Home » tiles-2.2.1-src » org.apache.tiles.web » startup » [javadoc | source]

    1   /*
    2    * $Id: AbstractTilesInitializerServlet.java 797540 2009-07-24 15:42:00Z apetrelli $
    3    *
    4    * Licensed to the Apache Software Foundation (ASF) under one
    5    * or more contributor license agreements.  See the NOTICE file
    6    * distributed with this work for additional information
    7    * regarding copyright ownership.  The ASF licenses this file
    8    * to you under the Apache License, Version 2.0 (the
    9    * "License"); you may not use this file except in compliance
   10    * with the License.  You may obtain a copy of the License at
   11    *
   12    * http://www.apache.org/licenses/LICENSE-2.0
   13    *
   14    * Unless required by applicable law or agreed to in writing,
   15    * software distributed under the License is distributed on an
   16    * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
   17    * KIND, either express or implied.  See the License for the
   18    * specific language governing permissions and limitations
   19    * under the License.
   20    */
   21   package org.apache.tiles.web.startup;
   22   
   23   import javax.servlet.ServletContext;
   24   import javax.servlet.ServletException;
   25   import javax.servlet.http.HttpServlet;
   26   
   27   import org.apache.tiles.servlet.context.ServletTilesApplicationContext;
   28   import org.apache.tiles.startup.TilesInitializer;
   29   import org.apache.tiles.web.util.ServletContextAdapter;
   30   
   31   /**
   32    * Abstract Initialization Servlet. Uses a {@link TilesInitializer}, created by
   33    * {@link #createTilesInitializer()} to initialize Tiles.
   34    *
   35    * @see org.apache.tiles.web.startup.TilesListener
   36    * @version $Rev: 797540 $ $Date: 2009-07-24 17:42:00 +0200 (ven, 24 lug 2009) $
   37    * @since 2.2.0
   38    */
   39   public abstract class AbstractTilesInitializerServlet extends HttpServlet {
   40   
   41       /**
   42        * The private listener instance, that is used to initialize Tiles
   43        * container.
   44        */
   45       private TilesInitializer initializer;
   46   
   47       /** {@inheritDoc} */
   48       @Override
   49       public void destroy() {
   50           initializer.destroy();
   51       }
   52   
   53       /** {@inheritDoc} */
   54       @Override
   55       public void init() throws ServletException {
   56           initializer = createTilesInitializer();
   57           ServletContext adaptedContext = new ServletContextAdapter(
   58                   getServletConfig());
   59           ServletTilesApplicationContext preliminaryContext = new ServletTilesApplicationContext(
   60                   adaptedContext);
   61           initializer.initialize(preliminaryContext);
   62       }
   63   
   64       /**
   65        * Creates a new instance of {@link TilesInitializer}. Implement it to use
   66        * your custom initializer.
   67        *
   68        * @return The Tiles servlet-based initializer.
   69        * @since 2.2.0
   70        */
   71       protected abstract TilesInitializer createTilesInitializer();
   72   }

Home » tiles-2.2.1-src » org.apache.tiles.web » startup » [javadoc | source]