jdk/src/java.base/windows/classes/sun/nio/fs/WindowsPath.java
author bpb
Fri, 06 Feb 2015 08:05:44 -0800
changeset 28847 5667388e3a79
parent 28244 1b52033818b1
child 37355 5ab49ea6e03a
permissions -rw-r--r--
8072495: (fs) Path.relativize() gives incorrect result for empty path on Windows Summary: Correct handling of empty path in Windows version of relativize() Reviewed-by: alanb, dfuchs
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
2057
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
     1
/*
23010
6dadb192ad81 8029235: Update copyright year to match last edit in jdk8 jdk repository for 2013
lana
parents: 21278
diff changeset
     2
 * Copyright (c) 2008, 2013, Oracle and/or its affiliates. All rights reserved.
2057
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
     3
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
     4
 *
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
     5
 * This code is free software; you can redistribute it and/or modify it
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
     6
 * under the terms of the GNU General Public License version 2 only, as
5506
202f599c92aa 6943119: Rebrand source copyright notices
ohair
parents: 3326
diff changeset
     7
 * published by the Free Software Foundation.  Oracle designates this
2057
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
     8
 * particular file as subject to the "Classpath" exception as provided
5506
202f599c92aa 6943119: Rebrand source copyright notices
ohair
parents: 3326
diff changeset
     9
 * by Oracle in the LICENSE file that accompanied this code.
2057
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
    10
 *
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
    11
 * This code is distributed in the hope that it will be useful, but WITHOUT
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
    12
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
    13
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
    14
 * version 2 for more details (a copy is included in the LICENSE file that
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
    15
 * accompanied this code).
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
    16
 *
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
    17
 * You should have received a copy of the GNU General Public License version
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
    18
 * 2 along with this work; if not, write to the Free Software Foundation,
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
    19
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
    20
 *
5506
202f599c92aa 6943119: Rebrand source copyright notices
ohair
parents: 3326
diff changeset
    21
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
202f599c92aa 6943119: Rebrand source copyright notices
ohair
parents: 3326
diff changeset
    22
 * or visit www.oracle.com if you need additional information or have any
202f599c92aa 6943119: Rebrand source copyright notices
ohair
parents: 3326
diff changeset
    23
 * questions.
2057
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
    24
 */
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
    25
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
    26
package sun.nio.fs;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
    27
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
    28
import java.nio.file.*;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
    29
import java.nio.file.attribute.*;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
    30
import java.io.*;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
    31
import java.net.URI;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
    32
import java.util.*;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
    33
import java.lang.ref.WeakReference;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
    34
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
    35
import com.sun.nio.file.ExtendedWatchEventModifier;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
    36
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
    37
import static sun.nio.fs.WindowsNativeDispatcher.*;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
    38
import static sun.nio.fs.WindowsConstants.*;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
    39
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
    40
/**
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
    41
 * Windows implementation of Path
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
    42
 */
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
    43
28244
1b52033818b1 8030090: (fs) Add default methods to Path for derived methods
bpb
parents: 25859
diff changeset
    44
class WindowsPath implements Path {
2057
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
    45
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
    46
    // The maximum path that does not require long path prefix. On Windows
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
    47
    // the maximum path is 260 minus 1 (NUL) but for directories it is 260
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
    48
    // minus 12 minus 1 (to allow for the creation of a 8.3 file in the
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
    49
    // directory).
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
    50
    private static final int MAX_PATH = 247;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
    51
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
    52
    // Maximum extended-length path
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
    53
    private static final int MAX_LONG_PATH = 32000;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
    54
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
    55
    // FIXME - eliminate this reference to reduce space
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
    56
    private final WindowsFileSystem fs;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
    57
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
    58
    // path type
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
    59
    private final WindowsPathType type;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
    60
    // root component (may be empty)
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
    61
    private final String root;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
    62
    // normalized path
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
    63
    private final String path;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
    64
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
    65
    // the path to use in Win32 calls. This differs from path for relative
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
    66
    // paths and has a long path prefix for all paths longer than MAX_PATH.
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
    67
    private volatile WeakReference<String> pathForWin32Calls;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
    68
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
    69
    // offsets into name components (computed lazily)
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
    70
    private volatile Integer[] offsets;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
    71
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
    72
    // computed hash code (computed lazily, no need to be volatile)
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
    73
    private int hash;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
    74
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
    75
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
    76
    /**
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
    77
     * Initializes a new instance of this class.
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
    78
     */
2071
5e6af6d106cb 6808647: (file) Paths.get("C:").newDirectoryStream() iterates over Path elements with additional slash [win]
alanb
parents: 2057
diff changeset
    79
    private WindowsPath(WindowsFileSystem fs,
5e6af6d106cb 6808647: (file) Paths.get("C:").newDirectoryStream() iterates over Path elements with additional slash [win]
alanb
parents: 2057
diff changeset
    80
                        WindowsPathType type,
5e6af6d106cb 6808647: (file) Paths.get("C:").newDirectoryStream() iterates over Path elements with additional slash [win]
alanb
parents: 2057
diff changeset
    81
                        String root,
5e6af6d106cb 6808647: (file) Paths.get("C:").newDirectoryStream() iterates over Path elements with additional slash [win]
alanb
parents: 2057
diff changeset
    82
                        String path)
2057
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
    83
    {
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
    84
        this.fs = fs;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
    85
        this.type = type;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
    86
        this.root = root;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
    87
        this.path = path;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
    88
    }
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
    89
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
    90
    /**
2071
5e6af6d106cb 6808647: (file) Paths.get("C:").newDirectoryStream() iterates over Path elements with additional slash [win]
alanb
parents: 2057
diff changeset
    91
     * Creates a Path by parsing the given path.
2057
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
    92
     */
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
    93
    static WindowsPath parse(WindowsFileSystem fs, String path) {
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
    94
        WindowsPathParser.Result result = WindowsPathParser.parse(path);
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
    95
        return new WindowsPath(fs, result.type(), result.root(), result.path());
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
    96
    }
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
    97
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
    98
    /**
2071
5e6af6d106cb 6808647: (file) Paths.get("C:").newDirectoryStream() iterates over Path elements with additional slash [win]
alanb
parents: 2057
diff changeset
    99
     * Creates a Path from a given path that is known to be normalized.
