BurlapModel


1   /*
2    * Copyright (c) 1998-2006 Caucho Technology -- all rights reserved
3    *
4    * This file is part of Resin(R) Open Source
5    *
6    * Each copy or derived work must preserve the copyright notice and this
7    * notice unmodified.
8    *
9    * Resin Open Source is free software; you can redistribute it and/or modify
10   * it under the terms of the GNU General Public License as published by
11   * the Free Software Foundation; either version 2 of the License, or
12   * (at your option) any later version.
13   *
14   * Resin Open Source 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, or any warranty
17   * of NON-INFRINGEMENT.  See the GNU General Public License for more
18   * details.
19   *
20   * You should have received a copy of the GNU General Public License
21   * along with Resin Open Source; if not, write to the
22   *   Free SoftwareFoundation, Inc.
23   *   59 Temple Place, Suite 330
24   *   Boston, MA 02111-1307  USA
25   *
26   * @author Scott Ferguson
27   */
28  
29  package com.caucho.naming.burlap;
30  
31  import com.caucho.burlap.client.BurlapProxyFactory;
32  import com.caucho.naming.AbstractModel;
33  
34  import javax.naming.NamingException  ;
35  import java.util.ArrayList  ;
36  import java.util.List  ;
37  
38  /**
39   * Memory based model for JNDI.
40   */
41  public class BurlapModel extends AbstractModel {
42    private BurlapProxyFactory _proxyFactory = new BurlapProxyFactory();
43    
44    /**
45     * Creates a new instance of the memory model.
46     */
47    public BurlapModel()
48    {
49    }
50  
51    /**
52     * Creates a new instance of MemoryModel.
53     */
54    protected AbstractModel create()
55    {
56      return new BurlapModel();
57    }
58  
59    /**
60     * Returns the object from looking up a single link.
61     *
62     * @param name the name segment.
63     *
64     * @return the object stored in the map.
65     */
66    public Object   lookup(String   name)
67      throws NamingException  
68    {
69      if (name == null)
70        return null;
71      
72      if (name.startsWith("burlap:"))
73        name = name.substring("burlap:".length());
74      
75      if (name.startsWith("//"))
76        name = "http:" + name;
77  
78      try {
79        return _proxyFactory.create(name);
80      } catch (RuntimeException   e) {
81        throw e;
82      } catch (Exception   e) {
83        NamingException   exn = new NamingException  (e.toString());
84        exn.initCause(e);
85        throw exn;
86      }
87    }
88  
89    /**
90     * Lists the child names.
91     */
92    public List   list()
93    {
94      return new ArrayList  ();
95    }
96  }
97
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