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 2003-2005 (C) Exoffice Technologies Inc. All Rights Reserved.
42 *
43 * $Id: VMManagedConnectionFactory.java,v 1.2 2005/04/17 14:01:31 tanderson Exp $
44 */
45 package org.exolab.jms.net.vm;
46
47 import java.security.Principal;
48 import java.util.Iterator;
49 import java.util.List;
50
51 import org.exolab.jms.net.connector.Authenticator;
52 import org.exolab.jms.net.connector.ConnectionFactory;
53 import org.exolab.jms.net.connector.ConnectionManager;
54 import org.exolab.jms.net.connector.ConnectionRequestInfo;
55 import org.exolab.jms.net.connector.ManagedConnection;
56 import org.exolab.jms.net.connector.ManagedConnectionAcceptor;
57 import org.exolab.jms.net.connector.ManagedConnectionFactory;
58 import org.exolab.jms.net.connector.ResourceException;
59 import org.exolab.jms.net.connector.URIRequestInfo;
60 import org.exolab.jms.net.uri.URI;
61
62
63 /***
64 * A factory for {@link VMConnectionFactory}, {@link VMManagedConnection} and
65 * {@link VMManagedConnectionAcceptor} instances.
66 *
67 * @author <a href="mailto:tma@netspace.net.au">Tim Anderson</a>
68 * @version $Revision: 1.2 $ $Date: 2005/04/17 14:01:31 $
69 */
70 public class VMManagedConnectionFactory implements ManagedConnectionFactory {
71
72 /***
73 * Creates a new connection factory.
74 *
75 * @param manager the connection manager
76 * @return a new connection factory
77 * @throws ResourceException if the factory cannot be created
78 */
79 public ConnectionFactory createConnectionFactory(ConnectionManager manager)
80 throws ResourceException {
81 return new VMConnectionFactory(this, manager);
82 }
83
84 /***
85 * Creates a new connection.
86 *
87 * @param principal the security principal
88 * @param info the connection request info
89 * @return a new connection
90 * @throws ResourceException if a connection cannot be established
91 */
92 public ManagedConnection createManagedConnection(Principal principal,
93 ConnectionRequestInfo info)
94 throws ResourceException {
95 if (!(info instanceof URIRequestInfo)) {
96 throw new ResourceException("Argument 'info' must be of type "
97 + URIRequestInfo.class.getName());
98 }
99
100 return new VMManagedConnection(principal, (URIRequestInfo) info);
101 }
102
103 /***
104 * Creates an acceptor for connections.
105 *
106 * @param authenticator authenticates incoming connections
107 * @param info the connection request info
108 * @return a new connection acceptor
109 * @throws ResourceException if an acceptor cannot be created
110 */
111 public ManagedConnectionAcceptor createManagedConnectionAcceptor(
112 Authenticator authenticator, ConnectionRequestInfo info)
113 throws ResourceException {
114 if (!(info instanceof URIRequestInfo)) {
115 throw new ResourceException("Argument 'info' must be of type "
116 + URIRequestInfo.class.getName());
117 }
118 return new VMManagedConnectionAcceptor(authenticator,
119 (URIRequestInfo) info);
120 }
121
122 /***
123 * Returns a matched connection from the candidate set of connections.
124 *
125 * @param connections the candidate connections
126 * @param principal the security principal
127 * @param info the connection request info
128 * @return the first acceptable match, or <code>null</code> if none is
129 * found
130 * @throws ResourceException for any error
131 */
132 public ManagedConnection matchManagedConnections(List connections,
133 Principal principal,
134 ConnectionRequestInfo info)
135 throws ResourceException {
136 ManagedConnection result = null;
137
138 if (info instanceof URIRequestInfo) {
139 URIRequestInfo requestInfo = (URIRequestInfo) info;
140 URI uri = requestInfo.getURI();
141 Iterator iterator = connections.iterator();
142 while (iterator.hasNext()) {
143 VMManagedConnection connection =
144 (VMManagedConnection) iterator.next();
145 if (connection.hasPrincipal(principal) &&
146 uri.equals(connection.getRemoteURI())) {
147 result = connection;
148 break;
149 }
150 }
151 }
152 return result;
153 }
154
155 /***
156 * Returns a matched connection acceptor from the candidate set of
157 * acceptors.
158 *
159 * @param acceptors the candidate connection acceptors
160 * @param info the connection request info
161 * @return the first acceptable match, or <code>null</code> if none is
162 * found
163 * @throws ResourceException for any error
164 */
165 public ManagedConnectionAcceptor matchManagedConnectionAcceptors(
166 List acceptors, ConnectionRequestInfo info)
167 throws ResourceException {
168 ManagedConnectionAcceptor result = null;
169
170 if (info instanceof URIRequestInfo) {
171 URIRequestInfo requestInfo = (URIRequestInfo) info;
172 URI uri = requestInfo.getURI();
173 Iterator iterator = acceptors.iterator();
174 while (iterator.hasNext()) {
175 VMManagedConnectionAcceptor acceptor =
176 (VMManagedConnectionAcceptor) iterator.next();
177 if (uri.equals(acceptor.getURI())) {
178 result = acceptor;
179 break;
180 }
181 }
182 }
183 return result;
184 }
185
186 }