1 /* 2 * Copyright (c) 2008, 2012, 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.nio.file.spi.FileTypeDetector; 31 import java.io.IOException; 32 33 /** 34 * Linux implementation of FileSystemProvider 35 */ 36 37 public class LinuxFileSystemProvider extends UnixFileSystemProvider { 38 public LinuxFileSystemProvider() { 39 super(); 40 } 41 42 @Override 43 LinuxFileSystem newFileSystem(String dir) { 44 return new LinuxFileSystem(this, dir); 45 } 46 47 @Override 48 LinuxFileStore getFileStore(UnixPath path) throws IOException { 49 // Android-changed: Complete information about file systems is neither available to regular 50 // apps nor the system server due to SELinux policies. 51 // return new LinuxFileStore(path); 52 53 throw new SecurityException("getFileStore"); 54 } 55 56 @Override 57 @SuppressWarnings("unchecked") 58 public <V extends FileAttributeView> V getFileAttributeView(Path obj, 59 Class<V> type, 60 LinkOption... options) 61 { 62 // Android-changed: Delegate to UnixFileSystemProvider, remove support for "dos" and 63 // "user" file attribute views which are not supported. 64 /* 65 if (type == DosFileAttributeView.class) { 66 return (V) new LinuxDosFileAttributeView(UnixPath.toUnixPath(obj), 67 Util.followLinks(options)); 68 } 69 if (type == UserDefinedFileAttributeView.class) { 70 return (V) new LinuxUserDefinedFileAttributeView(UnixPath.toUnixPath(obj), 71 Util.followLinks(options)); 72 } 73 */ 74 return super.getFileAttributeView(obj, type, options); 75 } 76 77 @Override 78 public DynamicFileAttributeView getFileAttributeView(Path obj, 79 String name, 80 LinkOption... options) 81 { 82 // Android-changed: Delegate to UnixFileSystemProvider, remove support for "dos" and 83 // "user" file attribute views which are not supported. 84 /* 85 if (name.equals("dos")) { 86 return new LinuxDosFileAttributeView(UnixPath.toUnixPath(obj), 87 Util.followLinks(options)); 88 } 89 if (name.equals("user")) { 90 return new LinuxUserDefinedFileAttributeView(UnixPath.toUnixPath(obj), 91 Util.followLinks(options)); 92 } 93 */ 94 return super.getFileAttributeView(obj, name, options); 95 } 96 97 @Override 98 @SuppressWarnings("unchecked") 99 public <A extends BasicFileAttributes> A readAttributes(Path file, 100 Class<A> type, 101 LinkOption... options) 102 throws IOException 103 { 104 // Android-changed: Delegate to UnixFileSystemProvider, remove support for "dos" and 105 // "user" file attribute views which are not supported. 106 /* 107 if (type == DosFileAttributes.class) { 108 DosFileAttributeView view = 109 getFileAttributeView(file, DosFileAttributeView.class, options); 110 return (A) view.readAttributes(); 111 } else { 112 return super.readAttributes(file, type, options); 113 } 114 */ 115 return super.readAttributes(file, type, options); 116 } 117 118 @Override 119 FileTypeDetector getFileTypeDetector() { 120 // Android-changed: As libgio & libmagic is not available, GnomeFileTypeDetector and 121 // MagicFileTypeDetector have been removed. MimeTypeFileDetector detects file type based 122 // on the file extension, which may give false results. 123 /* 124 Path userMimeTypes = Paths.get(AccessController.doPrivileged( 125 new GetPropertyAction("user.home")), ".mime.types"); 126 Path etcMimeTypes = Paths.get("/etc/mime.types"); 127 128 return chain(new GnomeFileTypeDetector(), 129 new MimeTypesFileTypeDetector(userMimeTypes), 130 new MimeTypesFileTypeDetector(etcMimeTypes), 131 new MagicFileTypeDetector()); 132 */ 133 return new MimeTypesFileTypeDetector(); 134 } 135 } 136
