001/*
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements.  See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License.  You may obtain a copy of the License at
008 *
009 *      http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017
018package org.apache.commons.logging;
019
020import java.util.Objects;
021
022/**
023 * An exception that is thrown only if a suitable {@code LogFactory} or {@code Log} instance cannot be created by the corresponding factory methods.
024 */
025public class LogConfigurationException extends RuntimeException {
026
027    /** Serializable version identifier. */
028    private static final long serialVersionUID = 8486587136871052495L;
029
030    /**
031     * The underlying cause of this exception.
032     *
033     * @deprecated Use {@link #getCause()}.
034     */
035    @Deprecated
036    protected Throwable cause;
037
038    /**
039     * Constructs a new exception with {@code null} as its detail message.
040     */
041    public LogConfigurationException() {
042    }
043
044    /**
045     * Constructs a new exception with the specified detail message.
046     *
047     * @param message The detail message
048     */
049    public LogConfigurationException(final String message) {
050        super(message);
051    }
052
053    /**
054     * Constructs a new exception with the specified detail message and cause.
055     *
056     * @param message The detail message
057     * @param cause   The underlying cause
058     */
059    public LogConfigurationException(final String message, final Throwable cause) {
060        super(message, cause);
061        this.cause = cause;
062    }
063
064    /**
065     * Constructs a new exception with the specified cause and a derived detail message.
066     *
067     * @param cause The underlying cause
068     */
069    public LogConfigurationException(final Throwable cause) {
070        this(Objects.toString(cause, null), cause);
071    }
072
073}