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.event;
016    
017    import java.util.EventListener;
018    
019    /**
020     * Listener interface notified when a page is attached to the current request. Notifications occur
021     * after persistent page properties have been restored, but before the page is activated (if it is
022     * activated). This allows the properties of the page to be updated to reflect the current user
023     * session.
024     * 
025     * @see org.apache.tapestry.event.PageDetachListener
026     * @author Howard M. Lewis Ship
027     * @since 4.0
028     */
029    public interface PageAttachListener extends EventListener
030    {
031        public void pageAttached(PageEvent event);
032    }