private Authenticator getAuthenticator()

in folsom/src/main/java/com/spotify/folsom/MemcacheClientBuilder.java [624:652]

28 lines of code
6 McCabe index (conditional complexity)


  private Authenticator getAuthenticator(Authenticator defaultValue) {
    if (skipAuth) {
      if (!passwords.isEmpty()) {
        throw new IllegalStateException(
            "You may not specify both withoutAuthenticationValidation() and withUsernamePassword()");
      }
      return NoAuthenticationValidation.getInstance();
    }
    if (passwords.isEmpty()) {
      return defaultValue;
    }

    if (defaultValue instanceof BinaryAuthenticationValidator) {
      List<PlaintextAuthenticator> authenticatorList =
          passwords
              .stream()
              .map(UsernamePasswordPair::getPlainTextAuthenticator)
              .collect(Collectors.toList());
      return new MultiAuthenticator(authenticatorList);
    } else if (defaultValue instanceof AsciiAuthenticationValidator) {
      List<AsciiAuthenticator> authenticatorList =
          passwords
              .stream()
              .map(UsernamePasswordPair::getAsciiAuthenticator)
              .collect(Collectors.toList());
      return new MultiAuthenticator(authenticatorList);
    }
    throw new IllegalStateException("Only ASCII and binary protocols support authentication.");
  }