Simple search dunnnn

    @GetMapping(value = "/restQueryDoc", produces = MediaType.APPLICATION_JSON_VALUE)

    public ResponseEntity<ArrayList<ConfidenceFitness>> restQueryDoc(@RequestParam("query_string") String query_string) {

        byte[] ba = null;

        ArrayList<ConfidenceFitness> alcf = new ArrayList<>();

        query_string = query_string.replace(" ", "%20");  // a space is changed to the HTML code %20 to prevent error

        JsonNode actualObj = null;

            HttpResponse response = httpClient.execute(request);

            System.out.println(response.toString());

            HttpEntity e = response.getEntity();

            String content = IOUtils.toString(my_uri); // please provide code using IOUtils.toString method to get content (how?)

            ByteArrayOutputStream baos = new ByteArrayOutputStream();

            response.getEntity().writeTo(baos);

            ba = baos.toByteArray();              // provide the code to get byte[]

            String content = IOUtils.toString(ba, "UTF-8"); // please provide code using IOUtils.toString method to get content (how?)

            System.out.println("content: " + content);

            ObjectMapper mapper = new ObjectMapper();

            actualObj = mapper.readTree(content);

                    // provide code to complete the content for the cf object

                    cf.setConfidence(jn.get("confidence").asDouble());

                    cf.setFitness(jn.get("fitness").asDouble());

                    //System.out.println(cf.getUri() + "\n" + cf.getConfidence() + "\n" + cf.getFitness());

                    alcf.add(cf);

                }

            }