author | alanb |
Sun, 15 Feb 2009 12:25:54 +0000 | |
changeset 2057 | 3acf8e5e2ca0 |
child 2072 | 80dfe4469bbd |
permissions | -rw-r--r-- |
2057
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
1 |
/* |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
2 |
* Copyright 2007-2009 Sun Microsystems, Inc. All Rights Reserved. |
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 |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
7 |
* published by the Free Software Foundation. Sun designates this |
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 |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
9 |
* by Sun in the LICENSE file that accompanied this code. |
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 |
* |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
21 |
* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
22 |
* CA 95054 USA or visit www.sun.com if you need additional information or |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
23 |
* have any questions. |
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 java.nio.file; |
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.attribute.BasicFileAttributes; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
29 |
import java.io.IOException; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
30 |
import java.io.IOError; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
31 |
|
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
32 |
/** |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
33 |
* A simple visitor of files with default behavior to visit all files and to |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
34 |
* re-throw I/O errors. |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
35 |
* |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
36 |
* <p> Methods in this class may be overridden subject to their general contract. |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
37 |
* |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
38 |
* @param <T> The type of reference to the files |
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 |
* @since 1.7 |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
41 |
*/ |
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 |
public class SimpleFileVisitor<T extends FileRef> implements FileVisitor<T> { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
44 |
/** |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
45 |
* Initializes a new instance of this class. |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
46 |
*/ |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
47 |
protected SimpleFileVisitor() { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
48 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
49 |
|
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
50 |
/** |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
51 |
* Invoked for a directory before entries in the directory are visited. |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
52 |
* |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
53 |
* <p> Unless overridden, this method returns {@link FileVisitResult#CONTINUE |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
54 |
* CONTINUE}. |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
55 |
*/ |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
56 |
@Override |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
57 |
public FileVisitResult preVisitDirectory(T dir) { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
58 |
return FileVisitResult.CONTINUE; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
59 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
60 |
|
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
61 |
/** |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
62 |
* Invoked for a directory that could not be opened. |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
63 |
* |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
64 |
* <p> Unless overridden, this method throws {@link IOError} with the I/O |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
65 |
* exception as cause. |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
66 |
* |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
67 |
* @throws IOError |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
68 |
* With the I/O exception thrown when the attempt to open the |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
69 |
* directory failed |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
70 |
*/ |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
71 |
@Override |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
72 |
public FileVisitResult preVisitDirectoryFailed(T dir, IOException exc) { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
73 |
throw new IOError(exc); |
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 |
* Invoked for a file in a directory. |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
78 |
* |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
79 |
* <p> Unless overridden, this method returns {@link FileVisitResult#CONTINUE |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
80 |
* CONTINUE}. |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
81 |
*/ |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
82 |
@Override |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
83 |
public FileVisitResult visitFile(T file, BasicFileAttributes attrs) { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
84 |
return FileVisitResult.CONTINUE; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
85 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
86 |
|
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
87 |
/** |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
88 |
* Invoked for a file when its basic file attributes could not be read. |
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 |
* <p> Unless overridden, this method throws {@link IOError} with the I/O |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
91 |
* exception as cause. |
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 |
* @throws IOError |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
94 |
* With the I/O exception thrown when the attempt to read the file |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
95 |
* attributes failed |
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 |
@Override |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
98 |
public FileVisitResult visitFileFailed(T file, IOException exc) { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
99 |
throw new IOError(exc); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
100 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
101 |
|
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
102 |
/** |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
103 |
* Invoked for a directory after entries in the directory, and all of their |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
104 |
* descendants, have been visited. |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
105 |
* |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
106 |
* <p> Unless overridden, this method returns {@link FileVisitResult#CONTINUE |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
107 |
* CONTINUE} if the directory iteration completes without an I/O exception; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
108 |
* otherwise this method throws {@link IOError} with the I/O exception as |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
109 |
* cause. |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
110 |
* |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
111 |
* @throws IOError |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
112 |
* If iteration of the directory completed prematurely due to an |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
113 |
* I/O error |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
114 |
*/ |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
115 |
@Override |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
116 |
public FileVisitResult postVisitDirectory(T dir, IOException exc) { |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
117 |
if (exc != null) |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
118 |
throw new IOError(exc); |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
119 |
return FileVisitResult.CONTINUE; |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
120 |
} |
3acf8e5e2ca0
6781363: New I/O: Update socket-channel API to jsr203/nio2-b99
alanb
parents:
diff
changeset
|
121 |
} |