Example usage for org.json JSONArray length

List of usage examples for org.json JSONArray length

Introduction

In this page you can find the example usage for org.json JSONArray length.

Prototype

public int length() 

Source Link

Document

Get the number of elements in the JSONArray, included nulls.

Usage

From source file:nl.hnogames.domoticz.Domoticz.SwitchLogParser.java

@Override
public void parseResult(String result) {
    try {// www  .  j  a  v a 2  s.  c  om
        JSONArray jsonArray = new JSONArray(result);
        ArrayList<SwitchLogInfo> mSwitcheLogs = new ArrayList<>();

        if (jsonArray.length() > 0) {
            for (int i = 0; i < jsonArray.length(); i++) {
                JSONObject row = jsonArray.getJSONObject(i);
                mSwitcheLogs.add(new SwitchLogInfo(row));
            }
        }
        switcheLogsReceiver.onReceiveSwitches(mSwitcheLogs);

    } catch (JSONException e) {
        Log.e(TAG, "ScenesParser JSON exception");
        e.printStackTrace();
        switcheLogsReceiver.onError(e);
    }
}

From source file:com.example.kylelehman.sunshine.FetchWeatherTask.java

/**
 * Take the String representing the complete forecast in JSON Format and
 * pull out the data we need to construct the Strings needed for the wireframes.
 *
 * Fortunately parsing is easy:  constructor takes the JSON string and converts it
 * into an Object hierarchy for us./*  w w  w  .  j a va 2s .  c o  m*/
 */
private void getWeatherDataFromJson(String forecastJsonStr, int numDays, String locationSetting)
        throws JSONException {

    // These are the names of the JSON objects that need to be extracted.

    // Location information
    final String OWM_CITY = "city";
    final String OWM_CITY_NAME = "name";
    final String OWM_COORD = "coord";
    final String OWM_COORD_LAT = "lat";
    final String OWM_COORD_LONG = "lon";

    // Weather information.  Each day's forecast info is an element of the "list" array.
    final String OWM_LIST = "list";

    final String OWM_DATETIME = "dt";
    final String OWM_PRESSURE = "pressure";
    final String OWM_HUMIDITY = "humidity";
    final String OWM_WINDSPEED = "speed";
    final String OWM_WIND_DIRECTION = "deg";

    // All temperatures are children of the "temp" object.
    final String OWM_TEMPERATURE = "temp";
    final String OWM_MAX = "max";
    final String OWM_MIN = "min";

    final String OWM_WEATHER = "weather";
    final String OWM_DESCRIPTION = "main";
    final String OWM_WEATHER_ID = "id";

    JSONObject forecastJson = new JSONObject(forecastJsonStr);
    JSONArray weatherArray = forecastJson.getJSONArray(OWM_LIST);

    JSONObject cityJson = forecastJson.getJSONObject(OWM_CITY);
    String cityName = cityJson.getString(OWM_CITY_NAME);
    JSONObject coordJSON = cityJson.getJSONObject(OWM_COORD);
    double cityLatitude = coordJSON.getLong(OWM_COORD_LAT);
    double cityLongitude = coordJSON.getLong(OWM_COORD_LONG);

    Log.v(LOG_TAG, cityName + ", with coord: " + cityLatitude + " " + cityLongitude);

    // Insert the location into the database.
    long locationID = addLocation(locationSetting, cityName, cityLatitude, cityLongitude);

    // Get and insert the new weather information into the database
    Vector<ContentValues> cVVector = new Vector<ContentValues>(weatherArray.length());

    for (int i = 0; i < weatherArray.length(); i++) {
        // These are the values that will be collected.

        long dateTime;
        double pressure;
        int humidity;
        double windSpeed;
        double windDirection;

        double high;
        double low;

        String description;
        int weatherId;

        // Get the JSON object representing the day
        JSONObject dayForecast = weatherArray.getJSONObject(i);

