Examples with TranslateMessage com.getstarted.background.objects.TranslateMessage used on opensource projects

Example 1 with TranslateMessage

use of com.getstarted.background.objects.TranslateMessage in project getting-started-java by GoogleCloudPlatform.

the class TranslateServlet method doGet.

// [START getting_started_background_app_list]
@Override
public void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
    Firestore firestore = (Firestore) this.getServletContext().getAttribute("firestore");
    CollectionReference translations = firestore.collection("translations");
    QuerySnapshot snapshot;
    try {
        snapshot = translations.limit(10).get().get();
    } catch (InterruptedException | ExecutionException e) {
        throw new ServletException("Exception retrieving documents from Firestore.", e);
    }
    List<TranslateMessage> translateMessages = Lists.newArrayList();
    List<QueryDocumentSnapshot> documents = Lists.newArrayList(snapshot.getDocuments());
    documents.sort(Comparator.comparing(DocumentSnapshot::getCreateTime));
    for (DocumentSnapshot document : Lists.reverse(documents)) {
        String encoded = gson.toJson(document.getData());
        TranslateMessage message = gson.fromJson(encoded, TranslateMessage.class);
        message.setData(decode(message.getData()));
        translateMessages.add(message);
    }
    req.setAttribute("messages", translateMessages);
    req.setAttribute("page", "list");
    req.getRequestDispatcher("/base.jsp").forward(req, resp);
}

Example 2 with TranslateMessage

use of com.getstarted.background.objects.TranslateMessage in project getting-started-java by GoogleCloudPlatform.

the class TranslateServlet method doPost.

// [END getting_started_background_app_list]
/**
 * Handle a posted message from Pubsub.
 *
 * @param req The message Pubsub posts to this process.
 * @param resp Not used.
 */
@Override
public void doPost(HttpServletRequest req, HttpServletResponse resp) throws IOException, ServletException {
    // Block requests that don't contain the proper verification token.
    String pubsubVerificationToken = PUBSUB_VERIFICATION_TOKEN;
    if (req.getParameter("token").compareTo(pubsubVerificationToken) != 0) {
        resp.setStatus(HttpServletResponse.SC_BAD_REQUEST);
        return;
    }
    // [START getting_started_background_translate_string]
    String body = req.getReader().lines().collect(Collectors.joining(System.lineSeparator()));
    PubSubMessage pubsubMessage = gson.fromJson(body, PubSubMessage.class);
    TranslateMessage message = pubsubMessage.getMessage();
    // Use Translate service client to translate the message.
    Translate translate = (Translate) this.getServletContext().getAttribute("translate");
    message.setData(decode(message.getData()));
    Translation translation = translate.translate(message.getData(), Translate.TranslateOption.sourceLanguage(message.getAttributes().getSourceLang()), Translate.TranslateOption.targetLanguage(message.getAttributes().getTargetLang()));
    // [END getting_started_background_translate_string]
    message.setTranslatedText(translation.getTranslatedText());
    try {
        // [START getting_started_background_translate]
        // Use Firestore service client to store the translation in Firestore.
        Firestore firestore = (Firestore) this.getServletContext().getAttribute("firestore");
        CollectionReference translations = firestore.collection("translations");
        ApiFuture<WriteResult> setFuture = translations.document().set(message, SetOptions.merge());
        setFuture.get();
        resp.getWriter().write(translation.getTranslatedText());
    // [END getting_started_background_translate]
    } catch (InterruptedException | ExecutionException e) {
        throw new ServletException("Exception storing data in Firestore.", e);
    }
}