package trader.gui;

import org.apache.log4j.AppenderSkeleton;
import org.apache.log4j.spi.LoggingEvent;

import trader.*;

public class GuiLogHandler extends AppenderSkeleton{
    
    /** Creates a new instance of SwingLoghandler */
    String logMessage=new String("");
    GuiLogService logDisplay;
    java.text.DateFormat df= java.text.DateFormat.getDateTimeInstance();
    

    
	@Override
	protected void append(LoggingEvent logEvent) {
        // **1 Format the log record and publish it using the GuiLogService object
        // **  logDisplay
        java.util.Date date = new java.util.Date();
        String dateString=df.format(date);
        logMessage=dateString+" "+logEvent.getLevel()+" "+logEvent.getMessage()+"\n";
        logDisplay.setLog(logMessage);
    }
    
    public void setServiceCallback(GuiLogService logDisplay) {
    	this.logDisplay = logDisplay;
    }
    
    public void flush(){
    }
    public void close(){
        logMessage=null;
    }


	@Override
	public boolean requiresLayout() {
		// TODO Auto-generated method stub
		return false;
	}
}