1 /* 2 * Copyright (c) 2009, 2020, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 27 package javax.xml.stream; 28 29 /** 30 * An error class for reporting factory configuration errors. 31 * 32 * @version 1.0 33 * @author Copyright (c) 2009 by Oracle Corporation. All Rights Reserved. 34 * @since 1.6 35 */ 36 public class FactoryConfigurationError extends Error { 37 private static final long serialVersionUID = -2994412584589975744L; 38 39 /** 40 * The nested exception 41 */ 42 Exception nested; 43 44 /** 45 * Default constructor 46 */ 47 public FactoryConfigurationError(){} 48 49 /** 50 * Construct an exception with a nested inner exception 51 * 52 * @param e the exception to nest 53 */ 54 public FactoryConfigurationError(java.lang.Exception e){ 55 nested = e; 56 } 57 58 /** 59 * Construct an exception with a nested inner exception 60 * and a message 61 * 62 * @param e the exception to nest 63 * @param msg the message to report 64 */ 65 public FactoryConfigurationError(java.lang.Exception e, java.lang.String msg){ 66 super(msg); 67 nested = e; 68 } 69 70 /** 71 * Construct an exception with a nested inner exception 72 * and a message 73 * 74 * @param msg the message to report 75 * @param e the exception to nest 76 */ 77 public FactoryConfigurationError(java.lang.String msg, java.lang.Exception e){ 78 super(msg); 79 nested = e; 80 } 81 82 /** 83 * Construct an exception with associated message 84 * 85 * @param msg the message to report 86 */ 87 public FactoryConfigurationError(java.lang.String msg) { 88 super(msg); 89 } 90 91 /** 92 * Return the nested exception (if any) 93 * 94 * @return the nested exception or null 95 */ 96 public Exception getException() { 97 return nested; 98 } 99 /** 100 * use the exception chaining mechanism of JDK1.4 101 */ 102 @Override 103 public Throwable getCause() { 104 return nested; 105 } 106 107 /** 108 * Report the message associated with this error 109 * 110 * @return the string value of the message 111 */ 112 public String getMessage() { 113 String msg = super.getMessage(); 114 if(msg != null) 115 return msg; 116 if(nested != null){ 117 msg = nested.getMessage(); 118 if(msg == null) 119 msg = nested.getClass().toString(); 120 } 121 return msg; 122 } 123 124 125 126 }