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/* |
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* i-scream central monitoring system |
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* http://www.i-scream.org |
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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.cms.server.filter.plugins; |
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|
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//---IMPORTS--- |
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import uk.org.iscream.cms.server.filter.PluginFilter; |
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import uk.org.iscream.cms.server.filter.*; |
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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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/** |
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* This plugin rejects packets that do not |
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* contain all of the 'essential' data. |
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* |
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* @author $Author: tdb $ |
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* @version $Id: EnforceEssentialData__Plugin.java,v 1.15 2003/02/24 20:18:49 tdb Exp $ |
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*/ |
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public class EnforceEssentialData__Plugin implements PluginFilter { |
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|
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//---FINAL ATTRIBUTES--- |
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|
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/** |
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* The current CVS revision of this class |
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*/ |
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public final String REVISION = "$Revision: 1.15 $"; |
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|
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public final String DESC = "Rejects packets that do not have an ip, machine_name, seq_no, date and type specified as attributes of the root packet tag."; |
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|
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//---STATIC METHODS--- |
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|
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//---CONSTRUCTORS--- |
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|
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//---PUBLIC METHODS--- |
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|
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// apply the filter and return true if successful. |
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public boolean runFilter(XMLPacket packet){ |
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|
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// return true if a queueStat packet seems ok |
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if (packet.getParam("packet.attributes.type").equals("queueStat") |
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&& packet.getParam("packet.attributes.date") != null |
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&& packet.getParam("packet.attributes.name") != null){ |
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return true; |
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} |
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|
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// return false if any of the essential data is not present |
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// in a "data" packet |
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if (packet.getParam("packet.attributes.machine_name") == null |
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|| packet.getParam("packet.attributes.ip") == null |
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|| packet.getParam("packet.attributes.seq_no") == null |
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|| packet.getParam("packet.attributes.date") == null |
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|| packet.getParam("packet.attributes.type") == null){ |
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return false; |
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} |
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|
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// otherwise return true! |
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return true; |
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|
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} |
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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.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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public String toString() { |
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return FormatName.getName( |
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_name, |
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getClass().getName(), |
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REVISION); |
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} |
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|
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/** |
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* return the String representation of what the filter does |
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*/ |
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public String getDescription(){ |
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return DESC; |
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} |
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|
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//---PRIVATE METHODS--- |
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|
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//---ACCESSOR/MUTATOR METHODS--- |
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|
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//---ATTRIBUTES--- |
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|
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/** |
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* This is the friendly identifier of the |
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* component this class is running in. |
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* eg, a Filter may be called "filter1", |
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* If this class does not have an owning |
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* component, a name from the configuration |
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* can be placed here. This name could also |
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* be changed to null for utility classes. |
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*/ |
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private String _name = FilterMain.NAME; |
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|
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/** |
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* This holds a reference to the |
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* system logger that is being used. |
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*/ |
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private Logger _logger = ReferenceManager.getInstance().getLogger(); |
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|
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//---STATIC ATTRIBUTES--- |
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|
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} |
