Example usage for com.google.gson GsonBuilder GsonBuilder

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

  1. HOME
  2. Java
  3. com.google.gson
  4. com.google.gson.*
  5. GsonBuilder
  6. 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:br.cefetmg.radar.services.GetGenders.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 {
        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.// w  ww  .j av  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 {
        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 .  ja v  a2  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 {
        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  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 {
    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./*from w w  w. j a  v a2s  .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 {
        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);
    }
}

From source file:br.com.anteros.social.facebook.utils.JsonUtils.java

License:Apache License

private static Gson buildGson() {
    Gson gson = new GsonBuilder().registerTypeAdapter(Date.class, new DateTypeAdapter()).create();
    return gson;//ww  w .j a  va 2  s.  c  om
}

From source file:br.com.anteros.social.facebook.utils.JsonUtils.java

License:Apache License

public static <T> T fromJsonExcludeFields(String json, Class<T> cls) {
    Gson gson = new GsonBuilder().excludeFieldsWithoutExposeAnnotation().create();

    JsonParser parser = new JsonParser();
    JsonElement element = parser.parse(json);

    if (cls.isArray() && element instanceof JsonArray == false) {
        JsonArray jsonArray = new JsonArray();
        jsonArray.add(element);//from   w  w w.  ja  va 2  s.c  o m

        Type listType = new TypeToken<T>() {
        }.getType();
        return gson.fromJson(jsonArray, listType);
    }

    return gson.fromJson(json, cls);
}

From source file:br.com.ateliens.service.CadastroEnderecos.java

public Endereco buscarEnderecoPor(String urlJson) {
    System.out.println("CHAMOU O SERVIO....");

    final GsonBuilder gsonBuilder = new GsonBuilder();
    final Gson gson = gsonBuilder.create();
    Gson g = new Gson();
    Endereco retornoEndereco = gson.fromJson(urlJson, Endereco.class);
    return retornoEndereco;

}

From source file:br.com.bean.RestControllers.alunoController.java

@RequestMapping(value = "busca-alunos", method = RequestMethod.GET)
public String get() throws ParseException {
    Session sessao = HibernateUtility.getSession();
    Transaction transacao = sessao.beginTransaction();
    try {//from  w ww .  ja  va  2 s  .  c o  m
        Criteria query = sessao.createCriteria(Aluno.class);
        Criterion ativo = Restrictions.eq("ativo", 1);
        query.add(ativo);
        List<Aluno> listaDeAlunos = query.list();
        Type TipolistaDeAlunos = new TypeToken<List<Aluno>>() {
        }.getType();
        Gson gson = new GsonBuilder().registerTypeAdapter(Collection.class, new CollectionDeserializer())
                .create();
        return gson.toJson(listaDeAlunos, TipolistaDeAlunos);
    } catch (HibernateException e) {
        transacao.rollback();
        return null;
    }
}

From source file:br.com.bean.RestControllers.faculdadeController.java

@RequestMapping(value = "busca-faculdades", method = RequestMethod.GET)
public String get() throws ParseException {
    Session sessao = HibernateUtility.getSession();
    Transaction transacao = sessao.beginTransaction();
    try {/*w w w. j  a  v a2s .com*/
        Criteria query = sessao.createCriteria(Faculdade.class);
        Criterion ativo = Restrictions.eq("ativo", 1);
        query.setResultTransformer(DistinctRootEntityResultTransformer.INSTANCE);
        query.add(ativo);
        List<Faculdade> listaDeFaculdades = query.list();
        // Retira Referencia Circular
        for (Faculdade f : listaDeFaculdades) {
            f.setTurmas(null);
        }
        Type TipolistaDeFaculdades = new TypeToken<List<Faculdade>>() {
        }.getType();
        Gson gson = new GsonBuilder().registerTypeAdapter(Collection.class, new CollectionDeserializer())
                .create();
        String faculdades = gson.toJson(listaDeFaculdades, TipolistaDeFaculdades);
        return faculdades;
    } catch (HibernateException e) {
        transacao.rollback();
        return null;
    } catch (Exception e) {
        String erro = e.getMessage();
        return null;
    } finally {
        sessao.close();
    }
}