converted = docConverter.convertAndApply(blipOp.getContentOp());
} catch (OperationException e) {
throw new InvalidInputException("OperationException converting " + waveletOp, e);
}
setResult(new WaveletBlipOperation(
documentId, new BlipContentOperation(context, converted)));
if (docConverter.getCurrentState().size() == 0) {
// HACK(ohler): Save memory. This is not, strictly speaking,
// safe; it assumes that DocumentHistoryConverter and all
// nindo converters return to their initial state whenever the
// document reaches the empty state.