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/*
 * Copyright (c) 2008, Harald Kuhr
 * 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.
 *     * Neither the name "TwelveMonkeys" nor the
 *       names of its contributors may 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.
 */

package com.twelvemonkeys.servlet;

import javax.servlet.ServletException;

/**
 * ServletConfigException.
 *
 * @author Harald Kuhr
 * @version $Id: //depot/branches/personal/haraldk/twelvemonkeys/release-2/twelvemonkeys-servlet/src/main/java/com/twelvemonkeys/servlet/ServletConfigException.java#2 $
 */
public class ServletConfigException extends ServletException {

    /**
     * Creates a {@code ServletConfigException} with the given message.
     *
     * @param pMessage the exception message
     */
    public ServletConfigException(String pMessage) {
        super(pMessage);
    }

    /**
     * Creates a {@code ServletConfigException} with the given message and cause.
     *
     * @param pMessage the exception message
     * @param pCause the exception cause
     */
    public ServletConfigException(String pMessage, Throwable pCause) {
        super(pMessage, pCause);
        if (getCause() == null) {
            initCause(pCause);
        }
    }

    /**
     * Creates a {@code ServletConfigException} with the cause.
     *
     * @param pCause the exception cause
     */
    public ServletConfigException(Throwable pCause) {
        super("Erorr in Servlet configuration: " + pCause.getMessage(), pCause);
        if (getCause() == null) {
            initCause(pCause);
        }
    }

    /**
     * Gets the cause of this {@code ServletConfigException}.
     *
     * @return the cause, or {@code null} if unknown.
     * @see #getRootCause()
     */
//    public final Throwable getCause() {
//        Throwable cause = super.getCause();
//        return cause != null ? cause : super.getRootCause();
//    }

    /**
     * @deprecated Use {@link #getCause()} instead.
     */
//    public final Throwable getRootCause() {
//        return getCause();
//    }
}