        // The date/time is returned as a long.  We need to convert that
        // into something human-readable, since most people won't read "1400356800" as
        // "this saturday".
        dateTime = dayForecast.getLong(OWM_DATETIME);

        pressure = dayForecast.getDouble(OWM_PRESSURE);
        humidity = dayForecast.getInt(OWM_HUMIDITY);
        windSpeed = dayForecast.getDouble(OWM_WINDSPEED);
        windDirection = dayForecast.getDouble(OWM_WIND_DIRECTION);

        // Description is in a child array called "weather", which is 1 element long.
        // That element also contains a weather code.
        JSONObject weatherObject = dayForecast.getJSONArray(OWM_WEATHER).getJSONObject(0);
        description = weatherObject.getString(OWM_DESCRIPTION);
        weatherId = weatherObject.getInt(OWM_WEATHER_ID);

        // Temperatures are in a child object called "temp".  Try not to name variables
        // "temp" when working with temperature.  It confuses everybody.
        JSONObject temperatureObject = dayForecast.getJSONObject(OWM_TEMPERATURE);
        high = temperatureObject.getDouble(OWM_MAX);
        low = temperatureObject.getDouble(OWM_MIN);

        ContentValues weatherValues = new ContentValues();

        weatherValues.put(WeatherEntry.COLUMN_LOC_KEY, locationID);
        weatherValues.put(WeatherEntry.COLUMN_DATETEXT,
                WeatherContract.getDbDateString(new Date(dateTime * 1000L)));
        weatherValues.put(WeatherEntry.COLUMN_HUMIDITY, humidity);
        weatherValues.put(WeatherEntry.COLUMN_PRESSURE, pressure);
        weatherValues.put(WeatherEntry.COLUMN_WIND_SPEED, windSpeed);
        weatherValues.put(WeatherEntry.COLUMN_DEGREES, windDirection);
        weatherValues.put(WeatherEntry.COLUMN_MAX_TEMP, high);
        weatherValues.put(WeatherEntry.COLUMN_MIN_TEMP, low);
        weatherValues.put(WeatherEntry.COLUMN_SHORT_DESC, description);
        weatherValues.put(WeatherEntry.COLUMN_WEATHER_ID, weatherId);

        cVVector.add(weatherValues);
    }
    if (cVVector.size() > 0) {
        ContentValues[] cvArray = new ContentValues[cVVector.size()];
        cVVector.toArray(cvArray);
        mContext.getContentResolver().bulkInsert(WeatherEntry.CONTENT_URI, cvArray);
    }
}

From source file:com.example.jz.mysunshine.FetchWeatherTask.java

/**
 * Take the String representing the complete forecast in JSON Format and
 * pull out the data we need to construct the Strings needed for the wireframes.
 * <p/>/*from w w w. j a va 2 s  . co m*/
 * Fortunately parsing is easy:  constructor takes the JSON string and converts it
 * into an Object hierarchy for us.
 */
private void getWeatherDataFromJson(String forecastJsonStr, String locationSetting) throws JSONException {

    // Now we have a String representing the complete forecast in JSON Format.
    // Fortunately parsing is easy:  constructor takes the JSON string and converts it
    // into an Object hierarchy for us.

    // These are the names of the JSON objects that need to be extracted.

    // Location information
    final String OWM_CITY = "city";
    final String OWM_CITY_NAME = "name";
    final String OWM_COORD = "coord";

    // Location coordinate
    final String OWM_LATITUDE = "lat";
    final String OWM_LONGITUDE = "lon";

    // Weather information.  Each day's forecast info is an element of the "list" array.
    final String OWM_LIST = "list";

    final String OWM_PRESSURE = "pressure";
    final String OWM_HUMIDITY = "humidity";
    final String OWM_WINDSPEED = "speed";
    final String OWM_WIND_DIRECTION = "deg";

