1 /* 2 * Copyright (c) 2008, 2014, Oracle and/or its affiliates. All rights reserved. 3 * Copyright 2013 SAP AG. All rights reserved. 4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 5 * 6 * This code is free software; you can redistribute it and/or modify it 7 * under the terms of the GNU General Public License version 2 only, as 8 * published by the Free Software Foundation. Oracle designates this 9 * particular file as subject to the "Classpath" exception as provided 10 * by Oracle in the LICENSE file that accompanied this code. 11 * 12 * This code is distributed in the hope that it will be useful, but WITHOUT 13 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 14 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 15 * version 2 for more details (a copy is included in the LICENSE file that 16 * accompanied this code). 17 * 18 * You should have received a copy of the GNU General Public License version 19 * 2 along with this work; if not, write to the Free Software Foundation, 20 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 21 * 22 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 23 * or visit www.oracle.com if you need additional information or have any 24 * questions. 25 */ 26 27 /* 28 * Portions Copyright (c) 2014 IBM Corporation 29 */ 30 31 package sun.nio.fs; 32 33 import java.nio.file.*; 34 import java.nio.file.attribute.*; 35 import java.io.IOException; 36 import java.util.*; 37 38 import static sun.nio.fs.AixNativeDispatcher.*; 39 40 /** 41 * AIX implementation of FileSystem 42 */ 43 44 class AixFileSystem extends UnixFileSystem { 45 46 AixFileSystem(UnixFileSystemProvider provider, String dir) { 47 super(provider, dir); 48 } 49 50 @Override 51 public WatchService newWatchService() 52 throws IOException 53 { 54 return new PollingWatchService(); 55 } 56 57 // lazy initialization of the list of supported attribute views 58 private static class SupportedFileFileAttributeViewsHolder { 59 static final Set<String> supportedFileAttributeViews = 60 supportedFileAttributeViews(); 61 private static Set<String> supportedFileAttributeViews() { 62 Set<String> result = new HashSet<String>(); 63 result.addAll(UnixFileSystem.standardFileAttributeViews()); 64 // additional Linux-specific views 65 result.add("dos"); 66 result.add("user"); 67 return Collections.unmodifiableSet(result); 68 } 69 } 70 71 @Override 72 public Set<String> supportedFileAttributeViews() { 73 return SupportedFileFileAttributeViewsHolder.supportedFileAttributeViews; 74 } 75 76 @Override 77 void copyNonPosixAttributes(int ofd, int nfd) { 78 AixUserDefinedFileAttributeView.copyExtendedAttributes(ofd, nfd); 79 } 80 81 /** 82 * Returns object to iterate over the mount entries returned by mntctl 83 */ 84 @Override 85 Iterable<UnixMountEntry> getMountEntries() { 86 UnixMountEntry[] entries = null; 87 try { 88 entries = getmntctl(); 89 } catch (UnixException x) { 90 // nothing we can do 91 } 92 if (entries == null) { 93 return Collections.emptyList(); 94 } 95 return Arrays.asList(entries); 96 } 97 98 @Override 99 FileStore getFileStore(UnixMountEntry entry) throws IOException { 100 return new AixFileStore(this, entry); 101 } 102 }