HGraphQLService.java 文件源码

private Model getModelFromRemote(String graphQlQuery) {

        ObjectMapper mapper = new ObjectMapper();

        ObjectNode bodyParam = mapper.createObjectNode();

//        bodyParam.set("operationName", null);
//        bodyParam.set("variables", null);
        bodyParam.put("query", graphQlQuery);

        Model model = ModelFactory.createDefaultModel();

        try {
            HttpResponse<InputStream> response = Unirest.post(url)
                    .header("Accept", "application/rdf+xml")
                    .body(bodyParam.toString())
                    .asBinary();

            model.read(response.getBody(), "RDF/XML");

        } catch (UnirestException e) {
            e.printStackTrace();
        }

        return model;
    }