Example usage for com.google.gson GsonBuilder create

Introduction

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

Prototype

public Gson create() 

Source Link

Document

Creates a Gson instance based on the current configuration.

Usage

From source file:blobstoretest.UploadServlet.java

License:Apache License

/**
 * Registers the uploaded files in the Datastore.
 *///from  ww  w  . ja v a2  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:blog.BlogHelper.java

License:Apache License

public static List<ImageHolder> loadImagesFrom(String pathname) {
    List<ImageHolder> imageHolders = new ArrayList<>();
    try {//from ww  w  . j  ava2s  .  co  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();
    return gson.fromJson(
            FileUtils.readFileToString(new File("src/test/resources/blog/sets/love_hate_candidates.json"),
                    Charset.defaultCharset()),
            new TypeToken<List<ImageHolder>>() {
            }.getType());/*  w w  w  .  j av  a2 s . c o  m*/
}

---

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

/**
 * Processes requests for both HTTP <code>GET</code> and <code>POST</code>
 * methods./*from  w  w  w  .  j  a va  2s  . co 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./*from  ww w.j ava 2s .c om*/
 *
 * @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();
}

---

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

/**
 * Processes requests for both HTTP <code>GET</code> and <code>POST</code>
 * methods.//from   w ww. j  av  a  2  s.  co 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 {
        GenderDAO genderDAO = new GenderDAO();

        List<Gender> list = genderDAO.GetGenders();

        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();
}

---

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

/**
 * Processes requests for both HTTP <code>GET</code> and <code>POST</code>
 * methods./*from w  w w  .  j av  a2 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 {
        ServiceDAO serviceDAO = new ServiceDAO();

        List<Incident> list = serviceDAO.GetServices();

        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();
}

---

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

/**
 * Processes requests for both HTTP <code>GET</code> and <code>POST</code>
 * methods.//www .j a va2s .com
 *
 * @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 {
        TransportDAO transportDAO = new TransportDAO();

        List<Incident> list = transportDAO.GetTransports();

        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();
}

---

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

/**
 * Processes requests for both HTTP <code>GET</code> and <code>POST</code>
 * methods./*from w ww . ja  v  a  2  s.co 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 {
    response.setContentType("text/json;charset=UTF-8");
    request.setCharacterEncoding("UTF-8");

    GsonBuilder b = new GsonBuilder();

    b.registerTypeAdapterFactory(HibernateProxyTypeAdapter.FACTORY);

    Gson gson = b.create();

    int iduser = Integer.parseInt(request.getParameter("id"));

    try (PrintWriter out = response.getWriter()) {
        try {
            UserDAO userDAO = new UserDAO();
            User user = userDAO.getById(iduser);

            if (user != null) {
                user.setIncidents(null);

                if (user.getColor() != null) {
                    user.getColor().setUsers(null);
                }

                if (user.getGender() != null) {
                    user.getGender().setUsers(null);
                }

                if (user.getLocations() != null) {
                    user.setLocations(null);
                }

                out.println(gson.toJson(user));
            } else {
                out.println(gson.toJson(new Result(Result.USER_NOT_FOUND)));
            }
        } 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.GetUserByUsername.java

/**
 * Processes requests for both HTTP <code>GET</code> and <code>POST</code>
 * methods./*  w  w  w . jav  a 2  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 {
        UserDAO userDAO = new UserDAO();

        String username = request.getParameter("username");

        User user = userDAO.getByUsername(username);

        if (user != null) {

            if (user.getColor() != null) {
                user.getColor().setUsers(null);
            }

            if (user.getGender() != null) {
                user.getGender().setUsers(null);
            }

            for (Incident i : user.getIncidents()) {
                i.setUser(null);
            }

            out.println(gson.toJson(user));
        } else {
            out.println(gson.toJson(new Result(Result.USER_DOESNT_EXISTS)));
            response.setStatus(404);
        }

    } 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);
    }
}

---

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