code: public static Document load(InputStream in, String charsetName, String baseUri) throws IOException {
          return parseInputStream(in, charsetName, baseUri, Parser.htmlParser());
      }
docs: Parses a Document from an input steam.
  @param in input stream to parse. You will need to close it.
  @param charsetName character set of input
  @param baseUri base URI of document, to resolve relative links against
  @return Document
  @throws IOException on IO error