/
private static FileTime creationTime(Path file) throws IOException {
return Files.readAttributes(file, BasicFileAttributes.class).creationTime();
}
/**
* Sets the creationTime attribute
*/
private static void setCreationTime(Path file, FileTime time) throws IOException {
BasicFileAttributeView view =
Files.getFileAttributeView(file, BasicFileAttributeView.class);
view.setTimes(null, null, time);
}
static void test(Path top) throws IOException {
Path file = Files.createFile(top.resolve("foo"));
/**
* Check that creationTime reported
*/
FileTime creationTime = creationTime(file);
Instant now = Instant.now();
if (Math.abs(creationTime.toMillis()-now.toEpochMilli()) > 10000L) {
err.println("File creation time reported as: " + creationTime);
throw new RuntimeException("Expected to be close to: " + now);
}
/**
* Is the creationTime attribute supported here?
*/
boolean supportsCreationTimeRead = false;
boolean supportsCreationTimeWrite = false;
String os = System.getProperty("os.name");
if (os.contains("OS X") && Files.getFileStore(file).type().equals("hfs")) {
supportsCreationTimeRead = true;
} else if (os.startsWith("Windows")) {
String type = Files.getFileStore(file).type();
if (type.equals("NTFS") || type.equals("FAT")) {
supportsCreationTimeRead = true;
supportsCreationTimeWrite = true;
}
}
/**
* If the creation-time attribute is supported then change the file's
* last modified and check that it doesn't change the creation-time.
*/
if (supportsCreationTimeRead) {
// change modified time by +1 hour
Instant plusHour = Instant.now().plusSeconds(60L * 60L);
Files.setLastModifiedTime(file, FileTime.from(plusHour));
FileTime current = creationTime(file);
if (!current.equals(creationTime))
throw new RuntimeException("Creation time should not have changed");
}
/**
* If the creation-time attribute is supported and can be changed then
* check that the change is effective.
*/
if (supportsCreationTimeWrite) {
// change creation time by -1 hour
Instant minusHour = Instant.now().minusSeconds(60L * 60L);
creationTime = FileTime.from(minusHour);
setCreationTime(file, creationTime);
FileTime current = creationTime(file);
if (Math.abs(creationTime.toMillis()-current.toMillis()) > 1000L)
throw new RuntimeException("Creation time not changed");
}
}
public static void main(String[] args) throws IOException {
// create temporary directory to run tests
Path dir = TestUtil.createTemporaryDirectory();
try {
test(dir);
} finally {
TestUtil.removeAll(dir);
}
}
}
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