Example usage for com.google.gson GsonBuilder GsonBuilder

Introduction

In this page you can find the example usage for com.google.gson GsonBuilder GsonBuilder.

Prototype

public GsonBuilder() 

Source Link

Document

Creates a GsonBuilder instance that can be used to build Gson with various configuration settings.

Usage

From source file:alexandre.letteridentification.ListAction.java

@Override
public void execute(HttpServletRequest request, PrintWriter out) {
    try {/*w w w.  ja va2  s .c  om*/
        String type = request.getParameter("type");

        JsonArray list = new JsonArray();

        switch (type) {
        case "images_to_be_analyzed":

            String path = ActionServlet.path + "\\Images to be analyzed";

            File[] letters = new File(path).listFiles();

            for (int i = 0; i < letters.length; i++) {
                JsonObject letter_obj = new JsonObject();
                letter_obj.addProperty("letter", letters[i].getName());

                File[] drawings = new File(letters[i].getAbsolutePath() + "\\Drawings").listFiles();

                JsonArray list_drawings = new JsonArray();

                for (int j = 0; j < drawings.length; j++) {
                    BufferedImage im = ImageIO.read(drawings[j]);

                    ByteArrayOutputStream baos = new ByteArrayOutputStream();

                    ImageIO.write(im, "png", baos);
                    baos.flush();
                    byte[] data = baos.toByteArray();

                    baos.close();

                    String encodedImage = "data:image/png;base64," + Base64.getEncoder().encodeToString(data);

                    list_drawings.add(encodedImage);
                }

                letter_obj.add("drawings", list_drawings);

                File[] computer_vision = new File(letters[i].getAbsolutePath() + "\\Computer Vision")
                        .listFiles();

                JsonArray list_computer = new JsonArray();

                for (int j = 0; j < computer_vision.length; j++) {
                    BufferedImage im = ImageIO.read(computer_vision[j]);

                    ByteArrayOutputStream baos = new ByteArrayOutputStream();

                    ImageIO.write(im, "png", baos);
                    baos.flush();
                    byte[] data = baos.toByteArray();

                    baos.close();

                    String encodedImage = "data:image/png;base64," + Base64.getEncoder().encodeToString(data);

                    list_computer.add(encodedImage);
                }

                letter_obj.add("computer_vision", list_computer);

                list.add(letter_obj);
            }

            break;
        }

        JsonObject container = new JsonObject();
        container.add("list", list);
        Gson gson = new GsonBuilder().setPrettyPrinting().create();
        String json = gson.toJson(container);
        out.println(json);
    } catch (IOException ex) {
        Logger.getLogger(ListAction.class.getName()).log(Level.SEVERE, null, ex);
    }
}

---

From source file:alexandre.letteridentification.LoginAction.java

@Override
public void execute(HttpServletRequest request, PrintWriter out) {
    try {//from   w  w w. j a  v  a2s.  com
        HttpSession session = request.getSession();

        String email = request.getParameter("email");
        String password = request.getParameter("password");

        Administrator a = serv.findAdministratorByEmail(email);

        if (a != null) {
            if (password.equals(a.getPassword())) {
                session.setAttribute("administrator", a);

                JsonObject result = new JsonObject();

                result.addProperty("administrator", a.getId());
                result.addProperty("link", "administration.html");

                JsonObject container = new JsonObject();
                container.add("result", result);
                Gson gson = new GsonBuilder().setPrettyPrinting().create();
                String json = gson.toJson(container);
                out.println(json);
            } else {
                session.invalidate();
            }
        } else {
            session.invalidate();
        }
    } catch (Throwable ex) {
        Logger.getLogger(LoginAction.class.getName()).log(Level.SEVERE, null, ex);
    }
}

---

From source file:alexiil.node.core.GraphJson.java

public static void write(NodeGraph graph, OutputStream stream) throws IOException {
    List<INode> nodes = graph.getNodes();
    JsonGraph jsonGraph = new JsonGraph();
    jsonGraph.nodes = new JsonNode[nodes.size()];
    for (int nodeIndex = 0; nodeIndex < nodes.size(); nodeIndex++) {
        INode node = nodes.get(nodeIndex);
        JsonNode jNode = new JsonNode();
        jsonGraph.nodes[nodeIndex] = jNode;

        jNode.name = node.getName();/*from  www  .  j ava  2  s . c o  m*/
        jNode.registryPackage = node.getRegistry().packageName;
        jNode.tag = node.getTypeTag();

        if (node instanceof INodeAdditionalData) {
            INodeAdditionalData addNode = (INodeAdditionalData) node;
            String[] addData = addNode.addtionalData();
            String[] keys = addNode.dataKeys();
            jNode.extraData = new JsonEntry[addData.length];
            for (int i = 0; i < jNode.extraData.length; i++) {
                JsonEntry entry = new JsonEntry();
                jNode.extraData[i] = entry;
                entry.key = keys[i];
                entry.value = addData[i];
            }
        }

