private boolean createGroup()

in services/src/main/java/org/apache/custos/service/federated/client/keycloak/KeycloakClient.java [1648:1699]
47 lines of code
19 McCabe index (conditional complexity)

    private boolean createGroup(Keycloak client, String realmId, String clientId, GroupRepresentation parentRepresentation) {

        if (parentRepresentation.getSubGroups() != null && !parentRepresentation.getSubGroups().isEmpty()) {
            List<GroupRepresentation> groupRepresentations = parentRepresentation.getSubGroups();
            if (groupRepresentations != null && !groupRepresentations.isEmpty()) {
                for (GroupRepresentation representation : groupRepresentations) {
                    Response createdRes = client.realm(realmId).groups().add(representation);
                    String id = getCreatedId(createdRes);
                    if (id != null) {
                        representation.setId(id);
                        Response response = client.realm(realmId).groups().group(parentRepresentation.getId()).subGroup(representation);
                        if (response.getStatus() == HttpStatus.SC_CREATED || response.getStatus() == HttpStatus.SC_NO_CONTENT) {
                            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);
                                }

                            }
                            createGroup(client, realmId, clientId, representation);
                        }
                        response.close();
                    }
                }
            }
        }
        return true;
    }