2057
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   100
     */
2071
5e6af6d106cb 6808647: (file) Paths.get("C:").newDirectoryStream() iterates over Path elements with additional slash [win]
alanb
parents: 2057
diff changeset
   101
    static WindowsPath createFromNormalizedPath(WindowsFileSystem fs,
5e6af6d106cb 6808647: (file) Paths.get("C:").newDirectoryStream() iterates over Path elements with additional slash [win]
alanb
parents: 2057
diff changeset
   102
                                                String path,
5e6af6d106cb 6808647: (file) Paths.get("C:").newDirectoryStream() iterates over Path elements with additional slash [win]
alanb
parents: 2057
diff changeset
   103
                                                BasicFileAttributes attrs)
5e6af6d106cb 6808647: (file) Paths.get("C:").newDirectoryStream() iterates over Path elements with additional slash [win]
alanb
parents: 2057
diff changeset
   104
    {
2057
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   105
        try {
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   106
            WindowsPathParser.Result result =
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   107
                WindowsPathParser.parseNormalizedPath(path);
2071
5e6af6d106cb 6808647: (file) Paths.get("C:").newDirectoryStream() iterates over Path elements with additional slash [win]
alanb
parents: 2057
diff changeset
   108
            if (attrs == null) {
5e6af6d106cb 6808647: (file) Paths.get("C:").newDirectoryStream() iterates over Path elements with additional slash [win]
alanb
parents: 2057
diff changeset
   109
                return new WindowsPath(fs,
5e6af6d106cb 6808647: (file) Paths.get("C:").newDirectoryStream() iterates over Path elements with additional slash [win]
alanb
parents: 2057
diff changeset
   110
                                       result.type(),
5e6af6d106cb 6808647: (file) Paths.get("C:").newDirectoryStream() iterates over Path elements with additional slash [win]
alanb
parents: 2057
diff changeset
   111
                                       result.root(),
5e6af6d106cb 6808647: (file) Paths.get("C:").newDirectoryStream() iterates over Path elements with additional slash [win]
alanb
parents: 2057
diff changeset
   112
                                       result.path());
5e6af6d106cb 6808647: (file) Paths.get("C:").newDirectoryStream() iterates over Path elements with additional slash [win]
alanb
parents: 2057
diff changeset
   113
            } else {
5e6af6d106cb 6808647: (file) Paths.get("C:").newDirectoryStream() iterates over Path elements with additional slash [win]
alanb
parents: 2057
diff changeset
   114
                return new WindowsPathWithAttributes(fs,
5e6af6d106cb 6808647: (file) Paths.get("C:").newDirectoryStream() iterates over Path elements with additional slash [win]
alanb
parents: 2057
diff changeset
   115
                                                     result.type(),
5e6af6d106cb 6808647: (file) Paths.get("C:").newDirectoryStream() iterates over Path elements with additional slash [win]
alanb
parents: 2057
diff changeset
   116
                                                     result.root(),
5e6af6d106cb 6808647: (file) Paths.get("C:").newDirectoryStream() iterates over Path elements with additional slash [win]
alanb
parents: 2057
diff changeset
   117
                                                     result.path(),
5e6af6d106cb 6808647: (file) Paths.get("C:").newDirectoryStream() iterates over Path elements with additional slash [win]
alanb
parents: 2057
diff changeset
   118
                                                     attrs);
5e6af6d106cb 6808647: (file) Paths.get("C:").newDirectoryStream() iterates over Path elements with additional slash [win]
alanb
parents: 2057
diff changeset
   119
            }
2057
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   120
        } catch (InvalidPathException x) {
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   121
            throw new AssertionError(x.getMessage());
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   122
        }
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   123
    }
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   124
2071
5e6af6d106cb 6808647: (file) Paths.get("C:").newDirectoryStream() iterates over Path elements with additional slash [win]
alanb
parents: 2057
diff changeset
   125
    /**
5e6af6d106cb 6808647: (file) Paths.get("C:").newDirectoryStream() iterates over Path elements with additional slash [win]
alanb
parents: 2057
diff changeset
   126
     * Creates a WindowsPath from a given path that is known to be normalized.
5e6af6d106cb 6808647: (file) Paths.get("C:").newDirectoryStream() iterates over Path elements with additional slash [win]
alanb
parents: 2057
diff changeset
   127
     */
5e6af6d106cb 6808647: (file) Paths.get("C:").newDirectoryStream() iterates over Path elements with additional slash [win]
alanb
parents: 2057
diff changeset
   128
    static WindowsPath createFromNormalizedPath(WindowsFileSystem fs,
5e6af6d106cb 6808647: (file) Paths.get("C:").newDirectoryStream() iterates over Path elements with additional slash [win]
alanb
parents: 2057
diff changeset
   129
                                                String path)
5e6af6d106cb 6808647: (file) Paths.get("C:").newDirectoryStream() iterates over Path elements with additional slash [win]
alanb
parents: 2057
diff changeset
   130
    {
5e6af6d106cb 6808647: (file) Paths.get("C:").newDirectoryStream() iterates over Path elements with additional slash [win]
alanb
parents: 2057
diff changeset
   131
        return createFromNormalizedPath(fs, path, null);
5e6af6d106cb 6808647: (file) Paths.get("C:").newDirectoryStream() iterates over Path elements with additional slash [win]
alanb
parents: 2057
diff changeset
   132
    }
5e6af6d106cb 6808647: (file) Paths.get("C:").newDirectoryStream() iterates over Path elements with additional slash [win]
alanb
parents: 2057
diff changeset
   133
5e6af6d106cb 6808647: (file) Paths.get("C:").newDirectoryStream() iterates over Path elements with additional slash [win]
alanb
parents: 2057
diff changeset
   134
    /**
5e6af6d106cb 6808647: (file) Paths.get("C:").newDirectoryStream() iterates over Path elements with additional slash [win]
alanb
parents: 2057
diff changeset
   135
     * Special implementation with attached/cached attributes (used to quicken
23887
7b2fb8d5f6be 8040262: (fs) Misc. typos in comments and implementation
alanb
parents: 23010
diff changeset
   136
     * file tree traversal)
2071
5e6af6d106cb 6808647: (file) Paths.get("C:").newDirectoryStream() iterates over Path elements with additional slash [win]
alanb
parents: 2057
diff changeset
   137
     */
5e6af6d106cb 6808647: (file) Paths.get("C:").newDirectoryStream() iterates over Path elements with additional slash [win]
alanb
parents: 2057
diff changeset
   138
    private static class WindowsPathWithAttributes
5e6af6d106cb 6808647: (file) Paths.get("C:").newDirectoryStream() iterates over Path elements with additional slash [win]
alanb
parents: 2057
diff changeset
   139
        extends WindowsPath implements BasicFileAttributesHolder
5e6af6d106cb 6808647: (file) Paths.get("C:").newDirectoryStream() iterates over Path elements with additional slash [win]
alanb
parents: 2057
diff changeset
   140
    {
5e6af6d106cb 6808647: (file) Paths.get("C:").newDirectoryStream() iterates over Path elements with additional slash [win]
alanb
parents: 2057
diff changeset
   141
        final WeakReference<BasicFileAttributes> ref;
5e6af6d106cb 6808647: (file) Paths.get("C:").newDirectoryStream() iterates over Path elements with additional slash [win]
alanb
parents: 2057
diff changeset
   142
5e6af6d106cb 6808647: (file) Paths.get("C:").newDirectoryStream() iterates over Path elements with additional slash [win]
alanb
parents: 2057
diff changeset
   143
        WindowsPathWithAttributes(WindowsFileSystem fs,
5e6af6d106cb 6808647: (file) Paths.get("C:").newDirectoryStream() iterates over Path elements with additional slash [win]
alanb
parents: 2057
diff changeset
   144
                                  WindowsPathType type,
5e6af6d106cb 6808647: (file) Paths.get("C:").newDirectoryStream() iterates over Path elements with additional slash [win]
alanb
parents: 2057
diff changeset
   145
                                  String root,
5e6af6d106cb 6808647: (file) Paths.get("C:").newDirectoryStream() iterates over Path elements with additional slash [win]
alanb
parents: 2057
diff changeset
   146
                                  String path,
5e6af6d106cb 6808647: (file) Paths.get("C:").newDirectoryStream() iterates over Path elements with additional slash [win]
alanb
parents: 2057
diff changeset
   147
                                  BasicFileAttributes attrs)
5e6af6d106cb 6808647: (file) Paths.get("C:").newDirectoryStream() iterates over Path elements with additional slash [win]
alanb
parents: 2057
diff changeset
   148
        {
5e6af6d106cb 6808647: (file) Paths.get("C:").newDirectoryStream() iterates over Path elements with additional slash [win]
alanb
parents: 2057
diff changeset
   149
            super(fs, type, root, path);
5e6af6d106cb 6808647: (file) Paths.get("C:").newDirectoryStream() iterates over Path elements with additional slash [win]
alanb
parents: 2057
diff changeset
   150
            ref = new WeakReference<BasicFileAttributes>(attrs);
5e6af6d106cb 6808647: (file) Paths.get("C:").newDirectoryStream() iterates over Path elements with additional slash [win]
alanb
parents: 2057
diff changeset
   151
        }
5e6af6d106cb 6808647: (file) Paths.get("C:").newDirectoryStream() iterates over Path elements with additional slash [win]
alanb
parents: 2057
diff changeset
   152
5e6af6d106cb 6808647: (file) Paths.get("C:").newDirectoryStream() iterates over Path elements with additional slash [win]
alanb
parents: 2057
diff changeset
   153
        @Override
