Example usage for org.json JSONArray length

List of usage examples for org.json JSONArray length

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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:com.inductiveautomation.reporting.examples.datasource.common.RestJsonDataSource.java

/**
 * Creates and returns {@link Dataset} with String column types from a {@link JSONArray}.  Returns empty if no data
 * was found and an exception was not thrown.
 *//*from   w  w w. j ava  2s  . c o  m*/
private Dataset createDatasetFromJSONArray(JSONArray jsonArray) throws JSONException {
    Dataset ds = null;

    if (jsonArray.length() >= 1) {
        // JSON objects in an array may not have values for each key, so make sure we
        // get the full keyset
        JSONObject reference = findReferenceObjectIndex(jsonArray);

        // get column names from the reference object
        List<String> colNames = new ArrayList<>();
        Iterator keys = reference.keys();
        while (keys.hasNext()) {
            colNames.add(keys.next().toString());
        }

        // now start building dataset to pass into report engine
        DatasetBuilder builder = new DatasetBuilder();
        builder.colNames(colNames.toArray(new String[colNames.size()]));

        // set the column types. We're using all strings in this example, but we could be
        // checking for numeric types and setting different column types to enable calculations
        Class[] types = new Class[colNames.size()];
        for (int i = 0; i < types.length; i++) {
            types[i] = String.class;
        }
        builder.colTypes(types);

        // now create rows for each json list value
        for (int row = 0; row < jsonArray.length(); row++) {
            String[] rowData = new String[colNames.size()];
            for (int col = 0; col < colNames.size(); col++) {
                try {
                    rowData[col] = jsonArray.getJSONObject(row).get(colNames.get(col)).toString();
                } catch (JSONException e) {
                    // ignore because it just means this object didn't have our key
                }
            }
            builder.addRow(rowData);
        }
        ds = builder.build();
    }
    return ds != null ? ds : new BasicDataset();
}

From source file:org.aosutils.android.youtube.YtApiClientV3.java

private static SearchResultIds searchYtIds(String query, String type, int maxResults, String pageToken,
        String apiKey) throws IOException, JSONException {
    ArrayList<String> ids = new ArrayList<>();

    Builder uriBuilder = new Uri.Builder().scheme("https").authority("www.googleapis.com")
            .path("/youtube/v3/search").appendQueryParameter("key", apiKey).appendQueryParameter("part", "id")
            .appendQueryParameter("order", "relevance")
            .appendQueryParameter("maxResults", Integer.toString(maxResults)).appendQueryParameter("q", query);

    if (type != null) {
        uriBuilder.appendQueryParameter("type", type);
    }//from  w  w w  .  j a va 2s .c  om
    if (pageToken != null) {
        uriBuilder.appendQueryParameter("pageToken", pageToken);
    }

    String uri = uriBuilder.build().toString();
    String output = HttpUtils.get(uri, null, _YtApiConstants.HTTP_TIMEOUT);

    JSONObject jsonObject = new JSONObject(output);

    String nextPageToken = jsonObject.has("nextPageToken") ? jsonObject.getString("nextPageToken") : null;
    JSONArray items = jsonObject.getJSONArray("items");

    for (int i = 0; i < items.length(); i++) {
        JSONObject item = items.getJSONObject(i);
        JSONObject id = item.getJSONObject("id");

        ids.add(id.has("videoId") ? id.getString("videoId") : id.getString("playlistId"));
    }

    SearchResultIds searchResult = new SearchResultIds(ids, nextPageToken);

    return searchResult;
}

From source file:org.aosutils.android.youtube.YtApiClientV3.java

private static SearchResultIds playlistVideoIds(String playlistId, int maxResults, String pageToken,
        String apiKey) throws IOException, JSONException {
    ArrayList<String> ids = new ArrayList<>();

    Builder uriBuilder = new Uri.Builder().scheme("https").authority("www.googleapis.com")
            .path("/youtube/v3/playlistItems").appendQueryParameter("key", apiKey)
            .appendQueryParameter("part", "id,snippet")
            .appendQueryParameter("maxResults", Integer.toString(maxResults))
            .appendQueryParameter("playlistId", playlistId);

    if (pageToken != null) {
        uriBuilder.appendQueryParameter("pageToken", pageToken);
    }//ww w . j av  a2 s  . c o  m

