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: ChannelInvocation.java,v 1.1 2005/06/04 14:34:45 tanderson Exp $
44 */
45 package org.exolab.jms.net.multiplexer;
46
47 import java.io.IOException;
48
49 import org.apache.commons.logging.LogFactory;
50 import org.apache.commons.logging.Log;
51
52 import org.exolab.jms.net.connector.Caller;
53 import org.exolab.jms.net.connector.Invocation;
54 import org.exolab.jms.net.connector.Request;
55 import org.exolab.jms.net.connector.Response;
56 import org.exolab.jms.net.connector.InvocationHandler;
57
58
59 /***
60 * <code>ChannelInvocation</code> is used by
61 * {@link MultiplexedManagedConnection} to pass remote method invocations
62 * on a {@link Channel} to an {@link InvocationHandler}.
63 *
64 * @author <a href="mailto:tma@netspace.net.au">Tim Anderson</a>
65 * @version $Revision: 1.1 $ $Date: 2005/06/04 14:34:45 $
66 */
67 class ChannelInvocation implements Invocation {
68
69 /***
70 * The channel to use.
71 */
72 private final Channel _channel;
73
74 /***
75 * The caller peforming the invocation.
76 */
77 private final Caller _caller;
78
79 /***
80 * The logger.
81 */
82 private static final Log _log = LogFactory.getLog(ChannelInvocation.class);
83
84
85 /***
86 * Construct a new <code>ChannelInvocation</code>.
87 *
88 * @param channel the channel to use
89 * @param caller the caller performing the invocation
90 */
91 public ChannelInvocation(Channel channel, Caller caller) {
92 _channel = channel;
93 _caller = caller;
94 }
95
96 /***
97 * Reads the request from the channel.
98 *
99 * @return the request
100 * @throws IOException if the request can't be read
101 */
102 public Request getRequest() throws IOException {
103 return _channel.readRequest();
104 }
105
106 /***
107 * Returns the caller performing the invocation.
108 *
109 * @return the caller
110 */
111 public Caller getCaller() {
112 return _caller;
113 }
114
115 /***
116 * Writes the response to the channel.
117 *
118 * @param response the response to write
119 */
120 public void setResponse(Response response) {
121 try {
122 _channel.writeResponse(response);
123 } catch (Exception exception) {
124 _log.debug(exception, exception);
125 }
126 }
127
128 }