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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.tiles;
23  
24  import java.io.IOException;
25  
26  import jakarta.servlet.ServletContext;
27  import jakarta.servlet.ServletException;
28  import jakarta.servlet.http.HttpServletRequest;
29  import jakarta.servlet.http.HttpServletResponse;
30  
31  import org.apache.struts.action.Action;
32  
33  /**
34   * Struts wrapper implementation of Controller.  This implementation wraps an
35   * <code>Action</code> in a <code>Controller</code>.
36   */
37  public class ActionController implements Controller {
38      private static final long serialVersionUID = -618534639125910093L;
39  
40      /**
41       * Struts action wrapped.
42       */
43      private Action action = null;
44  
45      /**
46       * Constructor.
47       *
48       * @param action Action to be wrapped.
49       */
50      public ActionController(Action action) {
51          this.action = action;
52      }
53  
54      /**
55       * Method associated to a tile and called immediately before tile is
56       * included.  This implementation calls a Struts Action. No servlet is
57       * set by this method.
58       *
59       * @param tileContext    Current tile context.
60       * @param request        Current request.
61       * @param response       Current response.
62       * @param servletContext Current servlet context.
63       * @deprecated Use execute() instead.  This will be removed after
64       *             Struts 1.2.
65       */
66      @Deprecated
67      public void perform(
68              ComponentContext tileContext,
69              HttpServletRequest request,
70              HttpServletResponse response,
71              ServletContext servletContext)
72              throws ServletException, IOException {
73  
74          try {
75              action.execute(null, null, request, response);
76  
77          } catch (Exception e) {
78              throw new ServletException(e);
79          }
80      }
81  
82      /**
83       * @see org.apache.struts.tiles.Controller#execute(org.apache.struts.tiles.ComponentContext, jakarta.servlet.http.HttpServletRequest, jakarta.servlet.http.HttpServletResponse, jakarta.servlet.ServletContext)
84       */
85      public void execute(
86              ComponentContext tileContext,
87              HttpServletRequest request,
88              HttpServletResponse response,
89              ServletContext servletContext)
90              throws Exception {
91  
92          this.action.execute(null, null, request, response);
93  
94      }
95  }