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/*
 * Copyright 2001-2004 The Apache Software Foundation.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.juli.logging;

/**
 * 
 * An exception that is thrown only if a suitable LogFactory or
 * Log instance cannot be created by the corresponding factory
 * methods.
 * 
 * 
 * 
 * In this version of JCL, this exception will never be thrown in practice.
 * However, it is included here to ensure total compile time and run time
 * compatibility with the original JCL 1.0.4.
 * 
 * @author Craig R. McClanahan
 */

public class LogConfigurationException extends RuntimeException {

    private static final long serialVersionUID = 8486587136871052495L;

    /**
     * Construct a new exception with null as its detail message.
     */
    public LogConfigurationException() {
        super();
    }

    /**
     * Construct a new exception with the specified detail message.
     * 
     * @param message
     *          The detail message
     */
    public LogConfigurationException(String message) {
        super(message);
    }

    /**
     * Construct a new exception with the specified cause and a derived detail
     * message.
     * 
     * @param cause
     *          The underlying cause
     */
    public LogConfigurationException(Throwable cause) {

        this((cause == null) ? null : cause.toString(), cause);

    }

    /**
     * Construct a new exception with the specified detail message and cause.
     * 
     * @param message
     *          The detail message
     * @param cause
     *          The underlying cause
     */
    public LogConfigurationException(String message, Throwable cause) {
        super(message + " (Caused by " + cause + ")");
        this.cause = cause; // Two-argument version requires JDK 1.4 or later
    }

    /**
     * The underlying cause of this exception.
     */
    protected Throwable cause = null;

    /**
     * Return the underlying cause of this exception (if any).
     */
    public Throwable getCause() {
        return (this.cause);
    }

}