public static InputStream dicomStreamWithFileMetaHeader()

in import/src/main/java/com/google/cloud/healthcare/imaging/dicomadapter/cstore/DicomStreamUtil.java [31:48]

• 14 lines of code
• 1 McCabe index (conditional complexity)

  public static InputStream dicomStreamWithFileMetaHeader(
      String sopInstanceUID,
      String sopClassUID,
      String transferSyntax,
      InputStream inDicomStream) // PDVInputStream
      throws IOException {
    // File meta header (group 0002 tags), always in Explicit VR Little Endian.
    // http://dicom.nema.org/dicom/2013/output/chtml/part10/chapter_7.html
    ByteArrayOutputStream outBuffer = new ByteArrayOutputStream();
    DicomOutputStream fmiStream = new DicomOutputStream(outBuffer, UID.ExplicitVRLittleEndian);
    Attributes fmi =
        Attributes.createFileMetaInformation(sopInstanceUID, sopClassUID, transferSyntax);
    fmiStream.writeFileMetaInformation(fmi);

    // Add the file meta header + DICOM dataset (other groups) as a sequence of input streams.
    return new SequenceInputStream(
        new ByteArrayInputStream(outBuffer.toByteArray()), inDicomStream);
  }