ArchitectRootContext


1   /*====================================================================
2    
3    Objectweb Browser Framework
4    Copyright (C) 2000-2004 INRIA & USTL - LIFL - GOAL
5    Contact: openccm@objectweb.org
6    
7    This library is free software; you can redistribute it and/or
8    modify it under the terms of the GNU Lesser General Public
9    License as published by the Free Software Foundation; either
10   version 2.1 of the License, or any later version.
11   
12   This library is distributed in the hope that it will be useful,
13   but WITHOUT ANY WARRANTY; without even the implied warranty of
14   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15   Lesser General Public License for more details.
16   
17   You should have received a copy of the GNU Lesser General Public
18   License along with this library; if not, write to the Free Software
19   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
20   USA
21   
22   Initial developer(s): Jerome Moroy.
23   Contributor(s): ______________________________________.
24   
25   ---------------------------------------------------------------------
26   $Id: ArchitectRootContext.java,v 1.3 2004/11/15 16:44:24 moroy Exp $
27   ====================================================================*/
28  
29  package org.objectweb.fractal.explorer.context;
30  
31  import java.util.Vector  ;
32  
33  import org.objectweb.fractal.adl.ADLException;
34  import org.objectweb.fractal.adl.FactoryFactory;
35  import org.objectweb.util.explorer.api.RootContext;
36  import org.objectweb.util.explorer.api.RootEntry;
37  import org.objectweb.util.explorer.core.common.api.ContextContainer;
38  import org.objectweb.util.explorer.core.common.lib.DefaultContextContainer;
39  import org.objectweb.util.explorer.core.root.lib.DefaultRootEntry;
40  
41  /**
42   * The context adds features to manage Fractal application such as
43   * the fractal factory. This factory allows one to create new instance
44   * of fractal definition. 
45   * 
46   * @author <a HREF="mailto:Jerome.Moroy@lifl.fr">Jerome Moroy</a>
47   * @version 0.1
48   */
49  public class ArchitectRootContext 
50    implements RootContext
51  {
52      
53      // ==================================================================
54      //
55      // No internal state.
56      //
57      // ==================================================================
58      
59      /** context container for the root node. */
60      protected static ContextContainer cc_ = null;
61      
62      // ==================================================================
63      //
64      // static block.
65      //
66      // ==================================================================
67      
68      // Initializes the ContextContainer.
69      static {
70          cc_ = new DefaultContextContainer();
71          cc_.addEntry("type-factory", new TypeContainer());
72          cc_.addEntry("component-factory", new TemplateContainer());
73      }
74      
75      // ==================================================================
76      //
77      // No Constructors.
78      //
79      // ==================================================================
80      
81      // ==================================================================
82      //
83      // No internal methods.
84      //
85      // ==================================================================
86      
87      // ==================================================================
88      //
89      // Public methods for interface Context.
90      //
91      // ==================================================================
92      
93      /**
94       * Returns an array containing the entries contained by the target context.
95       * @return A new array of entry.
96       */
97      public RootEntry[] getEntries(){
98          Vector   values = new Vector  ();
99          try {
100             values.add(new DefaultRootEntry("Fractal-factory", new FactoryWrapper(FactoryFactory.getFactory(FactoryFactory.FRACTAL_BACKEND)),0));
101         } catch (ADLException e) {
102             System.out.println("[" + getClass().getName() + "] Exception: " + e.getMessage());
103         }
104         values.add(new DefaultRootEntry("Fractal-container",cc_,1));
105         return (RootEntry[])values.toArray(new RootEntry[0]);
106     }
107     
108 }
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