1 /*
2  * Copyright (c) 1994, 2020, Oracle and/or its affiliates. All rights reserved.
3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4  *
5  * This code is free software; you can redistribute it and/or modify it
6  * under the terms of the GNU General Public License version 2 only, as
7  * published by the Free Software Foundation.  Oracle designates this
8  * particular file as subject to the "Classpath" exception as provided
9  * by Oracle in the LICENSE file that accompanied this code.
10  *
11  * This code is distributed in the hope that it will be useful, but WITHOUT
12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14  * version 2 for more details (a copy is included in the LICENSE file that
15  * accompanied this code).
16  *
17  * You should have received a copy of the GNU General Public License version
18  * 2 along with this work; if not, write to the Free Software Foundation,
19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20  *
21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22  * or visit www.oracle.com if you need additional information or have any
23  * questions.
24  */
25 
26 package java.io;
27 
28 /**
29  * Signals that an I/O exception of some sort has occurred. This
30  * class is the general class of exceptions produced by failed or
31  * interrupted I/O operations.
32  *
33  * @see     java.io.InputStream
34  * @see     java.io.OutputStream
35  * @since   1.0
36  */
37 public class IOException extends Exception {
38     @java.io.Serial
39     static final long serialVersionUID = 7818375828146090155L;
40 
41     /**
42      * Constructs an {@code IOException} with {@code null}
43      * as its error detail message.
44      */
IOException()45     public IOException() {
46         super();
47     }
48 
49     /**
50      * Constructs an {@code IOException} with the specified detail message.
51      *
52      * @param message
53      *        The detail message (which is saved for later retrieval
54      *        by the {@link #getMessage()} method)
55      */
IOException(String message)56     public IOException(String message) {
57         super(message);
58     }
59 
60     /**
61      * Constructs an {@code IOException} with the specified detail message
62      * and cause.
63      *
64      * <p> Note that the detail message associated with {@code cause} is
65      * <i>not</i> automatically incorporated into this exception's detail
66      * message.
67      *
68      * @param message
69      *        The detail message (which is saved for later retrieval
70      *        by the {@link #getMessage()} method)
71      *
72      * @param cause
73      *        The cause (which is saved for later retrieval by the
74      *        {@link #getCause()} method).  (A null value is permitted,
75      *        and indicates that the cause is nonexistent or unknown.)
76      *
77      * @since 1.6
78      */
IOException(String message, Throwable cause)79     public IOException(String message, Throwable cause) {
80         super(message, cause);
81     }
82 
83     /**
84      * Constructs an {@code IOException} with the specified cause and a
85      * detail message of {@code (cause==null ? null : cause.toString())}
86      * (which typically contains the class and detail message of {@code cause}).
87      * This constructor is useful for IO exceptions that are little more
88      * than wrappers for other throwables.
89      *
90      * @param cause
91      *        The cause (which is saved for later retrieval by the
92      *        {@link #getCause()} method).  (A null value is permitted,
93      *        and indicates that the cause is nonexistent or unknown.)
94      *
95      * @since 1.6
96      */
IOException(Throwable cause)97     public IOException(Throwable cause) {
98         super(cause);
99     }
100 }
101