} catch (IOException ex) { }
        return connection.getHeaderFieldDate(header, def);
    }

    public String getHeaderFieldKey(int index) {
        try {
            handshake();
        } catch (IOException ex) { }
        return connection.getHeaderFieldKey(index);
    }

    public String getHeaderField(int index) {
        try {
            handshake();

        handshake();
        return this.connection.getHeaderFieldDate(header, def);
    }


    @Override
    public String getHeaderFieldKey ( int index ) {
        handshake();
        return this.connection.getHeaderFieldKey(index);
    }


    @Override
    public String getHeaderField ( int index ) {
        handshake();
        return this.connection.getHeaderField(index);