BasicObjectRefFactory


1   /**
2    * Copyright (C) 2002,2005 - INRIA (www.inria.fr)
3    *
4    * CAROL: Common Architecture for RMI ObjectWeb Layer
5    *
6    * This library is developed inside the ObjectWeb Consortium,
7    * http://www.objectweb.org
8    *
9    * This library is free software; you can redistribute it and/or
10   * modify it under the terms of the GNU Lesser General Public
11   * License as published by the Free Software Foundation; either
12   * version 2.1 of the License, or any later version.
13   *
14   * This library is distributed in the hope that it will be useful,
15   * but WITHOUT ANY WARRANTY; without even the implied warranty of
16   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
17   * Lesser General Public License for more details.
18   *
19   * You should have received a copy of the GNU Lesser General Public
20   * License along with this library; if not, write to the Free Software
21   * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
22   * USA
23   *
24   * --------------------------------------------------------------------------
25   * $Id: BasicObjectRefFactory.java,v 1.4 2005/02/11 11:02:51 benoitf Exp $
26   * --------------------------------------------------------------------------
27   */
28  package org.objectweb.carol.jtests.conform.basic.server;
29  
30  import java.util.Hashtable  ;
31  
32  import javax.naming.Context  ;
33  import javax.naming.Name  ;
34  import javax.naming.RefAddr  ;
35  import javax.naming.Reference  ;
36  import javax.naming.spi.ObjectFactory  ;
37  
38  /**
39   * Class <code>BasicObjectRefFactory</code> is a Basic referenceable factory
40   * (and serializable) class for testing
41   * @author Guillaume Riviere (Guillaume.Riviere@inrialpes.fr)
42   */
43  public class BasicObjectRefFactory implements ObjectFactory   {
44  
45      /**
46       * Default constructor
47       */
48      public BasicObjectRefFactory() {
49      }
50  
51      /**
52       * Creates an object using the location or reference information specified.
53       * @param obj The possibly null object containing location or reference
54       *        information that can be used in creating an object.
55       * @param name The name of this object relative to <code>nameCtx</code>,
56       *        or null if no name is specified.
57       * @param nameCtx The context relative to which the <code>name</code>
58       *        parameter is specified, or null if <code>name</code> is relative
59       *        to the default initial context.
60       * @param environment The possibly null environment that is used in creating
61       *        the object.
62       * @return The object created; null if an object cannot be created.
63       * @exception Exception if this object factory encountered an exception
64       *            while attempting to create an object, and no other object
65       *            factories are to be tried.
66       */
67      public Object   getObjectInstance(Object   obj, Name   name, Context   nameCtx, Hashtable   environment) throws Exception   {
68          if (obj instanceof Reference  ) {
69              Reference   ref = (Reference  ) obj;
70              if (ref.getClassName().equals(BasicObjectRef.class.getName())) {
71                  RefAddr   addr = ref.get("content");
72                  if (addr != null) {
73                      return new BasicObjectRef((String  ) addr.getContent());
74                  }
75              }
76          }
77          return null;
78      }
79  
80  }
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