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1 package org.apache.bcel.verifier.exc; 2 3 /* ==================================================================== 4 * The Apache Software License, Version 1.1 5 * 6 * Copyright (c) 2001 The Apache Software Foundation. All rights 7 * reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in 18 * the documentation and/or other materials provided with the 19 * distribution. 20 * 21 * 3. The end-user documentation included with the redistribution, 22 * if any, must include the following acknowledgment: 23 * "This product includes software developed by the 24 * Apache Software Foundation (http://www.apache.org/)." 25 * Alternately, this acknowledgment may appear in the software itself, 26 * if and wherever such third-party acknowledgments normally appear. 27 * 28 * 4. The names "Apache" and "Apache Software Foundation" and 29 * "Apache BCEL" must not be used to endorse or promote products 30 * derived from this software without prior written permission. For 31 * written permission, please contact apache@apache.org. 32 * 33 * 5. Products derived from this software may not be called "Apache", 34 * "Apache BCEL", nor may "Apache" appear in their name, without 35 * prior written permission of the Apache Software Foundation. 36 * 37 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED 38 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 39 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 40 * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR 41 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 42 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 43 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF 44 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 45 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 46 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 47 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 48 * SUCH DAMAGE. 49 * ==================================================================== 50 * 51 * This software consists of voluntary contributions made by many 52 * individuals on behalf of the Apache Software Foundation. For more 53 * information on the Apache Software Foundation, please see 54 * <http://www.apache.org/>;. 55 */ 56 57 /*** 58 * Instances of this class are thrown by BCEL's class file verifier "JustIce" 59 * whenever 60 * verification proves that some constraint of a class file (as stated in the 61 * Java Virtual Machine Specification, Edition 2) is violated. 62 * This is roughly equivalent to the VerifyError the JVM-internal verifiers 63 * throw. 64 * 65 * @version $Id: VerifierConstraintViolatedException.java,v 1.1.1.1 2001/10/29 20:00:34 jvanzyl Exp $ 66 * @author <A HREF="http://www.inf.fu-berlin.de/~ehaase"/>Enver Haase</A> 67 */ 68 public abstract class VerifierConstraintViolatedException extends RuntimeException{ 69 // /*** The name of the offending class that did not pass the verifier. */ 70 // String name_of_offending_class; 71 72 /*** The specified error message. */ 73 private String detailMessage; 74 /*** 75 * Constructs a new VerifierConstraintViolatedException with null as its error message string. 76 */ 77 VerifierConstraintViolatedException(){ 78 super(); 79 } 80 /*** 81 * Constructs a new VerifierConstraintViolatedException with the specified error message. 82 */ 83 VerifierConstraintViolatedException(String message){ 84 super(message); // Not that important 85 detailMessage = message; 86 } 87 88 89 /*** Extends the error message with a string before ("pre") and after ("post") the 90 'old' error message. All of these three strings are allowed to be null, and null 91 is always replaced by the empty string (""). In particular, after invoking this 92 method, the error message of this object can no longer be null. 93 */ 94 public void extendMessage(String pre, String post){ 95 if (pre == null) pre=""; 96 if (detailMessage == null) detailMessage=""; 97 if (post == null) post=""; 98 detailMessage = pre+detailMessage+post; 99 } 100 /*** 101 * Returns the error message string of this VerifierConstraintViolatedException object. 102 * @return the error message string of this VerifierConstraintViolatedException. 103 */ 104 public String getMessage(){ 105 return detailMessage; 106 } 107 }

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