5e6af6d106cb 6808647: (file) Paths.get("C:").newDirectoryStream() iterates over Path elements with additional slash [win]
alanb
parents: 2057
diff changeset
   154
        public BasicFileAttributes get() {
5e6af6d106cb 6808647: (file) Paths.get("C:").newDirectoryStream() iterates over Path elements with additional slash [win]
alanb
parents: 2057
diff changeset
   155
            return ref.get();
5e6af6d106cb 6808647: (file) Paths.get("C:").newDirectoryStream() iterates over Path elements with additional slash [win]
alanb
parents: 2057
diff changeset
   156
        }
5e6af6d106cb 6808647: (file) Paths.get("C:").newDirectoryStream() iterates over Path elements with additional slash [win]
alanb
parents: 2057
diff changeset
   157
5e6af6d106cb 6808647: (file) Paths.get("C:").newDirectoryStream() iterates over Path elements with additional slash [win]
alanb
parents: 2057
diff changeset
   158
        @Override
5e6af6d106cb 6808647: (file) Paths.get("C:").newDirectoryStream() iterates over Path elements with additional slash [win]
alanb
parents: 2057
diff changeset
   159
        public void invalidate() {
5e6af6d106cb 6808647: (file) Paths.get("C:").newDirectoryStream() iterates over Path elements with additional slash [win]
alanb
parents: 2057
diff changeset
   160
            ref.clear();
5e6af6d106cb 6808647: (file) Paths.get("C:").newDirectoryStream() iterates over Path elements with additional slash [win]
alanb
parents: 2057
diff changeset
   161
        }
3065
452aaa2899fc 6838333: New I/O: Update file system API to jsr203/nio2-b101
alanb
parents: 2071
diff changeset
   162
452aaa2899fc 6838333: New I/O: Update file system API to jsr203/nio2-b101
alanb
parents: 2071
diff changeset
   163
        // no need to override equals/hashCode.
2071
5e6af6d106cb 6808647: (file) Paths.get("C:").newDirectoryStream() iterates over Path elements with additional slash [win]
alanb
parents: 2057
diff changeset
   164
    }
5e6af6d106cb 6808647: (file) Paths.get("C:").newDirectoryStream() iterates over Path elements with additional slash [win]
alanb
parents: 2057
diff changeset
   165
2057
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   166
    // use this message when throwing exceptions
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   167
    String getPathForExceptionMessage() {
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   168
        return path;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   169
    }
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   170
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   171
    // use this path for permission checks
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   172
    String getPathForPermissionCheck() {
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   173
        return path;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   174
    }
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   175
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   176
    // use this path for Win32 calls
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   177
    // This method will prefix long paths with \\?\ or \\?\UNC as required.
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   178
    String getPathForWin32Calls() throws WindowsException {
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   179
        // short absolute paths can be used directly
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   180
        if (isAbsolute() && path.length() <= MAX_PATH)
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   181
            return path;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   182
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   183
        // return cached values if available
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   184
        WeakReference<String> ref = pathForWin32Calls;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   185
        String resolved = (ref != null) ? ref.get() : null;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   186
        if (resolved != null) {
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   187
            // Win32 path already available
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   188
            return resolved;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   189
        }
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   190
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   191
        // resolve against default directory
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   192
        resolved = getAbsolutePath();
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   193
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   194
        // Long paths need to have "." and ".." removed and be prefixed with
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   195
        // "\\?\". Note that it is okay to remove ".." even when it follows
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   196
        // a link - for example, it is okay for foo/link/../bar to be changed
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   197
        // to foo/bar. The reason is that Win32 APIs to access foo/link/../bar
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   198
        // will access foo/bar anyway (which differs to Unix systems)
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   199
        if (resolved.length() > MAX_PATH) {
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   200
            if (resolved.length() > MAX_LONG_PATH) {
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   201
                throw new WindowsException("Cannot access file with path exceeding "
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   202
                    + MAX_LONG_PATH + " characters");
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   203
            }
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   204
            resolved = addPrefixIfNeeded(GetFullPathName(resolved));
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   205
        }
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   206
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   207
        // cache the resolved path (except drive relative paths as the working
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   208
        // directory on removal media devices can change during the lifetime
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   209
        // of the VM)
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   210
        if (type != WindowsPathType.DRIVE_RELATIVE) {
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   211
            synchronized (path) {
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   212
                pathForWin32Calls = new WeakReference<String>(resolved);
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   213
            }
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   214
        }
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   215
        return resolved;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   216
    }
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   217
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   218
    // return this path resolved against the file system's default directory
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   219
    private String getAbsolutePath() throws WindowsException {
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   220
        if (isAbsolute())
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   221
            return path;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   222
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   223
        // Relative path ("foo" for example)
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   224
        if (type == WindowsPathType.RELATIVE) {
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   225
            String defaultDirectory = getFileSystem().defaultDirectory();
8158
77d9c0f1c19f 7006126: (fs) Updates to file system API (1/2011)
alanb
parents: 5506
diff changeset
   226
            if (isEmpty())
77d9c0f1c19f 7006126: (fs) Updates to file system API (1/2011)
alanb
parents: 5506
diff changeset
   227
                return defaultDirectory;
2057
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   228
            if (defaultDirectory.endsWith("\\")) {
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   229
                return defaultDirectory + path;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   230
            } else {
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   231
                StringBuilder sb =
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   232
                    new StringBuilder(defaultDirectory.length() + path.length() + 1);
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   233
                return sb.append(defaultDirectory).append('\\').append(path).toString();
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   234
            }
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   235
        }
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   236
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   237
        // Directory relative path ("\foo" for example)
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   238
        if (type == WindowsPathType.DIRECTORY_RELATIVE) {
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   239
            String defaultRoot = getFileSystem().defaultRoot();
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   240
            return defaultRoot + path.substring(1);
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   241
        }
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   242
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   243
        // Drive relative path ("C:foo" for example).
