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:be.uantwerpen.dc.studyassistant.StudyAssistant.java

/**
 * Processes requests for both HTTP <code>GET</code> and <code>POST</code>
 * methods./*from  w ww. j  av  a 2s  . 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/html;charset=UTF-8");

    String urlPath = request.getServletPath();

    if (urlPath.equalsIgnoreCase("/resources")) {

        ArrayList<Environment> lcs = this.getEnvironmentResources();

        Integer min = Integer.MAX_VALUE;
        Integer max = Integer.MIN_VALUE;
        for (Environment e : lcs) {
            if (e.getArduinoloudness() != null && e.getArduinoloudness() < min) {
                min = e.getArduinoloudness();
            }
            if (e.getArduinoloudness() != null && e.getArduinoloudness() > max) {
                max = e.getArduinoloudness();
            }
        }

        try (PrintWriter out = response.getWriter()) {
            /* TODO output your page here. You may use following sample code. */
            out.println("<!DOCTYPE html>");
            out.println("<html>");
            out.println("<head>");
            out.println("<title>Servlet StudyAssistant</title>");
            out.println("</head>");
            out.println("<body>");
            out.println("<h1>Servlet StudyAssistant at " + request.getContextPath() + "</h1>");
            for (Environment e : lcs) {
                out.println(e.toString());
            }

            out.println("Noise MAX: " + max);
            out.println("Noise MIN: " + min);

            out.println("</body>");
            out.println("</html>");
        }
    } else if (urlPath.equalsIgnoreCase("/resources/gauge")) {
        Environment lastRecord = this.getLastEnvironmentRecord();

        StudyIndex inx = new StudyIndex(lastRecord);
        double index = inx.getStudyIndex();
        index *= 100;

        index = Math.round(index * 100.0) / 100.0;

        JsonObject obj = new JsonObject();

        // create an array called cols
        JsonArray cols = new JsonArray();
        JsonArray rows = new JsonArray();
        JsonArray messages = new JsonArray();

        JsonObject col = new JsonObject();
        col.addProperty("id", "Index");
        col.addProperty("label", "Index");
        col.addProperty("type", "string");
        cols.add(col);

        JsonObject col2 = new JsonObject();
        col2.addProperty("id", "Value");
        col2.addProperty("label", "Value");
        col2.addProperty("type", "number");
        cols.add(col2);

        obj.add("cols", cols);

        JsonObject c = new JsonObject();
        JsonArray row = new JsonArray();

        JsonObject v1 = new JsonObject();
        v1.addProperty("v", "Index");
        row.add(v1);

        JsonObject v2 = new JsonObject();
        v2.addProperty("v", index);
        row.add(v2);

        c.add("c", row);

        rows.add(c);

        obj.add("rows", rows);

        String msg = "";
        if ((inx.alcoholIndex < 0.90) || (inx.methaneIndex < 0.90)) {
            msg += "Room needs better air circulation.";
            JsonObject msg1 = new JsonObject();
            msg1.addProperty("text", msg);
            messages.add(msg1);
        }

        JsonObject msg2 = new JsonObject();
        msg = "";
        if (lastRecord.getArduinolight() < StudyIndex.lightOptimalValue) {
            msg += "Increase room luminance!";
        } else if (lastRecord.getArduinolight() > StudyIndex.lightOptimalValue) {
            msg += "Lower room luminance!";
        } else {
            msg += "Room luminance is optimal!";
        }
        msg2.addProperty("text", msg);
        messages.add(msg2);

        JsonObject msg3 = new JsonObject();
        msg = "";
        if (lastRecord.getDs18b20temp() < StudyIndex.temperatureOptimalValue) {
            msg += "Increase room temperature!";
        } else if (lastRecord.getDs18b20temp() > StudyIndex.temperatureOptimalValue) {
            msg += "Lower room temperature!";
        } else {
            msg += "Room temperature is optimal!";
        }
        msg3.addProperty("text", msg);
        messages.add(msg3);

