code: public int filterObject(CaptureSearchResult r) {
  		String captureDate = r.getCaptureTimestamp();
  		return ((first.compareTo(captureDate) > 0) ||
  				(last.compareTo(captureDate) < 0)) ? 
  						FILTER_EXCLUDE : FILTER_INCLUDE;
  	}
docs: /* (non-Javadoc)
  @see org.archive.wayback.util.ObjectFilter#filterObject(java.lang.Object)