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.StaleLinkException;
021    
022    /**
023     * Service interface for informing the user about a
024     * {@link org.apache.tapestry.StaleLinkException}.
025     * 
026     * @author Howard M. Lewis Ship
027     * @since 4.0
028     */
029    public interface StaleLinkExceptionPresenter
030    {
031    
032        /**
033         * Reports the stale link exception.
034         * 
035         * @param cycle
036         *            the current request cycle
037         * @param cause
038         *            the exception that was caught
039         */
040        void presentStaleLinkException(IRequestCycle cycle, StaleLinkException cause)
041            throws IOException;
042    }