static List parseSearchResultsResponse()

in genie-client/src/main/java/com/netflix/genie/client/GenieClientUtils.java [145:178]

30 lines of code
10 McCabe index (conditional complexity)


    static <T> List<T> parseSearchResultsResponse(
        final Response<JsonNode> response,
        final String searchResultKey,
        final Class<T> clazz
    ) throws IOException {
        if (!response.isSuccessful()) {
            throw new GenieClientException(
                "Search failed due to "
                    + (response.errorBody() == null ? response.message() : response.errorBody().toString())
            );
        }

        // Request returned some 2xx
        final JsonNode body = response.body();
        if (body == null || body.getNodeType() != JsonNodeType.OBJECT) {
            return Lists.newArrayList();
        }
        final JsonNode embedded = body.get("_embedded");
        if (embedded == null || embedded.getNodeType() != JsonNodeType.OBJECT) {
            // Kind of an invalid response? Could return error or just swallow?
            return Lists.newArrayList();
        }
        final JsonNode searchResultsJson = embedded.get(searchResultKey);
        if (searchResultsJson == null || searchResultsJson.getNodeType() != JsonNodeType.ARRAY) {
            return Lists.newArrayList();
        }

        final List<T> searchList = new ArrayList<>();
        for (final JsonNode searchResultJson : searchResultsJson) {
            final T searchResult = GenieClientUtils.treeToValue(searchResultJson, clazz);
            searchList.add(searchResult);
        }
        return searchList;
    }