| /* |
| * Copyright (c) 2008, 2009, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package sun.nio.fs; |
| |
| import java.nio.file.*; |
| import java.nio.file.spi.*; |
| import java.nio.file.attribute.*; |
| import java.nio.channels.*; |
| import java.net.URI; |
| import java.util.concurrent.ExecutorService; |
| import java.io.IOException; |
| import java.util.*; |
| |
| import sun.nio.ch.ThreadPool; |
| |
| public class WindowsFileSystemProvider |
| extends FileSystemProvider |
| { |
| private static final String USER_DIR = "user.dir"; |
| private final WindowsFileSystem theFileSystem; |
| |
| public WindowsFileSystemProvider() { |
| theFileSystem = new WindowsFileSystem(this, System.getProperty(USER_DIR)); |
| } |
| |
| @Override |
| public String getScheme() { |
| return "file"; |
| } |
| |
| private void checkUri(URI uri) { |
| if (!uri.getScheme().equalsIgnoreCase(getScheme())) |
| throw new IllegalArgumentException("URI does not match this provider"); |
| if (uri.getAuthority() != null) |
| throw new IllegalArgumentException("Authority component present"); |
| if (uri.getPath() == null) |
| throw new IllegalArgumentException("Path component is undefined"); |
| if (!uri.getPath().equals("/")) |
| throw new IllegalArgumentException("Path component should be '/'"); |
| if (uri.getQuery() != null) |
| throw new IllegalArgumentException("Query component present"); |
| if (uri.getFragment() != null) |
| throw new IllegalArgumentException("Fragment component present"); |
| } |
| |
| @Override |
| public FileSystem newFileSystem(URI uri, Map<String,?> env) |
| throws IOException |
| { |
| checkUri(uri); |
| throw new FileSystemAlreadyExistsException(); |
| } |
| |
| @Override |
| public final FileSystem getFileSystem(URI uri) { |
| checkUri(uri); |
| return theFileSystem; |
| } |
| |
| @Override |
| public Path getPath(URI uri) { |
| return WindowsUriSupport.fromUri(theFileSystem, uri); |
| } |
| |
| @Override |
| public FileChannel newFileChannel(Path path, |
| Set<? extends OpenOption> options, |
| FileAttribute<?>... attrs) |
| throws IOException |
| { |
| if (path == null) |
| throw new NullPointerException(); |
| if (!(path instanceof WindowsPath)) |
| throw new ProviderMismatchException(); |
| WindowsPath file = (WindowsPath)path; |
| |
| WindowsSecurityDescriptor sd = WindowsSecurityDescriptor.fromAttribute(attrs); |
| try { |
| return WindowsChannelFactory |
| .newFileChannel(file.getPathForWin32Calls(), |
| file.getPathForPermissionCheck(), |
| options, |
| sd.address()); |
| } catch (WindowsException x) { |
| x.rethrowAsIOException(file); |
| return null; |
| } finally { |
| if (sd != null) |
| sd.release(); |
| } |
| } |
| |
| @Override |
| public AsynchronousFileChannel newAsynchronousFileChannel(Path path, |
| Set<? extends OpenOption> options, |
| ExecutorService executor, |
| FileAttribute<?>... attrs) |
| throws IOException |
| { |
| if (path == null) |
| throw new NullPointerException(); |
| if (!(path instanceof WindowsPath)) |
| throw new ProviderMismatchException(); |
| WindowsPath file = (WindowsPath)path; |
| ThreadPool pool = (executor == null) ? null : ThreadPool.wrap(executor, 0); |
| WindowsSecurityDescriptor sd = |
| WindowsSecurityDescriptor.fromAttribute(attrs); |
| try { |
| return WindowsChannelFactory |
| .newAsynchronousFileChannel(file.getPathForWin32Calls(), |
| file.getPathForPermissionCheck(), |
| options, |
| sd.address(), |
| pool); |
| } catch (WindowsException x) { |
| x.rethrowAsIOException(file); |
| return null; |
| } finally { |
| if (sd != null) |
| sd.release(); |
| } |
| } |
| } |