    // All temperatures are children of the "temp" object.
    final String OWM_TEMPERATURE = "temp";
    final String OWM_MAX = "max";
    final String OWM_MIN = "min";

    final String OWM_WEATHER = "weather";
    final String OWM_DESCRIPTION = "main";
    final String OWM_WEATHER_ID = "id";

    try {
        JSONObject forecastJson = new JSONObject(forecastJsonStr);
        JSONArray weatherArray = forecastJson.getJSONArray(OWM_LIST);

        JSONObject cityJson = forecastJson.getJSONObject(OWM_CITY);
        String cityName = cityJson.getString(OWM_CITY_NAME);

        JSONObject cityCoord = cityJson.getJSONObject(OWM_COORD);
        double cityLatitude = cityCoord.getDouble(OWM_LATITUDE);
        double cityLongitude = cityCoord.getDouble(OWM_LONGITUDE);

        long locationId = addLocation(locationSetting, cityName, cityLatitude, cityLongitude);

        // Insert the new weather information into the database
        Vector<ContentValues> cVVector = new Vector<ContentValues>(weatherArray.length());

        // OWM returns daily forecasts based upon the local time of the city that is being
        // asked for, which means that we need to know the GMT offset to translate this data
        // properly.

        // Since this data is also sent in-order and the first day is always the
        // current day, we're going to take advantage of that to get a nice
        // normalized UTC date for all of our weather.

        Time dayTime = new Time();
        dayTime.setToNow();

        // we start at the day returned by local time. Otherwise this is a mess.
        int julianStartDay = Time.getJulianDay(System.currentTimeMillis(), dayTime.gmtoff);

        // now we work exclusively in UTC
        dayTime = new Time();

        for (int i = 0; i < weatherArray.length(); i++) {
            // These are the values that will be collected.
            long dateTime;
            double pressure;
            int humidity;
            double windSpeed;
            double windDirection;

            double high;
            double low;

            String description;
            int weatherId;

            // Get the JSON object representing the day
            JSONObject dayForecast = weatherArray.getJSONObject(i);

            // Cheating to convert this to UTC time, which is what we want anyhow
            dateTime = dayTime.setJulianDay(julianStartDay + i);

            pressure = dayForecast.getDouble(OWM_PRESSURE);
            humidity = dayForecast.getInt(OWM_HUMIDITY);
            windSpeed = dayForecast.getDouble(OWM_WINDSPEED);
            windDirection = dayForecast.getDouble(OWM_WIND_DIRECTION);

            // Description is in a child array called "weather", which is 1 element long.
            // That element also contains a weather code.
            JSONObject weatherObject = dayForecast.getJSONArray(OWM_WEATHER).getJSONObject(0);
            description = weatherObject.getString(OWM_DESCRIPTION);
            weatherId = weatherObject.getInt(OWM_WEATHER_ID);

            // Temperatures are in a child object called "temp".  Try not to name variables
            // "temp" when working with temperature.  It confuses everybody.
            JSONObject temperatureObject = dayForecast.getJSONObject(OWM_TEMPERATURE);
            high = temperatureObject.getDouble(OWM_MAX);
            low = temperatureObject.getDouble(OWM_MIN);

            ContentValues weatherValues = new ContentValues();

            weatherValues.put(WeatherEntry.COLUMN_LOC_KEY, locationId);
            weatherValues.put(WeatherEntry.COLUMN_DATE, dateTime);
            weatherValues.put(WeatherEntry.COLUMN_HUMIDITY, humidity);
            weatherValues.put(WeatherEntry.COLUMN_PRESSURE, pressure);
            weatherValues.put(WeatherEntry.COLUMN_WIND_SPEED, windSpeed);
            weatherValues.put(WeatherEntry.COLUMN_DEGREES, windDirection);
            weatherValues.put(WeatherEntry.COLUMN_MAX_TEMP, high);
            weatherValues.put(WeatherEntry.COLUMN_MIN_TEMP, low);
            weatherValues.put(WeatherEntry.COLUMN_SHORT_DESC, description);
            weatherValues.put(WeatherEntry.COLUMN_WEATHER_ID, weatherId);

            cVVector.add(weatherValues);
        }
        int inserted = 0;
        // add to database
        if (cVVector.size() > 0) {
            ContentValues[] cvArray = new ContentValues[cVVector.size()];
            cVVector.toArray(cvArray);
            inserted = mContext.getContentResolver().bulkInsert(WeatherEntry.CONTENT_URI, cvArray);
        }
        Log.d(LOG_TAG, "FetchWeatherTask Complete. " + inserted + "Inserted");
    } catch (JSONException e) {
        Log.e(LOG_TAG, e.getMessage(), e);
        e.printStackTrace();
    }
}

