How to use

com.netflix.imflibrary.st0377.HeaderPartition

constructor

/**
 * A method that returns an object model of the HeaderPartition in the Essence
 * @return Header partition in the essence
 * @throws IOException - any I/O related error will be exposed through an IOException
 */
public HeaderPartition getHeaderPartition() throws IOException{
  RandomIndexPack randomIndexPack = this.getRandomIndexPack();
  List<Long> allPartitionByteOffsets = randomIndexPack.getAllPartitionByteOffsets();
  long inclusiveRangeStart = allPartitionByteOffsets.get(0);
  long inclusiveRangeEnd = allPartitionByteOffsets.get(1) - 1;
  File fileWithHeaderPartition = this.resourceByteRangeProvider.getByteRange(inclusiveRangeStart, inclusiveRangeEnd, this.workingDirectory);
  ByteProvider byteProvider = this.getByteProvider(fileWithHeaderPartition);
  HeaderPartition headerPartition = new HeaderPartition(byteProvider, inclusiveRangeStart, inclusiveRangeEnd - inclusiveRangeStart + 1, this.imfErrorLogger);
  return headerPartition;
}

private static Map<UUID, PayloadRecord> getTrackFileIdToHeaderPartitionPayLoadMap(List<PayloadRecord>
                                      headerPartitionPayloadRecords) throws
    IOException {
  IMFErrorLogger imfErrorLogger = new IMFErrorLoggerImpl();
  Map<UUID, PayloadRecord> trackFileIDMap = new HashMap<>();
  for (PayloadRecord payloadRecord : headerPartitionPayloadRecords) {
    if (payloadRecord.getPayloadAssetType() != PayloadRecord.PayloadAssetType.EssencePartition) {
      imfErrorLogger.addError(IMFErrorLogger.IMFErrors.ErrorCodes.IMP_VALIDATOR_PAYLOAD_ERROR,
          IMFErrorLogger.IMFErrors.ErrorLevels.FATAL,
          String.format("Payload asset type is %s, expected asset type %s", payloadRecord.getPayloadAssetType(),
              PayloadRecord.PayloadAssetType.EssencePartition.toString()));
      continue;
    }
    HeaderPartition headerPartition = new HeaderPartition(new ByteArrayDataProvider(payloadRecord.getPayload()),
      0L,
      (long) payloadRecord.getPayload().length,
      imfErrorLogger);
    Preface preface = headerPartition.getPreface();
    GenericPackage genericPackage = preface.getContentStorage().getEssenceContainerDataList().get(0).getLinkedPackage();
    SourcePackage filePackage = (SourcePackage) genericPackage;
    UUID packageUUID = filePackage.getPackageMaterialNumberasUUID();
    trackFileIDMap.put(packageUUID, payloadRecord);
  }
  return Collections.unmodifiableMap(trackFileIDMap);
}

ResourceByteRangeProvider resourceByteRangeProvider = new ByteArrayByteRangeProvider(imfTrackFileMetadata.getHeaderPartition());
HeaderPartition headerPartition = new HeaderPartition(byteProvider, 0L, (long) imfTrackFileMetadata.getHeaderPartition().length, imfErrorLogger);

          ()), imfErrorLogger);
HeaderPartition headerPartition = new HeaderPartition(new ByteArrayDataProvider(payloadRecord.getPayload()),
  0L,
  (long) payloadRecord.getPayload().length,

          ()), imfErrorLogger);
HeaderPartition headerPartition = new HeaderPartition(new ByteArrayDataProvider(payloadRecord.getPayload()),
    0L,
    (long) payloadRecord.getPayload().length,

HeaderPartition headerPartition = null;
try {
  headerPartition = new HeaderPartition(byteProvider, inclusiveRangeStart, inclusiveRangeEnd - inclusiveRangeStart + 1, imfErrorLogger);

private List<ErrorObject> validateMxf(File mxf) {
  return doValidate(ErrorCodes.IMF_ESSENCE_COMPONENT_ERROR,
      imfErrorLogger -> {
        PayloadRecord headerPartitionPayloadRecord = getHeaderPartition(mxf, imfErrorLogger);
        if (!imfErrorLogger.getErrors().isEmpty() || (headerPartitionPayloadRecord == null)) {
          return imfErrorLogger.getErrors();
        }
        HeaderPartition headerPartition = new HeaderPartition(
            new ByteArrayDataProvider(headerPartitionPayloadRecord.getPayload()),
            0L,
            (long) headerPartitionPayloadRecord.getPayload().length,
            imfErrorLogger);
        MXFOperationalPattern1A.HeaderPartitionOP1A headerPartitionOP1A =
            MXFOperationalPattern1A.checkOperationalPattern1ACompliance(headerPartition);
        IMFConstraints.checkIMFCompliance(headerPartitionOP1A);
        return imfErrorLogger.getErrors();
      });
}

HeaderPartition headerPartition = new HeaderPartition(new ByteArrayDataProvider(payloadRecord.getPayload()),
    0L,
    (long) payloadRecord.getPayload().length,

  continue;
headerPartitionTuples.add(new Composition.HeaderPartitionTuple(new HeaderPartition(new ByteArrayDataProvider(payloadRecord.getPayload()),
    0L,
    (long) payloadRecord.getPayload().length,

headerPartition = new HeaderPartition(new ByteArrayDataProvider(payloadRecord.getPayload()),
  0L,
  (long)payloadRecord.getPayload().length,

HeaderPartition headerPartition = new HeaderPartition(new ByteArrayDataProvider(headerPartitionPayloadRecord.getPayload()),
    0L,
    (long) headerPartitionPayloadRecord.getPayload().length,