@Override
public void analyzeFile(FileConversionContext conversionContext) throws Exception {
// No conversion required.
JSONObject fileDescription = conversionContext.getAttachmentDescription();
JSONObject originalObj = fileDescription.optJSONObject("original");
fileDescription.put(UploadConstants.SIZE_KEY, originalObj.opt(UploadConstants.SIZE_KEY));
fileDescription.put(UploadConstants.MIME_KEY, originalObj.opt(UploadConstants.MIME_KEY));
fileDescription.put(UploadConstants.ENCODING_KEY, originalObj.opt(UploadConstants.ENCODING_KEY));
fileDescription.put(UploadConstants.MEDIA_FILE_KEY, originalObj.opt(UploadConstants.MEDIA_FILE_KEY));
}