        JsonObject msg4 = new JsonObject();
        msg = "";
        if (lastRecord.getArduinoloudness() > StudyIndex.loudnessOptimalValue) {
            msg += "Room is too noisy!";
            msg4.addProperty("text", msg);
            messages.add(msg4);
        }

        JsonObject msg5 = new JsonObject();
        msg = "";
        if (lastRecord.getDs18b20temp() < StudyIndex.temperatureOptimalValue) {
            msg += "Humidity is less than optimal.";
        } else if (lastRecord.getDs18b20temp() > StudyIndex.temperatureOptimalValue) {
            msg += "Humidity is above optimal.";
        } else {
            msg += "Humidity is optimal!";
        }
        msg5.addProperty("text", msg);
        messages.add(msg5);

        obj.add("messages", messages);

        Gson gson = new GsonBuilder().setPrettyPrinting().serializeNulls()
                .setFieldNamingPolicy(FieldNamingPolicy.UPPER_CAMEL_CASE).create();

        response.setContentType("application/json");
        response.setCharacterEncoding("utf-8");

        PrintWriter out = response.getWriter();

        out.print(gson.toJson(obj));
    } else if (urlPath.equalsIgnoreCase("/resources/humidity")) {
        JsonObject obj = this.getCoreChartsJson("Humidity");
        this.printJson(obj, response);
    } else if (urlPath.equalsIgnoreCase("/resources/temperature")) {
        JsonObject obj = this.getCoreChartsJson("Temperature");
        this.printJson(obj, response);
    } else if (urlPath.equalsIgnoreCase("/resources/loudness")) {
        JsonObject obj = this.getCoreChartsJson("Loudness");
        this.printJson(obj, response);
    } else if (urlPath.equalsIgnoreCase("/resources/light")) {
        JsonObject obj = this.getCoreChartsJson("Light");
        this.printJson(obj, response);
    } else if (urlPath.equalsIgnoreCase("/resources/bubbleindex")) {
        JsonObject obj = this.getCoreChartsJson("Environment Index Score");
        this.printJson(obj, response);
    } else if (urlPath.equalsIgnoreCase("/resources/minmax")) {
        JsonObject obj = this.findMinMax();
        this.printJson(obj, response);
    }
}

From source file:be.uantwerpen.dc.studyassistant.StudyAssistant.java

private void printJson(JsonObject obj, HttpServletResponse response) throws IOException {
    Gson gson = new GsonBuilder().setPrettyPrinting().serializeNulls()
            .setFieldNamingPolicy(FieldNamingPolicy.UPPER_CAMEL_CASE)
            .setDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSS'Z'").create();

    response.setContentType("application/json");
    response.setCharacterEncoding("utf-8");

    PrintWriter out = response.getWriter();

    out.print(gson.toJson(obj));/*  www  .j  ava 2  s.co  m*/
}

From source file:be.uantwerpen.dc.studyassistant.StudyAssistant.java

private ArrayList<Environment> getEnvironmentResources() {
    URL url = null;//from  w ww. j  a v a2 s .  c om
    try {
        //url = new URL("https://192.168.2.33:8443/logs");
        url = new URL("https://demo3407181.mockable.io/logs");

    } catch (MalformedURLException ex) {
        Logger.getLogger(StudyAssistant.class.getName()).log(Level.SEVERE, null, ex);
    }

    String jstring = null;
    try {
        jstring = NetworkUtility.request(url, false, false);
    } catch (Exception ex) {
        Logger.getLogger(StudyAssistant.class.getName()).log(Level.SEVERE, null, ex);
    }

    Gson gson = new GsonBuilder().setDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSS'Z'").create();
    JsonParser parser = new JsonParser();
    JsonArray jArray = parser.parse(jstring).getAsJsonArray();

    ArrayList<Environment> lcs = new ArrayList<Environment>();

    for (JsonElement obj : jArray) {
        Environment cse = gson.fromJson(obj, Environment.class);
        lcs.add(cse);
    }

    return lcs;
}

From source file:be.uantwerpen.dc.studyassistant.StudyAssistant.java

private Environment getLastEnvironmentRecord() {
    URL url = null;/*from   w  ww .  j a  v  a  2 s .  co  m*/
    try {
        //url = new URL("https://192.168.2.33:8443/log");
        url = new URL("https://demo3407181.mockable.io/log");
    } catch (MalformedURLException ex) {
        Logger.getLogger(StudyAssistant.class.getName()).log(Level.SEVERE, null, ex);
    }