        Set<Entry<String, GraphConnection<?>>> inputs = node.getInputs().entrySet();
        Iterator<Entry<String, GraphConnection<?>>> inputIterator = inputs.iterator();
        jNode.inputs = new JsonInput[inputs.size()];

        for (int inputIndex = 0; inputIndex < jNode.inputs.length; inputIndex++) {
            JsonInput jInput = new JsonInput();
            jNode.inputs[inputIndex] = jInput;

            Entry<String, GraphConnection<?>> entry = inputIterator.next();
            jInput.inName = entry.getKey();
            jInput.outName = entry.getValue().connectedOutput.getName();
            jInput.otherNodeName = entry.getValue().connectedOutput.getNode().getName();
        }
    }
    String json = new GsonBuilder().setPrettyPrinting().create().toJson(jsonGraph);
    OutputStreamWriter writer = new OutputStreamWriter(stream);
    writer.write(json);
    writer.close();
}

---

From source file:alfio.manager.NotificationManager.java

License:Open Source License

@Autowired
public NotificationManager(Mailer mailer, MessageSource messageSource,
        PlatformTransactionManager transactionManager, EmailMessageRepository emailMessageRepository,
        EventRepository eventRepository, EventDescriptionRepository eventDescriptionRepository,
        OrganizationRepository organizationRepository, ConfigurationManager configurationManager,
        FileUploadManager fileUploadManager, TemplateManager templateManager,
        TicketReservationRepository ticketReservationRepository) {
    this.messageSource = messageSource;
    this.mailer = mailer;
    this.emailMessageRepository = emailMessageRepository;
    this.eventRepository = eventRepository;
    this.organizationRepository = organizationRepository;
    this.tx = new TransactionTemplate(transactionManager);
    this.configurationManager = configurationManager;
    GsonBuilder builder = new GsonBuilder();
    builder.registerTypeAdapter(Mailer.Attachment.class, new AttachmentConverter());
    this.gson = builder.create();
    attachmentTransformer = new EnumMap<>(Mailer.AttachmentIdentifier.class);

    attachmentTransformer.put(Mailer.AttachmentIdentifier.CALENDAR_ICS, (model) -> {
        Event event = eventRepository.findById(Integer.valueOf(model.get("eventId"), 10));
        Locale locale = Json.fromJson(model.get("locale"), Locale.class);
        String description = eventDescriptionRepository.findDescriptionByEventIdTypeAndLocale(event.getId(),
                EventDescription.EventDescriptionType.DESCRIPTION, locale.getLanguage()).orElse("");
        Organization organization = organizationRepository.getById(event.getOrganizationId());
        return event.getIcal(description, organization.getName(), organization.getEmail()).orElse(null);
    });//from w  ww .  j  ava  2 s  .  co m

    attachmentTransformer.put(Mailer.AttachmentIdentifier.RECEIPT_PDF, (model) -> {
        String reservationId = model.get("reservationId");
        Event event = eventRepository.findById(Integer.valueOf(model.get("eventId"), 10));
        Locale language = Json.fromJson(model.get("language"), Locale.class);

        Map<String, Object> reservationEmailModel = Json.fromJson(model.get("reservationEmailModel"),
                new TypeReference<Map<String, Object>>() {
                });
        //FIXME hack: reservationEmailModel should be a minimal and typed container
        reservationEmailModel.put("event", event);
        Optional<byte[]> receipt = TemplateProcessor.buildReceiptPdf(event, fileUploadManager, language,
                templateManager, reservationEmailModel);

        if (!receipt.isPresent()) {
            log.warn("was not able to generate the bill for reservation id " + reservationId + " for locale "
                    + language);
        }
        return receipt.orElse(null);
    });

    attachmentTransformer.put(Mailer.AttachmentIdentifier.TICKET_PDF, (model) -> {
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        Ticket ticket = Json.fromJson(model.get("ticket"), Ticket.class);
        try {
            TicketReservation reservation = ticketReservationRepository
                    .findReservationById(ticket.getTicketsReservationId());
            TicketCategory ticketCategory = Json.fromJson(model.get("ticketCategory"), TicketCategory.class);
            Event event = eventRepository.findById(ticket.getEventId());
            Organization organization = organizationRepository
                    .getById(Integer.valueOf(model.get("organizationId"), 10));
            PDFTemplateGenerator pdfTemplateGenerator = TemplateProcessor.buildPDFTicket(
                    Locale.forLanguageTag(ticket.getUserLanguage()), event, reservation, ticket, ticketCategory,
                    organization, templateManager, fileUploadManager);
            pdfTemplateGenerator.generate().createPDF(baos);
        } catch (IOException e) {
            log.warn("was not able to generate ticket pdf for ticket with id" + ticket.getId(), e);
        }
        return baos.toByteArray();
    });
}

