public E retrieve()

in core/src/main/java/com/microsoft/alm/auth/BaseAuthenticator.java [223:275]
35 lines of code
9 McCabe index (conditional complexity)

        public E retrieve(final String key, final SecretStore<E> store,
                                                final PromptBehavior promptBehavior) {
            logger.debug("Retrieving secret with key: {}, and prompt behavior: {}.", key, promptBehavior.name());

            E secret = null;
            if (promptBehavior != PromptBehavior.ALWAYS) {
                // Not ALWAYS prompt, so let's read from the store for any cached secret
                logger.debug("Reading secret from store for key: {}", key);
                secret = readFromStore(key, store);

                if (secret != null) {
                    final AtomicReference<E> secretHolder = new AtomicReference<E>();
                    secretHolder.set(secret);

                    // Verify this secret is valid
                    if (tryGetValidated(secret, secretHolder)) {
                        final E validatedSecret = secretHolder.get();

                        // The secret maybe different now, e.g. we could use the refresh token to generate
                        // a new Access Token
                        if (!validatedSecret.equals(secret)) {
                            store.delete(key);
                            store.add(key, validatedSecret);

                            secret = validatedSecret;
                        }
                    } else {
                        secret = null;
                        // Remove the invalid secret from store
                        store.delete(key);
                    }
                }
            }

            if (promptBehavior == PromptBehavior.NEVER) {
                // NEVER prompt, return what we got from the store and call it done
                logger.debug("Returning whatever we retrieved from the store, do not prompt.");
                return secret;
            }

            if (promptBehavior == PromptBehavior.ALWAYS
                    || (secret == null && promptBehavior == PromptBehavior.AUTO)) {
                // Either ALWAYS prompt, or we don't have any secret cached for this key
                // AUTO-retrieves when necessary
                logger.debug("Retrieving secret.");
                secret = doRetrieve();

                // Store it so we don't have to retrieve again
                store(key, store, secret);
            }

            return secret;
        }