private Token getToken()

in core/src/main/java/com/microsoft/alm/auth/pat/VstsPatAuthenticator.java [145:203]
47 lines of code
6 McCabe index (conditional complexity)

    private Token getToken(final URI uri, final boolean isCreatingGlobalPat,
                           final VsoTokenScope tokenScope, final String patDisplayName,
                           final PromptBehavior promptBehavior, final TokenPair oauth2Token) {
        Debug.Assert(uri != null, "uri cannot be null");
        Debug.Assert(promptBehavior != null, "promptBehavior cannot be null");

        logger.info("Retrieving PersonalAccessToken for uri:{} with name:{}, and with scope:{}, prompt behavior: {}",
                uri, patDisplayName, tokenScope, promptBehavior.name());

        final String key = getKey(uri);
        Debug.Assert(key != null, "Failed to convert uri to key");

        final SecretRetriever<Token> secretRetriever = new SecretRetriever<Token>() {
            @Override
            protected boolean tryGetValidated(final Token token, final AtomicReference<Token> holder) {
                Debug.Assert(token != null, "Token is null");
                Debug.Assert(holder != null, "Holder is null");

                final URI validationEndpoint = URI.create(uri + "/_apis/connectionData");
                boolean valid = false;

                if (token.Value != null) {
                    final HttpClient client = Global.getHttpClientFactory().createHttpClient();
                    token.contributeHeader(client.getHeaders());
                    try {
                        client.getGetResponseText(validationEndpoint);
                        valid = true;
                    } catch (IOException e) {
                        logger.debug("Validation failed with IOException.", e);
                    }
                }

                logger.debug("Personal Access Token is {}.", valid ? "valid" : "invalid.");
                return valid;
            }

            @Override
            protected Token doRetrieve() {
                final TokenPair tokenPair = (oauth2Token == null)
                        ? vstsOauthAuthenticator.getOAuth2TokenPair(uri, promptBehavior.AUTO)
                        : oauth2Token;

                if (tokenPair == null) {
                    // authentication failed, return null
                    logger.debug("Failed to get an OAuth2 token, cannot generate PersonalAccessToken.");
                    return null;
                }
                logger.debug("Got OAuth2 token, retrieving Personal Access Token with it.");

                final URI accountSpecificUri = createAccountSpecificUri(uri, tokenPair);
                final Token pat = vsoAzureAuthority.generatePersonalAccessToken(accountSpecificUri, tokenPair.AccessToken,
                        tokenScope, true, isCreatingGlobalPat, patDisplayName);

                return pat;
            }
        };

        return secretRetriever.retrieve(key, getStore(), promptBehavior);
    }