Example usage for com.google.gson JsonArray JsonArray

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

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Introduction

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

Prototype

public JsonArray()

Source Link

Document

Creates an empty JsonArray.

Usage

From source file:ch.eitchnet.csvrestendpoint.marshaller.CsvDataToHeaderJsonMarshaller.java

License:Apache License

@Override
public JsonObject marshall(CSVParser csvParser) {

    JsonObject root = new JsonObject();
    root.addProperty("msg", "-");

    JsonArray data = new JsonArray();

    Set<Entry<String, Integer>> header = csvParser.getHeaderMap().entrySet();
    for (Entry<String, Integer> entry : header) {
        data.add(new JsonPrimitive(entry.getKey()));
    }/*from ww w. jav a  2 s.c  o m*/

    root.add("data", data);

    return root;
}

From source file:ch.eitchnet.csvrestendpoint.marshaller.CsvDataToJsonMarshaller.java

License:Apache License

@Override
public JsonObject marshall(CSVParser csvParser) {

    // validate any references to column names
    Map<String, Integer> headerMap = csvParser.getHeaderMap();
    validate(headerMap);//from  ww  w  . java2  s .  c  o  m

    // filter
    List<CSVRecord> allRecords = new ArrayList<>();
    long dataSetSize = 0;
    for (CSVRecord record : csvParser) {
        dataSetSize++;
        if (isSelected(headerMap, record))
            allRecords.add(record);
    }

    // sort
    if (StringHelper.isNotEmpty(sortBy)) {
        Integer columnIndex = headerMap.get(sortBy);
        if (this.ascending)
            allRecords.sort((r1, r2) -> r1.get(columnIndex).compareTo(r2.get(columnIndex)));
        else
            allRecords.sort((r1, r2) -> r2.get(columnIndex).compareTo(r1.get(columnIndex)));
    }

    // paging
    Paging<CSVRecord> paging = Paging.asPage(allRecords, this.pageSize, this.page);

    // get page
    List<CSVRecord> page = paging.getPage();

    // build JSON response
    JsonObject root = new JsonObject();
    root.addProperty("msg", "-");
    root.addProperty("draw", this.draw);
    root.addProperty("dataSetSize", dataSetSize);
    root.addProperty("nrOfElements", paging.getNrOfElements());

    if (StringHelper.isNotEmpty(sortBy))
        root.addProperty("sortBy", this.sortBy);
    root.addProperty("ascending", this.ascending);
    root.addProperty("nrOfPages", paging.getNrOfPages());
    root.addProperty("pageSize", paging.getPageSize());
    root.addProperty("page", paging.getPageToReturn());

    // prune any unwanted columns
    if (!this.returnFields.isEmpty()) {
        headerMap.keySet().retainAll(this.returnFields);
    }

    // add items
    JsonArray data = new JsonArray();
    for (CSVRecord record : page) {
        JsonObject element = new JsonObject();
        for (Entry<String, Integer> entry : headerMap.entrySet()) {
            String column = entry.getKey();
            String value = record.get(entry.getValue());
            element.addProperty(column, value);
        }
        data.add(element);
    }
    root.add("data", data);

    return root;
}

From source file:ch.eitchnet.csvrestendpoint.marshaller.CsvNamesToJsonMarshaller.java

License:Apache License

public JsonObject marshall(List<String> names) {

    JsonObject root = new JsonObject();
    root.addProperty("msg", "-");

    JsonArray data = new JsonArray();

    for (String name : names) {
        data.add(new JsonPrimitive(name));
    }/*  w  w  w.ja va2  s  .  com*/

    root.add("data", data);

    return root;
}

From source file:ch.epfl.leb.sass.models.Microscope.java

License:Open Source License

/**
 * Returns information about the sample fluorophores.
 * /*w  w  w.j  a v a 2s . c  om*/
 * @return A JsonObject containing information about the fluorophores.
 */
public JsonElement toJsonFluorescence() {
    JsonArray jsonArray = new JsonArray();
    for (Fluorophore f : fluorophores) {
        jsonArray.add(f.toJson());
    }

