private static AzureADToken getTokenCall()

in src/main/java/com/microsoft/azure/datalake/store/oauth2/AzureADAuthenticator.java [195:234]

38 lines of code
11 McCabe index (conditional complexity)


    private static AzureADToken getTokenCall(String authEndpoint, String body, Hashtable<String, String> headers, String httpMethod, RetryPolicy retryPolicy)
            throws IOException {
        AzureADToken token = null;

        RetryPolicy retryPolicyUsed;
        retryPolicyUsed = (retryPolicy != null) ?
                retryPolicy : new ExponentialBackoffPolicy(3, 0, 1000, 2);

        int httperror = 0;
        String requestId;
        String httpExceptionMessage = null;
        IOException ex = null;
        boolean succeeded = false;
        String clientRequestId = UUID.randomUUID().toString();
        int retryCount = 0;
        if(headers == null){
            headers = new Hashtable<String, String>();
        }
        do {
            httperror = 0;
            ex = null;
            try {
                headers.put("client-request-id", clientRequestId + "."+retryCount);
                token = getTokenSingleCall(authEndpoint, body, headers, httpMethod);
                retryCount++;
            } catch (HttpException e) {
                httperror = e.httpErrorCode;
                requestId = e.requestId;
                httpExceptionMessage = e.getMessage();
            }  catch (IOException e) {
                ex = e;
            }
            succeeded = ((httperror == 0) && (ex == null));
        } while (!succeeded && retryPolicyUsed.shouldRetry(httperror, ex));
        if (!succeeded) {
            if (ex != null) throw ex;
            if (httperror!=0) throw new IOException(httpExceptionMessage);
        }
        return token;
    }