server/clientinterface/ClientInterfaceMain.java

//---PACKAGE DECLARATION---
package uk.ac.ukc.iscream.clientinterface;

//---IMPORTS---
import uk.ac.ukc.iscream.componentmanager.*;
import uk.ac.ukc.iscream.core.*;
import uk.ac.ukc.iscream.util.*;

/**
 * This class starts the real time clients
 * client interface.
 * This is an iscream component that sends data
 * direct to clients running on desktops to provide
 * real time information.
 *
 * @author  $Author: tdb1 $
 * @version $Id: ClientInterfaceMain.java,v 1.7 2001/01/18 23:07:00 tdb1 Exp $
 */
public class ClientInterfaceMain implements Component {

//---FINAL ATTRIBUTES---

    /**
     * The current CVS revision of this class
     */
    public static final String REVISION = "$Revision: 1.7 $";
    
//---STATIC METHODS---

//---CONSTRUCTORS---

//---PUBLIC METHODS---

    /**
     * This method starts the ClientInterface
     */
    public void start() throws ComponentStartException {
                        
        _logger.write(toString(), Logger.SYSINIT, "coming up");
            
        // configuration variables we require
        String ourName = null;
        int listenPort = 0;
        
        Configuration config = _refman.getCM().getConfiguration("ClientInterface");
        if (config == null) {
            System.err.println("CRITICAL:Unable to obtain configuration" +
                               "\n         Advise you check the i-scream log for more information.");
            _logger.write(toString(), Logger.FATAL, "ERROR - unable to obtain configuration");
            System.exit(1);
        } else {
            try {
                ourName = config.getProperty("RootFilter.realtimeInterfaceName");
                listenPort = Integer.parseInt(config.getProperty("ClientInterface.listenPort"));
            } catch (org.omg.CORBA.MARSHAL e) {
                System.err.println ("CRITICAL:Unable to obtain required configuration property" +
                                    "\n         Advise you check the i-scream log for more information.");
                _logger.write(toString(), Logger.FATAL, "ERROR - required configuration property not present");
                System.exit(1);

            }
        }
        // now we have the name of the interface we set it
        NAME = ourName;
        
        _logger.write(toString(), Logger.SYSINIT, "configured");
                
        // ClientInterfaceServant start (for inbound data)
        _logger.write(toString(), Logger.DEBUG, "starting servant for inbound data");
        ClientInterfaceServant ciServant = new ClientInterfaceServant();
        _refman.bindToOrb(ciServant, "iscream.ClientInterface." + ClientInterfaceMain.NAME);
        
        ClientListener clientListener = new ClientListener(listenPort, ciServant);
        clientListener.start();
        
        _logger.write(toString(), Logger.SYSINIT, "started");
    }

    /**
     * Overrides the {@link java.lang.Object#toString() Object.toString()}
     * method to provide clean logging (every class should have this).
     *
     * This uses the uk.ac.ukc.iscream.util.NameFormat class
     * to format the toString()
     *
     * @return the name of this class and its CVS revision
     */
    public String toString() {
        return FormatName.getName(
            NAME,
            getClass().getName(),
            REVISION);
    }

//---PRIVATE METHODS---

//---ACCESSOR/MUTATOR METHODS---

//---ATTRIBUTES---

    /**
     * This holds a reference to the
     * system logger that is being used.
     */
    private Logger _logger = ReferenceManager.getInstance().getLogger();

    /**
     * A reference to the reference manager in use
     */
    private ReferenceManager _refman = ReferenceManager.getInstance();

//---STATIC ATTRIBUTES---

    /**
     * The friendly name for this component, used by
     * all related classes.
     * This is set from the configuration.
     */
    public static String NAME;

