/*

  * Created on Mar 15, 2005

  *

  * Copyright 2004 Chris Nelson

  *

  * Licensed under the Apache License, Version 2.0 (the "License");

  * you may not use this file except in compliance with the License.

  * You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0

  * Unless required by applicable law or agreed to in writing,

  * software distributed under the License is distributed on an "AS IS" BASIS,

  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

  * See the License for the specific language governing permissions and limitations under the License.

  */

 package org.trails.page;

 import org.apache.hivemind.util.Defense;

 import org.apache.tapestry.IRequestCycle;

 import org.apache.tapestry.event.PageBeginRenderListener;

 import org.apache.tapestry.event.PageEvent;

 import org.apache.tapestry.html.BasePage;

 public abstract class TrailsPage extends BasePage implements IActivatableTrailsPage, PageBeginRenderListener

 {

         public void pushCallback()

         {

         }

         public void activateTrailsPage(Object[] objects, IRequestCycle iRequestCycle)

         {

                 pushCallback();

         }

         public void pageBeginRender(PageEvent event)

         {

                 Defense.notNull(getClassDescriptor(), "classDescriptor");

         }

 }