    String jstring = null;
    try {
        jstring = NetworkUtility.request(url, false, false);
    } catch (Exception ex) {
        Logger.getLogger(StudyAssistant.class.getName()).log(Level.SEVERE, null, ex);
    }

    Gson gson = new GsonBuilder().setDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSS'Z'").create();
    JsonParser parser = new JsonParser();
    JsonArray jArray = parser.parse(jstring).getAsJsonArray();

    ArrayList<Environment> lcs = new ArrayList<Environment>();

    for (JsonElement obj : jArray) {
        Environment cse = gson.fromJson(obj, Environment.class);
        lcs.add(cse);
    }

    return lcs.get(0);

}

From source file:be.ugent.tiwi.sleroux.newsrec.recommendationstester.RecommenderAccess.java

public NewsItemCluster[] getRecommendations() {
    try {/*  w  ww .  ja  v  a  2s .c  om*/
        String res = doGet(baseUrl + "GetRecommendations.do?count=250&start=0");
        GsonBuilder b = new GsonBuilder();
        b.registerTypeAdapter(NewsItemCluster.class, new CustomDeserializer());
        Gson gson = b.create();
        NewsItemCluster[] results = gson.fromJson(res, NewsItemCluster[].class);

        return results;
    } catch (IOException ex) {
        Logger.getLogger(RecommenderAccess.class.getName()).log(Level.SEVERE, null, ex);
        return new NewsItemCluster[] {};
    }
}

From source file:be.uza.keratoconus.systemtrayapp.SystemTrayMenu.java

License:Open Source License

private UserPrefsDAO readConfig() {
    GsonBuilder builder = new GsonBuilder();
    builder.enableComplexMapKeySerialization();
    Gson gson = builder.create();//w w  w  .ja va 2 s.c  o  m
    Path path = prefsDirPath.resolve(configFilePath);
    try {
        if (Files.exists(path) && Files.size(path) > 0) {
            try (InputStream fileInputStream = Files.newInputStream(path)) {
                final UserPrefsDAO config = gson.fromJson(new InputStreamReader(fileInputStream),
                        UserPrefsDAO.class);
                return config;
            }
        }
    } catch (IOException ioe) {
        logService.log(LogService.LOG_WARNING, "Exception thrown when reading user configuration", ioe);
    }

    UserPrefsDAO defaultConfig = createDefaultUserConfig();
    defaultConfig.animateEnabled = true;
    defaultConfig.popupsEnabled = true;
    defaultConfig.displayTimeSeconds = new HashMap<>();
    writeConfig(defaultConfig);
    return defaultConfig;
}

From source file:bean.EJBean.java

License:Open Source License

public void createUsuario(Usuario u) {
    final Gson prettyGson = new GsonBuilder().setPrettyPrinting().create();
    final String gson = prettyGson.toJson(u);

    // System.out.println(gson);

    client = ClientBuilder.newClient();/*from   w w  w. ja v  a 2 s  . c o m*/
    Response response = client.target(baseURI).path("usuarios").request(MediaType.APPLICATION_JSON)
            .post(Entity.entity(gson, MediaType.APPLICATION_JSON), Response.class);
    client.close();
}

From source file:bean.EJBean.java

License:Open Source License

public Edificio getEdificio(String id) {

    client = ClientBuilder.newClient();/*from w ww.  j  av  a  2 s  .c  o  m*/
    String edificio = client.target(baseURI).path("edificios").path(id).request(MediaType.APPLICATION_JSON)
            .get(String.class);
    client.close();

    /// Deserializar///

    GsonBuilder gsonBuilder = new GsonBuilder();

    JsonDeserializer<Edificio> deserializer = new JsonDeserializer<Edificio>() {

        @Override
        public Edificio deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context)
                throws JsonParseException {
            JsonObject jsonObject = json.getAsJsonObject();

