Master of Science thesis Fighting Spam

{
private Control control;
public IncomingMailProcessor(Control control)
{
this.control = control;
}
public void run()
{
MimePacket packet;
boolean lastPacket = false;
}
while(true)
{
try
{
if(lastPacket)
{
Debugger.debug(getClass(), 2,
"The last packet is done processing finished.");
control.incomingMailProcessingCompleted();
}
packet = (MimePacket) control.incomingMailQueue.getPacket();
lastPacket = packet.lastPacket();
processPOP(packet.getMessage());
}
catch(Throwable e)
{
Debugger.debug(getClass(), 1, "Processor interrupted.", e);
}
}
public MimeMessage processIMAP(MimeMessage message) throws Exception
{
if(keepMail(message))
return message;
return null;
}
//Should be private
public void processPOP(MimeMessage message) throws Exception
{
//Here we process the mail...
Debugger.debug(getClass(), 2, "Processing mail with ID = " +
message.getMessageID());
if(keepMail((MimeMessage)message))
{
MimeTools.writeMimeFile(message,
FileHandler.findNewFile(Config.incomingMailDirectory));
Debugger.debug(getClass(), 2, "Done processing mail. Saved mail with ID = " +
message.getMessageID());
}
else
Debugger.debug(getClass(), 2, "Done processing mail. Did not save mail with
ID = " + message.getMessageID());
}
/**
* @param sender String
* @param coin Coin
* @return true if the message should be kept and false if the message
* should be deleted.
*/
private boolean keepData(String sender,Object data, MimeMessage message) throws
Exception
{
Debugger.debug(getClass(), 1,"Testing message from: "+sender+"...");
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