jdk/src/solaris/classes/sun/nio/fs/DefaultFileSystemProvider.java
changeset 2057 3acf8e5e2ca0
child 5506 202f599c92aa
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/solaris/classes/sun/nio/fs/DefaultFileSystemProvider.java	Sun Feb 15 12:25:54 2009 +0000
@@ -0,0 +1,73 @@
+/*
+ * 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.spi.FileSystemProvider;
+import java.security.AccessController;
+import java.security.PrivilegedAction;
+import sun.security.action.GetPropertyAction;
+
+/**
+ * Creates this platform's default FileSystemProvider.
+ */
+
+public class DefaultFileSystemProvider {
+    private DefaultFileSystemProvider() { }
+
+    @SuppressWarnings("unchecked")
+    private static FileSystemProvider createProvider(final String cn) {
+        return AccessController
+            .doPrivileged(new PrivilegedAction<FileSystemProvider>() {
+                public FileSystemProvider run() {
+                    Class<FileSystemProvider> c;
+                    try {
+                        c = (Class<FileSystemProvider>)Class.forName(cn, true, null);
+                    } catch (ClassNotFoundException x) {
+                        throw new AssertionError(x);
+                    }
+                    try {
+                        return c.newInstance();
+                    } catch (IllegalAccessException x) {
+                        throw new AssertionError(x);
+                    } catch (InstantiationException x) {
+                        throw new AssertionError(x);
+                    }
+            }});
+    }
+
+    /**
+     * Returns the default FileSystemProvider.
+     */
+    public static FileSystemProvider create() {
+        String osname = AccessController
+            .doPrivileged(new GetPropertyAction("os.name"));
+        if (osname.equals("SunOS"))
+            return createProvider("sun.nio.fs.SolarisFileSystemProvider");
+        if (osname.equals("Linux"))
+            return createProvider("sun.nio.fs.LinuxFileSystemProvider");
+        throw new AssertionError("Platform not recognized");
+    }
+}