            Edificio e = new Edificio();

            e.setIdedificio(jsonObject.get("idedificio").getAsString());

            if (jsonObject.has("nombreen")) {
                e.setNombreen(jsonObject.get("nombreen").getAsString());
            }
            if (jsonObject.has("nombrevl")) {
                e.setNombrevl(jsonObject.get("nombrevl").getAsString());
            }
            if (jsonObject.has("nombrees")) {
                e.setNombrees(jsonObject.get("nombrees").getAsString());
            }
            if (jsonObject.has("direccion")) {
                e.setDireccion(jsonObject.get("direccion").getAsString());
            }
            if (jsonObject.has("telefono")) {
                e.setTelefono(jsonObject.get("telefono").getAsString());
            }
            if (jsonObject.has("enlace")) {
                e.setEnlace(jsonObject.get("enlace").getAsString());
            }
            e.setXano(jsonObject.get("xano").getAsString());
            e.setTopleft(jsonObject.get("topleft").getAsString());
            e.setTopright(jsonObject.get("topright").getAsString());
            e.setBottomleft(jsonObject.get("bottomleft").getAsString());

            // System.out.println("Deserializer: Edi Obj: "+e.toString());

            List<Usuario> lu = new ArrayList<Usuario>();
            JsonArray usuariosArray = jsonObject.getAsJsonArray("usuarios");
            for (JsonElement usuario : usuariosArray) {
                Usuario u = new Usuario();
                JsonObject usuarioObj = usuario.getAsJsonObject();
                u.setUsuario(usuarioObj.get("usuario").getAsString());
                lu.add(u);
            }
            // System.out.println("Deserializer: usu Obj: "+e.toString());

            e.setUsuarios(lu);
            // System.out.println("Deserializer: usu Obj: " + e.getUsuarios().size());
            List<Plano> lp = new ArrayList<Plano>();
            JsonArray planoArray = jsonObject.getAsJsonArray("planos");
            for (JsonElement plano : planoArray) {
                Plano p = new Plano();
                PlanoPK pk = new PlanoPK();
                JsonObject planoObj = plano.getAsJsonObject();
                pk.setIdedificio(e.getIdedificio());
                pk.setIdplano(planoObj.get("idplano").getAsString());
                p.setId(pk);
                p.setEnlace(planoObj.get("enlace").getAsString());
                p.setNivel(planoObj.get("nivel").getAsInt());
                Edificio edAux = new Edificio();
                edAux.setIdedificio(edAux.getIdedificio());
                p.setEdificio(edAux);

                lp.add(p);
            }

            e.setPlanos(lp);

            JsonObject coordenadaObj = jsonObject.getAsJsonObject("coordenada");
            Coordenada coordenada = new Coordenada();
            coordenada.setIdcoordenada(coordenadaObj.get("idcoordenada").getAsString());
            coordenada.setDescripcion(coordenadaObj.get("idcoordenada").getAsString());
            coordenada.setLatitud(coordenadaObj.get("latitud").getAsDouble());
            coordenada.setLongitud(coordenadaObj.get("longitud").getAsDouble());

            e.setCoordenada(coordenada);

            return e;
        }

    };
    gsonBuilder.registerTypeAdapter(Edificio.class, deserializer);

    System.out.println("GSON" + edificio);

    Gson customGson = gsonBuilder.create();
    Edificio jsonToEdificio = customGson.fromJson(edificio, Edificio.class);
    System.out.print("Size users EJB: " + jsonToEdificio.getUsuarios().size());

    return jsonToEdificio;
}

From source file:bean.EJBean.java

License:Open Source License

public Espacio getEspacio(String id) {
    client = ClientBuilder.newClient();//  w  ww . j  a v a 2  s. com
    String espacio = client.target(baseURI).path("espacios").path(id).request(MediaType.APPLICATION_JSON)
            .get(String.class);
    client.close();

    /// Deserializar///

    //      System.out.println(espacio);

    GsonBuilder gsonBuilder = new GsonBuilder();

