MVCServletHandler


1   /**
2    *
3    * Magnolia and its source-code is licensed under the LGPL.
4    * You may copy, adapt, and redistribute this file for commercial or non-commercial use.
5    * When copying, adapting, or redistributing this document in keeping with the guidelines above,
6    * you are required to provide proper attribution to obinary.
7    * If you reproduce or distribute the document without making any substantive modifications to its content,
8    * please use the following attribution line:
9    *
10   * Copyright 1993-2006 obinary Ltd. (http://www.obinary.com) All rights reserved.
11   *
12   */
13  package info.magnolia.cms.servlets;
14  
15  import java.io.IOException  ;
16  
17  
18  /**
19   * This Handler is used in the MVCServlet
20   * @author Philipp Bracher
21   * @version $Id: MVCServletHandler.java 6341 2006-09-12 09:18:27Z philipp $
22   */
23  public interface MVCServletHandler {
24  
25      String   VIEW_NOTHING = "nothing"; //$NON-NLS-1$
26  
27      /**
28       * Depending on the request it is generating a logical command name
29       * @return name of the command
30       */
31      String   getCommand();
32  
33      /**
34       * Call the method through reflection
35       * @param command
36       * @return the name of the view to show (used in renderHtml)
37       */
38      String   execute(String   command);
39  
40      /**
41       * Render the tree depending on the view name.
42       * @param view
43       * @return
44       * @throws IOException
45       */
46      void renderHtml(String   view) throws IOException  ;
47  
48      /**
49       * The name of the handler
50       */
51      String   getName();
52  
53      /**
54       * Called after instantiating
55       */
56      void init() throws Exception  ;
57  }

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