Example usage for org.json JSONObject isNull

Introduction

In this page you can find the example usage for org.json JSONObject isNull.

Prototype

public boolean isNull(String key) 

Source Link

Document

Determine if the value associated with the key is null or if there is no value.

Usage

From source file:org.mixare.data.Json.java

public Marker processTwitterJSONObject(JSONObject jo, DataSource datasource)
        throws NumberFormatException, JSONException {
    Marker ma = null;/*  www .j ava  2  s  .  co m*/
    if (jo.has("geo")) {
        Double lat = null, lon = null;

        if (!jo.isNull("geo")) {
            JSONObject geo = jo.getJSONObject("geo");
            JSONArray coordinates = geo.getJSONArray("coordinates");
            lat = Double.parseDouble(coordinates.getString(0));
            lon = Double.parseDouble(coordinates.getString(1));
        } else if (jo.has("location")) {

            // Regex pattern to match location information
            // from the location setting, like:
            // iPhone: 12.34,56.78
            // T: 12.34,56.78
            // 12.34,56.78

            Pattern pattern = Pattern.compile("\\D*([0-9.]+),\\s?([0-9.]+)");
            Matcher matcher = pattern.matcher(jo.getString("location"));

            if (matcher.find()) {
                lat = Double.parseDouble(matcher.group(1));
                lon = Double.parseDouble(matcher.group(2));
            }
        }
        if (lat != null) {
            Log.v(MixView.TAG, "processing Twitter JSON object");
            String user = jo.getString("from_user");
            String url = "http://twitter.com/" + user;

            ma = new SocialMarker(user + ": " + jo.getString("text"), lat, lon, 0, url, datasource);
        }
    }
    return ma;
}

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From source file:org.uiautomation.ios.context.BaseWebInspector.java

private <T> T cast_(JSONObject body) throws JSONException {
    List<String> primitives = new ArrayList<String>();
    primitives.add("boolean");
    primitives.add("number");
    primitives.add("string");

    String type = body.getString("type");
    // handle null return
    if ("undefined".equals(type)) {
        return (T) null;
    }//from w ww .j a v  a  2s.c om

    // handle primitive types.
    if (primitives.contains(type)) { // primitive type.
        Object value = body.get("value");
        return (T) value;
    }

    // handle objects
    if ("object".equals(type)) {
        if (body.has("value") && body.isNull("value")) {
            return (T) null;
        }

        if ("array".equals(body.optString("subtype"))) {
            RemoteObject array = new RemoteObject(body.getString("objectId"), this);
            RemoteObjectArray a = new RemoteObjectArray(array);
            ArrayList<Object> res = new ArrayList<Object>();
            for (Object ro : a) {
                res.add(ro);
            }
            return (T) res;
        }

        if (body.has("objectId")) {
            if ("node".equals(body.optString("subtype")) || "Window".equals(body.optString("className"))) {
                return (T) new RemoteObject(body.getString("objectId"), this);
            } else {
                RemoteObject ro = new RemoteObject(body.getString("objectId"), this);
                JSONObject o = new JSONObject(ro.stringify());
                return (T) o;
            }

        }
        return (T) new RemoteObject(body.getString("objectId"), this);

    }
    throw new RuntimeException("NI " + body);
}

---

From source file:com.ibm.mobilefirstplatform.clientsdk.android.push.api.MFPPushIntentService.java

protected void dismissNotification(String nid) {
    SharedPreferences sharedPreferences = getApplicationContext().getSharedPreferences(MFPPush.PREFS_NAME,
            Context.MODE_PRIVATE);
    int countOfStoredMessages = sharedPreferences.getInt(MFPPush.PREFS_NOTIFICATION_COUNT, 0);

    if (countOfStoredMessages > 0) {
        for (int index = 1; index <= countOfStoredMessages; index++) {

            String key = MFPPush.PREFS_NOTIFICATION_MSG + index;
            try {
                String msg = sharedPreferences.getString(key, null);
                if (msg != null) {
                    JSONObject messageObject = new JSONObject(msg);
                    if (messageObject != null && !messageObject.isNull(NID)) {
                        String id = messageObject.getString(NID);
                        if (id != null && id.equals(nid)) {
                            MFPPushUtils.removeContentFromSharedPreferences(sharedPreferences, key);
                            MFPPushUtils.storeContentInSharedPreferences(sharedPreferences,
                                    MFPPush.PREFS_NOTIFICATION_COUNT, countOfStoredMessages - 1);
                            NotificationManager mNotificationManager = (NotificationManager) this
                                    .getSystemService(Context.NOTIFICATION_SERVICE);
                            mNotificationManager.cancel(messageObject.getInt(NOTIFICATIONID));
                        }/*  w  w w.j a va 2  s .c o  m*/
                    }
                }
            } catch (JSONException e) {
                logger.error("MFPPushIntentService: dismissNotification() - Failed to dismiss notification.");
            }
        }
    }
}

