/*

 * Copyright (c) 2008, 2015, 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;

import java.security.AccessController;

import sun.security.action.GetPropertyAction;

/**

 * 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 {

        return new LinuxFileStore(path);

    }

    @Override

    @SuppressWarnings("unchecked")

    public <V extends FileAttributeView> V getFileAttributeView(Path obj,

                                                                Class<V> type,

                                                                LinkOption... options)

    {

        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)

    {

        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

    {

        if (type == DosFileAttributes.class) {

            DosFileAttributeView view =

                getFileAttributeView(file, DosFileAttributeView.class, options);

            return (A) view.readAttributes();

        } else {

            return super.readAttributes(file, type, options);

        }

    }

    @Override

    FileTypeDetector getFileTypeDetector() {

        Path userMimeTypes = Paths.get(userHome, ".mime.types");

        Path etcMimeTypes = Paths.get("/etc/mime.types");

        return chain(new GioFileTypeDetector(),

                     new MimeTypesFileTypeDetector(userMimeTypes),

                     new MimeTypesFileTypeDetector(etcMimeTypes),

                     new MagicFileTypeDetector());

    }

}