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     */
019    package org.apache.shiro.session;
020    
021    /**
022     * Exception thrown when attempting to interact with the system under an established session
023     * when that session is considered invalid.  The meaning of the term 'invalid' is based on
024     * application behavior.  For example, a Session is considered invalid if it has been explicitly
025     * stopped (e.g. when a user logs-out or when explicitly
026     * {@link Session#stop() stopped} programmatically.  A Session can also be
027     * considered invalid if it has expired.
028     *
029     * @author Les Hazlewood
030     * @see StoppedSessionException
031     * @see ExpiredSessionException
032     * @see UnknownSessionException
033     * @since 0.1
034     */
035    public class InvalidSessionException extends SessionException {
036    
037        /**
038         * Creates a new InvalidSessionException.
039         */
040        public InvalidSessionException() {
041            super();
042        }
043    
044        /**
045         * Constructs a new InvalidSessionException.
046         *
047         * @param message the reason for the exception
048         */
049        public InvalidSessionException(String message) {
050            super(message);
051        }
052    
053        /**
054         * Constructs a new InvalidSessionException.
055         *
056         * @param cause the underlying Throwable that caused this exception to be thrown.
057         */
058        public InvalidSessionException(Throwable cause) {
059            super(cause);
060        }
061    
062        /**
063         * Constructs a new InvalidSessionException.
064         *
065         * @param message the reason for the exception
066         * @param cause   the underlying Throwable that caused this exception to be thrown.
067         */
068        public InvalidSessionException(String message, Throwable cause) {
069            super(message, cause);
070        }
071    
072    }