How to use

DicomDirWriter

in

org.dcm4che3.media

  public static DicomDirWriter open(File file) throws IOException {
    if (file.createNewFile()) {
      DicomDirWriter.createEmptyDirectory(file, UIDUtils.createUID(), null, null, null);
    }
    return DicomDirWriter.open(file);
  }
}

public String[] toFileIDs(File f) {
  return toFileIDs(file, f);
}

@Override
public void close() throws IOException {
  commit();
  super.close();
}

  private boolean purge(Attributes rec, int[] count) throws IOException {
    boolean purge = true;
    while (rec != null) {
      if (purge(findLowerDirectoryRecordInUse(rec, false), count)
          && !rec.containsValue(Tag.ReferencedFileID)) {
        deleteRecord(rec);
        count[0]++;
      } else
        purge = false;
      rec = readNextDirectoryRecord(rec);
    }
    return purge;
  }
}

private void open(File file) throws IOException {
  this.file = file;
  in = out = DicomDirWriter.open(file);
  if (!origSeqLength)
    out.setEncodingOptions(encOpts);
  setCheckDuplicate(true);
}

public synchronized boolean deleteRecord(Attributes rec)
    throws IOException {
  if (rec.getInt(Tag.RecordInUseFlag, 0) == INACTIVE)
    return false; // already disabled
  for (Attributes lowerRec = readLowerDirectoryRecord(rec);
      lowerRec != null; 
      lowerRec = readNextDirectoryRecord(lowerRec))
    deleteRecord(lowerRec);
  rec.setInt(Tag.RecordInUseFlag, VR.US, INACTIVE);
  markAsDirty(rec);
  return true;
}

  ds.setString(Tag.PatientID, VR.LO, pid = styuid);
Attributes patRec = ddWriter.findPatientRecord(pid);
if (patRec == null) {
  patRec = recFact.createRecord(RecordType.PATIENT, null,
      ds, null, null);
  ddWriter.addRootDirectoryRecord(patRec);
Attributes studyRec = ddWriter.findStudyRecord(patRec, styuid);
if (studyRec == null) {
  studyRec = recFact.createRecord(RecordType.STUDY, null,
      ds, null, null);
  ddWriter.addLowerDirectoryRecord(patRec, studyRec);
Attributes seriesRec = ddWriter.findSeriesRecord(studyRec, seruid);
if (seriesRec == null) {
  seriesRec = recFact.createRecord(RecordType.SERIES, null,
      ds, null, null);
  ddWriter.addLowerDirectoryRecord(studyRec, seriesRec);
    ddWriter.findLowerInstanceRecord(seriesRec, false, iuid);
if (instRec != null)
  return false;
instRec = recFact.createRecord(ds, fmi, ddWriter.toFileIDs(f));
ddWriter.addLowerDirectoryRecord(seriesRec, instRec);
ddWriter.commit();
return true;

  dataset.setString(Tag.PatientID, VR.LO, pid);
Attributes patRec = writer.findPatientRecord(pid);
if (patRec == null) {
  patRec = DicomDirLoader.RecordFactory.createRecord(RecordType.PATIENT, null, dataset, null, null);
  writer.addRootDirectoryRecord(patRec);
Attributes studyRec = writer.findStudyRecord(patRec, styuid);
if (studyRec == null) {
  studyRec = DicomDirLoader.RecordFactory.createRecord(RecordType.STUDY, null, dataset, null, null);
  writer.addLowerDirectoryRecord(patRec, studyRec);
Attributes seriesRec = writer.findSeriesRecord(studyRec, seruid);
if (seriesRec == null) {
  seriesRec = DicomDirLoader.RecordFactory.createRecord(RecordType.SERIES, null, dataset, null, null);
  writer.addLowerDirectoryRecord(studyRec, seriesRec);
if (writer.findLowerInstanceRecord(seriesRec, false, iuid) == null) {
  instRec =
    DicomDirLoader.RecordFactory.createRecord(dataset, fmi, writer.toFileIDs(destinationFile));
  writer.addLowerDirectoryRecord(seriesRec, instRec);
if (writer.findRootInstanceRecord(false, miuid) == null) {
  Attributes instRec =
    DicomDirLoader.RecordFactory.createRecord(dataset, fmi, writer.toFileIDs(destinationFile));
  writer.addRootDirectoryRecord(instRec);

private void create(File file) throws IOException {
  this.file = file;
  DicomDirWriter.createEmptyDirectory(file,
      UIDUtils.createUIDIfNull(fsInfo.getFilesetUID()),
      fsInfo.getFilesetID(),
      fsInfo.getDescriptorFile(),
      fsInfo.getDescriptorFileCharset());
  in = out = DicomDirWriter.open(file);
  out.setEncodingOptions(encOpts);
  setCheckDuplicate(false);
}