    return jsonArray;
}

From source file:ch.epfl.leb.sass.server.RemoteSimulationServiceHandler.java

License:Open Source License

/**
 * Returns messages about changes in the simulation state as a JSON string.
 * /*from  w  w w. j av a  2 s.c o  m*/
 * Unlike {@link #toJsonState(int id) toJsonState()}, which returns
 * information about the *current* state of just the fluorophores, this
 * method returns the messages from individual simulation components that
 * contain information about changes in their state that have occurred since
 * the last time this method was called.
 * 
 * @param id The simulation ID.
 * @return A JSON string containing the messages that were recorded.
 * @throws UnknownSimulationIdException
 */
@Override
public String toJsonMessages(int id) throws UnknownSimulationIdException {
    Simulator sim = manager.getSimulator(id);
    if (sim == null) {
        throw new UnknownSimulationIdException();
    }

    List<Message> messages = sim.getMessages();
    JsonArray json = new JsonArray();
    for (Message msg : messages) {
        json.add(msg.toJson());
    }

    try {
        Gson gson = new Gson();
        String jsonString = gson.toJson(json);
        return jsonString;
    } catch (Exception ex) {
        String err = "Unable to convert JSON object to string.";
        LOGGER.log(Level.SEVERE, err);
        ex.printStackTrace();
        return null;
    }
}

From source file:ch.epfl.leb.sass.simulator.internal.DefaultSimulator.java

License:Open Source License

/**
 * Returns messages about changes in the simulation state as a JSON object.
 * /*from w w  w.jav  a 2  s  .  c  o m*/
 * Unlike {@link #toJsonState() toJsonState()}, which returns
 * information about the *current* state of the simulation, this method
 * returns the messages from individual simulation components that contain
 * information about changes in their state that have occurred since the
 * last time this method was called.
 * 
 * @return A JSON object containing the simulation messages.
 */
@Override
public JsonElement toJsonMessages() {
    JsonArray json = new JsonArray();
    for (Message msg : this.getMessages()) {
        json.add(msg.toJson().getAsJsonObject());
    }

    Gson gson = new Gson();
    return gson.fromJson(json, JsonArray.class);
}

From source file:ch.ethz.coss.nervous.pulse.sql.SqlRequestWorker.java

License:Open Source License

@Override
public void run() {
    try {//w  ww . j  av  a 2s  .com

        JsonObject feature = null;
        JsonArray features = null;
        JsonObject featureCollection = null;

        try {

            /***** SQL get ********/
            // Fetch data
            PreparedStatement datastmt = sqlse.getSensorValuesFetchStatement(connection, ptmRequest.readingType,
                    ptmRequest.startTime, ptmRequest.endTime);
            ResultSet rs = datastmt.executeQuery();
            featureCollection = new JsonObject();
            features = new JsonArray();
            // System.out.println("SQL query result size =
            // "+rs.getFetchSize());
            long currentTimeMillis = System.currentTimeMillis();
            while (rs.next()) {
                long volatility = rs.getLong("Volatility");
                long recordTime = rs.getLong("RecordTime");

                //               System.out.println("Volatility = " + volatility);
                //               System.out.println("currentTimeMillis = " + currentTimeMillis);
                //               System.out.println("left time = " + (currentTimeMillis - (recordTime + (volatility * 1000))));
                if (volatility != -1)
                    if (volatility == 0 || currentTimeMillis > (recordTime + (volatility * 1000))) {
                        //                  System.out.println("Continue");
                        continue;
                    }

                String lat = rs.getString("lat");
                String lon = rs.getString("lon");

                feature = new JsonObject();
                feature.addProperty("type", "Feature");
                JsonObject point = new JsonObject();
                point.addProperty("type", "Point");
                JsonArray coord = new JsonArray();
                coord.add(new JsonPrimitive(lat));
                coord.add(new JsonPrimitive(lon));
                point.add("coordinates", coord);
                feature.add("geometry", point);

