public NetMapReader(String host, String port, NetMapConnector connector, String view) throws IOException {
public NetMapReader(String host, String port, NetMapConnector connector) throws IOException {
    public NetMapReader(String host, String port, NetMapConnector connector,            String view) throws IOException {        netmapConn = connector;        if (view != null) {            setView(view);        }        DEBUG = Debug.debugging("netmap");        DEBUG_VERBOSE = Debug.debugging("netmap_verbose");        try {            s = connect(host, port);        } catch (IOException e) {            throw e;        }    }