Example usage for org.json.simple JSONObject toString

List of usage examples for org.json.simple JSONObject toString

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Introduction

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

Prototype

@Override
    public String toString()

Source Link

Usage

From source file:com.pinterest.rocksplicator.OnlineOfflineConfigGenerator.java

@Override
public void onCallback(NotificationContext notificationContext) {
    HelixAdmin admin = helixManager.getClusterManagmentTool();

    List<String> resources = admin.getResourcesInCluster(clusterName);

    Set<String> existingHosts = new HashSet<String>();

    // compose cluster config
    JSONObject config = new JSONObject();
    for (String resource : resources) {
        // Resources starting with PARTICIPANT_LEADER is for HelixCustomCodeRunner
        if (resource.startsWith("PARTICIPANT_LEADER")) {
            continue;
        }//from   w  ww. j ava2 s.com

        ExternalView externalView = admin.getResourceExternalView(clusterName, resource);
        Set<String> partitions = externalView.getPartitionSet();

        // compose resource config
        JSONObject resourceConfig = new JSONObject();
        String partitionsStr = externalView.getRecord().getSimpleField("NUM_PARTITIONS");
        resourceConfig.put("num_shards", Integer.parseInt(partitionsStr));

        // build host to partition list map
        Map<String, List<String>> hostToPartitionList = new HashMap<String, List<String>>();
        for (String partition : partitions) {
            String partitionNumber = String.format("%05d", Integer.parseInt(partition.split("_")[1]));
            Map<String, String> hostToState = externalView.getStateMap(partition);
            for (Map.Entry<String, String> entry : hostToState.entrySet()) {
                if (!entry.getValue().equalsIgnoreCase("ONLINE")) {
                    continue;
                }

                existingHosts.add(entry.getKey());
                String hostWithDomain = getHostWithDomain(entry.getKey());
                List<String> partitionList = hostToPartitionList.get(hostWithDomain);
                if (partitionList == null) {
                    partitionList = new ArrayList<String>();
                    hostToPartitionList.put(hostWithDomain, partitionList);
                }

                partitionList.add(partitionNumber);
            }
        }

        // Add host to partition list map to the resource config
        for (Map.Entry<String, List<String>> entry : hostToPartitionList.entrySet()) {
            JSONArray jsonArray = new JSONArray();
            for (String p : entry.getValue()) {
                jsonArray.add(p);
            }

            resourceConfig.put(entry.getKey(), jsonArray);
        }

        // add the resource config to the cluster config
        config.put(resource, resourceConfig);
    }

    // remove host that doesn't exist in the ExternalView from hostToHostWithDomain
    hostToHostWithDomain.keySet().retainAll(existingHosts);

    String newContent = config.toString();
    if (lastPostedContent != null && lastPostedContent.equals(newContent)) {
        LOG.info("Identical external view observed, skip updating config.");
        return;
    }

    // Write the config to ZK
    LOG.info("Generating a new shard config...");

    this.dataParameters.remove("content");
    this.dataParameters.put("content", newContent);
    HttpPost httpPost = new HttpPost(this.postUrl);
    try {
        httpPost.setEntity(new StringEntity(this.dataParameters.toString()));
        HttpResponse response = new DefaultHttpClient().execute(httpPost);
        if (response.getStatusLine().getStatusCode() == 200) {
            lastPostedContent = newContent;
            LOG.info("Succeed to generate a new shard config.");
        } else {
            LOG.error(response.getStatusLine().getReasonPhrase());
        }
    } catch (Exception e) {
        LOG.error("Failed to post the new config", e);
    }
}

From source file:com.ba.forms.serviceBillForm.BAServiceBillAction.java

public ActionForward getPageRecords(ActionMapping mapping, ActionForm form, HttpServletRequest request,
        HttpServletResponse response) throws Exception {
    logger.info(" getPageRecords method starts here");
    JSONObject json = new JSONObject();
    BAServiceBillDTO vo = new BAServiceBillDTO();
    try {//from w  w  w. j  av  a 2 s  . com
        //            logger.info("======In GcsStockItemAction Action cmsGet method======");
        vo.setServiceId((request.getParameter("serviceId")));
        vo.setDateField(request.getParameter("dateField"));
        vo.setRoomId(request.getParameter("roomId"));
        vo.setCustomerName(request.getParameter("customerName"));
        vo.setOrderType((request.getParameter("orderType")));
        vo.setAmount((request.getParameter("amount")));
        vo.setServiceCharge((request.getParameter("serviceCharge")));
        vo.setDiscount((request.getParameter("discount")));
        vo.setServiceTax((request.getParameter("serviceTax")));
        vo.setVat((request.getParameter("vat")));
        vo.setNetAmount((request.getParameter("netAmount")));
        vo.setPaymentMode((request.getParameter("paymentMode")));
        vo.setBookingId((request.getParameter("bookingId")));

