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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.org.iscream.client; |
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package uk.org.iscream.cms.server.client; |
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//---IMPORTS--- |
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import uk.org.iscream.componentmanager.*; |
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import uk.org.iscream.core.*; |
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import uk.org.iscream.util.*; |
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import uk.org.iscream.cms.server.componentmanager.*; |
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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 java.util.*; |
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/** |
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* A manager for the Alerters. |
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* |
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* This class starts by loading all the alerters as specificed in the configuration. |
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* These alerters should implement the PluginAlerter interface. |
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* |
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* This class is then simply a reference point for the Alerters to get hooks on |
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* the various parts of the system that they require. |
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* |
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* @author $Author$ |
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* @version $Id$ |
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*/ |
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* Return a reference to the single class. |
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* Construct it if it does not already exist, otherwise just return the reference. |
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*/ |
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public static AlerterManager getInstance() { |
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public synchronized static AlerterManager getInstance() { |
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if (_instance == null){ |
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_instance = new AlerterManager(); |
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} |
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} |
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//---CONSTRUCTORS--- |
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/** |
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* Constructs a new AlerterManager. |
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* This initialises all the queues and loads |
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* all the Alerters that have been specified in the configuration |
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*/ |
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private AlerterManager() { |
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// set our name |
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setName("client.AlerterManager"); |
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_queue = ClientMain._alerterQueue; |
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_qID = _queue.getQueue(); |
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_logger.write(toString(), Logger.SYSINIT, "Initialising"); |
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_logger.write(toString(), Logger.SYSMSG, "Creating alerter pipeline for plugin alerters ..."); |
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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.org.iscream.util.FormatName class |
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* This uses the uk.org.iscream.cms.util.FormatName 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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* @return a reference to the alert queue |
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*/ |
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public Queue getQueue() { |
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return _queue; |
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return ClientMain._alerterQueue; |
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} |
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//---ATTRIBUTES--- |
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* A reference to the reference manager in use |
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*/ |
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private ReferenceManager _refman = ReferenceManager.getInstance(); |
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/** |
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* A reference to our Queue |
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*/ |
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private Queue _queue; |
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/** |
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* Our queue ID |
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*/ |
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private int _qID; |
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/** |
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* file name suffix for plugin alerter classes: |
