01: /**
02: * JOnAS: Java(TM) Open Application Server
03: * Copyright (C) 2004 Bull S.A.
04: * Contact: jonas-team@objectweb.org
05: *
06: * This library is free software; you can redistribute it and/or
07: * modify it under the terms of the GNU Lesser General Public
08: * License as published by the Free Software Foundation; either
09: * version 2.1 of the License, or any later version.
10: *
11: * This library is distributed in the hope that it will be useful,
12: * but WITHOUT ANY WARRANTY; without even the implied warranty of
13: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14: * Lesser General Public License for more details.
15: *
16: * You should have received a copy of the GNU Lesser General Public
17: * License along with this library; if not, write to the Free Software
18: * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
19: * USA
20: *
21: * --------------------------------------------------------------------------
22: * $Id: ORBHelper.java 5928 2004-12-13 16:27:33Z benoitf $
23: * --------------------------------------------------------------------------
24: */package org.objectweb.jonas.security.iiop;
25:
26: import javax.naming.Context;
27: import javax.naming.InitialContext;
28: import javax.naming.NamingException;
29: import javax.rmi.PortableRemoteObject;
30:
31: import org.omg.CORBA.ORB;
32:
33: /**
34: * Gets the ORB (java:comp/ORB)
35: * @author Florent Benoit
36: */
37: public class ORBHelper {
38:
39: /**
40: * ORB to use
41: */
42: private static ORB orb = null;
43:
44: /**
45: * Utility class. No constructor.
46: */
47: private ORBHelper() {
48:
49: }
50:
51: /**
52: * @return an ORB
53: * @throws Csiv2InterceptorException if the ORB cannot be retrieved
54: */
55: public static ORB getOrb() throws Csiv2InterceptorException {
56: if (orb != null) {
57: return orb;
58: }
59:
60: // Get orb for building Any
61: Context ictx = null;
62: try {
63: ictx = new InitialContext();
64: } catch (NamingException ne) {
65: throw new Csiv2InterceptorException(
66: "Cannot instatiate InitialContext", ne);
67: }
68:
69: try {
70: orb = (ORB) PortableRemoteObject.narrow(ictx
71: .lookup("java:comp/ORB"), ORB.class);
72: } catch (NamingException ne) {
73: throw new Csiv2InterceptorException(
74: "Cannot lookup java:comp/ORB", ne);
75: }
76: return orb;
77: }
78:
79: }
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