        String strNavigation = request.getParameter("navigation");
        int strCurrentPageNo = Integer.parseInt(request.getParameter("currentPageNo"));
        if (strNavigation != null && !strNavigation.equals("")) {
            if (strNavigation.equals("pre")) {
                strCurrentPageNo = strCurrentPageNo - 1;
                if (strCurrentPageNo <= 0)
                    strCurrentPageNo = 1;

            } else if (strNavigation.equals("next")) {
                strCurrentPageNo = strCurrentPageNo + 1;
                if (strCurrentPageNo > objPageCount)
                    strCurrentPageNo = objPageCount;
            }
        }
        logger.info("strCurrent PageNo ------------->" + strCurrentPageNo);
        List hashMpServiceBillItemDet = BAServiceBillFactory.getInstanceOfBAServiceBillFactory()
                .getServiceBillDtls(strCurrentPageNo, vo);

        json.put("exception", "");
        json.put("ServiceBillDets", hashMpServiceBillItemDet);
        json.put("ServiceBillExit", hashMpServiceBillItemDet.size());
    } catch (Exception ex) {
        logger.error("The Exception is  :" + ex);
        ex.printStackTrace();
        json.put("exception", BAHandleAllException.exceptionHandler(ex));
    }
    response.getWriter().write(json.toString());
    return null;
}

From source file:mtis.CreateDisplayJson.java

public String getJson(String city, String duration) throws Exception {
    String finalReturn = "";
    JSONArray list = new JSONArray();
    JSONObject finalObj = new JSONObject();
    ArrayList<String> month = new ArrayList<String>();
    month.add("Jan");
    month.add("Feb");
    month.add("Mar");
    month.add("Apr");
    month.add("May");
    month.add("Jun");
    month.add("Jul");
    month.add("Aug");
    month.add("Sep");
    month.add("Oct");
    month.add("Nov");
    month.add("Dec");
    Date d = new Date();
    int dayCount = Integer.parseInt(duration);
    Long dL = d.getTime();/*from  w w  w . ja va2 s  .  c  om*/
    FileReader fr = new FileReader(
            "C:\\Users\\Server\\Documents\\twitterData\\" + city + "\\traffic_data_" + city + "_display.txt");
    BufferedReader br = new BufferedReader(fr);
    String line = br.readLine();
    StringBuffer text = new StringBuffer();
    while (line != null) {
        text.append(line);
        line = br.readLine();
    }
    String textData = text.toString();
    textData = textData.replaceAll("\\n", " ");
    String fullTokens[] = textData.split("\\$\\$\\$");
    for (int i = fullTokens.length - 1; i >= 1; i--) {
        StringTokenizer st = new StringTokenizer(fullTokens[i], "||");
        String dateString = st.nextToken();
        Date date = new SimpleDateFormat("EEE MMM dd HH:mm:ss z yyyy").parse(dateString);
        Long dateL = date.getTime();
        //System.out.println(dateL);
        String name = st.nextToken();
        name = name.replaceAll("'", " ");
        if (dL - ((dayCount + 1) * 86400 * 1000) <= dateL && dateL <= dL - ((dayCount) * 86400 * 1000)) {
            //System.out.println("i am in");
            JSONObject js = new JSONObject();
            js.put("userScreenName", name);
            System.out.println(name);
            js.put("userProfilePic", st.nextToken());
            js.put("userId", st.nextToken());
            js.put("statusId", st.nextToken());
            js.put("username", st.nextToken());
            js.put("text", st.nextToken());

            SimpleDateFormat format = new SimpleDateFormat("hh:mm a ");
            //System.out.println(format.format(date));
            //System.out.println(date.getDate()+"-"+month.get(date.getMonth())+" "+format.format(date));              
            //System.out.println(dateL);

            js.put("time", date.getDate() + "-" + month.get(date.getMonth()) + " " + format.format(date));
            list.add(js);
        }
        line = br.readLine();
    }
    finalObj.put("locations", list);
    br.close();
    finalReturn = finalObj.toString();
    System.out.println(finalReturn);
    return finalReturn;
}

