1 /*

     2  * Copyright (c) 2014, 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 jdk.internal.jrtfs;

    27 

    28 import java.io.IOException;

    29 import java.nio.file.Files;

    30 import java.nio.file.FileStore;

    31 import java.nio.file.FileSystems;

    32 import java.nio.file.Path;

    33 import java.nio.file.attribute.FileAttributeView;

    34 import java.nio.file.attribute.FileStoreAttributeView;

    35 import java.nio.file.attribute.BasicFileAttributeView;

    36 

    37 final class JrtFileStore extends FileStore {

    38 

    39     private final JrtFileSystem jrtfs;

    40 

    41     JrtFileStore(JrtPath jrtPath) {

    42         this.jrtfs = jrtPath.getFileSystem();

    43     }

    44 

    45     @Override

    46     public String name() {

    47         return jrtfs.toString() + "/";

    48     }

    49 

    50     @Override

    51     public String type() {

    52         return "jrtfs";

    53     }

    54 

    55     @Override

    56     public boolean isReadOnly() {

    57         return jrtfs.isReadOnly();

    58     }

    59 

    60     @Override

    61     public boolean supportsFileAttributeView(Class<? extends FileAttributeView> type) {

    62         return (type == BasicFileAttributeView.class ||

    63                 type == JrtFileAttributeView.class);

    64     }

    65 

    66     @Override

    67     public boolean supportsFileAttributeView(String name) {

    68         return name.equals("basic") || name.equals("jrt");

    69     }

    70 

    71     @Override

    72     @SuppressWarnings("unchecked")

    73     public <V extends FileStoreAttributeView> V getFileStoreAttributeView(Class<V> type) {

    74         if (type == null)

    75             throw new NullPointerException();

    76         return (V)null;

    77     }

    78 

    79     @Override

    80     public long getTotalSpace() throws IOException {

    81          throw new UnsupportedOperationException("getTotalSpace");

    82     }

    83 

    84     @Override

    85     public long getUsableSpace() throws IOException {

    86          throw new UnsupportedOperationException("getUsableSpace");

    87     }

    88 

    89     @Override

    90     public long getUnallocatedSpace() throws IOException {

    91          throw new UnsupportedOperationException("getUnallocatedSpace");

    92     }

    93 

    94     @Override

    95     public Object getAttribute(String attribute) throws IOException {

    96          throw new UnsupportedOperationException("does not support " + attribute);

    97     }

    98 }