Java tutorial
/* * Copyright (c) 2000, 2005, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package javax.xml.parsers; /** * Thrown when a problem with configuration with the Parser Factories * exists. This error will typically be thrown when the class of a * parser factory specified in the system properties cannot be found * or instantiated. * * @author Jeff Suttor * @since 1.4 */ public class FactoryConfigurationError extends Error { private static final long serialVersionUID = -827108682472263355L; /** *<code>Exception</code> that represents the error. */ private Exception exception; /** * Create a new <code>FactoryConfigurationError</code> with no * detail message. */ public FactoryConfigurationError() { super(); this.exception = null; } /** * Create a new <code>FactoryConfigurationError</code> with * the <code>String </code> specified as an error message. * * @param msg The error message for the exception. */ public FactoryConfigurationError(String msg) { super(msg); this.exception = null; } /** * Create a new <code>FactoryConfigurationError</code> with a * given <code>Exception</code> base cause of the error. * * @param e The exception to be encapsulated in a * FactoryConfigurationError. */ public FactoryConfigurationError(Exception e) { super(e.toString()); this.exception = e; } /** * Create a new <code>FactoryConfigurationError</code> with the * given <code>Exception</code> base cause and detail message. * * @param e The exception to be encapsulated in a * FactoryConfigurationError * @param msg The detail message. */ public FactoryConfigurationError(Exception e, String msg) { super(msg); this.exception = e; } /** * Return the message (if any) for this error . If there is no * message for the exception and there is an encapsulated * exception then the message of that exception, if it exists will be * returned. Else the name of the encapsulated exception will be * returned. * * @return The error message. */ public String getMessage() { String message = super.getMessage(); if (message == null && exception != null) { return exception.getMessage(); } return message; } /** * Return the actual exception (if any) that caused this exception to * be raised. * * @return The encapsulated exception, or null if there is none. */ public Exception getException() { return exception; } /** * use the exception chaining mechanism of JDK1.4 */ @Override public Throwable getCause() { return exception; } }