                JsonObject properties = new JsonObject();

                properties.addProperty("volatility", volatility);
                if (ptmRequest.readingType == 0) {
                    String luxVal = rs.getString("Light");
                    // System.out.println("Reading instance of light");
                    properties.addProperty("readingType", "" + 0);
                    properties.addProperty("level", luxVal);
                } else if (ptmRequest.readingType == 1) {
                    String soundVal = rs.getString("Decibel");
                    properties.addProperty("readingType", "" + 1);
                    properties.addProperty("level", soundVal);
                } else if (ptmRequest.readingType == 2) {
                    String message = rs.getString("Message");
                    message = message.trim();
                    properties.addProperty("readingType", "" + 2);

                    if (message.length() <= 0) {
                        message = "***Empty Message***";
                        continue;
                    }

                    properties.addProperty("message", message);

                } else {
                    // System.out.println("Reading instance not known");
                }

                feature.add("properties", properties);
                features.add(feature);

                // if((features.getAsJsonArray()).size() >= 60000){
                // featureCollection.add("features", features);
                // pSocketServer.sendToSocket(ptmRequest.webSocket,
                // ptmRequest.requestID, featureCollection.toString(),
                // false);
                // featureCollection = new JsonObject();
                // featureCollection = new JsonObject();
                // features = new JsonArray();
                // try {
                // Thread.sleep(10);
                // } catch (Exception e) {
                // // TODO Auto-generated catch block
                // e.printStackTrace();
                // }
                // break;
                // }
            }

            featureCollection.add("features", features);
            // System.out.println("Feature collection +
            // "+featureCollection.toString());
            pSocketServer.sendToSocket(ptmRequest.webSocket, ptmRequest.requestID, featureCollection.toString(),
                    true);

            /*************/

        } catch (JsonParseException e) {
            System.out.println("can't save json object: " + e.toString());
        }

    } catch (Exception e) {
        e.printStackTrace();
        Log.getInstance().append(Log.FLAG_WARNING, "Generic error");
    } finally {
        cleanup();
    }
}

From source file:ch.ethz.coss.nervous.pulse.sql.SqlUploadWorker.java

License:Open Source License

@SuppressWarnings("deprecation")
@Override/*  w ww  . j  ava2 s  .co m*/
public void run() {
    // InputStream is;
    DataInputStream in = null;

    try {
        in = new DataInputStream(socket.getInputStream());
        boolean connected = true;
        while (connected) {
            connected &= !socket.isClosed();
            Visual reading = null;
            JsonObject featureCollection = new JsonObject();
            JsonArray features = new JsonArray();
            JsonObject feature = null;
            try {
                // String json = in.readUTF();

                // StringBuffer json = new StringBuffer();
                // String tmp;
                String json = null;
                try {
                    // while ((tmp = in.read()) != null) {
                    // json.append(tmp);
                    // }

                    ByteArrayOutputStream baos = new ByteArrayOutputStream();
                    byte buffer[] = new byte[1024];
                    for (int s; (s = in.read(buffer)) != -1;) {
                        baos.write(buffer, 0, s);
                    }
                    byte result[] = baos.toByteArray();
                    json = new String(result);

                    // use inputLine.toString(); here it would have whole
                    // source
                    in.close();
                } catch (MalformedURLException me) {
                    System.out.println("MalformedURLException: " + me);
                } catch (IOException ioe) {
                    System.out.println("IOException: " + ioe);
                }
                System.out.println("JSON STRING = " + json);
                System.out.println("JSON Length = " + json.length());

                if (json.length() <= 0)
                    continue;
                reading = new JSONDeserializer<Visual>().deserialize(json, Visual.class);
                feature = new JsonObject();

                feature.addProperty("type", "Feature");
                // JsonArray featureList = new JsonArray();
                // iterate through your list
                // for (ListElement obj : list) {
                // {"geometry": {"type": "Point", "coordinates":
                // [-94.149, 36.33]}
                JsonObject point = new JsonObject();
                point.addProperty("type", "Point");
                // construct a JSONArray from a string; can also use an
                // array or list
                JsonArray coord = new JsonArray();
                if (reading == null || reading.location == null)
                    continue;
                else if (reading.location.latnLong[0] == 0 && reading.location.latnLong[1] == 0)
                    continue;

                coord.add(new JsonPrimitive(new String("" + reading.location.latnLong[0])));
                coord.add(new JsonPrimitive(new String("" + reading.location.latnLong[1])));

                point.add("coordinates", coord);
                feature.add("geometry", point);

