Master of Science thesis Fighting Spam

Decode buffer
decoder.decode(buffer, charBuffer, false);
charBuffer.flip();
String s = channel.equals(serverChannel) ? "server" : "client";
//Debugger.debug(className, 3, "Channel " + channelId + " read from " + s + ": "
+ charBuffer.toString());
String message = charBuffer.toString();
//Read from the client ?
if(!channel.equals(serverChannel))
{
try
{
//Should the proxy react?
Object result = proxy.testClientCommand(message);
if(result instanceof File)
{
fileReader = new FileReader((File) result);
bufferedReader = new BufferedReader(fileReader);
long filesize = ((File) result).length();
progress.init("Sending message (SMTP) ", filesize,
Config.numberOfUpdates);
Debugger.debug(className, 3, "Initialized outgoing file. Size " +
filesize);
//Be ready to write the message later
serverChannel.register(selector, SelectionKey.OP_READ |
SelectionKey.OP_WRITE);
}
else if(result instanceof String && !result.equals(""))
{
//Add the message to the serverQueue
serverMessageQueue.add(result);
//Be ready to write the message later
serverChannel.register(selector, SelectionKey.OP_READ |
SelectionKey.OP_WRITE);
}
}
catch(Exception e)
{
String error = "554 "+e.getMessage();
Debugger.debug(className, 1, "Exception handling mail. Sending error to
the client and the server: " + error);
write(error,clientChannel);
write(error,serverChannel);
serverChannel.close();
clientChannel.close();
Debugger.debug(className, 1, "Closed connections.");
Control.showError(error);
Debugger.debug(className, 1, "Error given to GUI.");
}
}
else
{
//Should the proxy react?
String [] messages = proxy.testServerCommand(message);
if(messages.length != 0)
{
for(int i=0;i< messages.length;i++)
{
//Add the message to the queue
clientMessageQueue.add(messages[i]);
}
//Be ready to write the message later
clientChannel.register(selector, SelectionKey.OP_READ |
SelectionKey.OP_WRITE);
}
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