1 /*
2 * $Id: AbstractTilesInitializerServlet.java 1310865 2012-04-07 21:01:22Z nlebas $
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.http.HttpServlet;
25
26 import org.apache.tiles.request.servlet.ServletApplicationContext;
27 import org.apache.tiles.startup.TilesInitializer;
28 import org.apache.tiles.web.util.ServletContextAdapter;
29
30 /**
31 * Abstract Initialization Servlet. Uses a {@link TilesInitializer}, created by
32 * {@link #createTilesInitializer()} to initialize Tiles.
33 *
34 * @deprecated use {@link AbstractTilesListener} instead.
35 * @see org.apache.tiles.web.startup.TilesListener
36 * @version $Rev: 1310865 $ $Date: 2012-04-08 07:01:22 +1000 (Sun, 08 Apr 2012) $
37 * @since 2.2.0
38 */
39 @Deprecated
40 public abstract class AbstractTilesInitializerServlet extends HttpServlet {
41
42 /**
43 * The private listener instance, that is used to initialize Tiles
44 * container.
45 */
46 private TilesInitializer initializer;
47
48 /** {@inheritDoc} */
49 @Override
50 public void destroy() {
51 initializer.destroy();
52 }
53
54 /** {@inheritDoc} */
55 @Override
56 public void init() {
57 initializer = createTilesInitializer();
58 ServletContext adaptedContext = new ServletContextAdapter(
59 getServletConfig());
60 ServletApplicationContext preliminaryContext = new ServletApplicationContext(
61 adaptedContext);
62 initializer.initialize(preliminaryContext);
63 }
64
65 /**
66 * Creates a new instance of {@link TilesInitializer}. Implement it to use
67 * your custom initializer.
68 *
69 * @return The Tiles servlet-based initializer.
70 * @since 2.2.0
71 */
72 protected abstract TilesInitializer createTilesInitializer();
73 }