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| 1 | /* | ||
| 2 | * Copyright (c) 1995, 2011, 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.lang; | ||
| 27 | |||
| 28 | /** | ||
| 29 | * An {@code Error} is a subclass of {@code Throwable} | ||
| 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} error, though a "normal" condition, | ||
| 33 | * is also a subclass of {@code Error} because most applications | ||
| 34 | * should not try to catch it. | ||
| 35 | * <p> | ||
| 36 | * A method is not required to declare in its {@code throws} | ||
| 37 | * clause any subclasses of {@code Error} 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 | * That is, {@code Error} and its subclasses are regarded as unchecked | ||
| 42 | * exceptions for the purposes of compile-time checking of exceptions. | ||
| 43 | * | ||
| 44 | * @author Frank Yellin | ||
| 45 | * @see java.lang.ThreadDeath | ||
| 46 | * @jls 11.2 Compile-Time Checking of Exceptions | ||
| 47 | * @since JDK1.0 | ||
| 48 | */ | ||
| 49 | public class Error extends Throwable { | ||
| 50 | static final long serialVersionUID = 4980196508277280342L; | ||
| 51 | |||
| 52 | /** | ||
| 53 | * Constructs a new error with {@code null} as its detail message. | ||
| 54 | * The cause is not initialized, and may subsequently be initialized by a | ||
| 55 | * call to {@link #initCause}. | ||
| 56 | */ | ||
| 57 | public Error() { | ||
| 58 | super(); | ||
| 59 | } | ||
| 60 | |||
| 61 | /** | ||
| 62 | * Constructs a new error with the specified detail message. The | ||
| 63 | * cause is not initialized, and may subsequently be initialized by | ||
| 64 | * a call to {@link #initCause}. | ||
| 65 | * | ||
| 66 | * @param message the detail message. The detail message is saved for | ||
| 67 | * later retrieval by the {@link #getMessage()} method. | ||
| 68 | */ | ||
| 69 | public Error(String message) { | ||
| 70 | super(message); | ||
| 71 | } | ||
| 72 | |||
| 73 | /** | ||
| 74 | * Constructs a new error with the specified detail message and | ||
| 75 | * cause. <p>Note that the detail message associated with | ||
| 76 | * {@code cause} is <i>not</i> automatically incorporated in | ||
| 77 | * this error's detail message. | ||
| 78 | * | ||
| 79 | * @param message the detail message (which is saved for later retrieval | ||
| 80 | * by the {@link #getMessage()} method). | ||
| 81 | * @param cause the cause (which is saved for later retrieval by the | ||
| 82 | * {@link #getCause()} method). (A {@code null} value is | ||
| 83 | * permitted, and indicates that the cause is nonexistent or | ||
| 84 | * unknown.) | ||
| 85 | * @since 1.4 | ||
| 86 | */ | ||
| 87 | public Error(String message, Throwable cause) { | ||
| 88 | super(message, cause); | ||
| 89 | } | ||
| 90 | |||
| 91 | /** | ||
| 92 | * Constructs a new error with the specified cause and a detail | ||
| 93 | * message of {@code (cause==null ? null : cause.toString())} (which | ||
| 94 | * typically contains the class and detail message of {@code cause}). | ||
| 95 | * This constructor is useful for errors that are little more than | ||
| 96 | * wrappers for other throwables. | ||
| 97 | * | ||
| 98 | * @param cause the cause (which is saved for later retrieval by the | ||
| 99 | * {@link #getCause()} method). (A {@code null} value is | ||
| 100 | * permitted, and indicates that the cause is nonexistent or | ||
| 101 | * unknown.) | ||
| 102 | * @since 1.4 | ||
| 103 | */ | ||
| 104 | public Error(Throwable cause) { | ||
| 105 | super(cause); | ||
| 106 | } | ||
| 107 | |||
| 108 | /** | ||
| 109 | * Constructs a new error with the specified detail message, | ||
| 110 | * cause, suppression enabled or disabled, and writable stack | ||
| 111 | * trace enabled or disabled. | ||
| 112 | * | ||
| 113 | * @param message the detail message. | ||
| 114 | * @param cause the cause. (A {@code null} value is permitted, | ||
| 115 | * and indicates that the cause is nonexistent or unknown.) | ||
| 116 | * @param enableSuppression whether or not suppression is enabled | ||
| 117 | * or disabled | ||
| 118 | * @param writableStackTrace whether or not the stack trace should | ||
| 119 | * be writable | ||
| 120 | * | ||
| 121 | * @since 1.7 | ||
| 122 | */ | ||
| 123 | protected Error(String message, Throwable cause, | ||
| 124 | boolean enableSuppression, | ||
| 125 | boolean writableStackTrace) { | ||
| 126 | super(message, cause, enableSuppression, writableStackTrace); | ||
| 127 | } | ||
| 128 | } | ||