|
27565
|
1 |
/*
|
|
37365
|
2 |
* Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
|
|
27565
|
3 |
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
|
|
|
4 |
*
|
|
|
5 |
* This code is free software; you can redistribute it and/or modify it
|
|
|
6 |
* under the terms of the GNU General Public License version 2 only, as
|
|
|
7 |
* published by the Free Software Foundation. Oracle designates this
|
|
|
8 |
* particular file as subject to the "Classpath" exception as provided
|
|
|
9 |
* by Oracle in the LICENSE file that accompanied this code.
|
|
|
10 |
*
|
|
|
11 |
* This code is distributed in the hope that it will be useful, but WITHOUT
|
|
|
12 |
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
|
13 |
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
|
|
14 |
* version 2 for more details (a copy is included in the LICENSE file that
|
|
|
15 |
* accompanied this code).
|
|
|
16 |
*
|
|
|
17 |
* You should have received a copy of the GNU General Public License version
|
|
|
18 |
* 2 along with this work; if not, write to the Free Software Foundation,
|
|
|
19 |
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
|
20 |
*
|
|
|
21 |
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
|
|
|
22 |
* or visit www.oracle.com if you need additional information or have any
|
|
|
23 |
* questions.
|
|
|
24 |
*/
|
|
|
25 |
package jdk.internal.jrtfs;
|
|
|
26 |
|
|
37365
|
27 |
import java.nio.file.attribute.BasicFileAttributes;
|
|
27565
|
28 |
import java.nio.file.attribute.FileTime;
|
|
37365
|
29 |
import java.util.Formatter;
|
|
27565
|
30 |
import jdk.internal.jimage.ImageReader.Node;
|
|
|
31 |
|
|
36511
|
32 |
/**
|
|
|
33 |
* File attributes implementation for jrt image file system.
|
|
|
34 |
*
|
|
|
35 |
* @implNote This class needs to maintain JDK 8 source compatibility.
|
|
|
36 |
*
|
|
|
37 |
* It is used internally in the JDK to implement jimage/jrtfs access,
|
|
|
38 |
* but also compiled and delivered as part of the jrtfs.jar to support access
|
|
|
39 |
* to the jimage file provided by the shipped JDK by tools running on JDK 8.
|
|
|
40 |
*/
|
|
37365
|
41 |
final class JrtFileAttributes implements BasicFileAttributes {
|
|
36511
|
42 |
|
|
27565
|
43 |
private final Node node;
|
|
|
44 |
|
|
|
45 |
JrtFileAttributes(Node node) {
|
|
|
46 |
this.node = node;
|
|
|
47 |
}
|
|
|
48 |
|
|
|
49 |
///////// basic attributes ///////////
|
|
|
50 |
@Override
|
|
|
51 |
public FileTime creationTime() {
|
|
|
52 |
return node.creationTime();
|
|
|
53 |
}
|
|
|
54 |
|
|
|
55 |
@Override
|
|
|
56 |
public boolean isDirectory() {
|
|
|
57 |
return node.isDirectory();
|
|
|
58 |
}
|
|
|
59 |
|
|
|
60 |
@Override
|
|
|
61 |
public boolean isOther() {
|
|
|
62 |
return false;
|
|
|
63 |
}
|
|
|
64 |
|
|
|
65 |
@Override
|
|
|
66 |
public boolean isRegularFile() {
|
|
|
67 |
return !isDirectory();
|
|
|
68 |
}
|
|
|
69 |
|
|
|
70 |
@Override
|
|
|
71 |
public FileTime lastAccessTime() {
|
|
|
72 |
return node.lastAccessTime();
|
|
|
73 |
}
|
|
|
74 |
|
|
|
75 |
@Override
|
|
|
76 |
public FileTime lastModifiedTime() {
|
|
|
77 |
return node.lastModifiedTime();
|
|
|
78 |
}
|
|
|
79 |
|
|
|
80 |
@Override
|
|
|
81 |
public long size() {
|
|
|
82 |
return node.size();
|
|
|
83 |
}
|
|
|
84 |
|
|
|
85 |
@Override
|
|
|
86 |
public boolean isSymbolicLink() {
|
|
31673
|
87 |
return node.isLink();
|
|
27565
|
88 |
}
|
|
|
89 |
|
|
|
90 |
@Override
|
|
|
91 |
public Object fileKey() {
|
|
31673
|
92 |
return node.resolveLink(true);
|
|
27565
|
93 |
}
|
|
|
94 |
|
|
37365
|
95 |
///////// jrtfs specific attributes ///////////
|
|
|
96 |
/**
|
|
|
97 |
* Compressed resource file. If not available or not applicable, 0L is
|
|
|
98 |
* returned.
|
|
|
99 |
*
|
|
|
100 |
* @return the compressed resource size for compressed resources.
|
|
|
101 |
*/
|
|
27565
|
102 |
public long compressedSize() {
|
|
|
103 |
return node.compressedSize();
|
|
|
104 |
}
|
|
|
105 |
|
|
37365
|
106 |
/**
|
|
|
107 |
* "file" extension of a file resource.
|
|
|
108 |
*
|
|
|
109 |
* @return extension string for the file resource
|
|
|
110 |
*/
|
|
27565
|
111 |
public String extension() {
|
|
|
112 |
return node.extension();
|
|
|
113 |
}
|
|
37365
|
114 |
|
|
|
115 |
@Override
|
|
|
116 |
public final String toString() {
|
|
|
117 |
StringBuilder sb = new StringBuilder(1024);
|
|
|
118 |
try (Formatter fm = new Formatter(sb)) {
|
|
|
119 |
if (creationTime() != null) {
|
|
|
120 |
fm.format(" creationTime : %tc%n", creationTime().toMillis());
|
|
|
121 |
} else {
|
|
|
122 |
fm.format(" creationTime : null%n");
|
|
|
123 |
}
|
|
|
124 |
if (lastAccessTime() != null) {
|
|
|
125 |
fm.format(" lastAccessTime : %tc%n", lastAccessTime().toMillis());
|
|
|
126 |
} else {
|
|
|
127 |
fm.format(" lastAccessTime : null%n");
|
|
|
128 |
}
|
|
|
129 |
fm.format(" lastModifiedTime: %tc%n", lastModifiedTime().toMillis());
|
|
|
130 |
fm.format(" isRegularFile : %b%n", isRegularFile());
|
|
|
131 |
fm.format(" isDirectory : %b%n", isDirectory());
|
|
|
132 |
fm.format(" isSymbolicLink : %b%n", isSymbolicLink());
|
|
|
133 |
fm.format(" isOther : %b%n", isOther());
|
|
|
134 |
fm.format(" fileKey : %s%n", fileKey());
|
|
|
135 |
fm.format(" size : %d%n", size());
|
|
|
136 |
fm.format(" compressedSize : %d%n", compressedSize());
|
|
|
137 |
fm.format(" extension : %s%n", extension());
|
|
|
138 |
}
|
|
|
139 |
return sb.toString();
|
|
|
140 |
}
|
|
27565
|
141 |
}
|