author | alanb |
Sun, 15 Feb 2009 12:25:54 +0000 | |
changeset 2057 | 3acf8e5e2ca0 |
child 2071 | 5e6af6d106cb |
permissions | -rw-r--r-- |
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/* |
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* Copyright 2008-2009 Sun Microsystems, Inc. All Rights Reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. Sun designates this |
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* particular file as subject to the "Classpath" exception as provided |
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* by Sun in the LICENSE file that accompanied this code. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
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* CA 95054 USA or visit www.sun.com if you need additional information or |
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* have any questions. |
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*/ |
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package sun.nio.fs; |
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|
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import java.nio.file.*; |
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import java.nio.file.attribute.*; |
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import java.nio.file.spi.*; |
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import java.util.*; |
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import java.util.regex.Pattern; |
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import java.io.IOException; |
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import java.security.AccessController; |
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import java.security.PrivilegedAction; |
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import sun.security.action.GetPropertyAction; |
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class WindowsFileSystem |
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extends FileSystem |
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{ |
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private final WindowsFileSystemProvider provider; |
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|
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// default directory (is absolute), and default root |
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private final String defaultDirectory; |
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private final String defaultRoot; |
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private final boolean supportsLinks; |
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private final boolean supportsStreamEnumeration; |
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// package-private |
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WindowsFileSystem(WindowsFileSystemProvider provider, |
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String dir) |
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{ |
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this.provider = provider; |
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// parse default directory and check it is absolute |
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WindowsPathParser.Result result = WindowsPathParser.parse(dir); |
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if (result.type() != WindowsPathType.ABSOLUTE) |
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throw new AssertionError("Default directory must be absolute/non-UNC"); |
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this.defaultDirectory = result.path(); |
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this.defaultRoot = result.root(); |
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PrivilegedAction<String> pa = new GetPropertyAction("os.version"); |
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String osversion = AccessController.doPrivileged(pa); |
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String[] vers = osversion.split("\\.", 0); |
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int major = Integer.parseInt(vers[0]); |
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int minor = Integer.parseInt(vers[1]); |
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// symbolic links available on Vista and newer |
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supportsLinks = (major >= 6); |
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// enumeration of data streams available on Windows Server 2003 and newer |
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supportsStreamEnumeration = (major >= 6) || (major == 5 && minor >= 2); |
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} |
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// package-private |
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String defaultDirectory() { |
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return defaultDirectory; |
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} |
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String defaultRoot() { |
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return defaultRoot; |
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} |
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boolean supportsLinks() { |
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return supportsLinks; |
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} |
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boolean supportsStreamEnumeration() { |
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return supportsStreamEnumeration; |
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} |
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@Override |
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public FileSystemProvider provider() { |
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return provider; |
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} |
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@Override |
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public String getSeparator() { |
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return "\\"; |
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} |
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@Override |
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public boolean isOpen() { |
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return true; |
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} |
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@Override |
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public boolean isReadOnly() { |
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return false; |
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} |
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@Override |
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public void close() throws IOException { |
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throw new UnsupportedOperationException(); |
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} |
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|
118 |
|
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|
119 |
@Override |
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|
120 |
public Iterable<Path> getRootDirectories() { |
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|
121 |
int drives = 0; |
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|
122 |
try { |
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|
123 |
drives = WindowsNativeDispatcher.GetLogicalDrives(); |
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|
124 |
} catch (WindowsException x) { |
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|
125 |
// shouldn't happen |
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|
126 |
throw new AssertionError(x.getMessage()); |
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|
127 |
} |
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|
128 |
|
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|
129 |
// iterate over roots, ignoring those that the security manager denies |
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|
130 |
ArrayList<Path> result = new ArrayList<Path>(); |
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|
131 |
SecurityManager sm = System.getSecurityManager(); |
