@Override
protected void writeFile(DiskImage image) {
_writer.writeAttributeString(getOvfUri(), "href", OvfParser.createImageFile(image));
_writer.writeAttributeString(getOvfUri(), "id", image.getImageId().toString());
_writer.writeAttributeString(getOvfUri(), "size", String.valueOf(image.getActualSizeInBytes()));
_writer.writeAttributeString(getOvfUri(), "description", StringUtils.defaultString(image.getDescription()));
_writer.writeAttributeString(getOvfUri(), "disk_storage_type", image.getDiskStorageType().name());
_writer.writeAttributeString(getOvfUri(), "cinder_volume_type", StringUtils.defaultString(image.getCinderVolumeType()));
}