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	/*
	* Copyright (c) 2009, 2020, 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.stream;

	/**
	* An error class for reporting factory configuration errors.
	*
	* @version 1.0
	* @author Copyright (c) 2009 by Oracle Corporation. All Rights Reserved.
	* @since 1.6
	*/
	public class FactoryConfigurationError extends Error {
	private static final long serialVersionUID = -2994412584589975744L;

	/**
	* The nested exception.
	*/
	Exception nested;

	/**
	* Default constructor
	*/
	public FactoryConfigurationError(){}

	/**
	* Construct an exception with a nested inner exception
	*
	* @param e the exception to nest
	*/
	public FactoryConfigurationError(java.lang.Exception e){
	nested = e;
	}

	/**
	* Construct an exception with a nested inner exception
	* and a message
	*
	* @param e the exception to nest
	* @param msg the message to report
	*/
	public FactoryConfigurationError(java.lang.Exception e, java.lang.String msg){
	super(msg);
	nested = e;
	}

	/**
	* Construct an exception with a nested inner exception
	* and a message
	*
	* @param msg the message to report
	* @param e the exception to nest
	*/
	public FactoryConfigurationError(java.lang.String msg, java.lang.Exception e){
	super(msg);
	nested = e;
	}

	/**
	* Construct an exception with associated message
	*
	* @param msg the message to report
	*/
	public FactoryConfigurationError(java.lang.String msg) {
	super(msg);
	}

	/**
	* Return the nested exception (if any)
	*
	* @return the nested exception or null
	*/
	public Exception getException() {
	return nested;
	}
	/**
	* use the exception chaining mechanism of JDK1.4
	*/
	@Override
	public Throwable getCause() {
	return nested;
	}

	/**
	* Report the message associated with this error
	*
	* @return the string value of the message
	*/
	public String getMessage() {
	String msg = super.getMessage();
	if(msg != null)
	return msg;
	if(nested != null){
	msg = nested.getMessage();
	if(msg == null)
	msg = nested.getClass().toString();
	}
	return msg;
	}



	}

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