code: @Override
  	public void handleFile(File htmlFile) {
      if(jerryParser == null){
        jerryParser = Jerry.jerry().enableHtmlMode();
        jerryParser.getDOMBuilder().setCaseSensitive(false);
        jerryParser.getDOMBuilder().setParseSpecialTagsAsCdata(true);
        jerryParser.getDOMBuilder().setSelfCloseVoidTags(false);
        jerryParser.getDOMBuilder().setConditionalCommentExpression(null);
        jerryParser.getDOMBuilder().setEnableConditionalComments(false);
        jerryParser.getDOMBuilder().setImpliedEndTags(false);
      }
  	  log.trace("Handling file {}", htmlFile);
  	  try {
  	    String fileContents = FileUtils.readFileToString(htmlFile);
  	    Jerry html = jerryParser.parse(fileContents);
  	    Jerry selector = html.$("[data-cadmium='copyright']");
  	    log.debug("Found {} copyright tags.", selector.length());
  	    if(selector.length() > 0) {
  	      selector.text(year.toString());
  	      log.trace("Writing updated file {}",htmlFile);
  	      FileUtils.writeStringToFile(htmlFile, html.html(), false);
  	    }
  	  } catch(Throwable t) {
  	    log.warn("Failed to update file "+htmlFile, t);
  	  }
  	}
docs: Updates the copyright dates in the given file.