                JsonObject properties = new JsonObject();
                if (reading.type == 0) {
                    // System.out.println("Reading instance of light");
                    properties.addProperty("readingType", "" + 0);
                    properties.addProperty("level", "" + ((LightReading) reading).lightVal);
                } else if (reading.type == 1) {
                    properties.addProperty("readingType", "" + 1);
                    properties.addProperty("level", "" + ((NoiseReading) reading).soundVal);
                } else if (reading.type == 2) {
                    properties.addProperty("readingType", "" + 2);
                    properties.addProperty("message", "" + ((TextVisual) reading).textMsg);
                } else {
                    // System.out.println("Reading instance not known");
                }
                properties.addProperty("recordTime", reading.timestamp);
                properties.addProperty("volatility", reading.volatility);
                feature.add("properties", properties);
                features.add(feature);
                featureCollection.add("features", features);

                if (reading.volatility != 0) {
                    /***** SQL insert ********/
                    // Insert data
                    System.out.println("before uploading SQL - reading uuid = " + reading.uuid);
                    System.out.println("Reading volatility = " + reading.volatility);
                    PreparedStatement datastmt = sqlse.getSensorInsertStatement(connection, reading.type);
                    if (datastmt != null) {
                        // System.out.println("datastmt - " +
                        // datastmt.toString());
                        List<Integer> types = sqlse.getArgumentExpectation((long) reading.type);
                        datastmt.setString(1, reading.uuid);
                        if (reading.type == 0) {
                            datastmt.setLong(2, reading.timestamp);
                            datastmt.setLong(3, reading.volatility);
                            datastmt.setDouble(4, ((LightReading) reading).lightVal);
                            datastmt.setDouble(5, reading.location.latnLong[0]);
                            datastmt.setDouble(6, reading.location.latnLong[1]);
                        } else if (reading.type == 1) {
                            datastmt.setLong(2, reading.timestamp);
                            datastmt.setLong(3, reading.volatility);
                            datastmt.setDouble(4, ((NoiseReading) reading).soundVal);
                            datastmt.setDouble(5, reading.location.latnLong[0]);
                            datastmt.setDouble(6, reading.location.latnLong[1]);
                        } else if (reading.type == 2) {
                            datastmt.setLong(2, reading.timestamp);
                            datastmt.setLong(3, reading.volatility);
                            datastmt.setString(4, ((TextVisual) reading).textMsg);
                            datastmt.setDouble(5, reading.location.latnLong[0]);
                            datastmt.setDouble(6, reading.location.latnLong[1]);
                        }
                        // System.out.println("datastmt after populating - "
                        // + datastmt.toString());

                        datastmt.addBatch();
                        datastmt.executeBatch();
                        datastmt.close();
                    }
                    /*************/

                }

            } catch (JsonParseException e) {
                System.out.println("can't save json object: " + e.toString());
            }
            // output the result
            // System.out.println("featureCollection=" +
            // featureCollection.toString());

            String message = featureCollection.toString();
            pSocketServer.sendToAll(message);

        }

    } catch (EOFException e) {
        e.printStackTrace();
        Log.getInstance().append(Log.FLAG_WARNING, "EOFException occurred, but ignored it for now.");
    } catch (IOException e) {
        e.printStackTrace();
        Log.getInstance().append(Log.FLAG_WARNING, "Opening data stream from socket failed");
    } catch (Exception e) {
        e.printStackTrace();
        Log.getInstance().append(Log.FLAG_WARNING, "Generic error");
    } finally {
        cleanup();
        try {
            in.close();
            in = null;
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
            ;
        }
    }
}

