Master of Science thesis Fighting Spam

import SpamCash.Utilities.*;
import java.util.StringTokenizer;
import java.io.StringReader;
import SpamCash.Client.GUI.Progress;
import SpamCash.Client.GUI.MainFrame;
import SpamCash.Client.Control;
public class NonBlockingProxyConnection
{
private Selector selector;
private SocketChannel serverChannel, clientChannel;
private Vector clientMessageQueue, serverMessageQueue;
private String className;
private boolean disconnecting = false;
private int channelId;
private AbstractNonBlockingProxy proxy;
//Encoder and decoder
private Charset charset;
private CharsetDecoder decoder;
private CharsetEncoder encoder;
// Allocate buffers
private ByteBuffer buffer;
private CharBuffer charBuffer;
private FileReader fileReader;
private BufferedReader bufferedReader;
private Progress progress = new Progress();
private final int bufferSize = 512;
protected NonBlockingProxyConnection(AbstractNonBlockingProxy proxy, String
className, int channelId, Selector selector, SocketChannel clientChannel, String
serverAddress, int serverPort) throws
Exception
{
this.className = className + ":" + "NonBlokingProxyConnection";
this.proxy = proxy;
this.channelId = channelId;
this.selector = selector;
this.clientChannel = clientChannel;
clientMessageQueue = new Vector();
serverMessageQueue = new Vector();
//Encoder and decoder
charset = Charset.forName("US-ASCII");
decoder = charset.newDecoder();
encoder = charset.newEncoder();
// Allocate buffers
buffer = ByteBuffer.allocate(bufferSize);
charBuffer = CharBuffer.allocate(bufferSize);
clientChannel.configureBlocking(false);
clientChannel.register(selector, SelectionKey.OP_READ | SelectionKey.OP_WRITE);
// Make connection to server
InetSocketAddress socketAddress = new InetSocketAddress(serverAddress,
serverPort);
serverChannel = SocketChannel.open();
serverChannel.configureBlocking(false);
serverChannel.connect(socketAddress);
serverChannel.register(selector, SelectionKey.OP_CONNECT | SelectionKey.OP_READ |
SelectionKey.OP_WRITE);
}
protected boolean containsChannel(SocketChannel channel)
{
return channel.equals(clientChannel) || channel.equals(serverChannel);
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