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Java > Open Source Codes > com > caucho > naming > hessian > hessianURLContextFactory


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  *
23  * Free Software Foundation, Inc.
24  * 59 Temple Place, Suite 330
25  * Boston, MA 02111-1307 USA
26  *
27  * @author Scott Ferguson
28  */
29
30 package com.caucho.naming.hessian;
31
32 import com.caucho.hessian.client.HessianProxyFactory;
33 import com.caucho.log.Log;
34 import com.caucho.util.L10N;
35
36 import javax.naming.Context JavaDoc;
37 import javax.naming.Name JavaDoc;
38 import javax.naming.NamingException JavaDoc;
39 import javax.naming.spi.ObjectFactory JavaDoc;
40 import java.util.Hashtable JavaDoc;
41 import java.util.logging.Logger JavaDoc;
42
43 /**
44  * Create a remote object
45  */
46 public class hessianURLContextFactory implements ObjectFactory JavaDoc {
47   private static L10N L = new L10N(hessianURLContextFactory.class);
48   private static Logger JavaDoc dbg = Log.open(hessianURLContextFactory.class);
49
50   private HessianProxyFactory _proxyFactory = new HessianProxyFactory();
51   private HessianModel _model;
52
53   /**
54    * Returns the object instance for the given name.
55    */
56   public Object JavaDoc getObjectInstance(Object JavaDoc obj,
57                                   Name JavaDoc name,
58                                   Context JavaDoc parentContext,
59                                   Hashtable JavaDoc<?,?> env)
60     throws NamingException JavaDoc
61   {
62     if (obj == null) {
63       HessianModel model = _model;
64
65       if (model == null) {
66     model = new HessianModel();
67     _model = model;
68       }
69
70       return new HessianContextImpl(model, env);
71     }
72
73     String JavaDoc url = (String JavaDoc) obj;
74
75     if (url.startsWith("hessian:"))
76       url = url.substring("hessian:".length());
77
78     if (url.startsWith("//"))
79       url = "http:" + url;
80
81     try {
82       return _proxyFactory.create(url);
83     } catch (RuntimeException JavaDoc e) {
84       throw e;
85     } catch (Exception JavaDoc e) {
86       NamingException JavaDoc exn = new NamingException JavaDoc(e.toString());
87       exn.initCause(e);
88       throw exn;
89     }
90   }
91 }
92
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