001    // Copyright 2005 The Apache Software Foundation
002    //
003    // Licensed under the Apache License, Version 2.0 (the "License");
004    // you may not use this file except in compliance with the License.
005    // You may obtain a copy of the License at
006    //
007    //     http://www.apache.org/licenses/LICENSE-2.0
008    //
009    // Unless required by applicable law or agreed to in writing, software
010    // distributed under the License is distributed on an "AS IS" BASIS,
011    // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
012    // See the License for the specific language governing permissions and
013    // limitations under the License.
014    
015    package org.apache.tapestry.error;
016    
017    import java.io.IOException;
018    
019    import org.apache.tapestry.IRequestCycle;
020    import org.apache.tapestry.StaleSessionException;
021    
022    /**
023     * Interface for a service used to report stale session exceptions.
024     * 
025     * @author Howard M. Lewis Ship
026     * @since 4.0
027     */
028    public interface StaleSessionExceptionPresenter
029    {
030    
031        /**
032         * Reports the stale session exception.
033         * 
034         * @param cycle
035         *            the current request cycle
036         * @param cause
037         *            the exception that was caught
038         */
039        void presentStaleSessionException(IRequestCycle cycle, StaleSessionException cause)
040            throws IOException;
041    }