gbaseAttributes.addTextAttribute("event performer", "Google mashup test");
gbaseAttributes.addUrlAttribute("performer url", "http://code.google.com/apis/gdata.html");
if (event.getBaseUrl() != null) {
// updating event
baseService.update(event.getBaseUrl(), entry);
} else {
// insert event
GoogleBaseEntry resultEntry = baseService.insert(
FeedURLFactory.getDefault().getItemsFeedURL(),
entry);