J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 1995-2000 Sun Microsystems, Inc. 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. Sun designates this |
| 8 | * particular file as subject to the "Classpath" exception as provided |
| 9 | * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 22 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| 23 | * have any questions. |
| 24 | */ |
| 25 | |
| 26 | package java.lang; |
| 27 | |
| 28 | /** |
| 29 | * An <code>Error</code> is a subclass of <code>Throwable</code> |
| 30 | * that indicates serious problems that a reasonable application |
| 31 | * should not try to catch. Most such errors are abnormal conditions. |
| 32 | * The <code>ThreadDeath</code> error, though a "normal" condition, |
| 33 | * is also a subclass of <code>Error</code> because most applications |
| 34 | * should not try to catch it. |
| 35 | * <p> |
| 36 | * A method is not required to declare in its <code>throws</code> |
| 37 | * clause any subclasses of <code>Error</code> that might be thrown |
| 38 | * during the execution of the method but not caught, since these |
| 39 | * errors are abnormal conditions that should never occur. |
| 40 | * |
| 41 | * @author Frank Yellin |
| 42 | * @see java.lang.ThreadDeath |
| 43 | * @since JDK1.0 |
| 44 | */ |
| 45 | public class Error extends Throwable { |
| 46 | static final long serialVersionUID = 4980196508277280342L; |
| 47 | |
| 48 | /** |
| 49 | * Constructs a new error with <code>null</code> as its detail message. |
| 50 | * The cause is not initialized, and may subsequently be initialized by a |
| 51 | * call to {@link #initCause}. |
| 52 | */ |
| 53 | public Error() { |
| 54 | super(); |
| 55 | } |
| 56 | |
| 57 | /** |
| 58 | * Constructs a new error with the specified detail message. The |
| 59 | * cause is not initialized, and may subsequently be initialized by |
| 60 | * a call to {@link #initCause}. |
| 61 | * |
| 62 | * @param message the detail message. The detail message is saved for |
| 63 | * later retrieval by the {@link #getMessage()} method. |
| 64 | */ |
| 65 | public Error(String message) { |
| 66 | super(message); |
| 67 | } |
| 68 | |
| 69 | /** |
| 70 | * Constructs a new error with the specified detail message and |
| 71 | * cause. <p>Note that the detail message associated with |
| 72 | * <code>cause</code> is <i>not</i> automatically incorporated in |
| 73 | * this error's detail message. |
| 74 | * |
| 75 | * @param message the detail message (which is saved for later retrieval |
| 76 | * by the {@link #getMessage()} method). |
| 77 | * @param cause the cause (which is saved for later retrieval by the |
| 78 | * {@link #getCause()} method). (A <tt>null</tt> value is |
| 79 | * permitted, and indicates that the cause is nonexistent or |
| 80 | * unknown.) |
| 81 | * @since 1.4 |
| 82 | */ |
| 83 | public Error(String message, Throwable cause) { |
| 84 | super(message, cause); |
| 85 | } |
| 86 | |
| 87 | /** |
| 88 | * Constructs a new error with the specified cause and a detail |
| 89 | * message of <tt>(cause==null ? null : cause.toString())</tt> (which |
| 90 | * typically contains the class and detail message of <tt>cause</tt>). |
| 91 | * This constructor is useful for errors that are little more than |
| 92 | * wrappers for other throwables. |
| 93 | * |
| 94 | * @param cause the cause (which is saved for later retrieval by the |
| 95 | * {@link #getCause()} method). (A <tt>null</tt> value is |
| 96 | * permitted, and indicates that the cause is nonexistent or |
| 97 | * unknown.) |
| 98 | * @since 1.4 |
| 99 | */ |
| 100 | public Error(Throwable cause) { |
| 101 | super(cause); |
| 102 | } |
| 103 | } |