Controller not controlling

package telnet;

import java.io.IOException;
import java.io.InputStream;
import java.net.SocketException;
import java.util.Observable;
import java.util.Observer;
import java.util.concurrent.ConcurrentLinkedQueue;
import java.util.logging.Logger;

public class Controller implements Observer {

    private final static Logger LOG = Logger.getLogger(Controller.class.getName());

    public Controller() {
    }

    public void readPrintParse(final InputStream inputStream) throws SocketException, IOException {
        final ConcurrentLinkedQueue<Character> clq = new ConcurrentLinkedQueue();
        final StringBuilder sb = new StringBuilder();
        Printer print = new Printer();
        print.print(inputStream, clq);
        StreamReader sp = new StreamReader();
        sp.read(clq);
        StringReader p = new StringReader();
    }

    @Override
    public void update(Observable o, Object arg) {
        if (arg instanceof String) {
            System.out.println(arg.toString());
        }
    }
}