PresentationNodeExecutor


1   /*
2    * Copyright (c) 2003, Inversoft
3    *
4    * This software is distribuable under the GNU Lesser General Public License.
5    * For more information visit gnu.org.
6    */
7   package com.inversoft.verge.mvc.controller.actionflow;
8   
9   
10  import java.util.Map  ;
11  
12  import com.inversoft.verge.mvc.controller.actionflow.config.Namespace;
13  import com.inversoft.verge.mvc.controller.actionflow.config.Node;
14  
15  
16  /**
17   * This class is the node executor for presentation Nodes. The
18   * presentation nodes do not contain any business logic so, 
19   * this currently is a no-op.
20   *
21   * @author  Brian Pontarelli
22   * @since   2.0
23   * @version 2.0
24   */
25  public class PresentationNodeExecutor implements NodeExecutor {
26  
27      /**
28       * Constructs a new <code>PresentationNodeExecutor</code>.
29       */
30      public PresentationNodeExecutor() {
31      }
32  
33  
34      /**
35       * Presentation nodes are now no-ops.
36       *
37       * @param   namespace The Namespace the Node is located in
38       * @param   config The ActionHandlerNode that describes what to execute
39       * @param   state The current state of the ActionFlow itself. This is where
40       *          the HTTP Objects are stored.
41       * @param   extraParams A Map of extra params that have been passed into the
42       *          ActionFlow system.
43       * @return  Always null
44       * @throws  Exception Throws a NodeExecutorException if the forward throws a
45       *          ServletException or IOException
46       */
47      public Object   execute(Namespace namespace, Node config, ActionFlowAction state,
48              Map   extraParams) 
49      throws Exception   {
50          // With the new MVC, this is a no-op now
51          return null;
52      }
53  }
54  
55

A to Z: JavaDoc & Examples Daily Java News & Articles Open Source Projects Open Source Codes Free Computer Books Remove Frame

Popular Tags