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From source file:com.wordsbaking.cordova.wechat.WeChat.java

private void share(JSONArray args, CallbackContext callbackContext) throws JSONException, NullPointerException {
    // check if installed
    if (!api.isWXAppInstalled()) {
        callbackContext.error(ERR_WECHAT_NOT_INSTALLED);
        return;/*from  w w w  .  j a v a 2 s .  c  o  m*/
    }

    JSONObject params = args.getJSONObject(0);

    if (params == null) {
        callbackContext.error(ERR_INVALID_OPTIONS);
        return;
    }

    SendMessageToWX.Req request = new SendMessageToWX.Req();

    request.transaction = String.valueOf(System.currentTimeMillis());

    int paramScene = params.getInt("scene");

    switch (paramScene) {
    case SCENE_SESSION:
        request.scene = SendMessageToWX.Req.WXSceneSession;
        break;
    // wechat android sdk does not support chosen by user
    case SCENE_CHOSEN_BY_USER:
    case SCENE_TIMELINE:
    default:
        request.scene = SendMessageToWX.Req.WXSceneTimeline;
        break;
    }

    WXMediaMessage message = null;

    String text = null;
    JSONObject messageOptions = null;

    if (!params.isNull("text")) {
        text = params.getString("text");
    }

    if (!params.isNull("message")) {
        messageOptions = params.getJSONObject("message");
    }

    if (messageOptions != null) {
        String url = null;
        String data = null;

        if (!messageOptions.isNull("url")) {
            url = messageOptions.getString("url");
        }

        if (!messageOptions.isNull("data")) {
            data = messageOptions.getString("data");
        }

        int type = SHARE_TYPE_WEBPAGE;

        if (!messageOptions.isNull("type")) {
            type = messageOptions.getInt("type");
        }

        switch (type) {
        case SHARE_TYPE_APP:
            break;
        case SHARE_TYPE_EMOTION:
            break;
        case SHARE_TYPE_FILE:
            break;
        case SHARE_TYPE_IMAGE:
            WXImageObject imageObject = new WXImageObject();
            if (url != null) {
                imageObject.imageUrl = url;
            } else if (data != null) {
                imageObject.imageData = Base64.decode(data, Base64.DEFAULT);
            } else {
                callbackContext.error(ERR_INVALID_OPTIONS);
                return;
            }
            message = new WXMediaMessage(imageObject);
            break;
        case SHARE_TYPE_MUSIC:
            break;
        case SHARE_TYPE_VIDEO:
            break;
        case SHARE_TYPE_WEBPAGE:
        default:
            WXWebpageObject webpageObject = new WXWebpageObject();
            webpageObject.webpageUrl = url;
            message = new WXMediaMessage(webpageObject);
            break;
        }

        if (message == null) {
            callbackContext.error(ERR_UNSUPPORTED_MEDIA_TYPE);
            return;
        }

        if (!messageOptions.isNull("title")) {
            message.title = messageOptions.getString("title");
        }

        if (!messageOptions.isNull("description")) {
            message.description = messageOptions.getString("description");
        }

        if (!messageOptions.isNull("thumbData")) {
            String thumbData = messageOptions.getString("thumbData");
            message.thumbData = Base64.decode(thumbData, Base64.DEFAULT);
        }
    } else if (text != null) {
        WXTextObject textObject = new WXTextObject();
        textObject.text = text;

        message = new WXMediaMessage(textObject);
        message.description = text;
    } else {
        callbackContext.error(ERR_INVALID_OPTIONS);
        return;
    }

    request.message = message;

    try {
        boolean success = api.sendReq(request);
        if (!success) {
            callbackContext.error(ERR_UNKNOWN);
            return;
        }
    } catch (Exception e) {
        callbackContext.error(e.getMessage());
        return;
    }

    currentCallbackContext = callbackContext;
}

---

From source file:net.dv8tion.jda.core.requests.ErrorResponse.java

public static ErrorResponse fromJSON(JSONObject obj) {
    if (obj == null || obj.isNull("code"))
        return SERVER_ERROR;
    else {// w  ww . ja  v  a  2 s.c  o  m
        return ErrorResponse.fromCode(obj.getInt("code"));
    }
}

---

From source file:com.hotstar.player.adplayer.feeds.ReferencePlayerFeedItemAdapter.java