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|
132 |
for (int i = 0; i <= 25; i++) { // 0->A, 1->B, 2->C... |
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|
133 |
if ((drives & (1 << i)) != 0) { |
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|
134 |
StringBuilder sb = new StringBuilder(3); |
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|
135 |
sb.append((char)('A' + i)); |
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|
136 |
sb.append(":\\"); |
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|
137 |
String root = sb.toString(); |
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|
138 |
if (sm != null) { |
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|
139 |
try { |
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|
140 |
sm.checkRead(root); |
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|
141 |
} catch (SecurityException x) { |
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parents:
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|
142 |
continue; |
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parents:
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|
143 |
} |
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|
144 |
} |
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|
145 |
result.add(WindowsPath.createFromNormalizedPath(this, root)); |
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|
146 |
} |
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parents:
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|
147 |
} |
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|
148 |
return Collections.unmodifiableList(result); |
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|
149 |
} |
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|
150 |
|
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|
151 |
/** |
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|
152 |
* Iterator returned by getFileStores method. |
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|
153 |
*/ |
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|
154 |
private class FileStoreIterator implements Iterator<FileStore> { |
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|
155 |
private final Iterator<Path> roots; |
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|
156 |
private FileStore next; |
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parents:
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changeset
|
157 |
|
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parents:
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|
158 |
FileStoreIterator() { |
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parents:
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|
159 |
this.roots = getRootDirectories().iterator(); |
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|
160 |
} |
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parents:
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changeset
|
161 |
|
3acf8e5e2ca0
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parents:
diff
changeset
|
162 |
private FileStore readNext() { |
3acf8e5e2ca0
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parents:
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changeset
|
163 |
assert Thread.holdsLock(this); |
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parents:
diff
changeset
|
164 |
for (;;) { |
3acf8e5e2ca0
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parents:
diff
changeset
|
165 |
if (!roots.hasNext()) |
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parents:
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|
166 |
return null; |
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parents:
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|
167 |
WindowsPath root = (WindowsPath)roots.next(); |
3acf8e5e2ca0
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alanb
parents:
diff
changeset
|
168 |
// ignore if security manager denies access |
3acf8e5e2ca0
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parents:
diff
changeset
|
169 |
try { |
3acf8e5e2ca0
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|
170 |
root.checkRead(); |
3acf8e5e2ca0
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parents:
diff
changeset
|
171 |
} catch (SecurityException x) { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
172 |
continue; |
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alanb
parents:
diff
changeset
|
173 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
174 |
try { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
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parents:
diff
changeset
|
175 |
FileStore fs = WindowsFileStore.create(root.toString(), true); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
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parents:
diff
changeset
|
176 |
if (fs != null) |
3acf8e5e2ca0
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parents:
diff
changeset
|
177 |
return fs; |
3acf8e5e2ca0
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parents:
diff
changeset
|
178 |
} catch (IOException ioe) { |
3acf8e5e2ca0
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alanb
parents:
diff
changeset
|
179 |
// skip it |
3acf8e5e2ca0
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parents:
diff
changeset
|
180 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
181 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
182 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
183 |
|
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
184 |
@Override |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
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parents:
diff
changeset
|
185 |
public synchronized boolean hasNext() { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
186 |
if (next != null) |
3acf8e5e2ca0
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parents:
diff
changeset
|
187 |
return true; |
3acf8e5e2ca0
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alanb
parents:
diff
changeset
|
188 |
next = readNext(); |
3acf8e5e2ca0
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alanb
parents:
diff
changeset
|
189 |
return next != null; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
190 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
191 |
|
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
192 |
@Override |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
193 |
public synchronized FileStore next() { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
194 |
if (next == null) |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
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parents:
diff
changeset
|
195 |
next = readNext(); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
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parents:
diff
changeset
|
196 |
if (next == null) { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
197 |
throw new NoSuchElementException(); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
198 |
} else { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
199 |
FileStore result = next; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
200 |
next = null; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
201 |
return result; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
202 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
203 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
204 |
|
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
205 |
@Override |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
206 |
public void remove() { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
207 |
throw new UnsupportedOperationException(); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
208 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
209 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
210 |
|
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
211 |
@Override |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
212 |
public Iterable<FileStore> getFileStores() { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
213 |
SecurityManager sm = System.getSecurityManager(); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
214 |
if (sm != null) { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
215 |
try { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
216 |