---

From source file:allout58.mods.techtree.tree.TreeManager.java

License:Open Source License

public String getTreeAsString() {
    GsonBuilder gsonBuilder = new GsonBuilder();
    gsonBuilder.registerTypeAdapter(TechNode.class, new TechNodeGSON());
    Gson gson = gsonBuilder.create();//from  w  w  w  . j a va 2s  .  com

    TechNode[] nodes = currentTree.getRealNodes().toArray(new TechNode[currentTree.getNodes().size()]);
    return gson.toJson(nodes);
    //        return treeString;
}

---

From source file:allout58.mods.techtree.tree.TreeManager.java

License:Open Source License

public void makeFromReader(Reader reader) {
    GsonBuilder gsonBuilder = new GsonBuilder();
    gsonBuilder.registerTypeAdapter(TechNode.class, new TechNodeGSON());
    gsonBuilder.registerTypeAdapter(ItemStack.class, new ItemStackGSON());
    Gson gson = gsonBuilder.create();// www.  ja  va 2 s  . c  o  m

    TechNode[] nodes = gson.fromJson(reader, TechNode[].class);
    TechNode head = null;

    for (TechNode node : nodes) {
        if (node.getParentID().size() == 0) {
            head = node;
        } else {
            for (int parentID : node.getParentID()) {
                if (parentID == node.getId())
                    throw new RuntimeException("Tree node with a self-referencing parent: " + parentID);
                TechNode parent = nodes[parentID];
                node.addParentNode(parent);
                parent.addChildNode(node);
            }
        }
    }
    currentTree = new TechTree(head);
}

---

From source file:am.ik.categolj3.api.CategoLJ3ApiConfig.java

License:Apache License

@Bean
Gson gson() {//w  ww  . ja  va  2  s.c o m
    return new GsonBuilder().setDateFormat("yyyy-MM-dd'T'HH:mm:ssX").registerTypeAdapter(OffsetDateTime.class,
            (JsonDeserializer<OffsetDateTime>) (json, type, context) -> DateTimeFormatter.ISO_OFFSET_DATE_TIME
                    .parse(json.getAsString(), OffsetDateTime::from))
            .registerTypeAdapter(OffsetDateTime.class,
                    (JsonSerializer<OffsetDateTime>) (json, type,
                            context) -> new JsonPrimitive(DateTimeFormatter.ISO_OFFSET_DATE_TIME.format(json)))
            .create();
}

---

From source file:anakiou.com.picontrol.service.BaseService.java

License:Apache License

public PiserverApi prepareApi() {

    final Gson gson = new GsonBuilder().create();

    final Retrofit retrofit = new Retrofit.Builder().baseUrl(Constants.API_BASE_URL)
            .addConverterFactory(GsonConverterFactory.create(gson)).build();

    return retrofit.create(PiserverApi.class);
}

---

From source file:android.zetterstrom.com.forecast.ForecastClient.java

License:Apache License

private static Gson createGson() {
    final long MILLIS = 1000;
    GsonBuilder builder = new GsonBuilder();

    builder.registerTypeAdapter(Date.class, new JsonDeserializer<Date>() {
        public Date deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context)
                throws JsonParseException {
            return new Date(json.getAsJsonPrimitive().getAsLong() * MILLIS);
        }//from ww w .  j ava 2 s  .c  o m
    });

    return builder.create();
}

---

From source file:angularBeans.util.AngularBeansUtil.java

License:Open Source License

public String getJson(Object object) {

    if (object instanceof Properties) {
        return new Gson().toJson(object);
    }/*from w  w w  .j  a  va2 s  .c o m*/

    GsonBuilder builder = new GsonBuilder().serializeNulls();

    if (object == null) {
        return new GsonBuilder().serializeNulls().create().toJson(null);

    }

    Class clazz = object.getClass();

    builder.registerTypeAdapter(LobWrapper.class, new ByteArrayJsonAdapter(cache));

    Gson gson = builder.create();

    return gson.toJson(object);

}

---

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