+ resource.getRepositoryUrl() + resource.getResourceName());
    }

    @Override
    public void transferSucceeded(TransferEvent event) {
        String action = (event.getRequestType() == TransferEvent.RequestType.PUT ? "Uploaded" : "Downloaded");
        String direction = event.getRequestType() == TransferEvent.RequestType.PUT ? "to" : "from";

        TransferResource resource = event.getResource();
        long contentLength = event.getTransferredBytes();
        FileSizeFormat format = new FileSizeFormat(Locale.ENGLISH);

        StringBuilder message = new StringBuilder();
        message.append(action).append(' ').append(direction).append(' ').append(resource.getRepositoryId());
        message.append(": ");
        message.append(resource.getRepositoryUrl()).append(resource.getResourceName());
        message.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");
        }

        message.append(')');
        out.println(message.toString());

protected AbstractMavenTransferListener(PrintStream out) {
        this.out = out;
    }

    @Override
    public void transferInitiated(TransferEvent event) {
        String action = event.getRequestType() == TransferEvent.RequestType.PUT ? "Uploading" : "Downloading";
        String direction = event.getRequestType() == TransferEvent.RequestType.PUT ? "to" : "from";

        TransferResource resource = event.getResource();
        StringBuilder message = new StringBuilder();
        message.append(action).append(' ').append(direction).append(' ').append(resource.getRepositoryId());
        message.append(": ");
        message.append(resource.getRepositoryUrl()).append(resource.getResourceName());

        out.println(message.toString());