GraphQL Post - Connection DataFetcher

GenericConnectionDataFetcher.java

@Override
public Object get(DataFetchingEnvironment environment) {
    List<Object> list = new ArrayList<>();
    Map page = (Map) restService.restRequest(getURI(), true);

    while (page != null){

        List results = (List) page.get("results");
        String next = (String) page.get("next");

        for (Object r : results){
            list.add(r);
        }
        page = null;

        if (next != null) {
            page = (Map) restService.restRequest(next, false);
        }
    }

    if (list != null) {
        // Return a Connection object
        return new SimpleListConnection(list).get(environment);
    }

    return null;
}