public CompletionStage authenticate()

in folsom/src/main/java/com/spotify/folsom/authenticate/MultiAuthenticator.java [21:44]

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

  public CompletionStage<RawMemcacheClient> authenticate(RawMemcacheClient client) {
    final Iterator<? extends Authenticator> iterator = authenticators.iterator();
    CompletionStage<RawMemcacheClient> current = iterator.next().authenticate(client);

    while (iterator.hasNext()) {
      final Authenticator authenticator = iterator.next();
      current =
          current
              .handle(
                  (ignore, throwable) -> {
                    if (throwable == null) {
                      return CompletableFuture.completedFuture(client);
                    }
                    if (throwable.getCause() instanceof MemcacheAuthenticationException) {
                      return authenticator.authenticate(client);
                    }
                    CompletableFuture<RawMemcacheClient> result = new CompletableFuture<>();
                    result.completeExceptionally(throwable);
                    return result;
                  })
              .thenCompose(stage -> stage);
    }
    return current;
  }