001/*
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements.  See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership.  The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License.  You may obtain a copy of the License at
009 *
010 *     http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing,
013 * software distributed under the License is distributed on an
014 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
015 * KIND, either express or implied.  See the License for the
016 * specific language governing permissions and limitations
017 * under the License.
018 */
019package org.apache.shiro.config;
020
021/**
022 * Exception thrown when a reference to an object is made, but that object cannot be found.  This is most likely
023 * thrown due to a configuration line that references an object that hasn't been defined yet.
024 *
025 * @since 0.9 RC2
026 */
027public class UnresolveableReferenceException extends ConfigurationException {
028
029    /**
030     * Creates a new UnresolveableReferenceException.
031     */
032    public UnresolveableReferenceException() {
033        super();
034    }
035
036    /**
037     * Constructs a new UnresolveableReferenceException.
038     *
039     * @param message the reason for the exception
040     */
041    public UnresolveableReferenceException(String message) {
042        super(message);
043    }
044
045    /**
046     * Constructs a new UnresolveableReferenceException.
047     *
048     * @param cause the underlying Throwable that caused this exception to be thrown.
049     */
050    public UnresolveableReferenceException(Throwable cause) {
051        super(cause);
052    }
053
054    /**
055     * Constructs a new UnresolveableReferenceException.
056     *
057     * @param message the reason for the exception
058     * @param cause   the underlying Throwable that caused this exception to be thrown.
059     */
060    public UnresolveableReferenceException(String message, Throwable cause) {
061        super(message, cause);
062    }
063}