    String uri = uriBuilder.build().toString();
    String output = HttpUtils.get(uri, null, _YtApiConstants.HTTP_TIMEOUT);

    JSONObject jsonObject = new JSONObject(output);

    String nextPageToken = jsonObject.has("nextPageToken") ? jsonObject.getString("nextPageToken") : null;
    JSONArray items = jsonObject.getJSONArray("items");

    for (int i = 0; i < items.length(); i++) {
        JSONObject item = items.getJSONObject(i);
        JSONObject snippet = item.getJSONObject("snippet");

        JSONObject resourceId = snippet.getJSONObject("resourceId");
        ids.add(resourceId.getString("videoId"));
    }

    SearchResultIds searchResult = new SearchResultIds(ids, nextPageToken);

    return searchResult;
}

From source file:org.aosutils.android.youtube.YtApiClientV3.java

public static ArrayList<YtPlaylist> getPlaylistInfo(Collection<String> playlistIds, String apiKey)
        throws IOException, JSONException {
    ArrayList<YtPlaylist> playlists = new ArrayList<>();

    String uri = new Uri.Builder().scheme("https").authority("www.googleapis.com").path("/youtube/v3/playlists")
            .appendQueryParameter("key", apiKey).appendQueryParameter("part", "id,snippet")
            .appendQueryParameter("id", TextUtils.join(",", playlistIds)).build().toString();

    String output = HttpUtils.get(uri, null, _YtApiConstants.HTTP_TIMEOUT);
    JSONObject jsonObject = new JSONObject(output);

    JSONArray items = jsonObject.getJSONArray("items");
    for (int i = 0; i < items.length(); i++) {
        JSONObject item = items.getJSONObject(i);

        String playlistId = item.getString("id");
        String title = item.getJSONObject("snippet").getString("title");
        String description = item.getJSONObject("snippet").getString("description");

        YtPlaylist playlist = new YtPlaylist(playlistId, title, description);
        playlists.add(playlist);/*from www  . j a  va  2 s  .c om*/
    }

    return playlists;
}

From source file:org.aosutils.android.youtube.YtApiClientV3.java

public static ArrayList<YtVideo> getVideoInfo(Collection<String> videoIds, String apiKey)
        throws IOException, JSONException {
    ArrayList<YtVideo> videos = new ArrayList<>();

    String uri = new Uri.Builder().scheme("https").authority("www.googleapis.com").path("/youtube/v3/videos")
            .appendQueryParameter("key", apiKey).appendQueryParameter("part", "id,snippet,contentDetails")
            .appendQueryParameter("id", TextUtils.join(",", videoIds)).build().toString();

    String output = HttpUtils.get(uri, null, _YtApiConstants.HTTP_TIMEOUT);
    JSONObject jsonObject = new JSONObject(output);

    JSONArray items = jsonObject.getJSONArray("items");
    for (int i = 0; i < items.length(); i++) {
        JSONObject item = items.getJSONObject(i);

        String videoId = item.getString("id");
        String title = item.getJSONObject("snippet").getString("title");
        String description = item.getJSONObject("snippet").getString("description");

        String durationStr = item.getJSONObject("contentDetails").getString("duration");

        int hours = !durationStr.contains("H") ? 0
                : Integer.parseInt(
                        durationStr.substring(durationStr.indexOf("PT") + 2, durationStr.indexOf("H")));
        int minutes = !durationStr.contains("M") ? 0
                : hours > 0//from   w w  w.j a v  a 2s .com
                        ? Integer.parseInt(
                                durationStr.substring(durationStr.indexOf("H") + 1, durationStr.indexOf("M")))
                        : Integer.parseInt(
                                durationStr.substring(durationStr.indexOf("PT") + 2, durationStr.indexOf("M")));
        int seconds = !durationStr.contains("S") ? 0
                : minutes > 0
                        ? Integer.parseInt(
                                durationStr.substring(durationStr.indexOf("M") + 1, durationStr.indexOf("S")))
                        : hours > 0
                                ? Integer.parseInt(durationStr.substring(durationStr.indexOf("H") + 1,
                                        durationStr.indexOf("S")))
                                : Integer.parseInt(durationStr.substring(durationStr.indexOf("PT") + 2,
                                        durationStr.indexOf("S")));
        int duration = (hours * 60 * 60) + (minutes * 60) + seconds;

        boolean licensedContent = item.getJSONObject("contentDetails").getBoolean("licensedContent");

