public IndexInput openInput()

in encryption/src/main/java/org/apache/solr/encryption/EncryptionDirectory.java [251:272]

• 19 lines of code
• 4 McCabe index (conditional complexity)

  public IndexInput openInput(String fileName, IOContext context) throws IOException {
    IndexInput indexInput = in.openInput(fileName, context);
    if (!shouldCheckEncryptionWhenReading) {
      // Return the IndexInput directly as we know it is not encrypted.
      return indexInput;
    }
    boolean success = false;
    try {
      String keyRef = getKeyRefForReading(indexInput);
      if (keyRef != null) {
        // The IndexInput has to be wrapped to be decrypted with the key.
        indexInput = new DecryptingIndexInput(indexInput, getKeySecret(keyRef), encrypterFactory);
      }
      success = true;
    } finally {
      if (!success) {
        // Something went wrong. Close the IndexInput before the exception continues.
        IOUtils.closeWhileHandlingException(indexInput);
      }
    }
    return indexInput;
  }