1 /*
   2  * Copyright (c) 2004, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package sun.management;
  27 
  28 import java.io.File;
  29 import java.io.IOException;
  30 
  31 /*
  32  * Windows implementation of sun.management.FileSystem
  33  */
  34 public class FileSystemImpl extends FileSystem {
  35 
  36     public boolean supportsFileSecurity(File f) throws IOException {
  37         return isSecuritySupported0(f.getAbsolutePath());
  38     }
  39 
  40     public boolean isAccessUserOnly(File f) throws IOException {
  41         String path = f.getAbsolutePath();
  42         if (!isSecuritySupported0(path)) {
  43             throw new UnsupportedOperationException("File system does not support file security");
  44         }
  45         return isAccessUserOnly0(path);
  46     }
  47 
  48     // Native methods
  49 
  50     static native void init0();
  51 
  52     static native boolean isSecuritySupported0(String path) throws IOException;
  53 
  54     static native boolean isAccessUserOnly0(String path) throws IOException;
  55 
  56     // Initialization
  57 
  58     static {
  59         java.security.AccessController
  60             .doPrivileged(new java.security.PrivilegedAction<Void>() {
  61                 public Void run() {
  62                     System.loadLibrary("management");
  63                     return null;
  64                 }
  65             });
  66 
  67         init0();
  68     }
  69 }