sm.checkPermission(new RuntimePermission("getFileStoreAttributes")); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
217 |
} catch (SecurityException se) { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
218 |
return Collections.emptyList(); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
219 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
220 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
221 |
return new Iterable<FileStore>() { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
222 |
public Iterator<FileStore> iterator() { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
223 |
return new FileStoreIterator(); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
224 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
225 |
}; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
226 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
227 |
|
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
228 |
// supported views |
3acf8e5e2ca0
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alanb
parents:
diff
changeset
|
229 |
private static final Set<String> supportedFileAttributeViews = Collections |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
230 |
.unmodifiableSet(new HashSet<String>(Arrays.asList("basic", "dos", "acl", "owner", "xattr"))); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
231 |
|
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
232 |
@Override |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
233 |
public Set<String> supportedFileAttributeViews() { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
234 |
return supportedFileAttributeViews; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
235 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
236 |
|
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@Override |
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public Path getPath(String path) { |
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WindowsPathParser.Result result = WindowsPathParser.parse(path); |
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return new WindowsPath(this, result.type(), result.root(), result.path()); |
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} |
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|
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|
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@Override |
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public UserPrincipalLookupService getUserPrincipalLookupService() { |
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return theLookupService; |
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} |
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|
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private static final UserPrincipalLookupService theLookupService = |
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new UserPrincipalLookupService() { |
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@Override |
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public UserPrincipal lookupPrincipalByName(String name) |
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throws IOException |
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{ |
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return WindowsUserPrincipals.lookup(name); |
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} |
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@Override |
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public GroupPrincipal lookupPrincipalByGroupName(String group) |
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throws IOException |
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{ |
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UserPrincipal user = WindowsUserPrincipals.lookup(group); |
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if (!(user instanceof GroupPrincipal)) |
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throw new UserPrincipalNotFoundException(group); |
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return (GroupPrincipal)user; |
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} |
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}; |
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|
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@Override |
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public PathMatcher getPathMatcher(String syntaxAndInput) { |
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int pos = syntaxAndInput.indexOf(':'); |
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if (pos <= 0 || pos == syntaxAndInput.length()) |
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throw new IllegalArgumentException(); |
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String syntax = syntaxAndInput.substring(0, pos); |
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String input = syntaxAndInput.substring(pos+1); |
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|
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String expr; |
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if (syntax.equals(GLOB_SYNTAX)) { |
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expr = Globs.toWindowsRegexPattern(input); |
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} else { |
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if (syntax.equals(REGEX_SYNTAX)) { |
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expr = input; |
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} else { |
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throw new UnsupportedOperationException("Syntax '" + syntax + |
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"' not recognized"); |
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} |
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} |
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|
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// match in uppercase |
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StringBuilder sb = new StringBuilder(expr.length()); |
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for (int i=0; i<expr.length(); i++) { |
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sb.append(Character.toUpperCase(expr.charAt(i))); |
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} |
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expr = sb.toString(); |
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|
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// return matcher |
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final Pattern pattern = Pattern.compile(expr); |
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return new PathMatcher() { |
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@Override |
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public boolean matches(Path path) { |
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// match in uppercase |
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String s = path.toString(); |
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StringBuilder sb = new StringBuilder(s.length()); |
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for (int i=0; i<s.length(); i++) { |
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sb.append( Character.toUpperCase(s.charAt(i)) ); |
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} |
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return pattern.matcher(sb).matches(); |
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} |
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}; |
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} |
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private static final String GLOB_SYNTAX = "glob"; |
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private static final String REGEX_SYNTAX = "regex"; |
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|
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@Override |
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public WatchService newWatchService() |
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throws IOException |
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{ |
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return new WindowsWatchService(this); |
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} |
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} |