public List createGroups()

in services/src/main/java/org/apache/custos/service/federated/client/keycloak/KeycloakClient.java [1216:1283]
57 lines of code
15 McCabe index (conditional complexity)

    public List<GroupRepresentation> createGroups(String realmId, String clientId, String clientSec, List<GroupRepresentation> groupRepresentations) {
        try (Keycloak client = getClient(iamServerURL, superAdminRealmID, superAdminUserName, superAdminPassword)) {
            List<GroupRepresentation> representationList = new ArrayList<>();

            for (GroupRepresentation representation : groupRepresentations) {
                Response response = client.realm(realmId).groups().add(representation);

                if (response.getStatus() == HttpStatus.SC_CREATED) {
                    String id = getCreatedId(response);

                    if (representation.getRealmRoles() != null && !representation.getRealmRoles().isEmpty()) {
                        List<RoleRepresentation> roleRepresentation = new ArrayList<>();
                        for (String role : representation.getRealmRoles()) {
                            RoleResource resource = client.realm(realmId).roles().get(role);
                            if (resource != null) {
                                roleRepresentation.add(resource.toRepresentation());
                            }
                        }
                        if (!roleRepresentation.isEmpty()) {
                            client.realm(realmId).groups().group(id).roles().realmLevel().add(roleRepresentation);
                        }

                    }

                    if (representation.getClientRoles() != null && !representation.getClientRoles().isEmpty()) {
                        List<RoleRepresentation> clientRepresentations = new ArrayList<>();
                        ClientRepresentation clientRepresentation =
                                client.realm(realmId).clients().findByClientId(clientId).get(0);
                        for (String role : representation.getClientRoles().get(clientId)) {

                            RoleResource resource = client.realm(realmId).clients().get(clientRepresentation.getId()).roles().get(role);

                            if (resource != null) {
                                clientRepresentations.add(resource.toRepresentation());
                            }
                        }
                        if (!clientRepresentations.isEmpty()) {
                            client.realm(realmId).groups().group(id).roles().
                                    clientLevel(clientRepresentation.getId()).add(clientRepresentations);
                        }

                    }

                    representation.setId(id);
                    this.createGroup(client, realmId, clientId, representation);
                    response.close();
                    GroupRepresentation savedRep = client.realm(realmId).groups().group(representation.getId()).toRepresentation();
                    representationList.add(savedRep);
                    return representationList;

                } else if (response.getStatus() == HttpStatus.SC_UNAUTHORIZED) {
                    String msg = "Error occurred while creating group, reason: HTTP " + response.getStatus() + " Unauthorized";
                    LOGGER.error(msg);
                    throw new RuntimeException(msg);

                } else {
                    String msg = "Error occurred while creating group, reason: HTTP  " + response.getStatus();
                    LOGGER.error(msg);
                    throw new RuntimeException(msg);
                }
            }
        } catch (Exception ex) {
            String msg = "Error occurred while creating group, reason: " + ex.getMessage();
            LOGGER.error(msg, ex);
            throw new RuntimeException(msg, ex);
        }
        return null;
    }