return getRepositoryUrl() + getName();
    }

    @Override
    public long getContentLength() {
        return resource.getContentLength();
    }

    @Override
    public long getTransferStartTime() {
        return transferStartTime;
    }

    @Override
    public String toString() {
        return getUrl();
    }

    /**
     * Gets the timestamp when the transfer of this artifact was started.
     *
     * @return The timestamp when the transfer of this artifact was started.
     */
    long getTransferStartTime();

                .append(resource.getResourceName())
                .append(" (");
        format.format(message, contentLength);

        long duration = System.currentTimeMillis() - resource.getTransferStartTime();
        if (duration > 0L) {
            double bytesPerSecond = contentLength / (duration / 1000.0);
            message.append(" at ");
            format.format(message, (long) bytesPerSecond);

                .append(" (");
        format.format(message, contentLength);

        Duration duration =
                Duration.between(Instant.ofEpochMilli(resource.getTransferStartTime()), MonotonicClock.now());
        if ((duration.getSeconds() | duration.getNano()) > 0) { // duration.isPositive()
            long bytesPerSecond = Math.round(contentLength / (double) duration.toSeconds());

            String len = contentLength >= 1024 ? toKB(contentLength) + " KB" : contentLength + " B";

            String throughput = "";
            long duration = System.currentTimeMillis() - resource.getTransferStartTime();
            if (duration > 0) {
                DecimalFormat format = new DecimalFormat("0.0", new DecimalFormatSymbols(Locale.ENGLISH));
                double kbPerSec = (contentLength / 1024.0) / (duration / 1000.0);

        message.append(darkOff).append(resource.getResourceName());
        message.append(darkOn).append(" (").append(format.format(contentLength));

        long duration = System.currentTimeMillis() - resource.getTransferStartTime();
        if (duration > 0L) {
            double bytesPerSecond = contentLength / (duration / 1000.0);
            message.append(" at ").append(format.format((long) bytesPerSecond)).append("/s");
        }