| /* |
| * Copyright (C) 2012, Robin Rosenberg <robin.rosenberg@dewire.com> |
| * and other copyright owners as documented in the project's IP log. |
| * |
| * This program and the accompanying materials are made available |
| * under the terms of the Eclipse Distribution License v1.0 which |
| * accompanies this distribution, is reproduced below, and is |
| * available at http://www.eclipse.org/org/documents/edl-v10.php |
| * |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or |
| * without modification, are permitted provided that the following |
| * conditions are met: |
| * |
| * - Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * |
| * - Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following |
| * disclaimer in the documentation and/or other materials provided |
| * with the distribution. |
| * |
| * - Neither the name of the Eclipse Foundation, Inc. nor the |
| * names of its contributors may be used to endorse or promote |
| * products derived from this software without specific prior |
| * written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND |
| * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, |
| * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR |
| * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
| * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
| * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF |
| * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| package org.eclipse.jgit.util; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.nio.file.Files; |
| import java.nio.file.LinkOption; |
| import java.nio.file.NoSuchFileException; |
| import java.nio.file.Path; |
| import java.nio.file.attribute.BasicFileAttributeView; |
| import java.nio.file.attribute.BasicFileAttributes; |
| import java.nio.file.attribute.FileTime; |
| import java.nio.file.attribute.PosixFileAttributeView; |
| import java.nio.file.attribute.PosixFileAttributes; |
| import java.nio.file.attribute.PosixFilePermission; |
| import java.text.Normalizer; |
| import java.text.Normalizer.Form; |
| |
| import org.eclipse.jgit.lib.Constants; |
| import org.eclipse.jgit.util.FS.Attributes; |
| |
| class FileUtil { |
| |
| static class Java7BasicAttributes extends Attributes { |
| |
| Java7BasicAttributes(FS fs, File fPath, boolean exists, |
| boolean isDirectory, boolean isExecutable, |
| boolean isSymbolicLink, boolean isRegularFile, |
| long creationTime, long lastModifiedTime, long length) { |
| super(fs, fPath, exists, isDirectory, isExecutable, isSymbolicLink, |
| isRegularFile, creationTime, lastModifiedTime, length); |
| } |
| } |
| |
| static String readSymlink(File path) throws IOException { |
| Path nioPath = path.toPath(); |
| Path target = Files.readSymbolicLink(nioPath); |
| String targetString = target.toString(); |
| if (SystemReader.getInstance().isWindows()) |
| targetString = targetString.replace('\\', '/'); |
| else if (SystemReader.getInstance().isMacOS()) |
| targetString = Normalizer.normalize(targetString, Form.NFC); |
| return targetString; |
| } |
| |
| public static void createSymLink(File path, String target) |
| throws IOException { |
| Path nioPath = path.toPath(); |
| if (Files.exists(nioPath, LinkOption.NOFOLLOW_LINKS)) |
| Files.delete(nioPath); |
| if (SystemReader.getInstance().isWindows()) |
| target = target.replace('/', '\\'); |
| Path nioTarget = new File(target).toPath(); |
| Files.createSymbolicLink(nioPath, nioTarget); |
| } |
| |
| public static boolean isSymlink(File path) { |
| Path nioPath = path.toPath(); |
| return Files.isSymbolicLink(nioPath); |
| } |
| |
| public static long lastModified(File path) throws IOException { |
| Path nioPath = path.toPath(); |
| return Files.getLastModifiedTime(nioPath, LinkOption.NOFOLLOW_LINKS) |
| .toMillis(); |
| } |
| |
| public static void setLastModified(File path, long time) throws IOException { |
| Path nioPath = path.toPath(); |
| Files.setLastModifiedTime(nioPath, FileTime.fromMillis(time)); |
| } |
| |
| public static boolean exists(File path) { |
| Path nioPath = path.toPath(); |
