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 2004-2005 (C) Exoffice Technologies Inc. All Rights Reserved.
42 *
43 * $Id: SocketManagedConnectionFactory.java,v 1.6 2005/12/01 13:44:38 tanderson Exp $
44 */
45 package org.exolab.jms.net.socket;
46
47 import java.security.Principal;
48 import java.util.Iterator;
49 import java.util.List;
50
51 import org.exolab.jms.net.connector.ConnectionRequestInfo;
52 import org.exolab.jms.net.connector.ManagedConnection;
53 import org.exolab.jms.net.connector.ManagedConnectionAcceptor;
54 import org.exolab.jms.net.connector.ManagedConnectionFactory;
55 import org.exolab.jms.net.connector.ResourceException;
56 import org.exolab.jms.net.uri.URI;
57 import org.exolab.jms.net.uri.URIHelper;
58
59
60 /***
61 * A factory for concrete {@link SocketManagedConnection} and {@link
62 * SocketManagedConnectionAcceptor} instances.
63 *
64 * @author <a href="mailto:tma@netspace.net.au">Tim Anderson</a>
65 * @version $Revision: 1.6 $ $Date: 2005/12/01 13:44:38 $
66 */
67 public abstract class SocketManagedConnectionFactory
68 implements ManagedConnectionFactory {
69
70 /***
71 * Returns a matched connection from the candidate set of connections.
72 *
73 * @param connections the candidate connections
74 * @param principal the security principal
75 * @param info the connection request info
76 * @return the first acceptable match, or <code>null</code> if none is
77 * found
78 * @throws ResourceException for any error
79 */
80 public ManagedConnection matchManagedConnections(List connections,
81 Principal principal,
82 ConnectionRequestInfo info)
83 throws ResourceException {
84 ManagedConnection result = null;
85
86 if (info instanceof SocketRequestInfo) {
87 SocketRequestInfo requestInfo = (SocketRequestInfo) info;
88 URI uri = URIHelper.convertHostToAddress(requestInfo.getURI());
89 URI altURI = requestInfo.getAlternativeURI();
90 if (altURI != null) {
91 altURI = URIHelper.convertHostToAddress(altURI);
92 }
93
94 Iterator iterator = connections.iterator();
95 while (iterator.hasNext()) {
96 SocketManagedConnection connection =
97 (SocketManagedConnection) iterator.next();
98 if (connection.hasPrincipal(principal)) {
99 final URI remote = connection.getRemoteURI();
100 final URI local = connection.getLocalURI();
101 final URI remoteAlt = connection.getAlternativeURI();
102 if ((remote.equals(uri) || local.equals(uri)
103 || remote.equals(altURI) || local.equals(altURI))
104 || (remoteAlt != null && (remoteAlt.equals(uri)
105 || remoteAlt.equals(altURI)))) {
106 result = connection;
107 break;
108 }
109 }
110 }
111 }
112 return result;
113 }
114
115 /***
116 * Returns a matched connection acceptor from the candidate set of
117 * acceptors.
118 *
119 * @param acceptors the candidate connection acceptors
120 * @param info the connection request info
121 * @return the first acceptable match, or <code>null</code> if none is
122 * found
123 * @throws ResourceException for any error
124 */
125 public ManagedConnectionAcceptor matchManagedConnectionAcceptors(
126 List acceptors, ConnectionRequestInfo info)
127 throws ResourceException {
128 ManagedConnectionAcceptor result = null;
129
130 if (info instanceof SocketRequestInfo) {
131 Iterator iterator = acceptors.iterator();
132 while (iterator.hasNext()) {
133 SocketManagedConnectionAcceptor acceptor =
134 (SocketManagedConnectionAcceptor) iterator.next();
135 if (info.equals(acceptor.getRequestInfo())) {
136 result = acceptor;
137 break;
138 }
139 }
140 }
141 return result;
142 }
143 }