| /* |
| * Copyright (c) 2008, 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. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * 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. |
| */ |
| |
| package sun.nio.fs; |
| |
| import java.nio.file.*; |
| import java.io.IOException; |
| import java.util.*; |
| import static sun.nio.fs.LinuxNativeDispatcher.*; |
| |
| /** |
| * Linux implementation of FileSystem |
| */ |
| |
| class LinuxFileSystem extends UnixFileSystem { |
| LinuxFileSystem(UnixFileSystemProvider provider, String dir) { |
| super(provider, dir); |
| } |
| |
| @Override |
| public WatchService newWatchService() |
| throws IOException |
| { |
| // assume 2.6.13 or newer |
| return new LinuxWatchService(this); |
| } |
| |
| |
| // lazy initialization of the list of supported attribute views |
| private static class SupportedFileFileAttributeViewsHolder { |
| static final Set<String> supportedFileAttributeViews = |
| supportedFileAttributeViews(); |
| private static Set<String> supportedFileAttributeViews() { |
| Set<String> result = new HashSet<>(); |
| result.addAll(standardFileAttributeViews()); |
| // additional Linux-specific views |
| result.add("dos"); |
| result.add("user"); |
| return Collections.unmodifiableSet(result); |
| } |
| } |
| |
| @Override |
| public Set<String> supportedFileAttributeViews() { |
| return SupportedFileFileAttributeViewsHolder.supportedFileAttributeViews; |
| } |
| |
| @Override |
| void copyNonPosixAttributes(int ofd, int nfd) { |
| LinuxUserDefinedFileAttributeView.copyExtendedAttributes(ofd, nfd); |
| } |
| |
| /** |
| * Returns object to iterate over the mount entries in the given fstab file. |
| */ |
| Iterable<UnixMountEntry> getMountEntries(String fstab) { |
| ArrayList<UnixMountEntry> entries = new ArrayList<>(); |
| try { |
| long fp = setmntent(Util.toBytes(fstab), Util.toBytes("r")); |
| try { |
| for (;;) { |
| UnixMountEntry entry = new UnixMountEntry(); |
| int res = getmntent(fp, entry); |
| if (res < 0) |
| break; |
| entries.add(entry); |
| } |
| } finally { |
| endmntent(fp); |
| } |
| |
| } catch (UnixException x) { |
| // nothing we can do |
| } |
| return entries; |
| } |
| |
| /** |
| * Returns object to iterate over the mount entries in /etc/mtab |
| */ |
| @Override |
| Iterable<UnixMountEntry> getMountEntries() { |
| return getMountEntries("/etc/mtab"); |
| } |
| |
| |
| |
| @Override |
| FileStore getFileStore(UnixMountEntry entry) throws IOException { |
| return new LinuxFileStore(this, entry); |
| } |
| } |