From source file:app.sunstreak.yourpisd.net.Student.java

/**
 * Uses internet every time./*  w  w w  . j a  va  2s .  c o m*/
 * 
 * @throws org.json.JSONException
 */
public int[][] loadGradeSummary() throws JSONException {
    try {
        String classId = "" + classList.getJSONObject(0).getInt("enrollmentId");
        String termId = "" + classList.getJSONObject(0).getJSONArray("terms").getJSONObject(0).getInt("termId");

        String url = "https://gradebook.pisd.edu/Pinnacle/Gradebook/InternetViewer/GradeSummary.aspx?"
                + "&EnrollmentId=" + classId + "&TermId=" + termId + "&ReportType=0&StudentId=" + studentId;

        HTTPResponse summary = Request.sendGet(url, session.cookies);
        String response = summary.getData();
        int responseCode = summary.getResponseCode();

        if (responseCode != 200)
            System.out.println("Response code: " + responseCode);

        /*
         * puts averages in classList, under each term.
         */
        Element doc = Jsoup.parse(response);
        gradeSummary = Parser.gradeSummary(doc, classList);

        matchClasses(gradeSummary);

        for (int classIndex = 0; classIndex < gradeSummary.length; classIndex++) {
            int jsonIndex = classMatch[classIndex];
            JSONArray terms = classList.getJSONObject(jsonIndex).getJSONArray("terms");

            int firstTermIndex = 0;
            int lastTermIndex = 0;

            if (terms.length() == 8) {
                // Full year course
                firstTermIndex = 0;
                lastTermIndex = 7;
            } else if (terms.length() == 4) {
                if (terms.optJSONObject(0).optString("description").equals("1st Six Weeks")) {
                    // First semester course
                    firstTermIndex = 0;
                    lastTermIndex = 3;
                } else {
                    // Second semester course
                    firstTermIndex = 4;
                    lastTermIndex = 7;
                }
            }

            for (int termIndex = firstTermIndex; termIndex <= lastTermIndex; termIndex++) {
                int arrayLocation = termIndex > 3 ? termIndex + 2 : termIndex + 1;
                int average = gradeSummary[classIndex][arrayLocation];
                if (average != NO_GRADES_ENTERED)
                    classList.getJSONObject(jsonIndex).getJSONArray("terms")
                            .getJSONObject(termIndex - firstTermIndex).put("average", average);
            }

            classList.getJSONObject(jsonIndex).put("firstSemesterAverage", gradeSummary[classIndex][5]);
            classList.getJSONObject(jsonIndex).put("secondSemesterAverage", gradeSummary[classIndex][10]);
        }

        // Last updated time of summary --> goes in this awkward place
        classList.getJSONObject(0).put("summaryLastUpdated", new Instant().getMillis());

        return gradeSummary;
    } catch (IOException e) {
        e.printStackTrace();
        return null;
    } catch (JSONException e) {
        e.printStackTrace();
        return null;
    }
}

From source file:app.sunstreak.yourpisd.net.Student.java

public int[] getTermIds(int classId) throws JSONException {
    for (int i = 0; i < classList.length(); i++) {
        if (classList.getJSONObject(i).getInt("classId") == classId) {
            JSONArray terms = classList.getJSONObject(i).getJSONArray("terms");
            int[] termIds = new int[terms.length()];
            for (int j = 0; j < terms.length(); j++) {
                termIds[j] = terms.getJSONObject(j).getInt("termId");
            }/*  w  ww .j a v  a 2 s  .c o m*/
            return termIds;
        }
    }
    // if class not found.
    return null;
}

