After cleaning up exception handling

CleanerException.java

    public boolean isJobReady(DataSource dataSource, DateTime batchDate, Map<String, String> params)
            throws BatchJobFailureException {

        String alphaBatchId = params.get("batchId");
        checkNotNull(alphaBatchId, "batchId is required to check status of a Blorp batch");

        BlorpAlphaClient client = lookupClient(dataSource);

        BatchResponse response;
        try {
            response = client.status(alphaBatchId);
        } catch (IOException e) {
            // Having a "temporary" communication problem. Try again, later.
            log.exception("Alpha batchId={}, status=unknown, communication problem: {}", e, alphaBatchId, e.getMessage());
            return false;
        }

        boolean isJobComplete = batchQueryStatusCompleted(alphaBatchId, response.status);

        logJobStatusCheck(alphaBatchId, response.status, String.valueOf(isJobComplete));

        return isJobComplete;
    }

    public static boolean batchQueryStatusCompleted(String alphaBatchId, String status) throws BatchJobFailureException {

        switch (status.toLowerCase()) {
            case RESPONSE_SUBMITTED:
            case RESPONSE_EXECUTING:
                return false;

            case RESPONSE_COMPLETED:
                return true;

            case RESPONSE_ERROR:
            case RESPONSE_ABORTED:
            case RESPONSE_CANCELLED:

                logJobStatusCheck(alphaBatchId, status, "failed");

                throw new BatchJobFailureException("Zuora failed to complete batch job. status=" + status);

            default:
                // Might be better to throw an exception here.
                return false;
        }
    }