1 /* 2 * Copyright (c) 2008, 2015, 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 import java.security.AccessController; 33 import sun.security.action.GetPropertyAction; 34 35 /** 36 * Linux implementation of FileSystemProvider 37 */ 38 39 public class LinuxFileSystemProvider extends UnixFileSystemProvider { 40 public LinuxFileSystemProvider() { 41 super(); 42 } 43 44 @Override 45 LinuxFileSystem newFileSystem(String dir) { 46 return new LinuxFileSystem(this, dir); 47 } 48 49 @Override 50 LinuxFileStore getFileStore(UnixPath path) throws IOException { 51 return new LinuxFileStore(path); 52 } 53 54 @Override 55 @SuppressWarnings("unchecked") 56 public <V extends FileAttributeView> V getFileAttributeView(Path obj, 57 Class<V> type, 58 LinkOption... options) 59 { 60 if (type == DosFileAttributeView.class) { 61 return (V) new LinuxDosFileAttributeView(UnixPath.toUnixPath(obj), 62 Util.followLinks(options)); 63 } 64 if (type == UserDefinedFileAttributeView.class) { 65 return (V) new LinuxUserDefinedFileAttributeView(UnixPath.toUnixPath(obj), 66 Util.followLinks(options)); 67 } 68 return super.getFileAttributeView(obj, type, options); 69 } 70 71 @Override 72 public DynamicFileAttributeView getFileAttributeView(Path obj, 73 String name, 74 LinkOption... options) 75 { 76 if (name.equals("dos")) { 77 return new LinuxDosFileAttributeView(UnixPath.toUnixPath(obj), 78 Util.followLinks(options)); 79 } 80 if (name.equals("user")) { 81 return new LinuxUserDefinedFileAttributeView(UnixPath.toUnixPath(obj), 82 Util.followLinks(options)); 83 } 84 return super.getFileAttributeView(obj, name, options); 85 } 86 87 @Override 88 @SuppressWarnings("unchecked") 89 public <A extends BasicFileAttributes> A readAttributes(Path file, 90 Class<A> type, 91 LinkOption... options) 92 throws IOException 93 { 94 if (type == DosFileAttributes.class) { 95 DosFileAttributeView view = 96 getFileAttributeView(file, DosFileAttributeView.class, options); 97 return (A) view.readAttributes(); 98 } else { 99 return super.readAttributes(file, type, options); 100 } 101 } 102 103 @Override 104 FileTypeDetector getFileTypeDetector() { 105 String userHome = GetPropertyAction.getProperty("user.home"); 106 Path userMimeTypes = Paths.get(userHome, ".mime.types"); 107 Path etcMimeTypes = Paths.get("/etc/mime.types"); 108 109 return chain(new GioFileTypeDetector(), 110 new MimeTypesFileTypeDetector(userMimeTypes), 111 new MimeTypesFileTypeDetector(etcMimeTypes), 112 new MagicFileTypeDetector()); 113 } 114 }