Example usage for com.google.gson GsonBuilder GsonBuilder

List of usage examples for com.google.gson GsonBuilder GsonBuilder

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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:blobstoretest.DownloadServlet.java

License:Apache License

/**
 * Serves a file by means a blobKey.//  w w  w  .jav  a2  s .c o  m
 */
@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
    String blobKey = req.getParameter("blobKey");
    if (blobKey == null) {

        ErrorResponse error = new ErrorResponse();
        error.setCode(HttpServletResponse.SC_BAD_REQUEST);
        ErrorMessage message = new ErrorMessage();
        message.setMessage("The Blobkey parameter is required");

        resp.setStatus(HttpServletResponse.SC_BAD_REQUEST);
        resp.setContentType("application/json");

        GsonBuilder builder = new GsonBuilder();
        Gson gson = builder.create();
        resp.getWriter().print(gson.toJson(error));

    } else {
        blobstore.serve(new BlobKey(blobKey), resp);
    }
}

From source file:blobstoretest.OAuthFilter.java

License:Apache License

@Override
public void doFilter(ServletRequest req, ServletResponse res, FilterChain chain)
        throws IOException, ServletException {
    try {/*from  www. j  a  va  2  s.c o m*/
        oauth.getCurrentUser();
        chain.doFilter(req, res);
    } catch (OAuthRequestException e) {

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

        HttpServletResponse httpRes = (HttpServletResponse) res;
        httpRes.setStatus(HttpServletResponse.SC_UNAUTHORIZED);
        httpRes.setContentType("application/json");

        ErrorResponse error = new ErrorResponse();
        error.setCode(HttpServletResponse.SC_UNAUTHORIZED);
        ErrorMessage message = new ErrorMessage();
        message.setMessage("This service requires authentication");

        httpRes.getWriter().print(gson.toJson(error));
    }
}

From source file:blobstoretest.UploadServlet.java

License:Apache License

/**
 * Registers the uploaded files in the Datastore.
 *//* ww w. j  a v  a 2  s .  c  o m*/
@Override
protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
    resp.setContentType("application/json");

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

    Map<String, List<BlobInfo>> blobs;
    try {
        blobs = blobstore.getBlobInfos(req);
    } catch (IllegalStateException e) {

        ErrorResponse error = new ErrorResponse();
        error.setCode(HttpServletResponse.SC_BAD_REQUEST);
        ErrorMessage message = new ErrorMessage();
        message.setMessage("Blobstore service illegal state");

        resp.setStatus(HttpServletResponse.SC_BAD_REQUEST);
        resp.getWriter().print(gson.toJson(error));
        return;
    }

    List<BlobInfo> infos = blobs.get("files");
    Iterable<FileData> files = Iterables.transform(infos, blobInfoToEntity());
    Iterable<Entity> entities = Iterables.transform(files, fileDataToEntity());

    datastore.put(entities);

    resp.setStatus(HttpServletResponse.SC_OK);
    resp.getWriter().print(gson.toJson(files));
}

From source file:blockplus.exports.ContextRepresentation.java

License:Open Source License

public ContextRepresentation(final Context game) {
    this.gson = new GsonBuilder().enableComplexMapKeySerialization()
            .registerTypeAdapter(Polyomino.class, new PolyominoSerializer())
            .registerTypeAdapter(IPosition.class, new PositionSerializer()).create();
    this.context = game;
}

From source file:blog.BlogHelper.java

License:Apache License

public static List<ImageHolder> loadImagesFrom(String pathname) {
    List<ImageHolder> imageHolders = new ArrayList<>();
    try {//from  w  w w.ja v  a  2  s . c  o m
        GsonBuilder gsonBuilder = new GsonBuilder();
        gsonBuilder.registerTypeAdapterFactory(new ClassTypeAdapterFactory());
        gsonBuilder.registerTypeAdapter(Class.class, new ClassTypeAdapter());
        Gson gson = gsonBuilder.create();
        imageHolders
                .addAll(gson.fromJson(FileUtils.readFileToString(new File(pathname), Charset.defaultCharset()),
                        new TypeToken<List<ImageHolder>>() {
                        }.getType()));
    } catch (IOException e) {
        e.printStackTrace();
    }

    return imageHolders;
}

From source file:blog.identify.IdentifyMultipleFacesExample.java

License:Apache License

private static List<ImageHolder> candidates() throws IOException {
    GsonBuilder gsonBuilder = new GsonBuilder();
    gsonBuilder.registerTypeAdapterFactory(new ClassTypeAdapterFactory());
    gsonBuilder.registerTypeAdapter(Class.class, new ClassTypeAdapter());
    Gson gson = gsonBuilder.create();/* ww w  .  jav  a  2  s  .com*/
    return gson.fromJson(
            FileUtils.readFileToString(new File("src/test/resources/blog/sets/love_hate_candidates.json"),
                    Charset.defaultCharset()),
            new TypeToken<List<ImageHolder>>() {
            }.getType());
}

From source file:bogdanrechi.lansator.MainWindow.java

License:Open Source License

/**
 * Load application configuration/*from   w  ww. j  a v a2 s  .c  o  m*/
 */
private void loadConfiguration() {
    GsonBuilder builder = new GsonBuilder();
    _mainWindow._gson = builder.serializeNulls().setPrettyPrinting().create();

    try {
        _mainWindow._config = _mainWindow._gson.fromJson(
                FileContent.readTextFile(Platform.CURRENT_DIRECTORY + "lansator.json"), Configuration.class);
    } catch (JsonSyntaxException | StringException e) {
        _mainWindow._log.fatal(e.getMessage());
        _mainWindow.displayFatalErrorAndExit("CANNOT_LOAD_CONFIGURATION_FILE");
    }
}