From source file:com.piggate.sdk.PiggateInfo.java

private static void registryInfo(JSONArray offers) {
    ArrayList<PiggateInfo> listaOffers = new ArrayList<PiggateInfo>();
    for (int x = 0; x < offers.length(); x++) {
        try {/*ww  w. j ava 2s  .co m*/
            listaOffers.add(new PiggateInfo(offers.getJSONObject(x)));
        } catch (JSONException e) {

        }
    }
    registryInfo(listaOffers);
}

From source file:com.creationgroundmedia.popularmovies.trailers.TrailerLoader.java

private List<TrailerItem> getTrailersFromJSON(String trailersJsonStr) throws JSONException {

    if (trailersJsonStr == null) {
        return null;
    }//from   w w w .j av a  2 s  .  c  o  m

    JSONObject movieJSON = new JSONObject(trailersJsonStr);
    JSONArray trailersList = movieJSON.getJSONArray(mContext.getString(R.string.jsonresults));
    mTrailers = new ArrayList<>();

    for (int i = 0; i < trailersList.length(); i++) {
        JSONObject titleJSON = trailersList.getJSONObject(i);
        if (titleJSON.getString(mContext.getString(R.string.jsonsite)).equalsIgnoreCase("YouTube")) {
            TrailerItem t = new TrailerItem(titleJSON.getString(mContext.getString(R.string.jsonname)),
                    titleJSON.getString(mContext.getString(R.string.jsonkey)));
            mTrailers.add(t);
        }
    }
    return mTrailers;
}

From source file:de.btobastian.javacord.utils.handler.message.MessageBulkDeleteHandler.java

@Override
public void handle(JSONObject packet) {
    JSONArray messageIds = packet.getJSONArray("ids");
    for (int i = 0; i < messageIds.length(); i++) {
        String messageId = messageIds.getString(i);
        final Message message = api.getMessageById(messageId);
        if (message == null) {
            return; // no cached version available
        }//from   w w w  .j av  a2  s .  c  o m
        listenerExecutorService.submit(new Runnable() {
            @Override
            public void run() {
                List<MessageDeleteListener> listeners = api.getListeners(MessageDeleteListener.class);
                synchronized (listeners) {
                    for (MessageDeleteListener listener : listeners) {
                        try {
                            listener.onMessageDelete(api, message);
                        } catch (Throwable t) {
                            logger.warn("Uncaught exception in MessageDeleteListener!", t);
                        }
                    }
                }
            }
        });
    }
}

From source file:com.miz.service.TraktMoviesSyncService.java

/**
 * Get movie collection from Trakt//from w  w  w. ja  v a 2  s  .  c om
 */
private void downloadMovieCollection() {
    JSONArray jsonArray = Trakt.getMovieLibrary(this, Trakt.COLLECTION);
    if (jsonArray.length() > 0) {
        for (int i = 0; i < jsonArray.length(); i++) {
            try {
                mMovieCollection.add(String.valueOf(jsonArray.getJSONObject(i).get("tmdb_id")));
            } catch (Exception e) {
            }
        }
    }

    jsonArray = null;
}

From source file:com.miz.service.TraktMoviesSyncService.java

private void downloadWatchedMovies() {
    JSONArray jsonArray = Trakt.getMovieLibrary(this, Trakt.WATCHED);
    if (jsonArray.length() > 0) {
        for (int i = 0; i < jsonArray.length(); i++) {
            try {
                String tmdbId = String.valueOf(jsonArray.getJSONObject(i).get("tmdb_id"));
                mWatchedMovies.add(tmdbId);
                mMovieDatabase.updateMovieSingleItem(tmdbId, DbAdapterMovies.KEY_HAS_WATCHED, "1");
            } catch (Exception e) {
            }/*from   ww  w.  j  av a  2 s.c o m*/
        }
    }
}