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Java > Open Source Codes > com > caucho > ejb > hessian > HessianContextFactory


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.ejb.hessian;
30
31 import com.caucho.config.ConfigException;
32 import com.caucho.naming.AbstractModel;
33 import com.caucho.naming.ContextImpl;
34 import com.caucho.util.Base64;
35 import com.caucho.util.L10N;
36
37 import javax.naming.Context JavaDoc;
38 import javax.naming.NamingException JavaDoc;
39 import javax.naming.spi.InitialContextFactory JavaDoc;
40 import java.util.Hashtable JavaDoc;
41
42 /**
43  * The root context factory.
44  */
45 public class HessianContextFactory implements InitialContextFactory JavaDoc {
46   static L10N L = new L10N(HessianContextFactory.class);
47
48   private AbstractModel _model;
49   
50   /**
51    * Returns the initial context for the current thread.
52    */
53   public Context JavaDoc getInitialContext(Hashtable JavaDoc<?,?> environment)
54     throws NamingException JavaDoc
55   {
56     String JavaDoc prefix = (String JavaDoc) environment.get(Context.PROVIDER_URL);
57
58     String JavaDoc user = (String JavaDoc) environment.get(Context.SECURITY_PRINCIPAL);
59     String JavaDoc pw = (String JavaDoc) environment.get(Context.SECURITY_CREDENTIALS);
60
61     if (! prefix.endsWith("/"))
62       prefix = prefix + '/';
63
64     if (user != null) {
65       String JavaDoc auth = Base64.encode(user + ':' + pw);
66       
67       HessianModel model = new HessianModel(prefix);
68       HessianClientContainer client;
69       try {
70     client = new HessianClientContainer(model.getURLPrefix());
71     client.setBasicAuthentication(auth);
72       } catch (ConfigException e) {
73     throw new NamingException JavaDoc(e.toString());
74       }
75
76       model.setClientContainer(client);
77       
78       return new ContextImpl(model, environment);
79     }
80
81     if (_model == null)
82       _model = new HessianModel(prefix);
83
84     return new ContextImpl(_model, environment);
85   }
86 }
87
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