        YtVideo video = new YtVideo(videoId, title, description, duration);
        video.setIsLicensedContent(licensedContent);
        videos.add(video);
    }

    return videos;
}

From source file:com.abc.driver.MainActivity.java

/**
 * ??? /*w w w  . ja va 2 s.  com*/
 * {"result_code":"0","horders":[{"id":6,"shipper_username":
 * "\u674e\u674e\u90bb\u5c45\u5929",
 * "shipper_phone":"","shipper_date":"2015-03-15 00:00:00"
 * ,"shipper_address_code":"110000-110100-110101",
 * "consignee_username":"","consignee_phone"
 * :"","consignee_address_code":"110000-110100-110101",
 * "delivery_time":"0000-00-00 00:00:00"
 * ,"truck_type":"","truck_length":"","cargo_type":"CT1",
 * "cargo_volume":"\u6d4b\u8bd5",
 * "cargo_weight":"\u6d4b\u8bd5\u554a","horder_desc"
 * :"","user_id":9,"status":0, "created_at":"2015-03-15 03:30:50",
 * "updated_at":"2015-03-15 03:30:50"},}]}
 * 
 * @param jsonResult
 */
public void parseJson(JSONObject jsonResult) {
    HashMap<String, Object> mHorder;
    try {
        if (jsonResult.get("horders") != JSONObject.NULL) {
            JSONArray results = jsonResult.getJSONArray("horders");
            if (results.length() < CellSiteConstants.PAGE_COUNT) {
                mHorderTypes[mCurrRadioIdx].hasShowAllHorders = true;
            }

            for (int i = 0; i < results.length(); i++) {
                try {
                    JSONObject resultObj = (JSONObject) results.get(i);
                    mHorder = new HashMap<String, Object>();
                    mHorder.put(CellSiteConstants.SHIPPER_USERNAME,
                            resultObj.getString(CellSiteConstants.SHIPPER_USERNAME));
                    mHorder.put("horder_id", (resultObj).getString(CellSiteConstants.ID));
                    // TODO : 
                    int counter = 0;

                    mHorderTypes[mCurrRadioIdx].nHorders.add(mHorder);
                } catch (Exception e) {
                    mHasExceptionHorder = true;
                    continue;
                }

            }

        }

    } catch (JSONException e) {
        Log.d(TAG, "JSONException" + e.toString());

    }

}

From source file:com.abc.driver.MainActivity.java

/**
 * ??? //ww w .j a v  a2s.c o m
 * {"result_code":"0","horders":[{"id":6,"shipper_username":
 * "\u674e\u674e\u90bb\u5c45\u5929",
 * "shipper_phone":"","shipper_date":"2015-03-15 00:00:00"
 * ,"shipper_address_code":"110000-110100-110101",
 * "consignee_username":"","consignee_phone"
 * :"","consignee_address_code":"110000-110100-110101",
 * "delivery_time":"0000-00-00 00:00:00"
 * ,"truck_type":"","truck_length":"","cargo_type":"CT1",
 * "cargo_volume":"\u6d4b\u8bd5",
 * "cargo_weight":"\u6d4b\u8bd5\u554a","horder_desc"
 * :"","user_id":9,"status":0, "created_at":"2015-03-15 03:30:50",
 * "updated_at":"2015-03-15 03:30:50"},}]}
 * 
 * @param jsonResult
 */
public void parseFHorderJson(JSONObject jsonResult) {
    HashMap<String, Object> mHorder;
    try {
        if (jsonResult.get("horders") != JSONObject.NULL) {
            JSONArray results = jsonResult.getJSONArray("horders");
            if (results.length() < CellSiteConstants.PAGE_COUNT) {
                mFHorderTypes.hasShowAllHorders = true;
            }

            for (int i = 0; i < results.length(); i++) {
                try {
                    JSONObject resultObj = (JSONObject) results.get(i);
                    JSONArray repliedDriversObj = null;
                    mHorder = new HashMap<String, Object>();

                    mHorder.put(CellSiteConstants.ALREADY_REPLIED, 0);
                    try {
                        // 1. ???repliedtag 1 ?0
                        // 2.
                        repliedDriversObj = resultObj.getJSONArray(CellSiteConstants.REPLIED_DRIVERS);
                        if (repliedDriversObj != null) {
                            for (int j = 0; j < repliedDriversObj.length(); j++) {
                                String driver_id = ((JSONObject) repliedDriversObj.get(i))
                                        .getString(CellSiteConstants.DRIVER_ID);
                                if (driver_id.equals("" + app.getUser().getId())) {
                                    mHorder.put(CellSiteConstants.ALREADY_REPLIED, 1);
                                    break;
                                }

