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.io.IOException; 30 import java.util.*; 31 import java.security.AccessController; 32 import sun.security.action.GetPropertyAction; 33 import static sun.nio.fs.UnixNativeDispatcher.*; 34 35 /** 36 * Solaris implementation of FileSystem 37 */ 38 39 class SolarisFileSystem extends UnixFileSystem { 40 private final boolean hasSolaris11Features; 41 42 SolarisFileSystem(UnixFileSystemProvider provider, String dir) { 43 super(provider, dir); 44 45 // check os.version 46 String osversion = AccessController 47 .doPrivileged(new GetPropertyAction("os.version")); 48 String[] vers = Util.split(osversion, '.'); 49 assert vers.length >= 2; 50 int majorVersion = Integer.parseInt(vers[0]); 51 int minorVersion = Integer.parseInt(vers[1]); 52 this.hasSolaris11Features = 53 (majorVersion > 5 || (majorVersion == 5 && minorVersion >= 11)); 54 } 55 56 @Override 57 boolean isSolaris() { 58 return true; 59 } 60 61 @Override 62 public WatchService newWatchService() 63 throws IOException 64 { 65 // FEN available since Solaris 11 66 if (hasSolaris11Features) { 67 return new SolarisWatchService(this); 68 } else { 69 return new PollingWatchService(); 70 } 71 } 72 73 74 // lazy initialization of the list of supported attribute views 75 private static class SupportedFileFileAttributeViewsHolder { 76 static final Set<String> supportedFileAttributeViews = 77 supportedFileAttributeViews(); 78 private static Set<String> supportedFileAttributeViews() { 79 Set<String> result = new HashSet<>(); 80 result.addAll(standardFileAttributeViews()); 81 // additional Solaris-specific views 82 result.add("acl"); 83 result.add("user"); 84 return Collections.unmodifiableSet(result); 85 } 86 } 87 88 @Override 89 public Set<String> supportedFileAttributeViews() { 90 return SupportedFileFileAttributeViewsHolder.supportedFileAttributeViews; 91 } 92 93 @Override 94 void copyNonPosixAttributes(int ofd, int nfd) { 95 SolarisUserDefinedFileAttributeView.copyExtendedAttributes(ofd, nfd); 96 // TDB: copy ACL from source to target 97 } 98 99 /** 100 * Returns object to iterate over entries in /etc/mnttab 101 */ 102 @Override 103 Iterable<UnixMountEntry> getMountEntries() { 104 ArrayList<UnixMountEntry> entries = new ArrayList<>(); 105 try { 106 UnixPath mnttab = new UnixPath(this, "/etc/mnttab"); 107 long fp = fopen(mnttab, "r"); 108 try { 109 for (;;) { 110 UnixMountEntry entry = new UnixMountEntry(); 111 int res = getextmntent(fp, entry); 112 if (res < 0) 113 break; 114 entries.add(entry); 115 } 116 } finally { 117 fclose(fp); 118 } 119 } catch (UnixException x) { 120 // nothing we can do 121 } 122 return entries; 123 } 124 125 @Override 126 FileStore getFileStore(UnixMountEntry entry) throws IOException { 127 return new SolarisFileStore(this, entry); 128 } 129 }