--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/solaris/classes/sun/nio/fs/UnixFileSystemProvider.java	Sun Feb 15 12:25:54 2009 +0000
@@ -0,0 +1,139 @@
+/*
+ * Copyright 2008-2009 Sun Microsystems, Inc.  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.  Sun designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+package sun.nio.fs;
+
+import java.nio.file.*;
+import java.nio.file.attribute.*;
+import java.nio.file.spi.FileSystemProvider;
+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;
+
+/**
+ * Base implementation of FileSystemProvider
+ */
+
+public abstract class UnixFileSystemProvider
+    extends FileSystemProvider
+{
+    private static final String USER_DIR = "user.dir";
+    private final UnixFileSystem theFileSystem;
+
+    public UnixFileSystemProvider() {
+        String userDir = System.getProperty(USER_DIR);
+        theFileSystem = newFileSystem(userDir);
+    }
+
+    /**
+     * Constructs a new file system using the given default directory.
+     */
+    abstract UnixFileSystem newFileSystem(String dir);
+
+    @Override
+    public final 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 final FileSystem newFileSystem(URI uri, Map<String,?> env) {
+        checkUri(uri);
+        throw new FileSystemAlreadyExistsException();
+    }
+
+    @Override
+    public final FileSystem getFileSystem(URI uri) {
+        checkUri(uri);
+        return theFileSystem;
+    }
+
+    @Override
+    public Path getPath(URI uri) {
+        return UnixUriUtils.fromUri(theFileSystem, uri);
+    }
+
+    private UnixPath checkPath(Path obj) {
+        if (obj == null)
+            throw new NullPointerException();
+        if (!(obj instanceof UnixPath))
+            throw new ProviderMismatchException();
+        return (UnixPath)obj;
+    }
+
+    @Override
+    public final FileChannel newFileChannel(Path obj,
+                                            Set<? extends OpenOption> options,
+                                            FileAttribute<?>... attrs)
+        throws IOException
+    {
+        UnixPath file = checkPath(obj);
+        int mode = UnixFileModeAttribute
+            .toUnixMode(UnixFileModeAttribute.ALL_READWRITE, attrs);
+        try {
+            return UnixChannelFactory.newFileChannel(file, options, mode);
+        } catch (UnixException x) {
+            x.rethrowAsIOException(file);
+            return null;
+        }
+    }
+
+    @Override
+    public final AsynchronousFileChannel newAsynchronousFileChannel(Path obj,
+                                                                    Set<? extends OpenOption> options,
+                                                                    ExecutorService executor,
+                                                                    FileAttribute<?>... attrs) throws IOException
+    {
+        UnixPath file = checkPath(obj);
+        int mode = UnixFileModeAttribute
+            .toUnixMode(UnixFileModeAttribute.ALL_READWRITE, attrs);
+        ThreadPool pool = (executor == null) ? null : ThreadPool.wrap(executor, 0);
+        try {
+            return UnixChannelFactory
+                .newAsynchronousFileChannel(file, options, mode, pool);
+        } catch (UnixException x) {
+            x.rethrowAsIOException(file);
+            return null;
+        }
+    }
+}