1 /* 2 * Copyright (c) 2009, 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 Exception nested; 40 41 /** 42 * Default constructor 43 */ 44 public FactoryConfigurationError(){} 45 46 /** 47 * Construct an exception with a nested inner exception 48 * 49 * @param e the exception to nest 50 */ 51 public FactoryConfigurationError(java.lang.Exception e){ 52 nested = e; 53 } 54 55 /** 56 * Construct an exception with a nested inner exception 57 * and a message 58 * 59 * @param e the exception to nest 60 * @param msg the message to report 61 */ 62 public FactoryConfigurationError(java.lang.Exception e, java.lang.String msg){ 63 super(msg); 64 nested = e; 65 } 66 67 /** 68 * Construct an exception with a nested inner exception 69 * and a message 70 * 71 * @param msg the message to report 72 * @param e the exception to nest 73 */ 74 public FactoryConfigurationError(java.lang.String msg, java.lang.Exception e){ 75 super(msg); 76 nested = e; 77 } 78 79 /** 80 * Construct an exception with associated message 81 * 82 * @param msg the message to report 83 */ 84 public FactoryConfigurationError(java.lang.String msg) { 85 super(msg); 86 } 87 88 /** 89 * Return the nested exception (if any) 90 * 91 * @return the nested exception or null 92 */ 93 public Exception getException() { 94 return nested; 95 } 96 /** 97 * use the exception chaining mechanism of JDK1.4 98 */ 99 @Override 100 public Throwable getCause() { 101 return nested; 102 } 103 104 /** 105 * Report the message associated with this error 106 * 107 * @return the string value of the message 108 */ 109 public String getMessage() { 110 String msg = super.getMessage(); 111 if(msg != null) 112 return msg; 113 if(nested != null){ 114 msg = nested.getMessage(); 115 if(msg == null) 116 msg = nested.getClass().toString(); 117 } 118 return msg; 119 } 120 121 122 123 }