1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one
3 * or more contributor license agreements. See the NOTICE file
4 * distributed with this work for additional information
5 * regarding copyright ownership. The ASF licenses this file
6 * to you under the Apache License, Version 2.0 (the
7 * "License"); you may not use this file except in compliance
8 * with the License. You may obtain a copy of the License at
9 *
10 * https://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing,
13 * software distributed under the License is distributed on an
14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15 * KIND, either express or implied. See the License for the
16 * specific language governing permissions and limitations
17 * under the License.
18 */
19 package org.apache.bcel.verifier.exc;
20
21 import java.util.Arrays;
22
23 /**
24 * Instances of this class should never be thrown. When such an instance is thrown, this is due to an INTERNAL ERROR of
25 * BCEL's class file verifier "JustIce".
26 */
27 public final class AssertionViolatedException extends RuntimeException {
28 private static final long serialVersionUID = -129822266349567409L;
29
30 /**
31 * DO NOT USE. It's for experimental testing during development only.
32 */
33 public static void main(final String[] args) {
34 final AssertionViolatedException ave = new AssertionViolatedException(Arrays.toString(args));
35 ave.extendMessage("\nFOUND:\n\t", "\nExiting!!\n");
36 throw ave;
37 }
38
39 /** The error message. */
40 private String detailMessage;
41
42 /** Constructs a new AssertionViolatedException with null as its error message string. */
43 public AssertionViolatedException() {
44 }
45
46 /**
47 * Constructs a new AssertionViolatedException with the specified error message preceded by "INTERNAL ERROR:
48 * ".
49 */
50 public AssertionViolatedException(String message) {
51 super(message = "INTERNAL ERROR: " + message); // Thanks to Java, the constructor call here must be first.
52 detailMessage = message;
53 }
54
55 /**
56 * Constructs a new AssertionViolationException with the specified error message and initial cause
57 *
58 * @since 6.0
59 */
60 public AssertionViolatedException(String message, final Throwable initCause) {
61 super(message = "INTERNAL ERROR: " + message, initCause);
62 detailMessage = message;
63 }
64
65 /**
66 * Extends the error message with a string before ("pre") and after ("post") the 'old' error message. All of these three
67 * strings are allowed to be null, and null is always replaced by the empty string (""). In particular, after invoking
68 * this method, the error message of this object can no longer be null.
69 */
70 public void extendMessage(String pre, String post) {
71 if (pre == null) {
72 pre = "";
73 }
74 if (detailMessage == null) {
75 detailMessage = "";
76 }
77 if (post == null) {
78 post = "";
79 }
80 detailMessage = pre + detailMessage + post;
81 }
82
83 /**
84 * Returns the error message string of this AssertionViolatedException object.
85 *
86 * @return the error message string of this AssertionViolatedException.
87 */
88 @Override
89 public String getMessage() {
90 return detailMessage;
91 }
92
93 }