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   244
        if (isSameDrive(root, getFileSystem().defaultRoot())) {
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   245
            // relative to default directory
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   246
            String remaining = path.substring(root.length());
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   247
            String defaultDirectory = getFileSystem().defaultDirectory();
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   248
            String result;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   249
            if (defaultDirectory.endsWith("\\")) {
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   250
                result = defaultDirectory + remaining;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   251
            } else {
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   252
                result = defaultDirectory + "\\" + remaining;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   253
            }
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   254
            return result;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   255
        } else {
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   256
            // relative to some other drive
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   257
            String wd;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   258
            try {
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   259
                int dt = GetDriveType(root + "\\");
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   260
                if (dt == DRIVE_UNKNOWN || dt == DRIVE_NO_ROOT_DIR)
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   261
                    throw new WindowsException("");
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   262
                wd = GetFullPathName(root + ".");
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   263
            } catch (WindowsException x) {
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   264
                throw new WindowsException("Unable to get working directory of drive '" +
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   265
                    Character.toUpperCase(root.charAt(0)) + "'");
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   266
            }
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   267
            String result = wd;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   268
            if (wd.endsWith("\\")) {
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   269
                result += path.substring(root.length());
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   270
            } else {
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   271
                if (path.length() > root.length())
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   272
                    result += "\\" + path.substring(root.length());
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   273
            }
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   274
            return result;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   275
        }
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   276
    }
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   277
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   278
    // returns true if same drive letter
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   279
    private static boolean isSameDrive(String root1, String root2) {
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   280
        return Character.toUpperCase(root1.charAt(0)) ==
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   281
               Character.toUpperCase(root2.charAt(0));
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   282
    }
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   283
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   284
    // Add long path prefix to path if required
8158
77d9c0f1c19f 7006126: (fs) Updates to file system API (1/2011)
alanb
parents: 5506
diff changeset
   285
    static String addPrefixIfNeeded(String path) {
17451
7ee55c117088 8011128: (fs) Files.createDirectory fails if the resolved path is exactly 248 characters long
alanb
parents: 9050
diff changeset
   286
        if (path.length() > MAX_PATH) {
2057
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   287
            if (path.startsWith("\\\\")) {
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   288
                path = "\\\\?\\UNC" + path.substring(1, path.length());
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   289
            } else {
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   290
                path = "\\\\?\\" + path;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   291
            }
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   292
        }
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   293
        return path;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   294
    }
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   295
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   296
    @Override
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   297
    public WindowsFileSystem getFileSystem() {
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   298
        return fs;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   299
    }
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   300
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   301
    // -- Path operations --
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   302
8158
77d9c0f1c19f 7006126: (fs) Updates to file system API (1/2011)
alanb
parents: 5506
diff changeset
   303
    private boolean isEmpty() {
77d9c0f1c19f 7006126: (fs) Updates to file system API (1/2011)
alanb
parents: 5506
diff changeset
   304
        return path.length() == 0;
77d9c0f1c19f 7006126: (fs) Updates to file system API (1/2011)
alanb
parents: 5506
diff changeset
   305
    }
77d9c0f1c19f 7006126: (fs) Updates to file system API (1/2011)
alanb
parents: 5506
diff changeset
   306
77d9c0f1c19f 7006126: (fs) Updates to file system API (1/2011)
alanb
parents: 5506
diff changeset
   307
    private WindowsPath emptyPath() {
77d9c0f1c19f 7006126: (fs) Updates to file system API (1/2011)
alanb
parents: 5506
diff changeset
   308
        return new WindowsPath(getFileSystem(), WindowsPathType.RELATIVE, "", "");
77d9c0f1c19f 7006126: (fs) Updates to file system API (1/2011)
alanb
parents: 5506
diff changeset
   309
    }
77d9c0f1c19f 7006126: (fs) Updates to file system API (1/2011)
alanb
parents: 5506
diff changeset
   310
2057
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   311
    @Override
8158
77d9c0f1c19f 7006126: (fs) Updates to file system API (1/2011)
alanb
parents: 5506
diff changeset
   312
    public Path getFileName() {
77d9c0f1c19f 7006126: (fs) Updates to file system API (1/2011)
alanb
parents: 5506
diff changeset
   313
        int len = path.length();
77d9c0f1c19f 7006126: (fs) Updates to file system API (1/2011)
alanb
parents: 5506
diff changeset
   314
        // represents empty path
77d9c0f1c19f 7006126: (fs) Updates to file system API (1/2011)
alanb
parents: 5506
diff changeset
   315
        if (len == 0)
77d9c0f1c19f 7006126: (fs) Updates to file system API (1/2011)
alanb
parents: 5506
diff changeset
   316
            return this;
2057
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   317
        // represents root component only
8158
77d9c0f1c19f 7006126: (fs) Updates to file system API (1/2011)
alanb
parents: 5506
diff changeset
   318
        if (root.length() == len)
2057
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   319
            return null;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   320
        int off = path.lastIndexOf('\\');
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   321
        if (off < root.length())
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   322
            off = root.length();
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   323
        else
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   324
            off++;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   325
        return new WindowsPath(getFileSystem(), WindowsPathType.RELATIVE, "", path.substring(off));
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   326
    }
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   327
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   328
    @Override
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   329
    public WindowsPath getParent() {
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   330
        // represents root component only
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   331
        if (root.length() == path.length())
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   332
            return null;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   333
        int off = path.lastIndexOf('\\');
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   334
        if (off < root.length())
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   335
            return getRoot();
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   336
        else
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   337
            return new WindowsPath(getFileSystem(),
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   338
                                   type,
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   339
                                   root,
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   340
                                   path.substring(0, off));
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   341
    }
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   342
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   343
    @Override
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   344
    public WindowsPath getRoot() {
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   345
        if (root.length() == 0)
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   346
            return null;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   347
        return new WindowsPath(getFileSystem(), type, root, root);
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   348
    }
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   349
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   350
    // package-private
8158
77d9c0f1c19f 7006126: (fs) Updates to file system API (1/2011)
alanb
