1 /***
2 * Redistribution and use of this software and associated documentation
3 * ("Software"), with or without modification, are permitted provided
4 * that the following conditions are met:
5 *
6 * 1. Redistributions of source code must retain copyright
7 * statements and notices. Redistributions must also contain a
8 * copy of this document.
9 *
10 * 2. Redistributions in binary form must reproduce the
11 * above copyright notice, this list of conditions and the
12 * following disclaimer in the documentation and/or other
13 * materials provided with the distribution.
14 *
15 * 3. The name "Exolab" must not be used to endorse or promote
16 * products derived from this Software without prior written
17 * permission of Exoffice Technologies. For written permission,
18 * please contact info@exolab.org.
19 *
20 * 4. Products derived from this Software may not be called "Exolab"
21 * nor may "Exolab" appear in their names without prior written
22 * permission of Exoffice Technologies. Exolab is a registered
23 * trademark of Exoffice Technologies.
24 *
25 * 5. Due credit should be given to the Exolab Project
26 * (http://www.exolab.org/).
27 *
28 * THIS SOFTWARE IS PROVIDED BY EXOFFICE TECHNOLOGIES AND CONTRIBUTORS
29 * ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT
30 * NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
31 * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
32 * EXOFFICE TECHNOLOGIES OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
33 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
34 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
35 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
36 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
37 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
38 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
39 * OF THE POSSIBILITY OF SUCH DAMAGE.
40 *
41 * Copyright 2003-2004 (C) Exoffice Technologies Inc. All Rights Reserved.
42 *
43 * $Id: RegistryService.java,v 1.1 2004/11/26 01:51:04 tanderson Exp $
44 */
45 package org.exolab.jms.net.orb;
46
47 import java.rmi.AlreadyBoundException;
48 import java.rmi.NotBoundException;
49 import java.rmi.RemoteException;
50 import java.rmi.server.ObjID;
51
52 import org.exolab.jms.net.proxy.Proxy;
53 import org.exolab.jms.net.registry.LocalRegistry;
54
55
56 /***
57 * The <code>RegistryService</code> provides a simple interface for binding and
58 * retrieving remote object references by name.
59 *
60 * @author <a href="mailto:tma@netspace.net.au">Tim Anderson</a>
61 * @version $Revision: 1.1 $ $Date: 2004/11/26 01:51:04 $
62 */
63 class RegistryService implements LocalRegistry {
64
65 /***
66 * The registry implementation
67 */
68 private RegistryImpl _registry = new RegistryImpl();
69
70
71 /***
72 * Construct a new <code>RegistryService</code> and export the registry on
73 * its well known address
74 *
75 * @param orb the orb
76 * @throws RemoteException if the service cannot be exported
77 */
78 public RegistryService(ORB orb) throws RemoteException {
79 if (orb == null) {
80 throw new IllegalArgumentException("Argument 'orb' is null");
81 }
82 orb.exportObject(_registry, new ObjID(ObjID.REGISTRY_ID));
83 }
84
85 /***
86 * Returns a proxy for the remote object associated with the specified name
87 *
88 * @param name the name the proxy is bound under
89 * @return proxy the proxy for the remote object
90 * @throws NotBoundException if <code>name<code> is not bound
91 */
92 public Proxy lookup(String name) throws NotBoundException {
93 return _registry.lookup(name);
94 }
95
96 /***
97 * Binds the specified name to a remote object.
98 *
99 * @param name the name of the binding
100 * @param proxy the proxy for the remote object
101 * @throws AlreadyBoundException if <code>name</code> is already bound
102 */
103 public void bind(String name, Proxy proxy) throws AlreadyBoundException {
104 _registry.doBind(name, proxy);
105 }
106
107 /***
108 * Removes the binding for the specified name
109 *
110 * @param name the name of the binding
111 * @throws NotBoundException if <code>name<code> is not bound
112 */
113 public synchronized void unbind(String name) throws NotBoundException {
114 _registry.doUnbind(name);
115 }
116
117 /***
118 * Set if the registry is read-only
119 *
120 * @param readOnly if <code>true</code>, prevent remote users from modifying
121 * bindings
122 */
123 public void setReadOnly(boolean readOnly) {
124 _registry.setReadOnly(readOnly);
125 }
126
127 /***
128 * Determines if the registry is read-only
129 *
130 * @return <code>true</code> if the registry is read-only
131 */
132 public boolean getReadOnly() {
133 return _registry.getReadOnly();
134 }
135
136 }