}
Revision:	1.8
Committed:	Thu Jan 18 23:08:10 2001 UTC (23 years, 4 months ago) by tdb
Branch:	MAIN
Changes since 1.7:	+3 -3 lines
Log Message:	Changes to reflect move of Component, ComponentStartException, and the ReferenceManager from util to componentmanager.
#	Content
1	//---PACKAGE DECLARATION---
2	package uk.ac.ukc.iscream.clientinterface;
3
4	//---IMPORTS---
5	import uk.ac.ukc.iscream.componentmanager.*;
6	import uk.ac.ukc.iscream.core.*;
7	import uk.ac.ukc.iscream.util.*;
8
9	/**
10	* This class starts the real time clients
11	* client interface.
12	* This is an iscream component that sends data
13	* direct to clients running on desktops to provide
14	* real time information.
15	*
16	* @author $Author: tdb1 $
17	* @version $Id: ClientInterfaceMain.java,v 1.7 2001/01/18 23:07:00 tdb1 Exp $
18	*/
19	public class ClientInterfaceMain implements Component {
20
21	//---FINAL ATTRIBUTES---
22
23	/**
24	* The current CVS revision of this class
25	*/
26	public static final String REVISION = "$Revision: 1.7 $";
27
28	//---STATIC METHODS---
29
30	//---CONSTRUCTORS---
31
32	//---PUBLIC METHODS---
33
34	/**
35	* This method starts the ClientInterface
36	*/
37	public void start() throws ComponentStartException {
38
39	_logger.write(toString(), Logger.SYSINIT, "coming up");
40
41	// configuration variables we require
42	String ourName = null;
43	int listenPort = 0;
44
45	Configuration config = _refman.getCM().getConfiguration("ClientInterface");
46	if (config == null) {
47	System.err.println("CRITICAL:Unable to obtain configuration" +
48	"\n Advise you check the i-scream log for more information.");
49	_logger.write(toString(), Logger.FATAL, "ERROR - unable to obtain configuration");
50	System.exit(1);
51	} else {
52	try {
53	ourName = config.getProperty("RootFilter.realtimeInterfaceName");
54	listenPort = Integer.parseInt(config.getProperty("ClientInterface.listenPort"));
55	} catch (org.omg.CORBA.MARSHAL e) {
56	System.err.println ("CRITICAL:Unable to obtain required configuration property" +
57	"\n Advise you check the i-scream log for more information.");
58	_logger.write(toString(), Logger.FATAL, "ERROR - required configuration property not present");
59	System.exit(1);
60
61	}
62	}
63	// now we have the name of the interface we set it
64	NAME = ourName;
65
66	_logger.write(toString(), Logger.SYSINIT, "configured");
67
68	// ClientInterfaceServant start (for inbound data)
69	_logger.write(toString(), Logger.DEBUG, "starting servant for inbound data");
70	ClientInterfaceServant ciServant = new ClientInterfaceServant();
71	_refman.bindToOrb(ciServant, "iscream.ClientInterface." + ClientInterfaceMain.NAME);
72
73	ClientListener clientListener = new ClientListener(listenPort, ciServant);
74	clientListener.start();
75
76	_logger.write(toString(), Logger.SYSINIT, "started");
77	}
78
79	/**
80	* Overrides the {@link java.lang.Object#toString() Object.toString()}
81	* method to provide clean logging (every class should have this).
82	*
83	* This uses the uk.ac.ukc.iscream.util.NameFormat class
84	* to format the toString()
85	*
86	* @return the name of this class and its CVS revision
87	*/
88	public String toString() {
89	return FormatName.getName(
90	NAME,
91	getClass().getName(),
92	REVISION);
93	}
94
95	//---PRIVATE METHODS---
96
97	//---ACCESSOR/MUTATOR METHODS---
98
99	//---ATTRIBUTES---
100
101	/**
102	* This holds a reference to the
103	* system logger that is being used.
104	*/
105	private Logger _logger = ReferenceManager.getInstance().getLogger();
106
107	/**
108	* A reference to the reference manager in use
109	*/
110	private ReferenceManager _refman = ReferenceManager.getInstance();
111
112	//---STATIC ATTRIBUTES---
113
114	/**
115	* The friendly name for this component, used by
116	* all related classes.
117	* This is set from the configuration.
118	*/
119	public static String NAME;
120
121	}