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/* |
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* i-scream central monitoring system |
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* http://www.i-scream.org.uk |
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* Copyright (C) 2000-2002 i-scream |
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* |
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* This program is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU General Public License |
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* as published by the Free Software Foundation; either version 2 |
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* of the License, or (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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*/ |
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|
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//---PACKAGE DECLARATION--- |
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package uk.ac.ukc.iscream.clientinterface; |
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package uk.org.iscream.cms.server.clientinterface; |
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//---IMPORTS--- |
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import uk.ac.ukc.iscream.core.*; |
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import uk.ac.ukc.iscream.util.*; |
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import uk.ac.ukc.iscream.componentmanager.*; |
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import java.util.LinkedList; |
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import java.util.Iterator; |
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import uk.org.iscream.cms.server.core.*; |
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import uk.org.iscream.cms.util.*; |
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import uk.org.iscream.cms.server.componentmanager.*; |
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/** |
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* A client interface servant |
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* This keeps a track of all connected clients to |
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* the system and passes data to their handlers. |
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* This class, a servant, listens for incoming data sent to it |
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* using CORBA. This data is then queued in the PacketSorter. |
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* It does no processing of the data, and is only a seperate |
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* class to keep the CORBA stuff out of the PacketSorter. |
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* |
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* Currently it has limited client management facilities. |
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* |
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* @author $Author$ |
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* @version $Id$ |
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*/ |
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/** |
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* Creates a new ClientInterfaceServant. |
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* |
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* @param packetSorter a reference to the PacketSorter object being used |
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*/ |
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public ClientInterfaceServant() { |
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// here would be a nice place to pass in local clients |
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_clients = new LinkedList(); |
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public ClientInterfaceServant(PacketSorter packetSorter) { |
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_queue = packetSorter.getQueue(); |
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_logger.write(toString(), Logger.SYSINIT, "created"); |
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} |
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//---PUBLIC METHODS--- |
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/** |
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* Method to receive a string over corba. |
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* Method to receive a string over CORBA. |
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* |
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* @param xml the String of XML to print out |
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* @param xml the XML string to be queued for processing. |
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*/ |
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public void receiveXML(String xml) { |
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Iterator i = _clients.iterator(); |
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while(i.hasNext()) { |
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((ClientHandler) i.next()).receiveXML(xml); |
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} |
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_queue.add(xml); |
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} |
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/** |
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* Simply adds clients to a linked list |
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* |
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* @param newClient a reference to the client to add |
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*/ |
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public void register(ClientHandler newClient) { |
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_logger.write(toString(), Logger.SYSMSG, "registered client - " + newClient.toString()); |
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_clients.add(newClient); |
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} |
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/** |
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* Overrides the {@link java.lang.Object#toString() Object.toString()} |
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* method to provide clean logging (every class should have this). |
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* |
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* This uses the uk.ac.ukc.iscream.util.NameFormat class |
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* This uses the uk.org.iscream.cms.util.NameFormat class |
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* to format the toString() |
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* |
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* @return the name of this class and its CVS revision |
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*/ |
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private Logger _logger = ReferenceManager.getInstance().getLogger(); |
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private LinkedList _clients; |
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/** |
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* A reference to the Queue we'll add data to. This is |
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* actually located in the PacketSorter. |
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*/ |
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private Queue _queue; |
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//---STATIC ATTRIBUTES--- |
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