1/*
2 * Copyright (c) 1994, 2006, 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
26package 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 * @author  unascribed
34 * @see     java.io.InputStream
35 * @see     java.io.OutputStream
36 * @since   1.0
37 */
38public
39class IOException extends Exception {
40    static final long serialVersionUID = 7818375828146090155L;
41
42    /**
43     * Constructs an {@code IOException} with {@code null}
44     * as its error detail message.
45     */
46    public IOException() {
47        super();
48    }
49
50    /**
51     * Constructs an {@code IOException} with the specified detail message.
52     *
53     * @param message
54     *        The detail message (which is saved for later retrieval
55     *        by the {@link #getMessage()} method)
56     */
57    public IOException(String message) {
58        super(message);
59    }
60
61    /**
62     * Constructs an {@code IOException} with the specified detail message
63     * and cause.
64     *
65     * <p> Note that the detail message associated with {@code cause} is
66     * <i>not</i> automatically incorporated into this exception's detail
67     * message.
68     *
69     * @param message
70     *        The detail message (which is saved for later retrieval
71     *        by the {@link #getMessage()} method)
72     *
73     * @param cause
74     *        The cause (which is saved for later retrieval by the
75     *        {@link #getCause()} method).  (A null value is permitted,
76     *        and indicates that the cause is nonexistent or unknown.)
77     *
78     * @since 1.6
79     */
80    public IOException(String message, Throwable cause) {
81        super(message, cause);
82    }
83
84    /**
85     * Constructs an {@code IOException} with the specified cause and a
86     * detail message of {@code (cause==null ? null : cause.toString())}
87     * (which typically contains the class and detail message of {@code cause}).
88     * This constructor is useful for IO exceptions that are little more
89     * than wrappers for other throwables.
90     *
91     * @param cause
92     *        The cause (which is saved for later retrieval by the
93     *        {@link #getCause()} method).  (A null value is permitted,
94     *        and indicates that the cause is nonexistent or unknown.)
95     *
96     * @since 1.6
97     */
98    public IOException(Throwable cause) {
99        super(cause);
100    }
101}
102