Java Code Examples for com.amazonaws.util.json.JSONObject#getString()

@Override
public void execute(Tuple input,  BasicOutputCollector collector) {
    Record record = (Record)input.getValueByField(DefaultKinesisRecordScheme.FIELD_RECORD);
    ByteBuffer buffer = record.getData();
    String data = null; 
    try {
        data = decoder.decode(buffer).toString();
        JSONObject jsonObject = new JSONObject(data);

        String referrer = jsonObject.getString("referrer");

        int firstIndex = referrer.indexOf('.');
        int nextIndex = referrer.indexOf('.',firstIndex+1);
        collector.emit(new Values(referrer.substring(firstIndex+1,nextIndex)));

    } catch (CharacterCodingException|JSONException|IllegalStateException e) {
        LOG.error("Exception when decoding record ", e);
    }
}
 

private void queryRectangle(JSONObject requestObject, PrintWriter out) throws IOException, JSONException {
	GeoPoint minPoint = new GeoPoint(requestObject.getDouble("minLat"), requestObject.getDouble("minLng"));
	GeoPoint maxPoint = new GeoPoint(requestObject.getDouble("maxLat"), requestObject.getDouble("maxLng"));
	String filterUserId = requestObject.getString("filterUserId");

	List<String> attributesToGet = new ArrayList<String>();
	attributesToGet.add(config.getRangeKeyAttributeName());
	attributesToGet.add(config.getGeoJsonAttributeName());
	attributesToGet.add("title");
	attributesToGet.add("userId");

	QueryRectangleRequest queryRectangleRequest = new QueryRectangleRequest(minPoint, maxPoint);
	queryRectangleRequest.getQueryRequest().setAttributesToGet(attributesToGet);
	QueryRectangleResult queryRectangleResult = geoDataManager.queryRectangle(queryRectangleRequest);

	printGeoQueryResult(queryRectangleResult, out, filterUserId);
}
 

private void queryRadius(JSONObject requestObject, PrintWriter out) throws IOException, JSONException {
	GeoPoint centerPoint = new GeoPoint(requestObject.getDouble("lat"), requestObject.getDouble("lng"));
	double radiusInMeter = requestObject.getDouble("radiusInMeter");
	String filterUserId = requestObject.getString("filterUserId");

	List<String> attributesToGet = new ArrayList<String>();
	attributesToGet.add(config.getRangeKeyAttributeName());
	attributesToGet.add(config.getGeoJsonAttributeName());
	attributesToGet.add("title");
	attributesToGet.add("userId");

	QueryRadiusRequest queryRadiusRequest = new QueryRadiusRequest(centerPoint, radiusInMeter);
	queryRadiusRequest.getQueryRequest().setAttributesToGet(attributesToGet);
	QueryRadiusResult queryRadiusResult = geoDataManager.queryRadius(queryRadiusRequest);

	printGeoQueryResult(queryRadiusResult, out, filterUserId);
}
 

protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException,
		IOException {
	try {
		StringBuffer buffer = new StringBuffer();
		String line = null;
		BufferedReader reader = request.getReader();

		while ((line = reader.readLine()) != null) {
			buffer.append(line);
		}

		JSONObject jsonObject = new JSONObject(buffer.toString());
		PrintWriter out = response.getWriter();

		String action = jsonObject.getString("action");
		log("action: " + action);
		JSONObject requestObject = jsonObject.getJSONObject("request");
		log("requestObject: " + requestObject);

		if (action.equalsIgnoreCase("put-point")) {
			putPoint(requestObject, out);
		} else if (action.equalsIgnoreCase("get-point")) {
			getPoint(requestObject, out);
		} else if (action.equalsIgnoreCase("query-rectangle")) {
			queryRectangle(requestObject, out);
		} else if (action.equalsIgnoreCase("query-radius")) {
			queryRadius(requestObject, out);
		} else if (action.equalsIgnoreCase("delete-point")) {
			deletePoint(requestObject, out);
		}
	} catch (Exception e) {
		StringWriter sw = new StringWriter();
		PrintWriter pw = new PrintWriter(sw);
		e.printStackTrace(pw);
		log(sw.toString());
	}
}
 

protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException,
		IOException {
	try {
		StringBuffer buffer = new StringBuffer();
		String line = null;
		BufferedReader reader = request.getReader();

		while ((line = reader.readLine()) != null) {
			buffer.append(line);
		}

		JSONObject jsonObject = new JSONObject(buffer.toString());
		PrintWriter out = response.getWriter();

		String action = jsonObject.getString("action");
		log("action: " + action);
		JSONObject requestObject = jsonObject.getJSONObject("request");
		log("requestObject: " + requestObject);

		if (action.equalsIgnoreCase("put-point")) {
			putPoint(requestObject, out);
		} else if (action.equalsIgnoreCase("get-point")) {
			getPoint(requestObject, out);
		} else if (action.equalsIgnoreCase("update-point")) {
			updatePoint(requestObject, out);
		} else if (action.equalsIgnoreCase("query-rectangle")) {
			queryRectangle(requestObject, out);
		} else if (action.equalsIgnoreCase("query-radius")) {
			queryRadius(requestObject, out);
		} else if (action.equalsIgnoreCase("delete-point")) {
			deletePoint(requestObject, out);
		}
	} catch (Exception e) {
		StringWriter sw = new StringWriter();
		PrintWriter pw = new PrintWriter(sw);
		e.printStackTrace(pw);
		log(sw.toString());
	}
}
 

private void updatePoint(JSONObject requestObject, PrintWriter out) throws IOException, JSONException {
	GeoPoint geoPoint = new GeoPoint(requestObject.getDouble("lat"), requestObject.getDouble("lng"));
	AttributeValue rangeKeyAttributeValue = new AttributeValue().withS(requestObject.getString("rangeKey"));

	String schoolName = requestObject.getString("schoolName");
	AttributeValueUpdate schoolNameValueUpdate = null;

	String memo = requestObject.getString("memo");
	AttributeValueUpdate memoValueUpdate = null;

	if (schoolName == null || schoolName.equalsIgnoreCase("")) {
		schoolNameValueUpdate = new AttributeValueUpdate().withAction(AttributeAction.DELETE);
	} else {
		AttributeValue schoolNameAttributeValue = new AttributeValue().withS(schoolName);
		schoolNameValueUpdate = new AttributeValueUpdate().withAction(AttributeAction.PUT).withValue(
				schoolNameAttributeValue);
	}

	if (memo == null || memo.equalsIgnoreCase("")) {
		memoValueUpdate = new AttributeValueUpdate().withAction(AttributeAction.DELETE);
	} else {
		AttributeValue memoAttributeValue = new AttributeValue().withS(memo);
		memoValueUpdate = new AttributeValueUpdate().withAction(AttributeAction.PUT).withValue(memoAttributeValue);
	}

	UpdatePointRequest updatePointRequest = new UpdatePointRequest(geoPoint, rangeKeyAttributeValue);
	updatePointRequest.getUpdateItemRequest().addAttributeUpdatesEntry("schoolName", schoolNameValueUpdate);
	updatePointRequest.getUpdateItemRequest().addAttributeUpdatesEntry("memo", memoValueUpdate);

	UpdatePointResult updatePointResult = geoDataManager.updatePoint(updatePointRequest);

	printUpdatePointResult(updatePointResult, out);
}