endDateTime = new DateTime(event.getEndDate());
}
endDateTime.setDateOnly(true);
gbaseAttributes.addDateTimeRangeAttribute("event date range",
new DateTimeRange(startDateTime, endDateTime));
gbaseAttributes.addTextAttribute("event performer", "Google mashup test");
gbaseAttributes.addUrlAttribute("performer url", "http://code.google.com/apis/gdata.html");
if (event.getBaseUrl() != null) {