                            }
                            mHorder.put(CellSiteConstants.REPLIED_DRIVERS_COUNT, repliedDriversObj.length());
                        }
                    } catch (Exception e) {

                    }

                    mHorder.put(CellSiteConstants.SHIPPER_USERNAME,
                            resultObj.getString(CellSiteConstants.SHIPPER_USERNAME));
                    mHorder.put(CellSiteConstants.HORDER_ID, (resultObj).getString(CellSiteConstants.ID));
                    mHorder.put(CellSiteConstants.SHIPPER_PHONE,
                            (resultObj).getString(CellSiteConstants.SHIPPER_PHONE));
                    mHorder.put(CellSiteConstants.USER_ID, (resultObj).getString(CellSiteConstants.USER_ID));

                    CityDBReader dbReader = new CityDBReader(this.getApplicationContext());
                    mHorder.put(CellSiteConstants.SHIPPER_ADDRESS_NAME, dbReader
                            .getNameFromCode((resultObj).getString(CellSiteConstants.SHIPPER_ADDRESS_CODE_IN)));
                    mHorder.put(CellSiteConstants.CONSIGNEE_ADDRESS_NAME, dbReader
                            .getNameFromCode((resultObj).getString(CellSiteConstants.CONSIGNEE_ADDRESS_CODE2)));
                    mHorder.put(CellSiteConstants.CARGO_TYPE,
                            (resultObj).getString(CellSiteConstants.CARGO_TYPE));
                    mHorder.put(CellSiteConstants.CARGO_WEIGHT,
                            (resultObj).getString(CellSiteConstants.CARGO_WEIGHT));
                    mHorder.put(CellSiteConstants.CARGO_VOLUME,
                            (resultObj).getString(CellSiteConstants.CARGO_VOLUME));
                    mHorder.put(CellSiteConstants.TRUCK_TYPE,
                            (resultObj).getString(CellSiteConstants.TRUCK_TYPE));
                    mHorder.put(CellSiteConstants.HORDER_STATUS,
                            (resultObj).getString(CellSiteConstants.STATUS));
                    mHorder.put(CellSiteConstants.SHIPPER_DATE,
                            (resultObj).getString(CellSiteConstants.SHIPPER_DATE));
                    mHorder.put(CellSiteConstants.HORDER_DESCRIPTION,
                            (resultObj).getString(CellSiteConstants.HORDER_DESCRIPTION));
                    mHorder.put(CellSiteConstants.SHIPPER_USERNAME,
                            (resultObj).getString(CellSiteConstants.SHIPPER_USERNAME));

                    // TODO :
                    int counter = 0;

                    mFHorderTypes.nHorders.add(mHorder);
                } catch (Exception e) {
                    mHasExceptionFHorder = true;
                    continue;
                }

            }

        }

    } catch (JSONException e) {
        Log.d(TAG, "JSONException" + e.toString());

