/*
 * Copyright (c) 2004, Nate Nielsen
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 *     * Redistributions of source code must retain the above
 *       copyright notice, this list of conditions and the
 *       following disclaimer.
 *     * 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.
 *     * The names of contributors to this software may not be
 *       used to endorse or promote products derived from this
 *       software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS 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
 * COPYRIGHT OWNER OR 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.
 *
 *
 * CONTRIBUTORS
 *  Nate Nielsen <nielsen@memberwebs.com>
 *
 */

package com.memberwebs.ldapxml;

/**
 * Thrown when an error occurs during LX retrieval or
 * processing.
 *
 * @author nielsen@memberwebs.com
 * @version 1.0
 */
public class LXException
        extends Exception
{
    /**
     * Creates a new LXException object.
     *
     * @param message Error message.
     */
    public LXException(String message)
    {
        super(message, null);
    }

    /**
     * Creates a new LXException object wrapping a current Exception.
     *
     * @param e The exception.
     */
    public LXException(Exception e)
    {
        super(null, e);
    }

	/**
	 * Creates a new WrappedException with a message and an
	 * exception exception held internally.
	 *
	 * @param message The message to include.
	 * @param e The internal exception.
	 */
	public LXException(String message, Exception e)
	{
		super(message);
		if(e != null)
			m_exception = e;
	}

	/**
	 * Returns the error message of this exception if present, or
	 * the internal exception.
	 *
	 * @return The message.
	 */
	public String getMessage()
	{
		String message = super.getMessage();

		if(message == null && m_exception != null)
			message = m_exception.getMessage();

		return message;
	}

	/**
	 * Returns the internal exception, or this if not present.
	 *
	 * @return The exception.
	 */
	public Exception getException()
	{
		if(m_exception == null)
			return this;
		else
			return m_exception;
	}

	/**
	 * Converts this object to a string.
	 *
	 * @return The string value.
	 */
	public String toString ()
	{
		if(m_exception != null)
			return m_exception.toString();
		else
			return super.toString();
	}

	public StackTraceElement[] getStackTrace()
	{
	  return getStackTrace();
	}

	// The internal exception
	private Exception m_exception;
}