author | alanb |
Thu, 18 Apr 2013 11:13:18 +0100 | |
changeset 17154 | e8991539c4d7 |
permissions | -rw-r--r-- |
17154
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8011536: (fs) BasicFileAttributes.creationTime() should return birth time (mac)
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/* |
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* Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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8011536: (fs) BasicFileAttributes.creationTime() should return birth time (mac)
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. |
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8011536: (fs) BasicFileAttributes.creationTime() should return birth time (mac)
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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8011536: (fs) BasicFileAttributes.creationTime() should return birth time (mac)
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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17 |
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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8011536: (fs) BasicFileAttributes.creationTime() should return birth time (mac)
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* or visit www.oracle.com if you need additional information or have any |
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8011536: (fs) BasicFileAttributes.creationTime() should return birth time (mac)
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* questions. |
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*/ |
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|
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/* @test |
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* @bug 8011536 |
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* @summary Basic test for creationTime attribute on platforms/file systems |
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* that support it. |
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* @library ../.. |
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*/ |
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|
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import java.nio.file.Path; |
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import java.nio.file.Files; |
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import java.nio.file.attribute.*; |
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import java.time.Instant; |
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import java.io.IOException; |
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|
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public class CreationTime { |
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private static final java.io.PrintStream err = System.err; |
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/** |
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* Reads the creationTime attribute |
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*/ |
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private static FileTime creationTime(Path file) throws IOException { |
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return Files.readAttributes(file, BasicFileAttributes.class).creationTime(); |
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} |
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|
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/** |
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* Sets the creationTime attribute |
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*/ |
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private static void setCreationTime(Path file, FileTime time) throws IOException { |
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BasicFileAttributeView view = |
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Files.getFileAttributeView(file, BasicFileAttributeView.class); |
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view.setTimes(null, null, time); |
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} |
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static void test(Path top) throws IOException { |
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Path file = Files.createFile(top.resolve("foo")); |
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/** |
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* Check that creationTime reported |
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*/ |
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FileTime creationTime = creationTime(file); |
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Instant now = Instant.now(); |
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if (Math.abs(creationTime.toMillis()-now.toEpochMilli()) > 10000L) { |
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err.println("File creation time reported as: " + creationTime); |
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throw new RuntimeException("Expected to be close to: " + now); |
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} |
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/** |
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* Is the creationTime attribute supported here? |
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*/ |
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boolean supportsCreationTimeRead = false; |
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boolean supportsCreationTimeWrite = false; |
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String os = System.getProperty("os.name"); |
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if (os.contains("OS X") && Files.getFileStore(file).type().equals("hfs")) { |
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supportsCreationTimeRead = true; |
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} else if (os.startsWith("Windows")) { |
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String type = Files.getFileStore(file).type(); |
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if (type.equals("NTFS") || type.equals("FAT")) { |
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supportsCreationTimeRead = true; |
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supportsCreationTimeWrite = true; |
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} |
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} |
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|
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/** |
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* If the creation-time attribute is supported then change the file's |
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* last modified and check that it doesn't change the creation-time. |
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*/ |
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if (supportsCreationTimeRead) { |
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// change modified time by +1 hour |
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Instant plusHour = Instant.now().plusSeconds(60L * 60L); |
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Files.setLastModifiedTime(file, FileTime.from(plusHour)); |
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FileTime current = creationTime(file); |
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if (!current.equals(creationTime)) |
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throw new RuntimeException("Creation time should not have changed"); |
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} |
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|
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/** |
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* If the creation-time attribute is supported and can be changed then |
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* check that the change is effective. |
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*/ |
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if (supportsCreationTimeWrite) { |
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// change creation time by -1 hour |
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Instant minusHour = Instant.now().minusSeconds(60L * 60L); |
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creationTime = FileTime.from(minusHour); |
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setCreationTime(file, creationTime); |
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FileTime current = creationTime(file); |
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if (Math.abs(creationTime.toMillis()-current.toMillis()) > 1000L) |
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throw new RuntimeException("Creation time not changed"); |
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} |
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} |
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|
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public static void main(String[] args) throws IOException { |
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// create temporary directory to run tests |
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Path dir = TestUtil.createTemporaryDirectory(); |
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try { |
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test(dir); |
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} finally { |
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TestUtil.removeAll(dir); |
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} |
e8991539c4d7
8011536: (fs) BasicFileAttributes.creationTime() should return birth time (mac)
alanb
parents:
diff
changeset
|
122 |
} |
e8991539c4d7
8011536: (fs) BasicFileAttributes.creationTime() should return birth time (mac)
alanb
parents:
diff
changeset
|
123 |
} |