parents: 5506
diff changeset
   351
    WindowsPathType type() {
77d9c0f1c19f 7006126: (fs) Updates to file system API (1/2011)
alanb
parents: 5506
diff changeset
   352
        return type;
77d9c0f1c19f 7006126: (fs) Updates to file system API (1/2011)
alanb
parents: 5506
diff changeset
   353
    }
77d9c0f1c19f 7006126: (fs) Updates to file system API (1/2011)
alanb
parents: 5506
diff changeset
   354
77d9c0f1c19f 7006126: (fs) Updates to file system API (1/2011)
alanb
parents: 5506
diff changeset
   355
    // package-private
2057
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   356
    boolean isUnc() {
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   357
        return type == WindowsPathType.UNC;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   358
    }
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   359
2071
5e6af6d106cb 6808647: (file) Paths.get("C:").newDirectoryStream() iterates over Path elements with additional slash [win]
alanb
parents: 2057
diff changeset
   360
    boolean needsSlashWhenResolving() {
5e6af6d106cb 6808647: (file) Paths.get("C:").newDirectoryStream() iterates over Path elements with additional slash [win]
alanb
parents: 2057
diff changeset
   361
        if (path.endsWith("\\"))
5e6af6d106cb 6808647: (file) Paths.get("C:").newDirectoryStream() iterates over Path elements with additional slash [win]
alanb
parents: 2057
diff changeset
   362
            return false;
5e6af6d106cb 6808647: (file) Paths.get("C:").newDirectoryStream() iterates over Path elements with additional slash [win]
alanb
parents: 2057
diff changeset
   363
        return path.length() > root.length();
5e6af6d106cb 6808647: (file) Paths.get("C:").newDirectoryStream() iterates over Path elements with additional slash [win]
alanb
parents: 2057
diff changeset
   364
    }
5e6af6d106cb 6808647: (file) Paths.get("C:").newDirectoryStream() iterates over Path elements with additional slash [win]
alanb
parents: 2057
diff changeset
   365
2057
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   366
    @Override
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   367
    public boolean isAbsolute() {
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   368
        return type == WindowsPathType.ABSOLUTE || type == WindowsPathType.UNC;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   369
    }
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   370
8158
77d9c0f1c19f 7006126: (fs) Updates to file system API (1/2011)
alanb
parents: 5506
diff changeset
   371
    static WindowsPath toWindowsPath(Path path) {
2057
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   372
        if (path == null)
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   373
            throw new NullPointerException();
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   374
        if (!(path instanceof WindowsPath)) {
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   375
            throw new ProviderMismatchException();
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   376
        }
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   377
        return (WindowsPath)path;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   378
    }
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   379
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   380
    @Override
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   381
    public WindowsPath relativize(Path obj) {
8158
77d9c0f1c19f 7006126: (fs) Updates to file system API (1/2011)
alanb
parents: 5506
diff changeset
   382
        WindowsPath other = toWindowsPath(obj);
2057
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   383
        if (this.equals(other))
8158
77d9c0f1c19f 7006126: (fs) Updates to file system API (1/2011)
alanb
parents: 5506
diff changeset
   384
            return emptyPath();
2057
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   385
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   386
        // can only relativize paths of the same type
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   387
        if (this.type != other.type)
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   388
            throw new IllegalArgumentException("'other' is different type of Path");
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   389
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   390
        // can only relativize paths if root component matches
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   391
        if (!this.root.equalsIgnoreCase(other.root))
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   392
            throw new IllegalArgumentException("'other' has different root");
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   393
28847
5667388e3a79 8072495: (fs) Path.relativize() gives incorrect result for empty path on Windows
bpb
parents: 28244
diff changeset
   394
        // this path is the empty path
5667388e3a79 8072495: (fs) Path.relativize() gives incorrect result for empty path on Windows
bpb
parents: 28244
diff changeset
   395
        if (this.isEmpty())
5667388e3a79 8072495: (fs) Path.relativize() gives incorrect result for empty path on Windows
bpb
parents: 28244
diff changeset
   396
            return other;
5667388e3a79 8072495: (fs) Path.relativize() gives incorrect result for empty path on Windows
bpb
parents: 28244
diff changeset
   397
2057
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   398
        int bn = this.getNameCount();
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   399
        int cn = other.getNameCount();
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   400
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   401
        // skip matching names
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   402
        int n = (bn > cn) ? cn : bn;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   403
        int i = 0;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   404
        while (i < n) {
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   405
            if (!this.getName(i).equals(other.getName(i)))
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   406
                break;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   407
            i++;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   408
        }
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   409
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   410
        // append ..\ for remaining names in the base
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   411
        StringBuilder result = new StringBuilder();
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   412
        for (int j=i; j<bn; j++) {
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   413
            result.append("..\\");
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   414
        }
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   415
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   416
        // append remaining names in child
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   417
        for (int j=i; j<cn; j++) {
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   418
            result.append(other.getName(j).toString());
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   419
            result.append("\\");
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   420
        }
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   421
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   422
        // drop trailing slash in result
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   423
        result.setLength(result.length()-1);
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   424
        return createFromNormalizedPath(getFileSystem(), result.toString());
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   425
    }
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   426
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   427
    @Override
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   428
    public Path normalize() {
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   429
        final int count = getNameCount();
8158
77d9c0f1c19f 7006126: (fs) Updates to file system API (1/2011)
alanb
parents: 5506
diff changeset
   430
        if (count == 0 || isEmpty())
2057
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   431
            return this;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   432
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   433
        boolean[] ignore = new boolean[count];      // true => ignore name
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   434
        int remaining = count;                      // number of names remaining
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   435
21278
ef8a3a2a72f2 8022746: List of spelling errors in API doc
malenkov
parents: 17451
diff changeset
   436
        // multiple passes to eliminate all occurrences of "." and "name/.."
2057
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   437
        int prevRemaining;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   438
        do {
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   439
            prevRemaining = remaining;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   440
            int prevName = -1;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   441
            for (int i=0; i<count; i++) {
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   442
                if (ignore[i])
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   443
                    continue;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   444
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   445
                String name = elementAsString(i);
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   446
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   447
                // not "." or ".."
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   448
                if (name.length() > 2) {
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   449
                    prevName = i;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   450
                    continue;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   451
                }
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   452
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   453
                // "." or something else
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   454
                if (name.length() == 1) {
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   455
                    // ignore "."
