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, 024 * this is due to an INTERNAL ERROR of BCEL's class file verifier "JustIce". 025 * 026 */ 027public final class AssertionViolatedException extends RuntimeException{ 028 private static final long serialVersionUID = -129822266349567409L; 029 /** The error message. */ 030 private String detailMessage; 031 /** Constructs a new AssertionViolatedException with null as its error message string. */ 032 public AssertionViolatedException() { 033 super(); 034 } 035 /** 036 * Constructs a new AssertionViolatedException with the specified error message preceded 037 * by "INTERNAL ERROR: ". 038 */ 039 public AssertionViolatedException(String message) { 040 super(message = "INTERNAL ERROR: "+message); // Thanks to Java, the constructor call here must be first. 041 detailMessage=message; 042 } 043 /** 044 * Constructs a new AssertionViolationException with the specified error message and initial cause 045 * @since 6.0 046 */ 047 public AssertionViolatedException(String message, final Throwable initCause) { 048 super(message = "INTERNAL ERROR: "+message, initCause); 049 detailMessage=message; 050 } 051 /** Extends the error message with a string before ("pre") and after ("post") the 052 'old' error message. All of these three strings are allowed to be null, and null 053 is always replaced by the empty string (""). In particular, after invoking this 054 method, the error message of this object can no longer be null. 055 */ 056 public void extendMessage(String pre, String post) { 057 if (pre == null) { 058 pre=""; 059 } 060 if (detailMessage == null) { 061 detailMessage=""; 062 } 063 if (post == null) { 064 post=""; 065 } 066 detailMessage = pre+detailMessage+post; 067 } 068 /** 069 * Returns the error message string of this AssertionViolatedException object. 070 * @return the error message string of this AssertionViolatedException. 071 */ 072 @Override 073 public String getMessage() { 074 return detailMessage; 075 } 076 077 /** 078 * DO NOT USE. It's for experimental testing during development only. 079 */ 080 public static void main(final String[] args) { 081 final AssertionViolatedException ave = new AssertionViolatedException(Arrays.toString(args)); 082 ave.extendMessage("\nFOUND:\n\t","\nExiting!!\n"); 083 throw ave; 084 } 085 086}