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