    JsonDeserializer<Espacio> deserializer = new JsonDeserializer<Espacio>() {

        @Override
        public Espacio deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context)
                throws JsonParseException {
            JsonObject jsonObject = json.getAsJsonObject();

            Espacio e = new Espacio();

            e.setIdespacio(jsonObject.get("idespacio").getAsString());

            if (jsonObject.has("nombreen")) {
                e.setNombreen(jsonObject.get("nombreen").getAsString());
            }
            if (jsonObject.has("nombrevl")) {
                e.setNombrevl(jsonObject.get("nombrevl").getAsString());
            }
            if (jsonObject.has("nombrees")) {
                e.setNombrees(jsonObject.get("nombrees").getAsString());
            }
            if (jsonObject.has("bloque")) {
                e.setBloque(jsonObject.get("bloque").getAsString());
            }
            if (jsonObject.has("piso")) {
                e.setPiso(jsonObject.get("piso").getAsInt());
            }
            if (jsonObject.has("tipo")) {
                e.setTipo(jsonObject.get("tipo").getAsString());
            }
            e.setVisibilidad(jsonObject.get("visibilidad").getAsBoolean());
            if (jsonObject.has("boundingbox")) {
                e.setBoundingbox(jsonObject.get("boundingbox").getAsString());
            }

            // System.out.println("Deserializer: Edi Obj: "+e.toString());
            JsonObject edificioObj = jsonObject.getAsJsonObject("edificio");
            Edificio edificio = new Edificio();
            edificio.setIdedificio(edificioObj.get("idedificio").getAsString());

            e.setEdificio(edificio);

            List<Panorama> lp = new ArrayList<Panorama>();
            JsonArray panoArray = jsonObject.getAsJsonArray("panoramas");
            for (JsonElement pano : panoArray) {
                Panorama p = new Panorama();
                JsonObject panoObj = pano.getAsJsonObject();
                p.setIdpanorama(panoObj.get("idpanorama").getAsString());
                p.setEnlace(panoObj.get("enlace").getAsString());
                lp.add(p);
            }

            e.setPanoramas(lp);

            JsonObject coordenadaObj = jsonObject.getAsJsonObject("coordenada");
            Coordenada coordenada = new Coordenada();
            coordenada.setIdcoordenada(coordenadaObj.get("idcoordenada").getAsString());
            coordenada.setDescripcion(coordenadaObj.get("idcoordenada").getAsString());
            coordenada.setLatitud(coordenadaObj.get("latitud").getAsDouble());
            coordenada.setLongitud(coordenadaObj.get("longitud").getAsDouble());

            e.setCoordenada(coordenada);

            if (jsonObject.has("profesores")) {
                List<Profesor> lprof = new ArrayList<Profesor>();
                JsonArray profArray = jsonObject.getAsJsonArray("profesores");
                for (JsonElement prof : profArray) {
                    Profesor p = new Profesor();
                    JsonObject profObj = prof.getAsJsonObject();
                    p.setIdprofesor(profObj.get("idprofesor").getAsString());
                    p.setUsuario(profObj.get("usuario").getAsString());
                    p.setVisibilidad(profObj.get("visibilidad").getAsBoolean());

                    lprof.add(p);
                }

                e.setProfesores(lprof);
            }

            return e;
        }

    };
    gsonBuilder.registerTypeAdapter(Espacio.class, deserializer);

    // System.out.println("GSON"+espacio);

    Gson customGson = gsonBuilder.create();
    Espacio jsonToEspacio = customGson.fromJson(espacio, Espacio.class);

    return jsonToEspacio;
}

From source file:bean.EJBean.java

License:Open Source License

public List<Espacio> getEspaciosFromEdificio(String id) {

    client = ClientBuilder.newClient();// w  ww .  j a  va 2 s  . c o m
    String espaciosJSON = client.target(baseURI).path("edificios").path(id).path("espacios")
            .request(MediaType.APPLICATION_JSON).get(String.class);
    client.close();

    GsonBuilder gsonBuilder = new GsonBuilder();