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   456
                    if (name.charAt(0) == '.') {
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   457
                        ignore[i] = true;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   458
                        remaining--;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   459
                    } else {
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   460
                        prevName = i;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   461
                    }
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   462
                    continue;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   463
                }
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   464
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   465
                // not ".."
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   466
                if (name.charAt(0) != '.' || name.charAt(1) != '.') {
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   467
                    prevName = i;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   468
                    continue;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   469
                }
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   470
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   471
                // ".." found
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   472
                if (prevName >= 0) {
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   473
                    // name/<ignored>/.. found so mark name and ".." to be
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   474
                    // ignored
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   475
                    ignore[prevName] = true;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   476
                    ignore[i] = true;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   477
                    remaining = remaining - 2;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   478
                    prevName = -1;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   479
                } else {
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   480
                    // Cases:
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   481
                    //    C:\<ignored>\..
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   482
                    //    \\server\\share\<ignored>\..
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   483
                    //    \<ignored>..
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   484
                    if (isAbsolute() || type == WindowsPathType.DIRECTORY_RELATIVE) {
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   485
                        boolean hasPrevious = false;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   486
                        for (int j=0; j<i; j++) {
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   487
                            if (!ignore[j]) {
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   488
                                hasPrevious = true;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   489
                                break;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   490
                            }
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   491
                        }
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   492
                        if (!hasPrevious) {
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   493
                            // all proceeding names are ignored
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   494
                            ignore[i] = true;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   495
                            remaining--;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   496
                        }
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   497
                    }
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   498
                }
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   499
            }
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   500
        } while (prevRemaining > remaining);
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   501
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   502
        // no redundant names
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   503
        if (remaining == count)
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   504
            return this;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   505
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   506
        // corner case - all names removed
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   507
        if (remaining == 0) {
8158
77d9c0f1c19f 7006126: (fs) Updates to file system API (1/2011)
alanb
parents: 5506
diff changeset
   508
            return (root.length() == 0) ? emptyPath() : getRoot();
2057
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   509
        }
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   510
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   511
        // re-constitute the path from the remaining names.
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   512
        StringBuilder result = new StringBuilder();
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   513
        if (root != null)
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   514
            result.append(root);
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   515
        for (int i=0; i<count; i++) {
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   516
            if (!ignore[i]) {
8158
77d9c0f1c19f 7006126: (fs) Updates to file system API (1/2011)
alanb
parents: 5506
diff changeset
   517
                result.append(getName(i));
2057
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   518
                result.append("\\");
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   519
            }
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   520
        }
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   521
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   522
        // drop trailing slash in result
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   523
        result.setLength(result.length()-1);
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   524
        return createFromNormalizedPath(getFileSystem(), result.toString());
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   525
    }
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   526
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   527
    @Override
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   528
    public WindowsPath resolve(Path obj) {
8158
77d9c0f1c19f 7006126: (fs) Updates to file system API (1/2011)
alanb
parents: 5506
diff changeset
   529
        WindowsPath other = toWindowsPath(obj);
77d9c0f1c19f 7006126: (fs) Updates to file system API (1/2011)
alanb
parents: 5506
diff changeset
   530
        if (other.isEmpty())
2057
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   531
            return this;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   532
        if (other.isAbsolute())
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   533
            return other;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   534
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   535
        switch (other.type) {
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   536
            case RELATIVE: {
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   537
                String result;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   538
                if (path.endsWith("\\") || (root.length() == path.length())) {
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   539
                    result = path + other.path;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   540
                } else {
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   541
                    result = path + "\\" + other.path;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   542
                }
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   543
                return new WindowsPath(getFileSystem(), type, root, result);
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   544
            }
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   545
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   546
            case DIRECTORY_RELATIVE: {
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   547
                String result;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   548
                if (root.endsWith("\\")) {
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   549
                    result = root + other.path.substring(1);
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   550
                } else {
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   551
                    result = root + other.path;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   552
                }
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   553
                return createFromNormalizedPath(getFileSystem(), result);
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   554
            }
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   555
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   556
            case DRIVE_RELATIVE: {
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   557
                if (!root.endsWith("\\"))
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   558
                    return other;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   559
                // if different roots then return other
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   560
                String thisRoot = root.substring(0, root.length()-1);
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   561
                if (!thisRoot.equalsIgnoreCase(other.root))
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   562
                    return other;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   563
                // same roots
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   564
                String remaining = other.path.substring(other.root.length());
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   565
                String result;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   566
                if (path.endsWith("\\")) {
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   567
                    result = path + remaining;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   568
                } else {
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   569
                    result = path + "\\" + remaining;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   570
                }
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   571
                return createFromNormalizedPath(getFileSystem(), result);
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   572
            }
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   573
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   574
            default:
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   575
                throw new AssertionError();
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   576
        }
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   577
    }
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   578
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   579
    // generate offset array
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   580
    private void initOffsets() {
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   581
        if (offsets == null) {
8158
77d9c0f1c19f 7006126: (fs) Updates to file system API (1/2011)
alanb
parents: 5506
diff changeset
   582
            ArrayList<Integer> list = new ArrayList<>();
77d9c0f1c19f 7006126: (fs) Updates to file system API (1/2011)
alanb
parents: 5506
diff changeset
   583
            if (isEmpty()) {
77d9c0f1c19f 7006126: (fs) Updates to file system API (1/2011)
alanb
parents: 5506
diff changeset
   584
                // empty path considered to have one name element
77d9c0f1c19f 7006126: (fs) Updates to file system API (1/2011)
alanb
parents: 5506
diff changeset
   585
                list.add(0);
77d9c0f1c19f 7006126: (fs) Updates to file system API (1/2011)
alanb
parents: 5506
diff changeset
   586
            } else {
77d9c0f1c19f 7006126: (fs) Updates to file system API (1/2011)
alanb
parents: 5506
diff changeset
   587
                int start = root.length();
77d9c0f1c19f 7006126: (fs) Updates to file system API (1/2011)
alanb
parents: 5506
diff changeset
   588
                int off = root.length();
77d9c0f1c19f 7006126: (fs) Updates to file system API (1/2011)
alanb
parents: 5506
diff changeset
   589
                while (off < path.length()) {
77d9c0f1c19f 7006126: (fs) Updates to file system API (1/2011)
alanb
parents: 5506
diff changeset
   590
                    if (path.charAt(off) != '\\') {
77d9c0f1c19f 7006126: (fs) Updates to file system API (1/2011)
alanb
parents: 5506
diff changeset
   591
                        off++;
77d9c0f1c19f 7006126: (fs) Updates to file system API (1/2011)
alanb
parents: 5506
diff changeset
   592
                    } else {
77d9c0f1c19f 7006126: (fs) Updates to file system API (1/2011)
alanb
parents: 5506
diff changeset
