Example usage for com.google.gson Gson toJson

List of usage examples for com.google.gson Gson toJson

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Introduction

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

Prototype

public String toJson(JsonElement jsonElement)

Source Link

Document

Converts a tree of JsonElement s into its equivalent JSON representation.

Usage

From source file:AddUserController.java

public AddUserController() {
    //try{//from  ww w  .j  a  v a 2  s .co  m
    post("/newuser", (req, res) -> {
        String id = UUID.randomUUID().toString();
        String username = req.queryParams("username");
        String name = req.queryParams("name");
        String email = req.queryParams("email");
        String bizname = req.queryParams("bizname");
        String website = req.queryParams("website");
        String craft = req.queryParams("craft");
        String about = req.queryParams("about");

        Map<String, Object> userData = new HashMap<>();
        userData.put("id", id);
        userData.put("username", username);
        userData.put("name", name);
        userData.put("email", email);
        userData.put("bizname", bizname);
        userData.put("website", website);
        userData.put("craft", craft);
        userData.put("about", about);
        Gson gson = new Gson();
        return gson.toJson(userData);
        /* 
                
                
        Map<String, Object> userData = new HashMap<>();
                
        Gson gson = new Gson();                
        return gson.toJson(userData);*/
    });

    /*}catch(Exception e){
    final JPanel panel = new JPanel();
            
    JOptionPane.showMessageDialog(panel, "Could not add user.", "Error", JOptionPane.ERROR_MESSAGE);
    }
    }*/
}

From source file:FriendController.java

public FriendController() {
    get("/friends", (req, res) -> {
        /*Map<String, User> userList = new HashMap<>();
        User user001 = new User("Summer Smith", "summer@randm.com", "Summer Sol", "rickandmorty.com");
        userList.put(user001.getId(), user001);
        Gson gson = new Gson();//from  w w w . j av a 2  s .co m
        return gson.toJson(userList);*/
        String id = UUID.randomUUID().toString();
        Map<String, Object> friendList = new HashMap<>();
        friendList.put("id", id);
        friendList.put("username", "schwiftytime");
        friendList.put("name", "Rick Sanchez");
        friendList.put("email", "rick@rick.com");
        friendList.put("bizname", "Curse Purge Plus!");
        friendList.put("website", "rickandmorty.com");
        friendList.put("craft", "Science");
        friendList.put("about", "*Burp*");
        /* friendList.put("id", "0001");
        friendList.put("username", "inferiorgenes");
        friendList.put("name", "Abradolf Lincler");
        friendList.put("email", "abe@rick.com");
        friendList.put("bizname", "Emancipation");
        friendList.put("website", "rickandmorty.com");
        friendList.put("craft", "Wood Burning");
        friendList.put("about", "Wood work is calming.");*/
        Gson gson = new Gson();
        return gson.toJson(friendList);
    });

    /*get("/users", (req, res) -> userService.getAllUsers(), json());
            
    get("/users/:id", (req, res) -> {
       String id = req.params(":id");
       User user = userService.getUser(id);
       if (user  != null) {
    return user;
       }
       res.status(400);
       return new ResponseError("No user with id '%s' found", id);
    }, json());
            
    wrote similar code elsewhere
        post("/users", (req, res) -> userService.createUser(
    req.queryParams("name"),
                        req.queryParams("email"),
                        req.queryParams("bizname"),
                        req.queryParams("website")
    ), json());
            
    exception(IllegalArgumentException.class, (e, req, res) -> {
       res.status(400);
       res.body(toJson(new ResponseError(e)));
    });*/
}

From source file:getNamesSv.java

/**
 * Processes requests for both HTTP <code>GET</code> and <code>POST</code>
 * methods./*from   www  .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 {
    response.setContentType("text/json;charset=UTF-8");
    try {
        PrintWriter out = response.getWriter();
        int estado = Integer.parseInt(request.getParameter("estado"));
        classList sr = new classList(estado);
        Gson gson = new Gson();
        out.println(gson.toJson(sr));
        out.close();
    } catch (Exception ex) {
        System.out.println("Error");
    }
}

From source file:Licenses.java

License:Open Source License

@Override
public String jsonProducer() {
    Gson gson = new GsonBuilder().setPrettyPrinting().create();
    return gson.toJson(this);
}

From source file:SubscriberBatch.java

License:Open Source License

private void applyReminderNotifications(Connection sd, Connection cResults, String basePath,
        String serverName) {//from   ww w.  j  ava  2 s. c o m

