Fixing CTS organization in controller

    @GetMapping(value = "/restQueryDocShow")

    public String restQueryDocShow() { return "restQueryDoc"; }

    @PostMapping(value = "/restCTSQueryDocShow")

    @GetMapping(value = "/restCTSQueryDocShow")

    public String restCTSQueryDocShow() { return "restCTSQueryDoc"; }

    @PostMapping(value = "/restCTSQueryDoc")

    public ResponseEntity<ArrayList<ConfidenceFitness>> restQueryCTSDocShow(@RequestParam("cts_query_string") String cts_query_string)

    {

        byte[] ba = null;

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

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

        JsonNode actualObj = null;

        try

        {

            CredentialsProvider provider = new BasicCredentialsProvider();

            Credentials credentials = new UsernamePasswordCredentials("admin", "admin");  // provide username & password

            provider.setCredentials(AuthScope.ANY, credentials);

            HttpClient httpClient = HttpClientBuilder.create().setDefaultCredentialsProvider(provider).build();

            String uri = "http://192.168.56.200:8000/LATEST/search?q=" + cts_query_string;      // provide the REST API URI

            URI my_uri = new URI(uri);

            HttpUriRequest request = RequestBuilder.get()

                    .setUri(my_uri)

                    .setHeader(HttpHeaders.ACCEPT, "application/json")

                    .build();

            HttpResponse response = httpClient.execute(request);

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

            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);

            if (actualObj.get("results") != null)

            {

                JsonNode doc_array = actualObj.get("results");

                for (JsonNode jn : doc_array)

                {

                    ConfidenceFitness cf = new ConfidenceFitness();

                    cf.setUri(jn.get("uri").asText());

                    // 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);

                }

            }

        }

        catch (IOException | URISyntaxException ex)

        {

            Logger.getLogger(MLRestController.class.getName()).log(Level.SEVERE, null, ex);

        }

        return ResponseEntity.accepted().body(alcf);

    }

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