From source file:com.ba.forms.foodBill.BAFoodBillAction.java

public ActionForward baPrint(ActionMapping mapping, ActionForm form, HttpServletRequest request,
        HttpServletResponse response) throws Exception {
    Connection con = null;//from w w w .  j a  va 2s .com
    com.fins.org.json.JSONObject json = new com.fins.org.json.JSONObject();
    try {
        logger.info("hotel_booking");
        // title is the title of the report.Here we are passing dynamically.So that this class is useful to remaining reports also.
        String jrept = "hotel_food.jrxml";
        String pdfFileName = "hotel_food";
        String foodBill = request.getParameter("foodBill");

        con = BADatabaseUtil.getConnection();
        String reportFileName = JasperCompileManager
                .compileReportToFile(request.getRealPath("/reports") + "/" + jrept);
        java.util.Map parameters = new java.util.HashMap();

        parameters.put("foodBill", foodBill);
        File reportFile = new File(reportFileName);
        if (!reportFile.exists()) {
            throw new JRRuntimeException(
                    "File WebappReport.jasper not found. The report design must be compiled first.");
        }
        JasperPrint jasperPrint = JasperFillManager.fillReport(reportFileName, parameters, con);
        JasperExportManager.exportReportToPdfFile(jasperPrint,
                request.getRealPath("/PDF") + "/" + pdfFileName + "_" + foodBill + ".pdf");
        File f = new File(request.getRealPath("/PDF") + "/" + pdfFileName + "_" + foodBill + ".pdf");
        FileInputStream fin = new FileInputStream(f);
        //            
        String path = "http://" + request.getServerName() + ":" + request.getServerPort() + "/"
                + request.getContextPath() + "/PDF" + "/" + pdfFileName + "_" + foodBill + ".pdf";
        request.setAttribute("path", path);
        //                outStream.flush();
        fin.close();
        //                outStream.close();

        logger.info("print feed dc");

        json.put("exception", "");
        json.put("bookingDets", path);
        json.put("bookingExit", 1);
    } catch (Exception ex) {
        ex.printStackTrace();
        json.put("exception", BAHandleAllException.exceptionHandler(ex));
    } finally {
        BADatabaseUtil.closeConnection(con);
    }
    logger.info("CmsReasonMasterDaoImpl In CmsReasonMasterAction :: cmsGet() ends Here ");
    response.getWriter().write(json.toString());
    return null;
}

From source file:com.photon.phresco.framework.rest.api.RepositoryService.java

/**
 * Update latest project.//from w  w  w.ja  v a 2 s  .c o  m
 *
 * @param user the user
 * @param projectId the project id
 * @param appId the app id
 * @throws PhrescoException the phresco exception
 */
private void updateLatestProject(User user, String projectId, String appId) throws PhrescoException {
    try {
        File tempPath = new File(Utility.getPhrescoTemp() + File.separator + USER_PROJECT_JSON);
        JSONObject userProjJson = null;
        JSONParser parser = new JSONParser();
        if (tempPath.exists()) {
            FileReader reader = new FileReader(tempPath);
            userProjJson = (JSONObject) parser.parse(reader);
            reader.close();
        } else {
            userProjJson = new JSONObject();
        }

        userProjJson.put(user.getId(), projectId + Constants.STR_COMMA + appId);
        FileWriter writer = new FileWriter(tempPath);
        writer.write(userProjJson.toString());
        writer.close();
    } catch (IOException e) {
        throw new PhrescoException(e);
    } catch (ParseException e) {
        throw new PhrescoException(e);
    }
}

From source file:com.ba.forms.foodBill.BAFoodBillAction.java

public ActionForward getPageRecords(ActionMapping mapping, ActionForm form, HttpServletRequest request,
        HttpServletResponse response) throws Exception {
    JSONObject json = new JSONObject();
    BAFoodBillDTO vo = new BAFoodBillDTO();

    try {/*w w  w . j a v  a2s.  c om*/
        logger.info(" getPageRecords method starts here");
        vo.setFoodId((request.getParameter("foodId")));
        vo.setDate(request.getParameter("date"));
        vo.setRoomId(request.getParameter("roomId"));
        vo.setCustomerName(request.getParameter("customerName"));
        vo.setOrderType((request.getParameter("orderType")));
        vo.setAmount(request.getParameter("amount"));
        vo.setServiceCharge((request.getParameter("serviceCharge")));
        vo.setDiscount(request.getParameter("discount"));
        vo.setServiceTax(request.getParameter("serviceTax"));
        vo.setVat(request.getParameter("vat"));
        vo.setNetAmount((request.getParameter("netAmount")));
        vo.setPaymentMode(request.getParameter("paymentMode"));
        vo.setBookingId(request.getParameter("bookingId"));