From source file:bogdanrechi.lansator.updater.App.java

License:Open Source License

public static void main(String[] args) {
    if (args.length != 1) {
        Console.println("Usage: LansatorUpdater path_to_lansator.json");
        return;//from w w w .  j  a  v  a 2s .  com
    }

    Configuration _config;

    GsonBuilder builder = new GsonBuilder();
    Gson _gson = builder.serializeNulls().setPrettyPrinting().create();

    try {
        _config = _gson.fromJson(FileContent.readTextFile(args[0]), Configuration.class);

        String imagesFolder = Files.getParent(args[0]) + Platform.FILE_SEPARATOR + "images";

        for (ProgramsGroupItem groupItem : _config.programsGroups) {
            setItemImageFile(imagesFolder, groupItem.imageFile, groupItem);

            for (ProgramItem programItem : groupItem.programs) {
                setItemImageFile(imagesFolder, programItem.imageFile, programItem);
            }
        }

        Console.println(_gson.toJson(_config) + "\r\n");

        FileContent.writeTextFile(_gson.toJson(_config) + "\r\n", args[0]);
    } catch (JsonSyntaxException | StringException e) {
        Console.println(e.getMessage());
    }
}

From source file:br.cefetmg.radar.services.Filter.java

/**
 * Processes requests for both HTTP <code>GET</code> and <code>POST</code>
 * methods./*from   w  ww  . ja  va2s. c  o  m*/
 *
 * @param request servlet request
 * @param response servlet response
 * @throws ServletException if a servlet-specific error occurs
 * @throws IOException if an I/O error occurs
 */
protected void processRequest(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {

    GsonBuilder b = new GsonBuilder();

    b.registerTypeAdapterFactory(HibernateProxyTypeAdapter.FACTORY);

    Gson gson = b.create();

    response.setContentType("text/json;charset=UTF-8");
    request.setCharacterEncoding("UTF-8");

    PrintWriter out = response.getWriter();

    try {
        IncidentDAO incidentDAO = new IncidentDAO();

        int aux1 = Integer.parseInt(request.getParameter("armed"));
        String armed = "";
        switch (aux1) {
        case -1:
            armed += "%";
            break;
        case 1:
            armed += "1";
            break;
        case 2:
            armed += "2";
            break;
        case 3:
            armed += "3";
            break;
        }

        int gender_id = Integer.parseInt(request.getParameter("gender"));
        String gender = "";
        switch (gender_id) {
        case 0:
            gender += "%' or i.user.gender is null";
            break;
        default:
            gender += Integer.toString(gender_id);
            gender += "'";
        }

        String violence = request.getParameter("violence");
        if (violence.equals("-1")) {
            violence = "false or i.violence = true";
        } else if (violence.equalsIgnoreCase("false")) {
            violence = "false";
        } else if (violence.equalsIgnoreCase("true")) {
            violence = "true";
        }
        int period = Integer.parseInt(request.getParameter("period"));
        String period_init = "";
        String period_end = "";

        switch (period) {
        case 0:
            period_init += "00:00";
            period_end += "23:59";
            break;
        case 1:
            period_init += "00:00";
            period_end += "05:59";
            break;
        case 2:
            period_init += "06:00";
            period_end += "11:59";
            break;
        case 3:
            period_init += "12:00";
            period_end += "17:59";
            break;
        case 4:
            period_init += "18:00";
            period_end += "23:59";
            break;
        }

        List<Incident> list = incidentDAO.filterIncidents(armed, gender, violence, period_init, period_end);

        ArrayList<Integer> incidents_id = new ArrayList<Integer>();

        for (int i = 0; i < list.size(); i++) {
            incidents_id.add(list.get(i).getId());
        }

        out.println(gson.toJson(incidents_id));

    } catch (Exception ex) {
        StringBuilder error = new StringBuilder();

        for (StackTraceElement element : ex.getStackTrace()) {
            error.append(element.toString());
            error.append("\n");
        }
        out.println(gson.toJson(new Result(Result.ERRO, error.toString())));
        response.setStatus(500);
    }
}

From source file:br.cefetmg.radar.services.GetColors.java

/**
 * Processes requests for both HTTP <code>GET</code> and <code>POST</code>
 * methods.// w w  w . j a  va2  s.c o  m
 *
 * @param request servlet request
 * @param response servlet response
 * @throws ServletException if a servlet-specific error occurs
 * @throws IOException if an I/O error occurs
 */
protected void processRequest(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    GsonBuilder b = new GsonBuilder();

    b.registerTypeAdapterFactory(HibernateProxyTypeAdapter.FACTORY);

    Gson gson = b.create();

    response.setContentType("text/json;charset=UTF-8");
    request.setCharacterEncoding("UTF-8");

    PrintWriter out = response.getWriter();
    try {
        ColorDAO colorDAO = new ColorDAO();

        List<Color> list = colorDAO.GetColors();

        for (int i = 0; i < list.size(); i++) {
            list.get(i).setUsers(null);
        }

        out.println(gson.toJson(list));

    } catch (Exception ex) {
        StringBuilder error = new StringBuilder();

        for (StackTraceElement element : ex.getStackTrace()) {
            error.append(element.toString());
            error.append("\n");
        }
        out.println(gson.toJson(new Result(Result.ERRO, error.toString())));
        response.setStatus(500);
    }

    out.close();
}