    // Sql to get notifications that need a reminder
    String sql = "select " + "t.id as t_id, " + "n.id as f_id, " + "a.id as a_id, " + "t.survey_ident, "
            + "t.update_id," + "t.p_id," + "n.target," + "n.remote_user," + "n.notify_details "
            + "from tasks t, assignments a, forward n " + "where t.tg_id = n.tg_id " + "and t.id = a.task_id "
            + "and n.enabled " + "and n.trigger = 'task_reminder' " + "and a.status = 'accepted' "
            //+ "and a.assigned_date < now() - cast(n.period as interval) "   // use schedule at however could allow assigned date to be used
            + "and t.schedule_at < now() - cast(n.period as interval) "
            + "and a.id not in (select a_id from reminder where n_id = n.id)";
    PreparedStatement pstmt = null;

    // Sql to record a reminder being sent
    String sqlSent = "insert into reminder (n_id, a_id, reminder_date) values (?, ?, now())";
    PreparedStatement pstmtSent = null;

    try {

        pstmt = sd.prepareStatement(sql);
        pstmtSent = sd.prepareStatement(sqlSent);

        Gson gson = new GsonBuilder().disableHtmlEscaping().create();
        HashMap<Integer, ResourceBundle> locMap = new HashMap<>();
        MessagingManager mm = new MessagingManager();

        ResultSet rs = pstmt.executeQuery();
        int idx = 0;
        while (rs.next()) {

            if (idx++ == 0) {
                System.out.println("\n-------------");
            }
            int tId = rs.getInt(1);
            int nId = rs.getInt(2);
            int aId = rs.getInt(3);
            String surveyIdent = rs.getString(4);
            String instanceId = rs.getString(5);
            int pId = rs.getInt(6);
            String target = rs.getString(7);
            String remoteUser = rs.getString(8);
            String notifyDetailsString = rs.getString(9);
            NotifyDetails nd = new Gson().fromJson(notifyDetailsString, NotifyDetails.class);

            int oId = GeneralUtilityMethods.getOrganisationIdForNotification(sd, nId);

            // Send the reminder
            SubmissionMessage subMgr = new SubmissionMessage(tId, surveyIdent, pId, instanceId, nd.from,
                    nd.subject, nd.content, nd.attach, nd.include_references, nd.launched_only,
                    nd.emailQuestion, nd.emailQuestionName, nd.emailMeta, nd.emails, target, remoteUser,
                    "https", serverName, basePath);
            mm.createMessage(sd, oId, "reminder", "", gson.toJson(subMgr));

            // record the sending of the notification
            pstmtSent.setInt(1, nId);
            pstmtSent.setInt(2, aId);
            pstmtSent.executeUpdate();

            // Write to the log
            ResourceBundle localisation = locMap.get(nId);
            if (localisation == null) {
                Organisation organisation = GeneralUtilityMethods.getOrganisation(sd, oId);
                Locale orgLocale = new Locale(organisation.locale);
                localisation = ResourceBundle.getBundle("org.smap.sdal.resources.SmapResources", orgLocale);
            }

            String logMessage = "Reminder sent for: " + nId;
            if (localisation != null) {
                logMessage = localisation.getString("lm_reminder");
                logMessage = logMessage.replaceAll("%s1", GeneralUtilityMethods.getNotificationName(sd, nId));
            }
            lm.writeLogOrganisation(sd, oId, "subscriber", LogManager.REMINDER, logMessage);

        }

    } catch (Exception e) {
        e.printStackTrace();
    } finally {

        try {
            if (pstmt != null) {
                pstmt.close();
            }
        } catch (SQLException e) {
        }
        try {
            if (pstmtSent != null) {
                pstmtSent.close();
            }
        } catch (SQLException e) {
        }

    }
}

From source file:Api.java

/**
 * Processes requests for both HTTP <code>GET</code> and <code>POST</code>
 * methods.//w  ww  .ja  v a2 s . 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 {
    response.setContentType("text/html;charset=UTF-8");
    try (PrintWriter out = response.getWriter()) {
        /* TODO output your page here. You may use following sample code. */

        ArrayList lista = new ArrayList();
        String modulo = request.getParameter("modulo");
        String idCiudad = request.getParameter("id_ciudad");
        String idPais = request.getParameter("id_pais");

