author | ohair |
Wed, 06 Apr 2011 22:06:11 -0700 | |
changeset 9035 | 1255eb81cc2f |
parent 8158 | 77d9c0f1c19f |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2008, 2011, 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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* |
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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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* |
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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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* 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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* 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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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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import java.nio.file.*; |
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import java.nio.file.attribute.BasicFileAttributes; |
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import java.util.Random; |
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import java.io.IOException; |
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public class TestUtil { |
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private TestUtil() { |
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} |
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static Path createTemporaryDirectory(String where) throws IOException { |
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Path dir = FileSystems.getDefault().getPath(where); |
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return Files.createTempDirectory(dir, "name"); |
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} |
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static Path createTemporaryDirectory() throws IOException { |
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return Files.createTempDirectory("name"); |
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} |
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static void removeAll(Path dir) throws IOException { |
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Files.walkFileTree(dir, new FileVisitor<Path>() { |
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@Override |
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public FileVisitResult preVisitDirectory(Path dir, BasicFileAttributes attrs) { |
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return FileVisitResult.CONTINUE; |
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} |
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@Override |
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public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) { |
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try { |
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Files.delete(file); |
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} catch (IOException x) { |
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System.err.format("Unable to delete %s: %s\n", file, x); |
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} |
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return FileVisitResult.CONTINUE; |
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} |
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@Override |
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public FileVisitResult postVisitDirectory(Path dir, IOException exc) { |
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try { |
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Files.delete(dir); |
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} catch (IOException x) { |
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System.err.format("Unable to delete %s: %s\n", dir, x); |
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} |
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return FileVisitResult.CONTINUE; |
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} |
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@Override |
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public FileVisitResult visitFileFailed(Path file, IOException exc) { |
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System.err.format("Unable to visit %s: %s\n", file, exc); |
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return FileVisitResult.CONTINUE; |
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} |
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}); |
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} |
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static void deleteUnchecked(Path file) { |
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try { |
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Files.delete(file); |
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} catch (IOException exc) { |
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System.err.format("Unable to delete %s: %s\n", file, exc); |
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} |
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} |
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/** |
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* Creates a directory tree in the given directory so that the total |
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* size of the path is more than 2k in size. This is used for long |
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* path tests on Windows. |
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*/ |
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static Path createDirectoryWithLongPath(Path dir) |
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throws IOException |
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{ |
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StringBuilder sb = new StringBuilder(); |
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for (int i=0; i<240; i++) { |
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sb.append('A'); |
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} |
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String name = sb.toString(); |
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do { |
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dir = dir.resolve(name).resolve("."); |
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Files.createDirectory(dir); |
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} while (dir.toString().length() < 2048); |
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return dir; |
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} |
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|
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/** |
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* Returns true if symbolic links are supported |
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*/ |
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static boolean supportsLinks(Path dir) { |
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Path link = dir.resolve("testlink"); |
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Path target = dir.resolve("testtarget"); |
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try { |
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Files.createSymbolicLink(link, target); |
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Files.delete(link); |
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return true; |
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} catch (UnsupportedOperationException x) { |
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return false; |
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} catch (IOException x) { |
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return false; |
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} |
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} |
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} |