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;
016    
017    import org.apache.hivemind.ApplicationRuntimeException;
018    
019    /**
020     * Subclass of {@link org.apache.hivemind.ApplicationRuntimeException} thrown when a requested
021     * page does not exist.
022     * 
023     * @author Howard M. Lewis Ship
024     * @since 4.0
025     */
026    public class PageNotFoundException extends ApplicationRuntimeException
027    {
028        private static final long serialVersionUID = -9123254357382597407L;
029        
030        private final String _pageName;
031    
032        public PageNotFoundException(String message)
033        {
034            this(null, message);
035        }
036        
037        public PageNotFoundException(String pageName, String message)
038        {
039            super(message);
040            _pageName = pageName;
041        }
042        
043        /**
044         * @since 4.1.1
045         */
046        public String getPageName()
047        {
048            return _pageName;
049        }
050    }