singleeventhandler.java

来自「java语言开发的P2P流媒体系统」· Java 代码 · 共 134 行

/* 
 * P2P-Radio - Peer to peer streaming system
 * Project homepage: http://p2p-radio.sourceforge.net/
 * Copyright (C) 2003-2004 Michael Kaufmann <[e-mail]>
 * 
 * ---------------------------------------------------------------------------
 * 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 p2pradio.monitor;
import stream2stream.network.*;
import p2pradio.Messages;
import java.util.logging.*;


public class SingleEventHandler implements Runnable
{
	private MonitorLogHandler parent;
	private LogRecord logRecord;
	
	public SingleEventHandler(MonitorLogHandler parent, LogRecord logRecord)
	{
		this.parent = parent;
		this.logRecord = logRecord;
	}
	
	public void run()
	{
		if (!(logRecord instanceof MonitorLogRecord))
		{
			return;
		}
	
		MonitorLogRecord monitorLogRecord = (MonitorLogRecord)logRecord;
		MonitorApp monitorApp = parent.getMonitorApp();
		
		// Der Absender-Peer l鋟ft noch
		monitorApp.getDeadPeerChecker().peerIsAlive(monitorLogRecord.getSender());
		
		try
		{	
			// Ist der Absender eine Quelle?
			if (monitorLogRecord.getSender().equals(monitorLogRecord.getServer()))	
			{
				if (!monitorLogRecord.getMessage().equals("Peer.SERVER_SHUTDOWN")) //$NON-NLS-1$
				{
					monitorApp.getTreeDataManager().addSource(monitorLogRecord.getSender());
				}
				else
				{
					// Die Quelle beendet sich
					monitorApp.getTreeDataManager().removeSource(monitorLogRecord.getSender());
				}
			}
			else
			{
				if (!monitorLogRecord.getMessage().equals("Peer.LEAVING")) //$NON-NLS-1$
				{
					// Zulieferer neu setzen
					monitorApp.getTreeDataManager().addPeer(monitorLogRecord.getSupplier(), monitorLogRecord.getSender());
				}
				else
				{
					// Der Peer geht
					monitorApp.getTreeDataManager().removePeer(monitorLogRecord.getSender());
				}
			}
			
			if (monitorLogRecord.getMessage().equals("Peer.CHILD_REMOVED")) //$NON-NLS-1$
			{
				monitorApp.getDeadPeerChecker().checkPeer((stream2stream.network.RemotePeer)monitorLogRecord.getParameters()[0]);
			}
			
			
			// Nachricht auflisten
			
			if (parent.getFilter() != null)
			{
				if (!parent.getFilter().isLoggable(monitorLogRecord))
				{
					return;
				}
			}

			String message;
		
			if (parent.getFormatter() != null)
			{
				message = parent.getFormatter().format(monitorLogRecord);
			}
			else
			{
				message = monitorLogRecord.getMessage();
			}
		
			monitorApp.addEvent(message);
		}
		catch (Exception e)
		{
			java.io.StringWriter writer = new java.io.StringWriter();
			e.printStackTrace(new java.io.PrintWriter(writer));
			
			monitorApp.addEvent(Messages.getString("SingleEventHandler.ERROR", writer.toString())); //$NON-NLS-1$
						
			try
			{
				monitorApp.addEvent(Messages.getString("SingleEventHandler.ERROR_CAUSED_BY", monitorLogRecord.getMessage())); //$NON-NLS-1$
			}
			catch(Exception ee)
			{
				monitorApp.addEvent(Messages.getString("SingleEventHandler.INTERNAL_ERROR_CAUSED_BY_MESSAGE", monitorLogRecord.getMessage())); //$NON-NLS-1$
			}
			
			// Dispatcher anhalten, damit man den Fehler nachvollziehen kann
			monitorApp.getDispatcher().setEnabled(false);
			
			monitorApp.addEvent(Messages.getString("SingleEventHandler.MONITOR_STOPPED")); //$NON-NLS-1$
		}
	}
}