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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: ConnectionFactory.java,v 1.3 2005/05/03 13:45:58 tanderson Exp $
44   */
45  package org.exolab.jms.net.connector;
46  
47  import java.security.Principal;
48  import java.util.Map;
49  
50  import org.exolab.jms.net.uri.URI;
51  
52  
53  /***
54   * A factory for establishing connections, and accepting them.
55   *
56   * @author <a href="mailto:tma@netspace.net.au">Tim Anderson</a>
57   * @version $Revision: 1.3 $ $Date: 2005/05/03 13:45:58 $
58   */
59  public interface ConnectionFactory {
60  
61      /***
62       * Determines if this factory supports connections to the specified URI.
63       *
64       * @param uri the connection address
65       * @return <code>true</code> if this factory supports the URI;
66       *         <code>false</code> otherwise
67       */
68      boolean canConnect(URI uri);
69  
70      /***
71       * Returns a connection to the specified URI, using the default connection
72       * properties.
73       *
74       * @param principal the security principal. May be <code>null</code>
75       * @param uri       the connection address
76       * @return a connection to <code>uri</code>
77       * @throws ResourceException if a connection cannot be established
78       */
79      Connection getConnection(Principal principal, URI uri)
80              throws ResourceException;
81  
82      /***
83       * Returns a connection to the specified URI, using the specified connection
84       * properties.
85       *
86       * @param principal  the security principal. May be <code>null</code>
87       * @param uri        the connection address
88       * @param properties connection properties. If <code>null</code>, use the
89       *                   default connection properties
90       * @return a connection to <code>uri</code>
91       * @throws ResourceException if a connection cannot be established
92       */
93      Connection getConnection(Principal principal, URI uri,
94                               Map properties)
95              throws ResourceException;
96  
97      /***
98       * Determines if this factory supports listening for new connections on the
99       * specified URI.
100      *
101      * @param uri the connection address
102      * @return <code>true</code> if this factory supports the URI;
103      *         <code>false</code> otherwise
104      */
105     boolean canAccept(URI uri);
106 
107     /***
108      * Listen for new connections on the specified URI, using the default
109      * connection acceptor properties.
110      *
111      * @param uri the connection address
112      * @throws ResourceException if connections can't be accepted on the
113      *                           specified URI
114      */
115     void accept(URI uri) throws ResourceException;
116 
117     /***
118      * Listen for new connections on the specified URI, using the specified
119      * acceptor properties
120      *
121      * @param uri        the connection address
122      * @param properties acceptor properties. May be <code>null</code>
123      * @throws ResourceException if connections can't be accepted on the
124      *                           specified URI
125      */
126     void accept(URI uri, Map properties) throws ResourceException;
127 
128 }