How to use

addRecord

method

in

org.dcm4che3.media.DicomDirWriter

public synchronized Attributes addLowerDirectoryRecord(
    Attributes parentRec, Attributes rec) throws IOException {
  Attributes prevRec = lastChildRecords.get(parentRec);
  if (prevRec == null)
    prevRec = findLastLowerDirectoryRecord(parentRec);
  if (prevRec != null)
    addRecord(Tag.OffsetOfTheNextDirectoryRecord, prevRec, rec);
  else
    addRecord(Tag.OffsetOfReferencedLowerLevelDirectoryEntity,
        parentRec, rec);
  lastChildRecords.put(parentRec, rec);
  return rec;
}

public synchronized Attributes addRootDirectoryRecord(Attributes rec)
    throws IOException {
  Attributes lastRootRecord = readLastRootDirectoryRecord();
  if (lastRootRecord == null) {
    writeRecord(firstRecordPos, rec);
    setOffsetOfFirstRootDirectoryRecord(firstRecordPos);
  } else {
    addRecord(Tag.OffsetOfTheNextDirectoryRecord, lastRootRecord, rec);
  }
  setOffsetOfLastRootDirectoryRecord((int) rec.getItemPosition());
  return rec;
}