        String strNavigation = request.getParameter("navigation");
        int strCurrentPageNo = Integer.parseInt(request.getParameter("currentPageNo"));
        if (strNavigation != null && !strNavigation.equals("")) {
            if (strNavigation.equals("pre")) {
                strCurrentPageNo = strCurrentPageNo - 1;
                if (strCurrentPageNo <= 0) {
                    strCurrentPageNo = 1;
                }

            } else if (strNavigation.equals("next")) {
                strCurrentPageNo = strCurrentPageNo + 1;
                if (strCurrentPageNo > objPageCount) {
                    strCurrentPageNo = objPageCount;
                }
            }
        }
        logger.info("strCurrent PageNo ------------->" + strCurrentPageNo);
        List hashMpFoodBillDet = BAFoodBillFactory.getInstanceOfBAFoodBillFactory()
                .getFoodBillDtls(strCurrentPageNo, vo);

        json.put("exception", "");
        json.put("FoodBillDets", hashMpFoodBillDet);
        json.put("FoodBillExit", hashMpFoodBillDet.size());
    } catch (Exception ex) {
        logger.error("The Exception is  :" + ex);
        ex.printStackTrace();
        json.put("exception", BAHandleAllException.exceptionHandler(ex));
    }
    response.getWriter().write(json.toString());
    return null;
}

From source file:bbdn.lti2.LTI2Servlet.java

@SuppressWarnings({ "unchecked", "unused", "rawtypes" })
public void registerToolProviderProfile(HttpServletRequest request, HttpServletResponse response,
        String profile_id) throws java.io.IOException {
    // Normally we would look up the deployment descriptor
    if (!"42".equals(profile_id)) {
        response.setStatus(HttpServletResponse.SC_NOT_FOUND);
        return;//from ww  w.ja v a2 s .  c o  m
    }

    String key = "42";
    String secret = "zaphod";

    IMSJSONRequest jsonRequest = new IMSJSONRequest(request);

    if (!jsonRequest.valid) {
        response.setStatus(HttpServletResponse.SC_BAD_REQUEST);
        doErrorJSON(request, response, jsonRequest, "Request is not in a valid format", null);
        return;
    }

    System.out.println(jsonRequest.getPostBody());

    // Lets check the signature
    if (key == null || secret == null) {
        response.setStatus(HttpServletResponse.SC_FORBIDDEN);
        doErrorJSON(request, response, jsonRequest, "Deployment is missing credentials", null);
        return;
    }

    jsonRequest.validateRequest(key, secret, request);
    if (!jsonRequest.valid) {
        response.setStatus(HttpServletResponse.SC_FORBIDDEN);
        doErrorJSON(request, response, jsonRequest, "OAuth signature failure", null);
        return;
    }

    JSONObject providerProfile = (JSONObject) JSONValue.parse(jsonRequest.getPostBody());
    // System.out.println("OBJ:"+providerProfile);
    if (providerProfile == null) {
        response.setStatus(HttpServletResponse.SC_BAD_REQUEST);
        doErrorJSON(request, response, jsonRequest, "JSON parse failed", null);
        return;
    }

    JSONObject default_custom = (JSONObject) providerProfile.get(LTI2Constants.CUSTOM);

    JSONObject security_contract = (JSONObject) providerProfile.get(LTI2Constants.SECURITY_CONTRACT);
    if (security_contract == null) {
        response.setStatus(HttpServletResponse.SC_BAD_REQUEST);
        doErrorJSON(request, response, jsonRequest, "JSON missing security_contract", null);
        return;
    }

    String shared_secret = (String) security_contract.get(LTI2Constants.SHARED_SECRET);
    System.out.println("shared_secret=" + shared_secret);
    if (shared_secret == null) {
        response.setStatus(HttpServletResponse.SC_BAD_REQUEST);
        doErrorJSON(request, response, jsonRequest, "JSON missing shared_secret", null);
        return;
    }

    // Make sure that the requested services are a subset of the offered services
    ToolConsumer consumer = buildToolConsumerProfile(request, null, profile_id);

