| /* |
| * 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); |
| } |
| } |
| } |