forked from wupeixuan/JDKSourceCode1.8
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathOptionalDataException.java
More file actions
83 lines (77 loc) · 1.86 KB
/
OptionalDataException.java
File metadata and controls
83 lines (77 loc) · 1.86 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
/*
* Copyright (c) 1996, 2005, Oracle and/or its affiliates. All rights reserved.
* ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*/
package java.io;
/**
* Exception indicating the failure of an object read operation due to
* unread primitive data, or the end of data belonging to a serialized
* object in the stream. This exception may be thrown in two cases:
*
* <ul>
* <li>An attempt was made to read an object when the next element in the
* stream is primitive data. In this case, the OptionalDataException's
* length field is set to the number of bytes of primitive data
* immediately readable from the stream, and the eof field is set to
* false.
*
* <li>An attempt was made to read past the end of data consumable by a
* class-defined readObject or readExternal method. In this case, the
* OptionalDataException's eof field is set to true, and the length field
* is set to 0.
* </ul>
*
* @author unascribed
* @since JDK1.1
*/
public class OptionalDataException extends ObjectStreamException {
private static final long serialVersionUID = -8011121865681257820L;
/*
* Create an <code>OptionalDataException</code> with a length.
*/
OptionalDataException(int len) {
eof = false;
length = len;
}
/*
* Create an <code>OptionalDataException</code> signifying no
* more primitive data is available.
*/
OptionalDataException(boolean end) {
length = 0;
eof = end;
}
/**
* The number of bytes of primitive data available to be read
* in the current buffer.
*
* @serial
*/
public int length;
/**
* True if there is no more data in the buffered part of the stream.
*
* @serial
*/
public boolean eof;
}