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Java > Open Source Codes > org > apache > excalibur > instrument > manager > altrmi > InstrumentManagerAltrmiConnector


1 /*
2
3  ============================================================================
4                    The Apache Software License, Version 1.1
5  ============================================================================
6  
7  Copyright (C) 1999-2003 The Apache Software Foundation. All rights reserved.
8  
9  Redistribution and use in source and binary forms, with or without modifica-
10  tion, are permitted provided that the following conditions are met:
11  
12  1. Redistributions of source code must retain the above copyright notice,
13     this list of conditions and the following disclaimer.
14  
15  2. Redistributions in binary form must reproduce the above copyright notice,
16     this list of conditions and the following disclaimer in the documentation
17     and/or other materials provided with the distribution.
18  
19  3. The end-user documentation included with the redistribution, if any, must
20     include the following acknowledgment: "This product includes software
21     developed by the Apache Software Foundation (http://www.apache.org/)."
22     Alternately, this acknowledgment may appear in the software itself, if
23     and wherever such third-party acknowledgments normally appear.
24  
25  4. The names "Jakarta", "Avalon", "Excalibur" and "Apache Software Foundation"
26     must not be used to endorse or promote products derived from this software
27     without prior written permission. For written permission, please contact
28     apache@apache.org.
29  
30  5. Products derived from this software may not be called "Apache", nor may
31     "Apache" appear in their name, without prior written permission of the
32     Apache Software Foundation.
33  
34  THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
35  INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
36  FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
37  APACHE SOFTWARE FOUNDATION OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
38  INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLU-
39  DING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
40  OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
41  ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
42  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
43  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
44  
45  This software consists of voluntary contributions made by many individuals
46  on behalf of the Apache Software Foundation. For more information on the
47  Apache Software Foundation, please see <http://www.apache.org/>.
48  
49 */
50 package org.apache.excalibur.instrument.manager.altrmi;
51
52 import org.apache.altrmi.server.PublicationDescription;
53 import org.apache.altrmi.server.impl.AbstractServer;
54 import org.apache.altrmi.server.impl.socket.CompleteSocketCustomStreamServer;
55 import org.apache.avalon.framework.activity.Startable;
56 import org.apache.avalon.framework.configuration.Configurable;
57 import org.apache.avalon.framework.configuration.Configuration;
58 import org.apache.avalon.framework.configuration.ConfigurationException;
59 import org.apache.avalon.framework.logger.AbstractLogEnabled;
60 import org.apache.excalibur.instrument.manager.DefaultInstrumentManager;
61 import org.apache.excalibur.instrument.manager.InstrumentManagerClientLocalImpl;
62 import org.apache.excalibur.instrument.manager.InstrumentManagerConnector;
63 import org.apache.excalibur.instrument.manager.interfaces.InstrumentDescriptor;
64 import org.apache.excalibur.instrument.manager.interfaces.InstrumentManagerClient;
65 import org.apache.excalibur.instrument.manager.interfaces.InstrumentSampleDescriptor;
66 import org.apache.excalibur.instrument.manager.interfaces.InstrumentableDescriptor;
67
68 /**
69  *
70  * @author <a HREF="mailto:leif@tanukisoftware.com">Leif Mortenson</a>
71  * @version CVS $Revision: 1.7 $ $Date: 2003/02/28 15:11:45 $
72  * @since 4.1
73  */
74 public class InstrumentManagerAltrmiConnector
75     extends AbstractLogEnabled
76     implements InstrumentManagerConnector, Configurable, Startable
77 {
78     /** The default port. */
79     public static final int DEFAULT_PORT = 15555;
80
81     private DefaultInstrumentManager m_manager;
82     private int m_port;
83     private AbstractServer m_server;
84
85     /*---------------------------------------------------------------
86      * Constructors
87      *-------------------------------------------------------------*/
88     /**
89      * Creates a new InstrumentManagerAltrmiConnector.
90      */
91     public InstrumentManagerAltrmiConnector()
92     {
93     }
94
95     /*---------------------------------------------------------------
96      * InstrumentManagerConnector Methods
97      *-------------------------------------------------------------*/
98     /**
99      * Set the InstrumentManager to which the Connecter will provide
100      * access. This method is called before the new connector is
101      * configured or started.
102      */
103     public void setInstrumentManager( DefaultInstrumentManager manager )
104     {
105         m_manager = manager;
106     }
107
108     /*---------------------------------------------------------------
109      * Configurable Methods
110      *-------------------------------------------------------------*/
111     public void configure( Configuration configuration )
112         throws ConfigurationException
113     {
114         m_port = configuration.getAttributeAsInteger( "port", DEFAULT_PORT );
115     }
116
117     /*---------------------------------------------------------------
118      * Startable Methods
119      *-------------------------------------------------------------*/
120     public void start()
121         throws Exception JavaDoc
122     {
123         getLogger().debug( "Starting Instrument Manager Altrmi Connector" );
124         InstrumentManagerClientLocalImpl client = new InstrumentManagerClientLocalImpl( m_manager );
125
126         // Create the socket server
127 m_server = new CompleteSocketCustomStreamServer( m_port );
128
129         Class JavaDoc[] additionalFacadeClasses = new Class JavaDoc[]
130         {
131             InstrumentableDescriptor.class,
132             InstrumentDescriptor.class,
133             InstrumentSampleDescriptor.class
134         };
135
136         m_server.publish( client, "InstrumentManagerClient",
137             new PublicationDescription( InstrumentManagerClient.class, additionalFacadeClasses ) );
138
139         m_server.start();
140         getLogger().info( "Instrument Manager Altrmi Connector listening on port: " + m_port );
141         
142         getLogger().warn("The AltRMI Connector is an \"expermental feature\" until AltRMI reaches 1.0.");
143     }
144
145     public void stop()
146         throws Exception JavaDoc
147     {
148         getLogger().debug( "Stopping Instrument Manager Altrmi Connector" );
149         m_server.stop();
150         m_server = null;
151     }
152 }
153
154
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