/*
 * The Apache Software License, Version 1.1
 *
 *
 * Copyright (c) 2001 The Apache Software Foundation.  All rights 
 * reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer. 
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * 3. The end-user documentation included with the redistribution,
 *    if any, must include the following acknowledgment:  
 *       "This product includes software developed by the
 *        Apache Software Foundation (http://www.apache.org/)."
 *    Alternately, this acknowledgment may appear in the software itself,
 *    if and wherever such third-party acknowledgments normally appear.
 *
 * 4. The names "Xerces" and "Apache Software Foundation" must
 *    not be used to endorse or promote products derived from this
 *    software without prior written permission. For written 
 *    permission, please contact apache@apache.org.
 *
 * 5. Products derived from this software may not be called "Apache",
 *    nor may "Apache" appear in their name, without prior written
 *    permission of the Apache Software Foundation.
 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of the Apache Software Foundation and was
 * originally based on software copyright (c) 1999, International
 * Business Machines, Inc., http://www.apache.org.  For more
 * information on the Apache Software Foundation, please see
 * <http://www.apache.org/>.
 */

package org.apache.xerces.xni;

/**
 * This exception is the base exception of all XNI exceptions. It
 * can be constructed with an error message or used to wrap another
 * exception object.
 * <p>
 * <strong>Note:</strong> By extending the Java 
 * <code>RuntimeException</code>, XNI handlers and components are 
 * not required to catch XNI exceptions but may explicitly catch
 * them, if so desired.
 *
 * @author Andy Clark, IBM
 *
 * @version $Id$
 */
public class XNIException 
    extends RuntimeException {

    //
    // Data
    //

    /** The wrapped exception. */
    private Exception fException;

    //
    // Constructors
    //

    /**
     * Constructs an XNI exception with a message. 
     *
     * @param message The exception message.
     */
    public XNIException(String message) {
        super(message);
    } // <init>(String)

    /**
     * Constructs an XNI exception with a wrapped exception. 
     *
     * @param exception The wrapped exception.
     */
    public XNIException(Exception exception) {
        super(exception.getMessage());
        fException = exception;
    } // <init>(Exception)

    /**
     * Constructs an XNI exception with a message and wrapped exception. 
     *
     * @param message The exception message.
     * @param exception The wrapped exception.
     */
    public XNIException(String message, Exception exception) {
        super(message);
        fException = exception;
    } // <init>(Exception,String)

    //
    // Public methods
    //

    /** Returns the wrapped exception. */
    public Exception getException() {
        return fException;
    } // getException():Exception

} // class QName