1 /*

     2  * Copyright (c) 2008, 2013, Oracle and/or its affiliates. All rights reserved.

     3  * Copyright 2013 SAP AG. All rights reserved.

     4  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     5  *

     6  * This code is free software; you can redistribute it and/or modify it

     7  * under the terms of the GNU General Public License version 2 only, as

     8  * published by the Free Software Foundation.  Oracle designates this

     9  * particular file as subject to the "Classpath" exception as provided

    10  * by Oracle in the LICENSE file that accompanied this code.

    11  *

    12  * This code is distributed in the hope that it will be useful, but WITHOUT

    13  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    14  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    15  * version 2 for more details (a copy is included in the LICENSE file that

    16  * accompanied this code).

    17  *

    18  * You should have received a copy of the GNU General Public License version

    19  * 2 along with this work; if not, write to the Free Software Foundation,

    20  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    21  *

    22  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    23  * or visit www.oracle.com if you need additional information or have any

    24  * questions.

    25  */

    26 

    27 package sun.nio.fs;

    28 

    29 import java.nio.file.*;

    30 import java.nio.file.attribute.*;

    31 import java.io.IOException;

    32 import java.util.*;

    33 import static sun.nio.fs.AixNativeDispatcher.*;

    34 

    35 /**

    36  * AIX implementation of FileSystem

    37  */

    38 

    39 class AixFileSystem extends UnixFileSystem {

    40 

    41     AixFileSystem(UnixFileSystemProvider provider, String dir) {

    42         super(provider, dir);

    43     }

    44 

    45     @Override

    46     public WatchService newWatchService()

    47         throws IOException

    48     {

    49         return new PollingWatchService();

    50     }

    51 

    52     // lazy initialization of the list of supported attribute views

    53     private static class SupportedFileFileAttributeViewsHolder {

    54         static final Set<String> supportedFileAttributeViews =

    55             supportedFileAttributeViews();

    56         private static Set<String> supportedFileAttributeViews() {

    57             Set<String> result = new HashSet<String>();

    58             result.addAll(UnixFileSystem.standardFileAttributeViews());

    59             return Collections.unmodifiableSet(result);

    60         }

    61     }

    62 

    63     @Override

    64     public Set<String> supportedFileAttributeViews() {

    65         return SupportedFileFileAttributeViewsHolder.supportedFileAttributeViews;

    66     }

    67 

    68     @Override

    69     void copyNonPosixAttributes(int ofd, int nfd) {

    70         // TODO: Implement if needed.

    71     }

    72 

    73     /**

    74      * Returns object to iterate over the mount entries returned by mntctl

    75      */

    76     @Override

    77     Iterable<UnixMountEntry> getMountEntries() {

    78         UnixMountEntry[] entries = null;

    79         try {

    80             entries = getmntctl();

    81         } catch (UnixException x) {

    82             // nothing we can do

    83         }

    84         if (entries == null) {

    85             return Collections.emptyList();

    86         }

    87         return Arrays.asList(entries);

    88     }

    89 

    90     @Override

    91     FileStore getFileStore(UnixMountEntry entry) throws IOException {

    92         return new AixFileStore(this, entry);

    93     }

    94 }