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; 019 020 021/** 022 * Instances of this class should never be thrown. When such an instance is thrown, 023 * this is due to an INTERNAL ERROR of BCEL's class file verifier "JustIce". 024 * 025 */ 026public final class AssertionViolatedException extends RuntimeException{ 027 private static final long serialVersionUID = -129822266349567409L; 028 /** The error message. */ 029 private String detailMessage; 030 /** Constructs a new AssertionViolatedException with null as its error message string. */ 031 public AssertionViolatedException() { 032 super(); 033 } 034 /** 035 * Constructs a new AssertionViolatedException with the specified error message preceded 036 * by "INTERNAL ERROR: ". 037 */ 038 public AssertionViolatedException(String message) { 039 super(message = "INTERNAL ERROR: "+message); // Thanks to Java, the constructor call here must be first. 040 detailMessage=message; 041 } 042 /** 043 * Constructs a new AssertionViolationException with the specified error message and initial cause 044 * @since 6.0 045 */ 046 public AssertionViolatedException(String message, final Throwable initCause) { 047 super(message = "INTERNAL ERROR: "+message, initCause); 048 detailMessage=message; 049 } 050 /** Extends the error message with a string before ("pre") and after ("post") the 051 'old' error message. All of these three strings are allowed to be null, and null 052 is always replaced by the empty string (""). In particular, after invoking this 053 method, the error message of this object can no longer be null. 054 */ 055 public void extendMessage(String pre, String post) { 056 if (pre == null) { 057 pre=""; 058 } 059 if (detailMessage == null) { 060 detailMessage=""; 061 } 062 if (post == null) { 063 post=""; 064 } 065 detailMessage = pre+detailMessage+post; 066 } 067 /** 068 * Returns the error message string of this AssertionViolatedException object. 069 * @return the error message string of this AssertionViolatedException. 070 */ 071 @Override 072 public String getMessage() { 073 return detailMessage; 074 } 075 076 /** 077 * DO NOT USE. It's for experimental testing during development only. 078 */ 079 public static void main(final String[] args) { 080 final AssertionViolatedException ave = new AssertionViolatedException("Oops!"); 081 ave.extendMessage("\nFOUND:\n\t","\nExiting!!\n"); 082 throw ave; 083 } 084 085}