    }

}

From source file:com.gmail.boiledorange73.ut.map.MapActivityBase.java

/**
 * Called when JS sends the message.//from w ww. j av  a 2  s.co  m
 * 
 * @param bridge
 *            Receiver instance.
 * @param code
 *            The code name. This looks like the name of function.
 * @param message
 *            The message. This looks like the argument of function. This is
 *            usually expressed as JSON.
 */
@Override
public void onArriveMessage(JSBridge bridge, String code, String message) {
    if (code == null) {
    } else if (code.equals("onLoad")) {
        this.mMaptypeList = new ArrayList<ValueText<String>>();
        this.mLoaded = true;
        // executes queued commands.
        this.execute(null);
        JSONArray json = null;
        try {
            json = new JSONArray(message);
        } catch (JSONException e) {
            e.printStackTrace();
        }
        if (json != null) {
            for (int n = 0; n < json.length(); n++) {
                JSONObject one = null;
                try {
                    one = json.getJSONObject(n);
                } catch (JSONException e) {
                    e.printStackTrace();
                }
                if (one != null) {
                    String id = null, name = null;
                    try {
                        id = one.getString("id");
                        name = one.getString("name");
                    } catch (JSONException e) {
                        e.printStackTrace();
                    }
                    if (id != null && name != null) {
                        this.mMaptypeList.add(new ValueText<String>(id, name));
                    }
                }
            }
        }
        // restores map state (2013/08/07)
        if (this.mInternalMapState != null) {
            this.restoreMapState(this.mInternalMapState.id, this.mInternalMapState.lon,
                    this.mInternalMapState.lat, this.mInternalMapState.z);
            this.mInternalMapState = null;
        }
        // request to create menu items.
        this.invalidateOptionsMenuIfPossible();
    } else if (code.equals("getCurrentMapState")) {
        if (message == null || !(message.length() > 0)) {
            // DOES NOTHING
        } else {
            try {
                JSONObject json = new JSONObject(message);
                this.mInternalMapState = new MapState();
                this.mInternalMapState.id = json.getString("id");
                this.mInternalMapState.lat = json.getDouble("lat");
                this.mInternalMapState.lon = json.getDouble("lon");
                this.mInternalMapState.z = json.getInt("z");
            } catch (JSONException e) {
                e.printStackTrace();
            }
        }
        this.mWaitingForgetCurrentMapState = false;
    } else if (code.equals("getCurrentZoomState")) {
        if (message == null) {
            // DOES NOTHING
        } else {
            try {
                JSONObject json = new JSONObject(message);
                this.mZoomState = new ZoomState();
                this.mZoomState.minzoom = json.getInt("minzoom");
                this.mZoomState.maxzoom = json.getInt("maxzoom");
                this.mZoomState.currentzoom = json.getInt("currentzoom");
            } catch (JSONException e) {
                e.printStackTrace();
            }
            this.mWaitingForgetCurrentZoomState = false;
        }
    } else if (code.equals("alert")) {
        // shows alert text.
        (new AlertDialog.Builder(this)).setTitle(this.getTitle()).setMessage(message != null ? message : "")
                .setCancelable(true).setPositiveButton(android.R.string.ok, null).show();
    }
}

From source file:com.microsoft.research.webngram.service.impl.LookupServiceImpl.java

@Override
public List<Double> getConditionalProbabilities(String authorizationToken, String modelUrn,
        List<String> phrases) {
    try {//from w  ww.  ja v  a 2s  .c o m
        List<Double> probabilities = new ArrayList<Double>();
        NgramServiceApiUrlBuilder urlBuilder = createNgramServiceApiUrlBuilder(
                NgramServiceApiUrls.GET_CONDITIONAL_PROBABILITIES_URL);
        String apiUrl = urlBuilder.withField(ParameterNames.MODEL_URL, modelUrn)
                .withParameter(ParameterNames.USER_TOKEN, authorizationToken).buildUrl();
        JSONArray array = new JSONArray(
                convertStreamToString(callApiMethod(apiUrl, getPostBody(phrases), null, "POST", 200)));
        for (int i = 0; i < array.length(); i++) {
            probabilities.add(array.getDouble(i));
        }
        return probabilities;
    } catch (Exception e) {
        throw new NgramServiceException("An error occurred while getting conditional probabilities.", e);
    }
}

From source file:com.microsoft.research.webngram.service.impl.LookupServiceImpl.java

@Override
public List<String> getModels() {
    try {/*from  w  w w  . ja  v a  2 s .co m*/
        List<String> models = new ArrayList<String>();
        NgramServiceApiUrlBuilder urlBuilder = createNgramServiceApiUrlBuilder(NgramServiceApiUrls.LOOKUP_URL);
        String apiUrl = urlBuilder.buildUrl();
        JSONArray array = new JSONArray(convertStreamToString(callApiGet(apiUrl)));
        for (int i = 0; i < array.length(); i++) {
            models.add(array.getString(i));
        }
        return models;
    } catch (Exception e) {
        throw new NgramServiceException("An error occurred while getting models.", e);
    }
}