public Map getClustersList()

in src/main/java/org/apache/pulsar/manager/service/impl/ClustersServiceImpl.java [52:98]
47 lines of code
6 McCabe index (conditional complexity)

    public Map<String, Object> getClustersList(Integer pageNum,
                                               Integer pageSize,
                                               String envServiceUrl,
                                               Function<String, String> serviceUrlProvider) {
        Map<String, Object> clustersMap = Maps.newHashMap();
        List<Map<String, Object>> clustersArray = new ArrayList<>();
        if (directRequestBroker) {
            List<String> clustersList;
            try {
                clustersList = pulsarAdminService.clusters(envServiceUrl).getClusters();
            } catch (PulsarAdminException e) {
                PulsarAdminOperationException pulsarAdminOperationException
                        = new PulsarAdminOperationException("Failed to get clusters list.");
                log.error(pulsarAdminOperationException.getMessage(), e);
                throw pulsarAdminOperationException;
            }
            for (String cluster: clustersList) {
                String clusterServiceUrl =
                    serviceUrlProvider == null ? envServiceUrl : serviceUrlProvider.apply(cluster);
                Map<String, Object> clusterEntity = Maps.newHashMap();
                Map<String, Object> brokers =
                    brokersService.getBrokersList(1, 1, cluster, clusterServiceUrl);
                clusterEntity.put("brokers", brokers.get("total"));
                clusterEntity.put("cluster", cluster);
                ClusterData clusterData;
                try {
                    clusterData = pulsarAdminService.clusters(clusterServiceUrl).getCluster(cluster);
                } catch (PulsarAdminException e) {
                    PulsarAdminOperationException pulsarAdminOperationException
                            = new PulsarAdminOperationException("Failed to get cluster data.");
                    log.error(pulsarAdminOperationException.getMessage(), e);
                    throw pulsarAdminOperationException;
                }
                clusterEntity.put("serviceUrl", clusterData.getServiceUrl());
                clusterEntity.put("serviceUrlTls", clusterData.getServiceUrlTls());
                clusterEntity.put("brokerServiceUrl", clusterData.getBrokerServiceUrl());
                clusterEntity.put("brokerServiceUrlTls", clusterData.getBrokerServiceUrlTls());
                clustersArray.add(clusterEntity);
            }
            clustersMap.put("isPage", false);
            clustersMap.put("total", clustersArray.size());
            clustersMap.put("data", clustersArray);
            clustersMap.put("pageNum", 1);
            clustersMap.put("pageSize", clustersArray.size());
        }
        return clustersMap;
    }