private LuisResponse call()

in documentation-samples/quickstarts/change-model/java/AddUtterances.java [89:122]

• 24 lines of code
• 4 McCabe index (conditional complexity)

        private LuisResponse call(String endpoint, String method, byte[] data) throws Exception {

            // initialize HTTP connection
            URL url = new URL(this.host + this.path + endpoint);

            HttpURLConnection conn = (HttpURLConnection)url.openConnection();
            conn.setRequestMethod(method);
            conn.setRequestProperty("Ocp-Apim-Subscription-Key", key);

            // handle POST request
            if (method.equals(POST)) {
                if (data == null)
                        data = new byte[]{};    // make zero-length body for POST w/o data
                conn.setDoOutput(true);
                conn.setRequestProperty("Content-Type", "application/json");
                conn.setRequestProperty("Content-Length", Integer.toString(data.length));
                try (OutputStream ostream = conn.getOutputStream()) {
                    ostream.write(data, 0, data.length);
                }
            }

            // Get response from API call.  If response is an HTTP error, the JSON
            // response is on the error string.  Otherwise, it's on the input string.
            InputStream stream;
            try {
                stream = conn.getInputStream();
            } catch (IOException ex) {
                stream = conn.getErrorStream();
            }
            String body = new Scanner(stream, UTF8).useDelimiter("\\A").next();

            return new LuisResponse(body, conn.getResponseCode(), conn.getResponseMessage());

        }