   593
                        list.add(start);
77d9c0f1c19f 7006126: (fs) Updates to file system API (1/2011)
alanb
parents: 5506
diff changeset
   594
                        start = ++off;
77d9c0f1c19f 7006126: (fs) Updates to file system API (1/2011)
alanb
parents: 5506
diff changeset
   595
                    }
77d9c0f1c19f 7006126: (fs) Updates to file system API (1/2011)
alanb
parents: 5506
diff changeset
   596
                }
77d9c0f1c19f 7006126: (fs) Updates to file system API (1/2011)
alanb
parents: 5506
diff changeset
   597
                if (start != off)
2057
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   598
                    list.add(start);
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   599
            }
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   600
            synchronized (this) {
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   601
                if (offsets == null)
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   602
                    offsets = list.toArray(new Integer[list.size()]);
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   603
            }
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   604
        }
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   605
    }
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   606
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   607
    @Override
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   608
    public int getNameCount() {
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   609
        initOffsets();
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   610
        return offsets.length;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   611
    }
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   612
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   613
    private String elementAsString(int i) {
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   614
        initOffsets();
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   615
        if (i == (offsets.length-1))
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   616
            return path.substring(offsets[i]);
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   617
        return path.substring(offsets[i], offsets[i+1]-1);
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   618
    }
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   619
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   620
    @Override
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   621
    public WindowsPath getName(int index) {
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   622
        initOffsets();
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   623
        if (index < 0 || index >= offsets.length)
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   624
            throw new IllegalArgumentException();
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   625
        return new WindowsPath(getFileSystem(), WindowsPathType.RELATIVE, "", elementAsString(index));
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   626
    }
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   627
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   628
    @Override
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   629
    public WindowsPath subpath(int beginIndex, int endIndex) {
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   630
        initOffsets();
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   631
        if (beginIndex < 0)
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   632
            throw new IllegalArgumentException();
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   633
        if (beginIndex >= offsets.length)
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   634
            throw new IllegalArgumentException();
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   635
        if (endIndex > offsets.length)
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   636
            throw new IllegalArgumentException();
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   637
        if (beginIndex >= endIndex)
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   638
            throw new IllegalArgumentException();
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   639
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   640
        StringBuilder sb = new StringBuilder();
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   641
        Integer[] nelems = new Integer[endIndex - beginIndex];
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   642
        for (int i = beginIndex; i < endIndex; i++) {
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   643
            nelems[i-beginIndex] = sb.length();
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   644
            sb.append(elementAsString(i));
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   645
            if (i != (endIndex-1))
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   646
                sb.append("\\");
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   647
        }
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   648
        return new WindowsPath(getFileSystem(), WindowsPathType.RELATIVE, "", sb.toString());
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   649
    }
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   650
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   651
    @Override
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   652
    public boolean startsWith(Path obj) {
8808
fc799c458da8 7017446: (fs) Updates to file system API (3/2011)
alanb
parents: 8158
diff changeset
   653
        if (!(Objects.requireNonNull(obj) instanceof WindowsPath))
fc799c458da8 7017446: (fs) Updates to file system API (3/2011)
alanb
parents: 8158
diff changeset
   654
            return false;
fc799c458da8 7017446: (fs) Updates to file system API (3/2011)
alanb
parents: 8158
diff changeset
   655
        WindowsPath other = (WindowsPath)obj;
2057
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   656
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   657
        // if this path has a root component the given path's root must match
8158
77d9c0f1c19f 7006126: (fs) Updates to file system API (1/2011)
alanb
parents: 5506
diff changeset
   658
        if (!this.root.equalsIgnoreCase(other.root)) {
2057
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   659
            return false;
8158
77d9c0f1c19f 7006126: (fs) Updates to file system API (1/2011)
alanb
parents: 5506
diff changeset
   660
        }
77d9c0f1c19f 7006126: (fs) Updates to file system API (1/2011)
alanb
parents: 5506
diff changeset
   661
77d9c0f1c19f 7006126: (fs) Updates to file system API (1/2011)
alanb
parents: 5506
diff changeset
   662
        // empty path starts with itself
77d9c0f1c19f 7006126: (fs) Updates to file system API (1/2011)
alanb
parents: 5506
diff changeset
   663
        if (other.isEmpty())
77d9c0f1c19f 7006126: (fs) Updates to file system API (1/2011)
alanb
parents: 5506
diff changeset
   664
            return this.isEmpty();
2057
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   665
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   666
        // roots match so compare elements
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   667
        int thisCount = getNameCount();
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   668
        int otherCount = other.getNameCount();
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   669
        if (otherCount <= thisCount) {
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   670
            while (--otherCount >= 0) {
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   671
                String thisElement = this.elementAsString(otherCount);
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   672
                String otherElement = other.elementAsString(otherCount);
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   673
                // FIXME: should compare in uppercase
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   674
                if (!thisElement.equalsIgnoreCase(otherElement))
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   675
                    return false;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   676
            }
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   677
            return true;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   678
        }
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   679
        return false;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   680
    }
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   681
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   682
    @Override
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   683
    public boolean endsWith(Path obj) {
8808
fc799c458da8 7017446: (fs) Updates to file system API (3/2011)
alanb
parents: 8158
diff changeset
   684
        if (!(Objects.requireNonNull(obj) instanceof WindowsPath))
fc799c458da8 7017446: (fs) Updates to file system API (3/2011)
alanb
parents: 8158
diff changeset
   685
            return false;
fc799c458da8 7017446: (fs) Updates to file system API (3/2011)
alanb
parents: 8158
diff changeset
   686
        WindowsPath other = (WindowsPath)obj;
2057
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   687
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   688
        // other path is longer
8158
77d9c0f1c19f 7006126: (fs) Updates to file system API (1/2011)
alanb
parents: 5506
diff changeset
   689
        if (other.path.length() > this.path.length()) {
2057
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   690
            return false;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   691
        }
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   692
8158
77d9c0f1c19f 7006126: (fs) Updates to file system API (1/2011)
alanb
parents: 5506
diff changeset
   693
        // empty path ends in itself
77d9c0f1c19f 7006126: (fs) Updates to file system API (1/2011)
alanb
parents: 5506
diff changeset
   694
        if (other.isEmpty()) {
77d9c0f1c19f 7006126: (fs) Updates to file system API (1/2011)
alanb
parents: 5506
diff changeset
   695
            return this.isEmpty();
77d9c0f1c19f 7006126: (fs) Updates to file system API (1/2011)
alanb
parents: 5506
diff changeset
   696
        }
77d9c0f1c19f 7006126: (fs) Updates to file system API (1/2011)
alanb
parents: 5506
diff changeset
   697
2057
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   698
        int thisCount = this.getNameCount();
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   699
        int otherCount = other.getNameCount();
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   700
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   701
        // given path has more elements that this path
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   702
        if (otherCount > thisCount) {
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   703
            return false;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   704
        }
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   705
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   706
        // compare roots
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   707
        if (other.root.length() > 0) {
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   708
            if (otherCount < thisCount)
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   709
                return false;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   710
            // FIXME: should compare in uppercase
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   711
            if (!this.root.equalsIgnoreCase(other.root))
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   712
                return false;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   713
        }
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   714
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   715
        // match last 'otherCount' elements
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   716
        int off = thisCount - otherCount;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   717
        while (--otherCount >= 0) {
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   718
            String thisElement = this.elementAsString(off + otherCount);
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   719
            String otherElement = other.elementAsString(otherCount);
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   720
            // FIXME: should compare in uppercase
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   721
            if (!thisElement.equalsIgnoreCase(otherElement))
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   722
                return false;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   723
        }
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   724
        return true;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   725
    }
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   726
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   727
    @Override
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   728
    public int compareTo(Path obj) {
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   729
        if (obj == null)
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   730
            throw new NullPointerException();
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   731
