1 /*
   2  * Copyright (c) 2008, 2009, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package sun.nio.fs;
  27 
  28 import java.nio.file.*;
  29 import java.nio.file.attribute.*;
  30 import java.io.IOException;
  31 
  32 /**
  33  * Linux implementation of FileSystemProvider
  34  */
  35 
  36 public class LinuxFileSystemProvider extends UnixFileSystemProvider {
  37     public LinuxFileSystemProvider() {
  38         super();
  39     }
  40 
  41     @Override
  42     LinuxFileSystem newFileSystem(String dir) {
  43         return new LinuxFileSystem(this, dir);
  44     }
  45     
  46     @Override
  47     LinuxFileStore getFileStore(UnixPath path) throws IOException {
  48         return new LinuxFileStore(path);
  49     }    
  50     
  51     @Override
  52     @SuppressWarnings("unchecked")
  53     public <V extends FileAttributeView> V getFileAttributeView(Path obj, 
  54                                                                 Class<V> type, 
  55                                                                 LinkOption... options)
  56     {
  57         if (type == DosFileAttributeView.class) {
  58             return (V) new LinuxDosFileAttributeView(UnixPath.toUnixPath(obj), 
  59                                                      followLinks(options));
  60         }
  61         if (type == UserDefinedFileAttributeView.class) {
  62             return (V) new LinuxUserDefinedFileAttributeView(UnixPath.toUnixPath(obj), 
  63                                                              followLinks(options));
  64         }
  65         return super.getFileAttributeView(obj, type, options);
  66     }
  67 
  68     @Override
  69     public DynamicFileAttributeView getFileAttributeView(Path obj,
  70                                                          String name,
  71                                                          LinkOption... options)
  72     {
  73         if (name.equals("dos")) {
  74             return new LinuxDosFileAttributeView(UnixPath.toUnixPath(obj), 
  75                                                  followLinks(options));
  76         }
  77         if (name.equals("user")) {
  78             return new LinuxUserDefinedFileAttributeView(UnixPath.toUnixPath(obj), 
  79                                                          followLinks(options));
  80         }
  81         return super.getFileAttributeView(obj, name, options);
  82     }
  83 
  84     @Override
  85     @SuppressWarnings("unchecked")
  86     public <A extends BasicFileAttributes> A readAttributes(Path file,
  87                                                             Class<A> type,
  88                                                             LinkOption... options)
  89         throws IOException
  90     {
  91         if (type == DosFileAttributes.class) {
  92             DosFileAttributeView view =
  93                 getFileAttributeView(file, DosFileAttributeView.class, options);
  94             return (A) view.readAttributes();
  95         } else {
  96             return super.readAttributes(file, type, options);
  97         }
  98     }    
  99 }