server/clientinterface/CorbaClientListenerServant.java

/* 
 * i-scream central monitoring system
 * http://www.i-scream.org
 * Copyright (C) 2000-2002 i-scream
 * 
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */

//---PACKAGE DECLARATION---
package uk.org.iscream.cms.server.clientinterface;

//---IMPORTS---
import uk.org.iscream.cms.server.core.*;
import uk.org.iscream.cms.util.*;
import uk.org.iscream.cms.server.componentmanager.*;

/**
 * This class, a servant, listens for incoming connections from CORBA based
 * clients. Once it receives a connection it creates and assigns a CorbaControlHandler
 * object to it. The CorbaControlHandler will then handle all requests on behalf of the
 * client, and will send the client data.
 *
 * @author  $Author: tdb $
 * @version $Id: CorbaClientListenerServant.java,v 1.13 2003/05/05 22:05:06 tdb Exp $
 */
class CorbaClientListenerServant extends CorbaClientListenerPOA {

//---FINAL ATTRIBUTES---

    /**
     * The current CVS revision of this class
     */
    public final String REVISION = "$Revision: 1.13 $";
    
//---STATIC METHODS---

//---CONSTRUCTORS---

    /**
     * Creates a new CorbaClientListenerServant.
     *
     * @param packetSorter a reference to the PacketSorter object being used
     */
    public CorbaClientListenerServant(PacketSorter packetSorter) {
        _packetSorter = packetSorter;
        _logger.write(toString(), Logger.SYSINIT, "created");
    }
    
//---PUBLIC METHODS---

    /**
     * Allows a CORBA client to connect to the server.
     *
     * @param client a reference to the "servant" part of the connecting client.
     * @param name a name to identify the client.
     * @return a CorbaControlHandler reference.
     */
    public CorbaControlHandler connect(Client client, String name) {
        CorbaControlHandlerServant cchServant = new CorbaControlHandlerServant(_packetSorter, client, name);
        org.omg.CORBA.Object objRef;
        try {
            objRef = _refman.getRootPOA().servant_to_reference(cchServant);
        } catch (Exception e) {
            objRef = null;
            _logger.write(toString(), Logger.ERROR, "Error creating CorbaControlHandler: "+e);
        }
        CorbaControlHandler corbaHandler = CorbaControlHandlerHelper.narrow(objRef);
        return corbaHandler;
    }
    
    /**
     * Overrides the {@link java.lang.Object#toString() Object.toString()}
     * method to provide clean logging (every class should have this).
     *
     * This uses the uk.org.iscream.cms.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 is the friendly identifier of the
     * component this class is running in.
     * eg, a Filter may be called "filter1",
     * If this class does not have an owning
     * component,  a name from the configuration
     * can be placed here.  This name could also
     * be changed to null for utility classes.
     */
    private String _name = ClientInterfaceMain.NAME;

    /**
     * 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();
    
    /**
     * A reference to the PacketSorter.
     */
    private PacketSorter _packetSorter;
    
