001/* 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 * 017 */ 018package org.apache.bcel.verifier.exc; 019 020import java.util.Arrays; 021 022/** 023 * Instances of this class should never be thrown. When such an instance is thrown, this is due to an INTERNAL ERROR of 024 * BCEL's class file verifier "JustIce". 025 * 026 */ 027public final class AssertionViolatedException extends RuntimeException { 028 private static final long serialVersionUID = -129822266349567409L; 029 030 /** 031 * DO NOT USE. It's for experimental testing during development only. 032 */ 033 public static void main(final String[] args) { 034 final AssertionViolatedException ave = new AssertionViolatedException(Arrays.toString(args)); 035 ave.extendMessage("\nFOUND:\n\t", "\nExiting!!\n"); 036 throw ave; 037 } 038 039 /** The error message. */ 040 private String detailMessage; 041 042 /** Constructs a new AssertionViolatedException with null as its error message string. */ 043 public AssertionViolatedException() { 044 } 045 046 /** 047 * Constructs a new AssertionViolatedException with the specified error message preceded by "INTERNAL ERROR: 048 * ". 049 */ 050 public AssertionViolatedException(String message) { 051 super(message = "INTERNAL ERROR: " + message); // Thanks to Java, the constructor call here must be first. 052 detailMessage = message; 053 } 054 055 /** 056 * Constructs a new AssertionViolationException with the specified error message and initial cause 057 * 058 * @since 6.0 059 */ 060 public AssertionViolatedException(String message, final Throwable initCause) { 061 super(message = "INTERNAL ERROR: " + message, initCause); 062 detailMessage = message; 063 } 064 065 /** 066 * Extends the error message with a string before ("pre") and after ("post") the 'old' error message. All of these three 067 * strings are allowed to be null, and null is always replaced by the empty string (""). In particular, after invoking 068 * this method, the error message of this object can no longer be null. 069 */ 070 public void extendMessage(String pre, String post) { 071 if (pre == null) { 072 pre = ""; 073 } 074 if (detailMessage == null) { 075 detailMessage = ""; 076 } 077 if (post == null) { 078 post = ""; 079 } 080 detailMessage = pre + detailMessage + post; 081 } 082 083 /** 084 * Returns the error message string of this AssertionViolatedException object. 085 * 086 * @return the error message string of this AssertionViolatedException. 087 */ 088 @Override 089 public String getMessage() { 090 return detailMessage; 091 } 092 093}