1 /*
2 * $Id$
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
22 package org.apache.tiles.servlet.context;
23
24 import org.apache.tiles.TilesApplicationContext;
25 import org.apache.tiles.context.TilesRequestContext;
26 import org.apache.tiles.context.TilesRequestContextFactory;
27
28 import javax.servlet.http.HttpServletRequest;
29 import javax.servlet.http.HttpServletResponse;
30 import java.util.Map;
31
32 /**
33 * Creates an instance of the appropriate {@link TilesRequestContext}
34 * implementation in a servlet environment.
35 *
36 * @version $Rev$ $Date$
37 * @since 2.1.1
38 */
39 public class ServletTilesRequestContextFactory implements
40 TilesRequestContextFactory {
41
42 /** {@inheritDoc} */
43 public void init(Map<String, String> configParameters) {
44 }
45
46 /** {@inheritDoc} */
47 public TilesRequestContext createRequestContext(TilesApplicationContext context,
48 Object... requestItems) {
49 if (requestItems.length == 2
50 && requestItems[0] instanceof HttpServletRequest
51 && requestItems[1] instanceof HttpServletResponse) {
52 return new ServletTilesRequestContext(context,
53 (HttpServletRequest) requestItems[0],
54 (HttpServletResponse) requestItems[1]);
55 }
56
57 return null;
58 }
59 }