private void validateContent()

in src/main/java/com/epam/digital/data/platform/restapi/core/service/AbstractCsvProcessor.java [92:109]

• 17 lines of code
• 3 McCabe index (conditional complexity)

  private void validateContent(byte[] content, File fileDto) {
    log.info("Validating csv file content");
    var fileActualChecksum = DigestUtils.sha256Hex(content);
    if (!StringUtils.equals(fileActualChecksum, fileDto.getChecksum())) {
      throw new ChecksumInconsistencyException(
          String.format(
              "Checksum from ceph object (%s) and from request (%s) do not match. File id: '%s'",
              fileActualChecksum, fileDto.getChecksum(), fileDto.getId()));
    }

    CharsetDetector charsetDetector = new CharsetDetector(content.length);
    charsetDetector.setText(content);
    var encoding = charsetDetector.detectAll()[0].getName();
    if (!StringUtils.equals(encoding, StandardCharsets.UTF_8.name())) {
      throw new CsvFileEncodingException(
          "Wrong csv file encoding found instead of UTF-8: " + encoding);
    }
  }