How to use

ChunkedFileUploadRemoteOperation

in

com.owncloud.android.lib.resources.files

  private boolean test(List<Chunk> existingChunks, List<Chunk> expectedMissingChunks, long chunkSize, long length) {
    ChunkedFileUploadRemoteOperation sut = new ChunkedFileUploadRemoteOperation(null, null, null, null, null, null,
                                          false);

    List<Chunk> missingChunks = sut.checkMissingChunks(existingChunks, length, chunkSize);

    assertEquals(expectedMissingChunks.size(), missingChunks.size());

    for (Chunk expectedMissingChunk : expectedMissingChunks) {
      assertTrue(missingChunks.contains(expectedMissingChunk));
    }

    return true;
  }
}

List<Chunk> checkMissingChunks(List<Chunk> chunks, long length, long chunkSize) {
  List<Chunk> missingChunks = new ArrayList<>();
  long start = 0;
  while (start <= length) {
    Chunk nextChunk = findNextFittingChunk(chunks, start, chunkSize);
    if (nextChunk == null) {
      // create new chunk
      long end;
      if (start + chunkSize <= length) {
        end = start + chunkSize - 1;
      } else {
        end = length;
      }
      missingChunks.add(new Chunk(start, end));
      start = end + 1;
    } else if (nextChunk.start == start) {
      // go to next
      start = start + nextChunk.length();
    } else {
      // fill the gap
      missingChunks.add(new Chunk(start, nextChunk.start - 1));
      start = nextChunk.start;
    }
  }
  return missingChunks;
}

  List<Chunk> missingChunks = checkMissingChunks(chunksOnServer, file.length(), chunkSize);
    RemoteOperationResult chunkResult = uploadChunk(client, uploadFolderUri, missingChunk);
  int moveResult = client.executeMethod(moveMethod);
  result = new RemoteOperationResult(isSuccess(moveResult), moveMethod);
} catch (Exception e) {
  if (putMethod != null && putMethod.isAborted()) {

putMethod = createPutMethod(chunkUri);
result = new RemoteOperationResult(isSuccess(status), putMethod);