        String s1 = path;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   732
        String s2 = ((WindowsPath)obj).path;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   733
        int n1 = s1.length();
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   734
        int n2 = s2.length();
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   735
        int min = Math.min(n1, n2);
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   736
        for (int i = 0; i < min; i++) {
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   737
            char c1 = s1.charAt(i);
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   738
            char c2 = s2.charAt(i);
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   739
             if (c1 != c2) {
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   740
                 c1 = Character.toUpperCase(c1);
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   741
                 c2 = Character.toUpperCase(c2);
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   742
                 if (c1 != c2) {
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   743
                     return c1 - c2;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   744
                 }
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   745
             }
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   746
        }
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   747
        return n1 - n2;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   748
    }
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   749
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   750
    @Override
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   751
    public boolean equals(Object obj) {
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   752
        if ((obj != null) && (obj instanceof WindowsPath)) {
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   753
            return compareTo((Path)obj) == 0;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   754
        }
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   755
        return false;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   756
    }
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   757
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   758
    @Override
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   759
    public int hashCode() {
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   760
        // OK if two or more threads compute hash
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   761
        int h = hash;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   762
        if (h == 0) {
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   763
            for (int i = 0; i< path.length(); i++) {
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   764
                h = 31*h + Character.toUpperCase(path.charAt(i));
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   765
            }
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   766
            hash = h;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   767
        }
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   768
        return h;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   769
    }
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   770
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   771
    @Override
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   772
    public String toString() {
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   773
        return path;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   774
    }
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   775
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   776
    // -- file operations --
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   777
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   778
    // package-private
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   779
    long openForReadAttributeAccess(boolean followLinks)
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   780
        throws WindowsException
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   781
    {
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   782
        int flags = FILE_FLAG_BACKUP_SEMANTICS;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   783
        if (!followLinks && getFileSystem().supportsLinks())
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   784
            flags |= FILE_FLAG_OPEN_REPARSE_POINT;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   785
        return CreateFile(getPathForWin32Calls(),
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   786
                          FILE_READ_ATTRIBUTES,
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   787
                          (FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE),
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   788
                          0L,
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   789
                          OPEN_EXISTING,
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   790
                          flags);
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   791
    }
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   792
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   793
    void checkRead() {
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   794
        SecurityManager sm = System.getSecurityManager();
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   795
        if (sm != null) {
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   796
            sm.checkRead(getPathForPermissionCheck());
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   797
        }
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   798
    }
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   799
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   800
    void checkWrite() {
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   801
        SecurityManager sm = System.getSecurityManager();
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   802
        if (sm != null) {
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   803
            sm.checkWrite(getPathForPermissionCheck());
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   804
        }
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   805
    }
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   806
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   807
    void checkDelete() {
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   808
        SecurityManager sm = System.getSecurityManager();
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   809
        if (sm != null) {
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   810
            sm.checkDelete(getPathForPermissionCheck());
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   811
        }
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   812
    }
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   813
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   814
    @Override
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   815
    public URI toUri() {
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   816
        return WindowsUriSupport.toUri(this);
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   817
    }
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   818
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   819
    @Override
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   820
    public WindowsPath toAbsolutePath() {
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   821
        if (isAbsolute())
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   822
            return this;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   823
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   824
        // permission check as per spec
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   825
        SecurityManager sm = System.getSecurityManager();
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   826
        if (sm != null) {
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   827
            sm.checkPropertyAccess("user.dir");
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   828
        }
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   829
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   830
        try {
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   831
            return createFromNormalizedPath(getFileSystem(), getAbsolutePath());
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   832
        } catch (WindowsException x) {
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   833
            throw new IOError(new IOException(x.getMessage()));
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   834
        }
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   835
    }
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   836
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   837
    @Override
9025
a72fc1fc4b71 7029979: (fs) Path.toRealPath(boolean) should be toRealPath(LinkOption...)
alanb
parents: 8808
diff changeset
   838
    public WindowsPath toRealPath(LinkOption... options) throws IOException {
2057
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   839
        checkRead();
9025
a72fc1fc4b71 7029979: (fs) Path.toRealPath(boolean) should be toRealPath(LinkOption...)
alanb
parents: 8808
diff changeset
   840
        String rp = WindowsLinkSupport.getRealPath(this, Util.followLinks(options));
2057
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   841
        return createFromNormalizedPath(getFileSystem(), rp);
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   842
    }
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   843
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   844
    @Override
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   845
    public WatchKey register(WatchService watcher,
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   846
                             WatchEvent.Kind<?>[] events,
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   847
                             WatchEvent.Modifier... modifiers)
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   848
        throws IOException
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   849
    {
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   850
        if (watcher == null)
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   851
            throw new NullPointerException();
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   852
        if (!(watcher instanceof WindowsWatchService))
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   853
            throw new ProviderMismatchException();
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   854
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   855
        // When a security manager is set then we need to make a defensive
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   856
        // copy of the modifiers and check for the Windows specific FILE_TREE
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   857
        // modifier. When the modifier is present then check that permission
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   858
        // has been granted recursively.
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   859
        SecurityManager sm = System.getSecurityManager();
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   860
        if (sm != null) {
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   861
            boolean watchSubtree = false;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   862
            final int ml = modifiers.length;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   863
            if (ml > 0) {
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   864
                modifiers = Arrays.copyOf(modifiers, ml);
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   865
                int i=0;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   866
                while (i < ml) {
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   867
                    if (modifiers[i++] == ExtendedWatchEventModifier.FILE_TREE) {
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   868
                        watchSubtree = true;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   869
                        break;
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   870
                    }
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   871
                }
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   872
            }
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   873
            String s = getPathForPermissionCheck();
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   874
            sm.checkRead(s);
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   875
            if (watchSubtree)
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   876
                sm.checkRead(s + "\\-");
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   877
        }
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   878
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   879
        return ((WindowsWatchService)watcher).register(this, events, modifiers);
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   880
    }
3acf8e5e2ca0 6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff changeset
   881
}