/**
 * Gets field value from JSON object given field name
 * //ww w.  j  a v a  2s .  com
 * @param jsonObject
 *            - JSON object to search in
 * @param fieldName
 *            - field name to be searched for
 * @return String - field value or null if field name does not exist or
 *         field value is empty
 */
protected String getString(JSONObject jsonObject, String fieldName) {
    /*
    try {
       if (jsonObject.has(fieldName) && !jsonObject.isNull(fieldName)) {
    return jsonObject.getString(fieldName);
       }
    } catch (JSONException e) {
       AdVideoApplication.logger.e(LOG_TAG + "::getString",
       "Error getting field from JSON: " + e.getMessage());
    }
    */

    try {
        Iterator<String> iter = jsonObject.keys();
        while (iter.hasNext()) {
            String key1 = iter.next();
            if (key1.equalsIgnoreCase(fieldName)) {
                if (!jsonObject.isNull(key1))
                    return jsonObject.getString(key1);
                else
                    return null;
            }
        }
    } catch (JSONException e) {
        AdVideoApplication.logger.e(LOG_TAG + "::getString",
                "Error getting field from JSON: " + e.getMessage());
    }
    return null;
}

---

From source file:de.jackwhite20.japs.client.sub.impl.SubscriberImpl.java

@SuppressWarnings("unchecked")
@Override/*www  . j  av  a 2 s .  com*/
public void received(JSONObject jsonObject) {

    String channel = ((String) jsonObject.remove("ch"));

    if (channel == null || channel.isEmpty()) {
        return;
    }

    HandlerInfo handlerInfo = handlers.get(channel);

    if (handlerInfo != null) {
        if (handlerInfo.classType() == ClassType.JSON) {
            handlerInfo.messageHandler().onMessage(channel, jsonObject);
        } else {
            handlerInfo.messageHandler().onMessage(channel,
                    gson.fromJson(jsonObject.toString(), handlerInfo.clazz()));
        }
    } else {
        MultiHandlerInfo multiHandlerInfo = multiHandlers.get(channel);

        if (multiHandlerInfo != null) {
            //noinspection Convert2streamapi
            for (MultiHandlerInfo.Entry entry : multiHandlerInfo.entries()) {
                if (!jsonObject.isNull(entry.key().value())) {
                    if (jsonObject.get(entry.key().value()).equals(entry.value().value())) {
                        // Remove matched key value pair
                        jsonObject.remove(entry.key().value());

                        if (entry.classType() == ClassType.JSON) {
                            try {
                                // Invoke the matching method
                                entry.method().invoke(multiHandlerInfo.object(), jsonObject);
                            } catch (IllegalAccessException | InvocationTargetException e) {
                                e.printStackTrace();
                            }
                        } else {
                            try {
                                // Deserialize with gson
                                entry.method().invoke(multiHandlerInfo.object(),
                                        gson.fromJson(jsonObject.toString(), entry.paramClass()));
                            } catch (IllegalAccessException | InvocationTargetException e) {
                                e.printStackTrace();
                            }
                        }
                    }
                }
            }
        }
    }
}

---

From source file:com.cssweb.android.view.KlineMini.java

public void initData(JSONObject quoteData) throws JSONException {
    if (!quoteData.isNull("K")) {
        this.quoteData = quoteData;
        this.actualDataLen = quoteData.getJSONArray("K").length();
        if (quoteData.isNull("joTMP") && actualDataLen > 1) {//temp??
            Log.i(">>>>>temp??K??1>>>>>>",
                    ">>>>>>>>>>>>>>>>>>>>" + quoteData);
            this.actualDataLen = quoteData.getJSONArray("K").length() - 1;
            //isTrackNumber = this.actualDataLen - 1;
        } else {//from w  w w  .  j  a  v  a  2 s  .c  o  m
            //isTrackNumber = this.actualDataLen - 1;
            makeTodayData();
        }
    }
}

---

From source file:com.jennifer.ui.chart.ChartBuilder.java

private JSONArray createBrushData(Object brush, JSONArray series_list) {

    JSONArray list = new JSONArray();

    if (brush != null) {

        if (brush instanceof String) {
            JSONObject o = new JSONObject();
            o.put("type", brush);
            list.put(o);// w  w w  .  ja  v a 2  s .c o m
        } else if (brush instanceof JSONObject) {
            list.put(brush);
        } else if (brush instanceof JSONObject) {
            list.put(JSONUtil.clone((JSONObject) brush));
        } else if (brush instanceof JSONArray) {
            list = (JSONArray) brush;
        } else if (brush instanceof JSONArray) {
            list = JSONUtil.clone((JSONArray) brush);
        }

        for (int i = 0, len = list.length(); i < len; i++) {
            JSONObject b = list.getJSONObject(i);
            if (b.isNull("target")) {
                b.put("target", series_list);
            } else if (b.get("target") instanceof String) {
                b.put("target", new JSONArray().put(b.getString("target")));
            }
        }
    }

    return list;
}

---

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