        Country pais = new Country();
        // Paises

        if (modulo.equals("paises")) {

            ResultSet fila = pais.showAll();
            try {

                while (fila.next()) {
                    Country country = new Country();
                    country.setName(fila.getString("name"));
                    country.setCountry_id(fila.getInt("country_id"));

                    lista.add(country);
                }

            } catch (Exception ex) {

            }
        }

        // Ciudades

        if (modulo.equals("ciudades")) {

            if (idCiudad != null) {
                // devolvemos la ciudad con el id ciudad
                City ciudad = new City();
                ciudad.setCity_id(Integer.parseInt(idCiudad));
                ResultSet fila = ciudad.getOne();

                try {

                    while (fila.next()) {
                        City c = new City();
                        c.setName(fila.getString("name"));
                        c.setCity_id(fila.getInt("city_id"));
                        c.setCountry_id(fila.getInt("country_id"));
                        c.setState(fila.getInt("state"));

                        lista.add(c);
                    }

                } catch (Exception ex) {

                }

            }

            else if (idPais != null) {
                // devolvemos las ciudades con el pais al que pertenece
                City ciudad = new City();
                ResultSet fila = ciudad.showAllFrom(Integer.parseInt(idPais));
                try {

                    while (fila.next()) {
                        City c = new City();
                        c.setName(fila.getString("name"));
                        c.setCity_id(fila.getInt("city_id"));
                        c.setCountry_id(fila.getInt("country_id"));
                        c.setState(fila.getInt("state"));

                        lista.add(c);
                    }

                } catch (Exception ex) {

                }
            }

            else {
                City ciudad = new City();
                ResultSet fila = ciudad.showAll();
                try {

                    while (fila.next()) {
                        City c = new City();
                        c.setName(fila.getString("name"));
                        c.setCity_id(fila.getInt("city_id"));
                        c.setCountry_id(fila.getInt("country_id"));
                        c.setState(fila.getInt("state"));
                        lista.add(c);
                    }

                } catch (Exception ex) {

                }
            }
        }

        Gson gson = new GsonBuilder().setPrettyPrinting().create();
        String json = gson.toJson(lista);
        response.setContentType("application/json;charset=UTF-8");
        out.write(json);

    }
}

From source file:InventoryIncrementItemServlet.java

License:Open Source License

@Override
public HttpResponse doWork(HttpRequest request, String rootDirectory) {
    HttpResponse response;/*  w  ww.ja  v  a2 s.  c  o  m*/
    try {
        String inventoryUrl = "./web/inventory.json";
        File inventory = new File(inventoryUrl);

        StringBuilder sb = new StringBuilder();
        Scanner sc = new Scanner(inventory);
        while (sc.hasNext()) {
            sb.append(sc.nextLine());
        }
        sc.close();

        // Add this new book to the list of existing books
        Gson gson = new Gson();
        InventoryObject[] inventoryArray = gson.fromJson(sb.toString(), InventoryObject[].class);
        ArrayList<InventoryObject> inventoryList = new ArrayList<InventoryObject>(
                Arrays.asList(inventoryArray));

        String body = new String(request.getBody());
        System.out.println(body);
        String[] newItem = body.split("&");

        // Find existing item and add passed quantity
        int id = Integer.parseInt(newItem[0].split("=")[1]);
        int quant = Integer.parseInt(newItem[1].split("=")[1]);
        for (InventoryObject item : inventoryList) {
            if (item.getID() == id) {
                if (item.getQuantity() == 0 && quant == -1) {
                    return HttpResponseFactory.create400BadRequest(Protocol.CLOSE);
                } else {
                    item.setQuantity(item.getQuantity() + quant);
                }
            }
        }

        // Serialize new list
        Gson gsonBuilder = new GsonBuilder().setPrettyPrinting().create();
        String arrayListToJson = gsonBuilder.toJson(inventoryList);

        BufferedWriter bw = new BufferedWriter(new FileWriter(inventory));
        bw.write(arrayListToJson);
        bw.close();

        response = HttpResponseFactory.create200OK(inventory, Protocol.CLOSE);
    } catch (Exception e) {
        response = HttpResponseFactory.create404NotFound(Protocol.CLOSE);
    }
    return response;
}

From source file:AuthServlet.java

protected void processRequest(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    response.setContentType("application/json");
    Gson gson = new Gson();

    try {/*from w  w w . j  ava  2 s . c om*/
        //parsing json
        StringBuilder sb = new StringBuilder();
        String s;
        while ((s = request.getReader().readLine()) != null) {
            sb.append(s);
        }

        Token token = (Token) gson.fromJson(sb.toString(), Token.class);

        Connection conn = null;
        //PreparedStatement preparedStatement = null;

        Class.forName("com.mysql.jdbc.Driver");

        conn = DriverManager.getConnection(DB_URL, USER, PASS);

        String sql = "SELECT userID, tokenexpired FROM account WHERE token=?";
        PreparedStatement preparedStatement = conn.prepareStatement(sql);
        preparedStatement.setString(1, token.getAccessToken());
        ResultSet rs = preparedStatement.executeQuery();

