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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.struts.tiles2.preparer;
23  
24  import org.apache.struts.action.Action;
25  import org.apache.tiles.TilesException;
26  import org.apache.tiles.preparer.ViewPreparer;
27  import org.apache.tiles.preparer.factory.BasicPreparerFactory;
28  import org.apache.tiles.request.reflect.ClassUtil;
29  
30  /**
31   * Factory used to instantiate preparers in a Struts 1 / Tiles 2 environment.
32   *
33   * @version $Rev$ $Date$
34   */
35  public class StrutsPreparerFactory extends BasicPreparerFactory {
36  
37      /** {@inheritDoc} */
38      protected ViewPreparer createPreparer(String name) throws TilesException {
39          ViewPreparer retValue;
40  
41          if (name.startsWith("/")) {
42              retValue = new UrlPreparer(name);
43          } else {
44              Object instance = ClassUtil.instantiate(name, true);
45              if (instance instanceof Action) {
46                  retValue = new ActionPreparer((Action) instance);
47              } else {
48                  retValue = super.createPreparer(name);
49              }
50          }
51  
52          return retValue;
53      }
54  
55  }