@Override
    public long getExpiration () {
        handshake();
        return this.connection.getExpiration();
    }


    @Override
    public long getDate () {
        handshake();
        return this.connection.getDate();
    }


    @Override
    public long getLastModified () {
        handshake();
        return this.connection.getLastModified();
    }

        try {
            handshake();
        } catch (IOException ex) { }
        return connection.getExpiration();
    }

    public long getDate() {
        try {
            handshake();
        } catch (IOException ex) { }
        return connection.getDate();
    }

    public long getLastModified() {
        try {
            handshake();
        } catch (IOException ex) { }