public MediaType getMediaType() {
        if (rawMediaTypeString != null) {
            return MediaType.parse(rawMediaTypeString);
        }
        return null;
    }
@return parsed media type or <code>null</code> if parse fails or if media type string was
not specified
tika-parsers/tika-parsers-standard/tika-parsers-standard-modules/tika-parser-html-module/src/main/java/org/apache/tika/parser/html/DataURIScheme.java