    JsonDeserializer<Espacio> deserializer = new JsonDeserializer<Espacio>() {

        @Override
        public Espacio deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context) {
            JsonObject jsonObject = json.getAsJsonObject();

            Espacio e = new Espacio();

            // System.out.println("HOLA "+jsonObject.get("bloque").getAsString());

            e.setIdespacio(jsonObject.get("idespacio").getAsString());
            e.setNombrees(jsonObject.get("nombrees").getAsString());
            // e.setNombreen(jsonObject.get("nombreen").getAsString());
            // e.setNombrevl(jsonObject.get("nombrevl").getAsString());
            e.setBloque(jsonObject.get("bloque").getAsString());
            e.setBoundingbox(jsonObject.get("boundingbox").getAsString());
            e.setPiso(jsonObject.get("piso").getAsInt());
            e.setTipo(jsonObject.get("tipo").getAsString());
            e.setVisibilidad(jsonObject.get("visibilidad").getAsBoolean());

            JsonObject coordenadaObj = jsonObject.getAsJsonObject("coordenada");
            Coordenada coordenada = new Coordenada();
            coordenada.setIdcoordenada(coordenadaObj.get("idcoordenada").getAsString());
            coordenada.setDescripcion(coordenadaObj.get("idcoordenada").getAsString());
            coordenada.setLatitud(coordenadaObj.get("latitud").getAsDouble());
            coordenada.setLongitud(coordenadaObj.get("longitud").getAsDouble());
            e.setCoordenada(coordenada);

            JsonObject edificioObj = jsonObject.getAsJsonObject("edificio");
            Edificio edificio = new Edificio();
            edificio.setIdedificio(edificioObj.get("idedificio").getAsString());
            /*
             * edificio.setNombrees(edificioObj.get("nombrees").getAsString());
             * edificio.setNombreen(edificioObj.get("nombreen").getAsString());
             * edificio.setNombrevl(edificioObj.get("nombrevl").getAsString());
             * edificio.setEnlace(edificioObj.get("enlace").getAsString());
             * edificio.setXano(edificioObj.get("xano").getAsString());
             * edificio.setTopleft(edificioObj.get("topleft").getAsString());
             * edificio.setTopright(edificioObj.get("topright").getAsString());
             * edificio.setBottomleft(edificioObj.get("bottomleft").getAsString());
             */
            e.setEdificio(edificio);

            List<Panorama> lu = new ArrayList<Panorama>();
            JsonArray panoramaArray = jsonObject.getAsJsonArray("panoramas");
            for (JsonElement panorama : panoramaArray) {
                Panorama p = new Panorama();

                JsonObject panoramaObj = panorama.getAsJsonObject();

                p.setIdpanorama(panoramaObj.get("idpanorama").getAsString());
                p.setEnlace(panoramaObj.get("enlace").getAsString());
                if (panoramaObj.has("panorama")) {
                    p.setPanorama(panoramaObj.get("panorama").getAsInt());
                }

                lu.add(p);
            }

            e.setPanoramas(lu);

            List<Profesor> lp = new ArrayList<Profesor>();
            if (jsonObject.has("profesores")) {
                JsonArray profesorArray = jsonObject.getAsJsonArray("profesores");
                for (JsonElement profesor : profesorArray) {
                    Profesor p = new Profesor();

                    JsonObject profesorObj = profesor.getAsJsonObject();
                    p.setIdprofesor(profesorObj.get("idprofesor").getAsString());
                    p.setUsuario(profesorObj.get("usuario").getAsString());
                    p.setVisibilidad(profesorObj.get("visibilidad").getAsBoolean());
                    lp.add(p);
                }
            }
            e.setProfesores(lp);

            return e;
        }

    };
    gsonBuilder.registerTypeAdapter(Espacio.class, deserializer);

    Type listType = new TypeToken<List<Espacio>>() {
    }.getType();

    Gson customGson = gsonBuilder.create();
    List<Espacio> jsonToEspacios = customGson.fromJson(espaciosJSON, listType);

    // System.out.println("Success Espacio: "+ jsonToEspacios.size());

    return jsonToEspacios;

}