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 import java.util.*;
32 import java.security.AccessController;
33 import sun.security.action.GetPropertyAction;
34 import static sun.nio.fs.UnixNativeDispatcher.*;
35
36 /**
37 * Solaris implementation of FileSystem
38 */
39
40 class SolarisFileSystem extends UnixFileSystem {
41 private final boolean hasSolaris11Features;
42
43 SolarisFileSystem(UnixFileSystemProvider provider, String dir) {
44 super(provider, dir);
45
46 // check os.version
47 String osversion = AccessController
48 .doPrivileged(new GetPropertyAction("os.version"));
49 String[] vers = Util.split(osversion, '.');
50 assert vers.length >= 2;
51 int majorVersion = Integer.parseInt(vers[0]);
52 int minorVersion = Integer.parseInt(vers[1]);
53 this.hasSolaris11Features =
54 (majorVersion > 5 || (majorVersion == 5 && minorVersion >= 11));
55 }
56
57 @Override
58 boolean isSolaris() {
59 return true;
60 }
61
62 @Override
63 public WatchService newWatchService()
64 throws IOException
65 {
66 // FEN available since Solaris 11
67 if (hasSolaris11Features) {
68 return new SolarisWatchService(this);
69 } else {
70 return new PollingWatchService();
71 }
72 }
73
74 @Override
75 @SuppressWarnings("unchecked")
76 public <V extends FileAttributeView> V newFileAttributeView(Class<V> view,
77 UnixPath file, LinkOption... options)
78 {
79 if (view == AclFileAttributeView.class)
80 return (V) new SolarisAclFileAttributeView(file, followLinks(options));
81 if (view == UserDefinedFileAttributeView.class) {
82 return(V) new SolarisUserDefinedFileAttributeView(file, followLinks(options));
83 }
84 return super.newFileAttributeView(view, file, options);
85 }
86
87 @Override
88 protected DynamicFileAttributeView newFileAttributeView(String name,
89 UnixPath file,
90 LinkOption... options)
91 {
92 if (name.equals("acl"))
93 return new SolarisAclFileAttributeView(file, followLinks(options));
94 if (name.equals("user"))
95 return new SolarisUserDefinedFileAttributeView(file, followLinks(options));
96 return super.newFileAttributeView(name, file, options);
97 }
98
99 // lazy initialization of the list of supported attribute views
100 private static class SupportedFileFileAttributeViewsHolder {
101 static final Set<String> supportedFileAttributeViews =
102 supportedFileAttributeViews();
103 private static Set<String> supportedFileAttributeViews() {
104 Set<String> result = new HashSet<String>();
105 result.addAll(UnixFileSystem.standardFileAttributeViews());
106 // additional Solaris-specific views
107 result.add("acl");
108 result.add("user");
109 return Collections.unmodifiableSet(result);
110 }
111 }
112
113 @Override
114 public Set<String> supportedFileAttributeViews() {
115 return SupportedFileFileAttributeViewsHolder.supportedFileAttributeViews;
116 }
117
118 @Override
119 void copyNonPosixAttributes(int ofd, int nfd) {
120 SolarisUserDefinedFileAttributeView.copyExtendedAttributes(ofd, nfd);
121 // TDB: copy ACL from source to target
122 }
123
124 /**
125 * Returns object to iterate over entries in /etc/mnttab
126 */
127 @Override
128 Iterable<UnixMountEntry> getMountEntries() {
129 ArrayList<UnixMountEntry> entries = new ArrayList<UnixMountEntry>();
130 try {
131 UnixPath mnttab = new UnixPath(this, "/etc/mnttab");
132 long fp = fopen(mnttab, "r");
133 try {
134 for (;;) {
135 UnixMountEntry entry = new UnixMountEntry();
136 int res = getextmntent(fp, entry);
137 if (res < 0)
138 break;
139 entries.add(entry);
140 }
141 } finally {
142 fclose(fp);
143 }
144 } catch (UnixException x) {
145 // nothing we can do
146 }
147 return entries;
148 }
149
150 @Override
151 FileStore getFileStore(UnixPath path) throws IOException {
152 return new SolarisFileStore(path);
153 }
154
155 @Override
156 FileStore getFileStore(UnixMountEntry entry) throws IOException {
157 return new SolarisFileStore(this, entry);
158 }
159 }