patRec = recFact.createRecord(RecordType.PATIENT, null,
    dataset, null, null);
out.addRootDirectoryRecord(patRec);
num++;
studyRec = recFact.createRecord(RecordType.STUDY, null,
    dataset, null, null);
out.addLowerDirectoryRecord(patRec, studyRec);
num++;
  seriesRec = recFact.createRecord(RecordType.SERIES, null,
      dataset, null, null);
  out.addLowerDirectoryRecord(studyRec, seriesRec);
  num++;
  out.addLowerDirectoryRecord(seriesRec, instRec);
  num++;
out.addRootDirectoryRecord(instRec);
prompt = prompt == 'F' ? 'R' : 'r';
num++;

public synchronized Attributes findOrAddSeriesRecord(Attributes studyRec, Attributes rec)
    throws IOException {
  Attributes seriesRec = super.findSeriesRecord(studyRec, rec.getString(Tag.SeriesInstanceUID));
  return seriesRec != null ? seriesRec : addLowerDirectoryRecord(studyRec, rec);
}

public synchronized Attributes findOrAddPatientRecord(Attributes rec) throws IOException {
  Attributes patRec = super.findPatientRecord(rec.getString(Tag.PatientID));
  return patRec != null ? patRec : addRootDirectoryRecord(rec);
}

public static void createEmptyDirectory(File file, String iuid,
    String id, File descFile, String charset) throws IOException {
  Attributes fmi = Attributes.createFileMetaInformation(iuid,
      UID.MediaStorageDirectoryStorage, UID.ExplicitVRLittleEndian);
  createEmptyDirectory(file, fmi, id, descFile, charset);
}

  return 0;
out.deleteRecord(instRec);
System.out.print('x');
return 1;

  ds.setString(Tag.PatientID, VR.LO, pid = styuid);
Attributes patRec = ddWriter.findPatientRecord(pid);
if (patRec == null) {
  patRec = recFact.createRecord(RecordType.PATIENT, null,
      ds, null, null);
  ddWriter.addRootDirectoryRecord(patRec);
Attributes studyRec = ddWriter.findStudyRecord(patRec, styuid);
if (studyRec == null) {
  studyRec = recFact.createRecord(RecordType.STUDY, null,
      ds, null, null);
  ddWriter.addLowerDirectoryRecord(patRec, studyRec);
Attributes seriesRec = ddWriter.findSeriesRecord(studyRec, seruid);
if (seriesRec == null) {
  seriesRec = recFact.createRecord(RecordType.SERIES, null,
      ds, null, null);
  ddWriter.addLowerDirectoryRecord(studyRec, seriesRec);
    ddWriter.findLowerInstanceRecord(seriesRec, false, iuid);
if (instRec != null)
  return false;
instRec = recFact.createRecord(ds, fmi, ddWriter.toFileIDs(f));
ddWriter.addLowerDirectoryRecord(seriesRec, instRec);
ddWriter.commit();
return true;

private void create(File file) throws IOException {
  this.file = file;
  DicomDirWriter.createEmptyDirectory(file,
      UIDUtils.createUIDIfNull(fsInfo.getFilesetUID()),
      fsInfo.getFilesetID(),
      fsInfo.getDescriptorFile(),
      fsInfo.getDescriptorFileCharset());
  in = out = DicomDirWriter.open(file);
  out.setEncodingOptions(encOpts);
  setCheckDuplicate(false);
}

patRec = recFact.createRecord(RecordType.PATIENT, null,
    dataset, null, null);
out.addRootDirectoryRecord(patRec);
num++;
studyRec = recFact.createRecord(RecordType.STUDY, null,
    dataset, null, null);
out.addLowerDirectoryRecord(patRec, studyRec);
num++;
  seriesRec = recFact.createRecord(RecordType.SERIES, null,
      dataset, null, null);
  out.addLowerDirectoryRecord(studyRec, seriesRec);
  num++;
  out.addLowerDirectoryRecord(seriesRec, instRec);
  num++;
out.addRootDirectoryRecord(instRec);
prompt = prompt == 'F' ? 'R' : 'r';
num++;

public synchronized Attributes findOrAddStudyRecord(Attributes patRec, Attributes rec)
    throws IOException {
  Attributes studyRec = super.findStudyRecord(patRec, rec.getString(Tag.StudyInstanceUID));
  return studyRec != null ? studyRec : addLowerDirectoryRecord(patRec, rec);
}

private void open(File file) throws IOException {
  this.file = file;
  in = out = DicomDirWriter.open(file);
  if (!origSeqLength)
    out.setEncodingOptions(encOpts);
  setCheckDuplicate(true);
}

private void copyFrom(DicomDirReader r) throws IOException {
  Attributes rec = r.findFirstRootDirectoryRecordInUse(false);
  while (rec != null) {
    copyChildsFrom(r, rec,
        out.addRootDirectoryRecord(new Attributes(rec)));
    rec = r.findNextDirectoryRecordInUse(rec, false);
  }
}