author | alanb |
Sun, 15 Feb 2009 12:25:54 +0000 | |
changeset 2057 | 3acf8e5e2ca0 |
child 5506 | 202f599c92aa |
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.spi.*; |
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import java.nio.file.attribute.*; |
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import java.nio.channels.*; |
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import java.net.URI; |
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import java.util.concurrent.ExecutorService; |
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import java.io.IOException; |
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import java.util.*; |
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|
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import sun.nio.ch.ThreadPool; |
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|
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public class WindowsFileSystemProvider |
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extends FileSystemProvider |
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{ |
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private static final String USER_DIR = "user.dir"; |
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private final WindowsFileSystem theFileSystem; |
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|
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public WindowsFileSystemProvider() { |
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theFileSystem = new WindowsFileSystem(this, System.getProperty(USER_DIR)); |
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} |
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@Override |
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public String getScheme() { |
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return "file"; |
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} |
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private void checkUri(URI uri) { |
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if (!uri.getScheme().equalsIgnoreCase(getScheme())) |
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throw new IllegalArgumentException("URI does not match this provider"); |
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if (uri.getAuthority() != null) |
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throw new IllegalArgumentException("Authority component present"); |
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if (uri.getPath() == null) |
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throw new IllegalArgumentException("Path component is undefined"); |
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if (!uri.getPath().equals("/")) |
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throw new IllegalArgumentException("Path component should be '/'"); |
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if (uri.getQuery() != null) |
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throw new IllegalArgumentException("Query component present"); |
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if (uri.getFragment() != null) |
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throw new IllegalArgumentException("Fragment component present"); |
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} |
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@Override |
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public FileSystem newFileSystem(URI uri, Map<String,?> env) |
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throws IOException |
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{ |
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checkUri(uri); |
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throw new FileSystemAlreadyExistsException(); |
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} |
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@Override |
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public final FileSystem getFileSystem(URI uri) { |
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checkUri(uri); |
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return theFileSystem; |
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} |
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@Override |
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public Path getPath(URI uri) { |
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return WindowsUriSupport.fromUri(theFileSystem, uri); |
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} |
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@Override |
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public FileChannel newFileChannel(Path path, |
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Set<? extends OpenOption> options, |
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FileAttribute<?>... attrs) |
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throws IOException |
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{ |
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if (path == null) |
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throw new NullPointerException(); |
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if (!(path instanceof WindowsPath)) |
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throw new ProviderMismatchException(); |
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WindowsPath file = (WindowsPath)path; |
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|
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WindowsSecurityDescriptor sd = WindowsSecurityDescriptor.fromAttribute(attrs); |
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try { |
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return WindowsChannelFactory |
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.newFileChannel(file.getPathForWin32Calls(), |
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file.getPathForPermissionCheck(), |
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options, |
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sd.address()); |
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} catch (WindowsException x) { |
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x.rethrowAsIOException(file); |
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return null; |
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} finally { |
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if (sd != null) |
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sd.release(); |
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} |
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} |
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@Override |
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public AsynchronousFileChannel newAsynchronousFileChannel(Path path, |
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Set<? extends OpenOption> options, |
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ExecutorService executor, |
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FileAttribute<?>... attrs) |
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throws IOException |
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{ |
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if (path == null) |
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throw new NullPointerException(); |
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if (!(path instanceof WindowsPath)) |
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throw new ProviderMismatchException(); |
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WindowsPath file = (WindowsPath)path; |
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ThreadPool pool = (executor == null) ? null : ThreadPool.wrap(executor, 0); |
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WindowsSecurityDescriptor sd = |
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WindowsSecurityDescriptor.fromAttribute(attrs); |
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try { |
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return WindowsChannelFactory |
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.newAsynchronousFileChannel(file.getPathForWin32Calls(), |
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file.getPathForPermissionCheck(), |
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options, |
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sd.address(), |
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pool); |
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} catch (WindowsException x) { |
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x.rethrowAsIOException(file); |
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return null; |
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} finally { |
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if (sd != null) |
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sd.release(); |
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} |
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} |
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} |