//---STATIC ATTRIBUTES---

}
Revision:	1.14
Committed:	Sun Aug 1 10:40:48 2004 UTC (19 years, 9 months ago) by tdb
Branch:	MAIN
CVS Tags:	HEAD
Changes since 1.13:	+3 -3 lines
Log Message:	Catch a lot of old URL's and update them. Also remove a couple of old files that aren't used.
#	User	Rev	Content
1	tdb	1.10	/*
2			* i-scream central monitoring system
3	tdb	1.14	* http://www.i-scream.org
4	tdb	1.10	* Copyright (C) 2000-2002 i-scream
5			*
6			* This program is free software; you can redistribute it and/or
7			* modify it under the terms of the GNU General Public License
8			* as published by the Free Software Foundation; either version 2
9			* of the License, or (at your option) any later version.
10			*
11			* This program is distributed in the hope that it will be useful,
12			* but WITHOUT ANY WARRANTY; without even the implied warranty of
13			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14			* GNU General Public License for more details.
15			*
16			* You should have received a copy of the GNU General Public License
17			* along with this program; if not, write to the Free Software
18			* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
19			*/
20
21	tdb	1.1	//---PACKAGE DECLARATION---
22	tdb	1.9	package uk.org.iscream.cms.server.clientinterface;
23	tdb	1.1
24			//---IMPORTS---
25	tdb	1.9	import uk.org.iscream.cms.server.core.*;
26	tdb	1.12	import uk.org.iscream.cms.util.*;
27	tdb	1.9	import uk.org.iscream.cms.server.componentmanager.*;
28	tdb	1.1
29			/**
30			* This class, a servant, listens for incoming connections from CORBA based
31	tdb	1.4	* clients. Once it receives a connection it creates and assigns a CorbaControlHandler
32			* object to it. The CorbaControlHandler will then handle all requests on behalf of the
33	tdb	1.1	* client, and will send the client data.
34			*
35	tdb	1.10	* @author $Author: tdb $
36	tdb	1.14	* @version $Id: CorbaClientListenerServant.java,v 1.13 2003/05/05 22:05:06 tdb Exp $
37	tdb	1.1	*/
38			class CorbaClientListenerServant extends CorbaClientListenerPOA {
39
40			//---FINAL ATTRIBUTES---
41
42			/**
43			* The current CVS revision of this class
44			*/
45	tdb	1.14	public final String REVISION = "$Revision: 1.13 $";
46	tdb	1.1
47			//---STATIC METHODS---
48
49			//---CONSTRUCTORS---
50
51			/**
52			* Creates a new CorbaClientListenerServant.
53			*
54			* @param packetSorter a reference to the PacketSorter object being used
55			*/
56	tdb	1.7	public CorbaClientListenerServant(PacketSorter packetSorter) {
57	tdb	1.1	_packetSorter = packetSorter;
58			_logger.write(toString(), Logger.SYSINIT, "created");
59			}
60
61			//---PUBLIC METHODS---
62
63			/**
64			* Allows a CORBA client to connect to the server.
65			*
66			* @param client a reference to the "servant" part of the connecting client.
67	tdb	1.6	* @param name a name to identify the client.
68	tdb	1.4	* @return a CorbaControlHandler reference.
69	tdb	1.1	*/
70	tdb	1.6	public CorbaControlHandler connect(Client client, String name) {
71	tdb	1.7	CorbaControlHandlerServant cchServant = new CorbaControlHandlerServant(_packetSorter, client, name);
72	tdb	1.1	org.omg.CORBA.Object objRef;
73			try {
74	tdb	1.4	objRef = _refman.getRootPOA().servant_to_reference(cchServant);
75	tdb	1.1	} catch (Exception e) {
76			objRef = null;
77	tdb	1.4	_logger.write(toString(), Logger.ERROR, "Error creating CorbaControlHandler: "+e);
78	tdb	1.1	}
79	tdb	1.4	CorbaControlHandler corbaHandler = CorbaControlHandlerHelper.narrow(objRef);
80	tdb	1.1	return corbaHandler;
81			}
82
83			/**
84			* Overrides the {@link java.lang.Object#toString() Object.toString()}
85			* method to provide clean logging (every class should have this).
86			*
87	tdb	1.12	* This uses the uk.org.iscream.cms.util.NameFormat class
88	tdb	1.1	* to format the toString()
89			*
90			* @return the name of this class and its CVS revision
91			*/
92			public String toString() {
93			return FormatName.getName(
94			_name,
95			getClass().getName(),
96			REVISION);
97			}
98
99			//---PRIVATE METHODS---
100
101			//---ACCESSOR/MUTATOR METHODS---
102
103			//---ATTRIBUTES---
104
105			/**
106			* This is the friendly identifier of the
107			* component this class is running in.
108			* eg, a Filter may be called "filter1",
109			* If this class does not have an owning
110			* component, a name from the configuration
111			* can be placed here. This name could also
112			* be changed to null for utility classes.
113			*/
114			private String _name = ClientInterfaceMain.NAME;
115
116			/**
117			* This holds a reference to the
118			* system logger that is being used.
119			*/
120			private Logger _logger = ReferenceManager.getInstance().getLogger();
121
122			/**
123			* A reference to the reference manager in use
124			*/
125			private ReferenceManager _refman = ReferenceManager.getInstance();
126
127			/**
128			* A reference to the PacketSorter.
129			*/
130			private PacketSorter _packetSorter;
131
132			//---STATIC ATTRIBUTES---
133
134			}