ControllerSupport


1   /*
2    * $Id: ControllerSupport.java 54929 2004-10-16 16:38:42Z germuska $ 
3    *
4    * Copyright 1999-2004 The Apache Software Foundation.
5    * 
6    * Licensed under the Apache License, Version 2.0 (the "License");
7    * you may not use this file except in compliance with the License.
8    * You may obtain a copy of the License at
9    * 
10   *      http://www.apache.org/licenses/LICENSE-2.0
11   * 
12   * Unless required by applicable law or agreed to in writing, software
13   * distributed under the License is distributed on an "AS IS" BASIS,
14   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15   * See the License for the specific language governing permissions and
16   * limitations under the License.
17   */
18  
19  package org.apache.struts.tiles;
20  
21  import java.io.IOException  ;
22  
23  import javax.servlet.ServletContext  ;
24  import javax.servlet.ServletException  ;
25  import javax.servlet.http.HttpServletRequest  ;
26  import javax.servlet.http.HttpServletResponse  ;
27  
28  /**
29   * Basic implementation of Controller.  Implementations can extend this class
30   * to insulate themselves from changes in the <code>Controller</code> 
31   * interface.
32   */
33  public class ControllerSupport implements Controller {
34  
35      /**
36       * Method associated to a tile and called immediately before tile is 
37       * included. This implementation does nothing.
38       * @param tileContext Current tile context.
39       * @param request Current request
40       * @param response Current response
41       * @param servletContext Current servlet context
42         * @deprecated Use execute() instead.  This will be removed after 
43         * Struts 1.2.
44       */
45      public void perform(
46          ComponentContext tileContext,
47          HttpServletRequest   request,
48          HttpServletResponse   response,
49          ServletContext   servletContext)
50          throws ServletException  , IOException   {
51      }
52  
53      /**
54       * @see org.apache.struts.tiles.Controller#execute(org.apache.struts.tiles.ComponentContext, javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse, javax.servlet.ServletContext)
55       */
56      public void execute(
57          ComponentContext tileContext,
58          HttpServletRequest   request,
59          HttpServletResponse   response,
60          ServletContext   servletContext)
61          throws Exception   {
62  
63              perform(tileContext, request, response, servletContext);
64      }
65  }
66
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