From source file:ch.ethz.coss.nervous.pulse.WriteJSON.java

License:Open Source License

public static void sendGeoJSON(Socket socket, Object o) {

    try {//from ww w . j a  va 2s .c o  m
        Scanner in = new Scanner(socket.getInputStream());

        while (!in.nextLine().isEmpty())
            ;

        PrintWriter out = new PrintWriter(socket.getOutputStream());

        Visual reading = (Visual) o;

        JsonObject feature = new JsonObject();
        try {
            feature.addProperty("type", "Feature");
            // JsonArray featureList = new JsonArray();
            // iterate through your list
            // for (ListElement obj : list) {
            // {"geometry": {"type": "Point", "coordinates": [-94.149,
            // 36.33]}
            JsonObject point = new JsonObject();
            point.addProperty("type", "Point");
            // construct a JSONArray from a string; can also use an array or
            // list
            JsonArray coord = new JsonArray();
            coord.add(new JsonPrimitive(reading.location.latnLong[0]));
            coord.add(new JsonPrimitive(reading.location.latnLong[1]));
            point.add("coordinates", coord);
            feature.add("geometry", point);
            JsonObject properties = new JsonObject();
            if (reading.type == 0) {
                // System.out.println("Reading instance of light");
                properties.addProperty("readingType", "" + 0);
                properties.addProperty("lightLevel", "" + ((LightReading) reading).lightVal);
            } else if (reading.type == 1) {
                properties.addProperty("readingType", "" + 1);
                properties.addProperty("noiseLevel", "" + ((NoiseReading) reading).soundVal);
            } else if (reading.type == 2) {
                properties.addProperty("readingType", "" + 2);
                properties.addProperty("message", "" + ((TextVisual) reading).textMsg);
            } else {
                // System.out.println("Reading instance not known");
            }

            feature.add("properties", properties);

            // }
        } catch (JsonParseException e) {
            // System.out.println("can't save json object: " +
            // e.toString());
        }
        // output the result
        // System.out.println("featureCollection=" + feature.toString());

        String message = feature.toString();

        out.println("HTTP/1.0 200 OK");
        out.println("Content-Type: text/json");
        out.printf("Content-Length: %d%n", message.length());
        out.println("Access-Control-Allow-Origin: *");
        out.println();
        out.println(message);
        out.flush();

        socket.close();
    } catch (IOException e) {
        e.printStackTrace();
    }
}

From source file:ch.gaps.slasher.views.main.MainController.java

License:Open Source License

/**
 * To save the state of the software, the tab, the servers and the databases.
 *//*from  w w  w.  j av a  2 s. c om*/
public void saveState() {
    try {
        os = new BufferedWriter(new OutputStreamWriter(new FileOutputStream("save.json")));
        Gson jsonEngine = new GsonBuilder().setPrettyPrinting().create();
        JsonArray mainArray = new JsonArray();

        for (Server s : servers) {
            JsonObject server = new JsonObject();

            server.addProperty("serverDescription", s.getDescription());
            server.addProperty("serverDriver", s.getDiverName());
            server.addProperty("serverHost", s.getHost());
            server.addProperty("serverPort", s.getPort());

            JsonArray databases = new JsonArray();

            for (Database db : s.getDatabases()) {

                JsonObject database = new JsonObject();

                database.addProperty("databaseDescritpion", db.getDescritpion());
                database.addProperty("databaseName", db.getName());
                database.addProperty("databaseUsername", db.getUsername());

                JsonArray tabsJson = new JsonArray();

                tabs.forEach(editorTab -> {
                    if (editorTab.getDatabase() == db) {

                        JsonObject tabJson = new JsonObject();
                        tabJson.addProperty("tabName", "name");
                        tabJson.addProperty("moduleName", editorTab.getModuleName());
                        tabJson.addProperty("content", editorTab.getEditorController().getContent());
                        tabsJson.add(tabJson);
                    }
                });

                database.add("tabs", tabsJson);

                databases.add(database);

            }
            server.add("databases", databases);

            mainArray.add(server);
        }

        os.write(jsonEngine.toJson(mainArray));
        os.flush();

    } catch (IOException e) {
        addToUserCommunication(e.getMessage());
    }
}