code: private static void addDataItem(final DataSeries dataSeries, final SimpleDateFormat simpleDateFormat,
  			final SimpleDateFormat parseIncomingDateFormat, final ViewRiksdagenOrgDocumentDailySummary item) {
  		if (item != null && item.getEmbeddedId().getPublicDate().length() > 0) {
  
  			try {
  				dataSeries.add(
  						simpleDateFormat
  								.format(parseIncomingDateFormat.parse(item.getEmbeddedId().getPublicDate())),
  						item.getTotal());
  			} catch (final ParseException e) {
  				LOGGER.warn("Problem parsing date:{}", item.getEmbeddedId().getPublicDate());
  			}
  		}
  	}
docs: Adds the data item.
  
  @param dataSeries              the data series
  @param simpleDateFormat        the simple date format
  @param parseIncomingDateFormat the parse incoming date format
  @param item                    the item