117 lines
3.8 KiB
Java
117 lines
3.8 KiB
Java
/*
|
|
* 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() {
|
|
// Android-changed: As /etc/mtab is not available in Android, therefore, using /proc/mounts
|
|
// instead.
|
|
return getMountEntries("/proc/mounts");
|
|
}
|
|
|
|
|
|
|
|
@Override
|
|
FileStore getFileStore(UnixMountEntry entry) throws IOException {
|
|
return new LinuxFileStore(this, entry);
|
|
}
|
|
}
|