public List<TimeExpression> extractTimeExpressions(CoreMap annotation, String docDateStr) {
List<CoreMap> mergedNumbers = NumberNormalizer.findAndMergeNumbers(annotation);
annotation.set(CoreAnnotations.NumerizedTokensAnnotation.class, mergedNumbers);
// TODO: docDate may not have century....
SUTime.Time docDate = timexPatterns.parseDateTime(docDateStr);
List<? extends MatchedExpression> matchedExpressions =
expressionExtractor.extractExpressions(annotation);
List<TimeExpression> timeExpressions = new ArrayList<TimeExpression>(matchedExpressions.size());
for (MatchedExpression expr : matchedExpressions) {
if (expr instanceof TimeExpression) {
timeExpressions.add((TimeExpression) expr);
} else {
timeExpressions.add(new TimeExpression(expr));
}
}
// Add back nested time expressions for ranges....
// For now only one level of nesting...
if (options.includeNested) {
List<TimeExpression> nestedTimeExpressions = new ArrayList<TimeExpression>();
for (TimeExpression te : timeExpressions) {
if (te.isIncludeNested()) {
List<? extends CoreMap> children =
te.getAnnotation().get(TimeExpression.ChildrenAnnotation.class);
if (children != null) {
for (CoreMap child : children) {
TimeExpression childTe = child.get(TimeExpression.Annotation.class);
if (childTe != null) {
nestedTimeExpressions.add(childTe);
}
}
}
}
}
timeExpressions.addAll(nestedTimeExpressions);
}
Collections.sort(timeExpressions, MatchedExpression.EXPR_TOKEN_OFFSETS_NESTED_FIRST_COMPARATOR);
timeExpressions = filterInvalidTimeExpressions(timeExpressions);
// Some resolving is done even if docDate null...
if (
/*docDate != null && */ timeExpressions != null) {
resolveTimeExpressions(annotation, timeExpressions, docDate);
}
// Annotate timex
return timeExpressions;
}
