while (durationTokenItr.hasNext()){
DurationAnnotation focusToken = (DurationAnnotation) durationTokenItr.next();
String localDuration = null;
if ((localDuration = findDurationElement(jcas, focusToken
.getBegin(), focusToken.getEnd())) == null) {
duration = new DurationElement(focusToken.getCoveredText(),
focusToken.getBegin(), focusToken.getEnd());
} else {
setDurationElement(localDuration, focusToken.getBegin(),
focusToken.getEnd());
}