| return Files.exists(nioPath, LinkOption.NOFOLLOW_LINKS); |
| } |
| |
| public static boolean isHidden(File path) throws IOException { |
| Path nioPath = path.toPath(); |
| return Files.isHidden(nioPath); |
| } |
| |
| public static void setHidden(File path, boolean hidden) throws IOException { |
| Path nioPath = path.toPath(); |
| Files.setAttribute(nioPath, "dos:hidden", Boolean.valueOf(hidden), //$NON-NLS-1$ |
| LinkOption.NOFOLLOW_LINKS); |
| } |
| |
| public static long getLength(File path) throws IOException { |
| Path nioPath = path.toPath(); |
| if (Files.isSymbolicLink(nioPath)) |
| return Files.readSymbolicLink(nioPath).toString() |
| .getBytes(Constants.CHARSET).length; |
| return Files.size(nioPath); |
| } |
| |
| public static boolean isDirectory(File path) { |
| Path nioPath = path.toPath(); |
| return Files.isDirectory(nioPath, LinkOption.NOFOLLOW_LINKS); |
| } |
| |
| public static boolean isFile(File path) { |
| Path nioPath = path.toPath(); |
| return Files.isRegularFile(nioPath, LinkOption.NOFOLLOW_LINKS); |
| } |
| |
| public static boolean canExecute(File path) { |
| if (!isFile(path)) |
| return false; |
| return path.canExecute(); |
| } |
| |
| public static boolean setExecute(File path, boolean executable) { |
| if (!isFile(path)) |
| return false; |
| return path.setExecutable(executable); |
| } |
| |
| public static void delete(File path) throws IOException { |
| Path nioPath = path.toPath(); |
| Files.delete(nioPath); |
| } |
| |
| static Attributes getFileAttributesBasic(FS fs, File path) { |
| try { |
| Path nioPath = path.toPath(); |
| BasicFileAttributes readAttributes = nioPath |
| .getFileSystem() |
| .provider() |
| .getFileAttributeView(nioPath, |
| BasicFileAttributeView.class, |
| LinkOption.NOFOLLOW_LINKS).readAttributes(); |
| Attributes attributes = new FileUtil.Java7BasicAttributes(fs, path, |
| true, |
| readAttributes.isDirectory(), |
| fs.supportsExecute() ? path.canExecute() : false, |
| readAttributes.isSymbolicLink(), |
| readAttributes.isRegularFile(), // |
| readAttributes.creationTime().toMillis(), // |
| readAttributes.lastModifiedTime().toMillis(), |
| readAttributes.isSymbolicLink() ? Constants |
| .encode(FileUtils.readSymLink(path)).length |
| : readAttributes.size()); |
| return attributes; |
| } catch (NoSuchFileException e) { |
| return new FileUtil.Java7BasicAttributes(fs, path, false, false, |
| false, false, false, 0L, 0L, 0L); |
| } catch (IOException e) { |
| return new Attributes(path, fs); |
| } |
| } |
| |
| static Attributes getFileAttributesPosix(FS fs, File path) { |
| try { |
| Path nioPath = path.toPath(); |
| PosixFileAttributes readAttributes = nioPath |
| .getFileSystem() |
| .provider() |
| .getFileAttributeView(nioPath, |
| PosixFileAttributeView.class, |
| LinkOption.NOFOLLOW_LINKS).readAttributes(); |
| Attributes attributes = new FileUtil.Java7BasicAttributes( |
| fs, |
| path, |
| true, // |
| readAttributes.isDirectory(), // |
| readAttributes.permissions().contains( |
| PosixFilePermission.OWNER_EXECUTE), |
| readAttributes.isSymbolicLink(), |
| readAttributes.isRegularFile(), // |
| readAttributes.creationTime().toMillis(), // |
| readAttributes.lastModifiedTime().toMillis(), |
| readAttributes.size()); |
| return attributes; |
| } catch (NoSuchFileException e) { |
| return new FileUtil.Java7BasicAttributes(fs, path, false, false, |
| false, false, false, 0L, 0L, 0L); |
| } catch (IOException e) { |
| return new Attributes(path, fs); |
| } |
| } |
| |
| public static File normalize(File file) { |
| if (SystemReader.getInstance().isMacOS()) { |
| // TODO: Would it be faster to check with isNormalized first |
| // assuming normalized paths are much more common |
| String normalized = Normalizer.normalize(file.getPath(), |
| Normalizer.Form.NFC); |
| return new File(normalized); |
| } |
| return file; |
| } |
| |
| public static String normalize(String name) { |
| if (SystemReader.getInstance().isMacOS()) { |
| if (name == null) |
| return null; |
| return Normalizer.normalize(name, Normalizer.Form.NFC); |
| } |
| return name; |
| } |
| |
| } |