1/*
2 *  Licensed to the Apache Software Foundation (ASF) under one or more
3 *  contributor license agreements.  See the NOTICE file distributed with
4 *  this work for additional information regarding copyright ownership.
5 *  The ASF licenses this file to You under the Apache License, Version 2.0
6 *  (the "License"); you may not use this file except in compliance with
7 *  the License.  You may obtain a copy of the License at
8 *
9 *     http://www.apache.org/licenses/LICENSE-2.0
10 *
11 *  Unless required by applicable law or agreed to in writing, software
12 *  distributed under the License is distributed on an "AS IS" BASIS,
13 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 *  See the License for the specific language governing permissions and
15 *  limitations under the License.
16 */
17
18package java.lang;
19
20/**
21 * Thrown when an exception occurs during class initialization.
22 */
23public class ExceptionInInitializerError extends LinkageError {
24
25    private static final long serialVersionUID = 1521711792217232256L;
26
27    private Throwable exception;
28
29    /**
30     * Constructs a new {@code ExceptionInInitializerError} that includes the
31     * current stack trace.
32     */
33    public ExceptionInInitializerError() {
34        initCause(null);
35    }
36
37    /**
38     * Constructs a new {@code ExceptionInInitializerError} with the current
39     * stack trace and the specified detail message.
40     *
41     * @param detailMessage
42     *            the detail message for this error.
43     */
44    public ExceptionInInitializerError(String detailMessage) {
45        super(detailMessage);
46        initCause(null);
47    }
48
49    /**
50     * Constructs a new {@code ExceptionInInitializerError} with the current
51     * stack trace and the specified cause. The exception should be the one
52     * which originally occurred in the class initialization code.
53     *
54     * @param exception
55     *            the exception that caused this error.
56     */
57    public ExceptionInInitializerError(Throwable exception) {
58        this.exception = exception;
59        initCause(exception);
60    }
61
62    /**
63     * Returns the exception that is the cause of this error.
64     *
65     * @return the exception that caused this error.
66     */
67    public Throwable getException() {
68        return exception;
69    }
70
71    /**
72     * Returns the cause of this error, or {@code null} if there is no cause.
73     *
74     * @return the exception that caused this error.
75     */
76    @Override
77    public Throwable getCause() {
78        return exception;
79    }
80}
81