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/*
* Copyright (c) 2008, 2012, 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.nio.file.attribute.*;
import java.nio.file.spi.FileTypeDetector;
import java.io.IOException;
/**
* Linux implementation of FileSystemProvider
*/
public class LinuxFileSystemProvider extends UnixFileSystemProvider {
public LinuxFileSystemProvider() {
super();
}
@Override
LinuxFileSystem newFileSystem(String dir) {
return new LinuxFileSystem(this, dir);
}
@Override
LinuxFileStore getFileStore(UnixPath path) throws IOException {
// Android-changed: Complete information about file systems is neither available to regular
// apps nor the system server due to SELinux policies.
// return new LinuxFileStore(path);
throw new SecurityException("getFileStore");
}
@Override
@SuppressWarnings("unchecked")
public <V extends FileAttributeView> V getFileAttributeView(Path obj,
Class<V> type,
LinkOption... options)
{
// Android-changed: Delegate to UnixFileSystemProvider, remove support for "dos" and
// "user" file attribute views which are not supported.
/*
if (type == DosFileAttributeView.class) {
return (V) new LinuxDosFileAttributeView(UnixPath.toUnixPath(obj),
Util.followLinks(options));
}
if (type == UserDefinedFileAttributeView.class) {
return (V) new LinuxUserDefinedFileAttributeView(UnixPath.toUnixPath(obj),
Util.followLinks(options));
}
*/
return super.getFileAttributeView(obj, type, options);
}
@Override
public DynamicFileAttributeView getFileAttributeView(Path obj,
String name,
LinkOption... options)
{
// Android-changed: Delegate to UnixFileSystemProvider, remove support for "dos" and
// "user" file attribute views which are not supported.
/*
if (name.equals("dos")) {
return new LinuxDosFileAttributeView(UnixPath.toUnixPath(obj),
Util.followLinks(options));
}
if (name.equals("user")) {
return new LinuxUserDefinedFileAttributeView(UnixPath.toUnixPath(obj),
Util.followLinks(options));
}
*/
return super.getFileAttributeView(obj, name, options);
}
@Override
@SuppressWarnings("unchecked")
public <A extends BasicFileAttributes> A readAttributes(Path file,
Class<A> type,
LinkOption... options)
throws IOException
{
// Android-changed: Delegate to UnixFileSystemProvider, remove support for "dos" and
// "user" file attribute views which are not supported.
/*
if (type == DosFileAttributes.class) {
DosFileAttributeView view =
getFileAttributeView(file, DosFileAttributeView.class, options);
return (A) view.readAttributes();
} else {
return super.readAttributes(file, type, options);
}
*/
return super.readAttributes(file, type, options);
}
@Override
FileTypeDetector getFileTypeDetector() {
// Android-changed: As libgio & libmagic is not available, GnomeFileTypeDetector and
// MagicFileTypeDetector have been removed. MimeTypeFileDetector detects file type based
// on the file extension, which may give false results.
/*
Path userMimeTypes = Paths.get(AccessController.doPrivileged(
new GetPropertyAction("user.home")), ".mime.types");
Path etcMimeTypes = Paths.get("/etc/mime.types");
return chain(new GnomeFileTypeDetector(),
new MimeTypesFileTypeDetector(userMimeTypes),
new MimeTypesFileTypeDetector(etcMimeTypes),
new MagicFileTypeDetector());
*/
return new MimeTypesFileTypeDetector();
}
}
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