FilterFactory ff = CommonFactoryFinder.getFilterFactory((Hints) null);
TOverlaps filter = ff.toverlaps(ff.property("date"), newSampleDate());
FilterToCQL toCQL = new FilterToCQL();
filter.accept( toCQL, null ).toString();
}
protected Literal newSampleDate() throws ParseException{
SimpleDateFormat dateFormatter = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss'Z'");