        Status status = new Status();

        if (rs.next()) {
            java.sql.Timestamp tokenexpired = rs.getTimestamp("tokenexpired");
            java.util.Date now = new java.util.Date();
            long nowms = now.getTime();
            long expms = tokenexpired.getTime();

            if (nowms < expms) {
                //token valid
                int userid = rs.getInt("userID");
                status.setSuccess(true);
                status.setDescription("valid");
                status.setUserID(userid);

                response.getOutputStream().print(gson.toJson(status));
                response.getOutputStream().flush();
            } else {
                status.setSuccess(false);
                status.setDescription("expired");
                response.getOutputStream().print(gson.toJson(status));
                response.getOutputStream().flush();
            }
        } else {
            status.setSuccess(false);
            status.setDescription("invalid");
            response.getOutputStream().print(gson.toJson(status));
            response.getOutputStream().flush();
        }

        rs.close();

    } catch (Exception ex) {
        ex.printStackTrace();

    }
}

From source file:NoPartitionLeaderWatcher.java

License:Open Source License

private static void reassignPartitionWithNoLeader(
        List<Tuple2<Partition, String[]>> partitionsToBeReassignedList, NoPartitionLeaderWatchHelper helper)
        throws Exception {
    String reassignmentConfigFileName = "partitions-to-move.json." + System.currentTimeMillis();

    Gson gson = new Gson();
    //build json string
    MovePartitionsJsonHelper mvPartitionsHelper = new MovePartitionsJsonHelper(
            partitionsToBeReassignedList.size());
    for (int i = 0; i < partitionsToBeReassignedList.size(); i++) {
        Tuple2<Partition, String[]> partitionToBeReassigned = partitionsToBeReassignedList.get(i);
        PartitionToMoveJsonHelper partitionObj = new PartitionToMoveJsonHelper(
                partitionToBeReassigned._1.topicName, partitionToBeReassigned._1.partitionId,
                partitionToBeReassigned._2);
        mvPartitionsHelper.partitions[i] = partitionObj;
    }/*  ww w  . j a v a  2 s  .c om*/

    String reassignmentJson = gson.toJson(mvPartitionsHelper);
    //do kafka reassignment
    PrintWriter out = new PrintWriter(reassignmentConfigFileName);
    out.println(reassignmentJson);
    out.close();
    logger.debug("Reassignment will be kicked for {}", reassignmentJson);
    String[] reassignCmdArgs = { "--reassignment-json-file=" + reassignmentConfigFileName,
            "--zookeeper=" + Utils.getZookeeperConnectionString(2181), "--execute" };
    ReassignPartitionsCommand.main(reassignCmdArgs);
    //Hacky: Restart kafka controller. Controller seems buggy sometimes
    helper.restartKafkaController();
    //Hacky: Sleep for sometime to let the reassignment process complete
    logger.debug("Reassignment command has been initiated. Will sleep for {} ms", 5 * 60000);
    Thread.sleep(5 * 60000);

    try {
        Files.deleteIfExists(Paths.get(reassignmentConfigFileName));
    } catch (Exception ex) {
        //ignore
    }
}

From source file:WSClient.java

public Response doRequest(String path, Object object) throws IOException {

    Response response = null;//from   w  w  w  .  j  a v a  2s .c  om

    try {
        URL url = new URL(BASE_URL + path);
        System.out.println("##### utl : " + BASE_URL + path);
        HttpURLConnection conn = (HttpURLConnection) url.openConnection();
        conn.setDoOutput(true);
        conn.setRequestMethod("POST");
        conn.setRequestProperty("Content-Type", "application/json");
        //String input = "{\"qty\":100,\"name\":\"iPad 4\"}";
        Gson gson = new Gson();
        String input = gson.toJson(object);

        OutputStream os = conn.getOutputStream();
        os.write(input.getBytes());
        os.flush();

        /*if (conn.getResponseCode() != HttpURLConnection.HTTP_CREATED) {
           throw new RuntimeException("Failed : HTTP error code : "
              + conn.getResponseCode());
        }*/

        BufferedReader br = new BufferedReader(new InputStreamReader((conn.getInputStream())));
        StringBuilder content = new StringBuilder("");
        String output;
        System.out.println("Output from Server .... \n");
        while ((output = br.readLine()) != null) {
            System.out.println(output);
            content.append(output);

        }
        conn.disconnect();

        System.out.println(" content :" + content.toString());
        response = gson.fromJson(content.toString(), Response.class);

    } catch (MalformedURLException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();

    }

    return response;
}