    JSONArray tool_services = (JSONArray) security_contract.get(LTI2Constants.TOOL_SERVICE);
    String retval = LTI2Util.validateServices(consumer, providerProfile);
    if (retval != null) {
        response.setStatus(HttpServletResponse.SC_BAD_REQUEST);
        doErrorJSON(request, response, jsonRequest, retval, null);
        return;
    }

    // Parse the tool profile bit and extract the tools with error checking
    retval = LTI2Util.validateCapabilities(consumer, providerProfile);
    if (retval != null) {
        response.setStatus(HttpServletResponse.SC_BAD_REQUEST);
        doErrorJSON(request, response, jsonRequest, retval, null);
        return;
    }

    // Pass the profile to the launch process
    PERSIST.put("profile", providerProfile.toString());

    // Share our happiness with the Tool Provider
    Map jsonResponse = new TreeMap();
    jsonResponse.put(LTI2Constants.CONTEXT, StandardServices.TOOLPROXY_ID_CONTEXT);
    jsonResponse.put(LTI2Constants.TYPE, StandardServices.TOOLPROXY_ID_TYPE);
    jsonResponse.put(LTI2Constants.JSONLD_ID, getServiceURL(request) + SVC_tc_registration + "/" + profile_id);
    jsonResponse.put(LTI2Constants.TOOL_PROXY_GUID, profile_id);
    jsonResponse.put(LTI2Constants.CUSTOM_URL,
            getServiceURL(request) + SVC_Settings + "/" + LTI2Util.SCOPE_ToolProxy + "/" + profile_id);
    response.setContentType(StandardServices.TOOLPROXY_ID_FORMAT);
    response.setStatus(HttpServletResponse.SC_CREATED);
    String jsonText = JSONValue.toJSONString(jsonResponse);
    M_log.debug(jsonText);
    PrintWriter out = response.getWriter();
    out.println(jsonText);
}

From source file:de.dailab.plistacontest.client.ClientAndContestHandler0MQ.java

/**
 * Method to handle incoming messages from the server.
 * /*from w w w  . j  av  a  2 s.  c  om*/
 * @param messageType
 *                the messageType of the incoming contest server message.
 * @param properties
 *                
 * @param entities
 * @return the response to the contest server
 */
private String handleIdomaarMessage(final String messageType, final String properties, final String entities) {
    // write all data from the server to a file
    logger.info(messageType + "\t" + properties + "\t" + entities);

    // create an jSON object from the String
    final JSONObject jOP = (JSONObject) JSONValue.parse(properties);
    final JSONObject jOE = (JSONObject) JSONValue.parse(entities);

    // merge the different jsonObjects and correct missing itemIDs
    jOP.putAll(jOE);
    Object itemID = jOP.get("itemID");
    if (itemID == null) {
        jOP.put("itemID", 0);
    }

    // define a response object
    String response = null;

    if ("impression".equalsIgnoreCase(messageType)) {

        // parse the type of the event
        final RecommenderItem item = RecommenderItem.parseEventNotification(jOP.toJSONString());
        final String eventNotificationType = item.getNotificationType();

        // new items shall be added to the list of items
        if (item.getItemID() != null) {
            recommenderItemTable.handleItemUpdate(item);
        }
        response = "handle impression eventNotification successful";

        // impression refers to articles read by the user
        if ("recommendation_request".equalsIgnoreCase(eventNotificationType)) {

            // we mark this information in the article table
            if (item.getItemID() != null) {

                item.setNumberOfRequestedResults(6);
                //List<Long> suggestedItemIDs = item.getListOfDisplayedRecs();
                List<Long> suggestedItemIDs = recommenderItemTable.getLastItems(item);
                response = "{" + "\"recs\": {" + "\"ints\": {" + "\"3\": " + suggestedItemIDs + "}" + "}}";

            } else {
                System.err.println("invalid itemID - requests are only valid for 'normal' articles");
            }
            // click refers to recommendations clicked by the user
        } else if ("click".equalsIgnoreCase(eventNotificationType)) {

            // we mark this information in the article table
            if (item.getItemID() != null) {
                // new items shall be added to the list of items
                recommenderItemTable.handleItemUpdate(item);

                response = "handle impression eventNotification successful";
            }
            response = "handle click eventNotification successful";

        } else {
            System.out.println("unknown event-type: " + eventNotificationType + " (message ignored)");
        }

    } else if ("error_notification".equalsIgnoreCase(messageType)) {

        System.out.println("error-notification: " + jOP.toString() + jOE.toJSONString());

    } else {
        System.out.println("unknown MessageType: " + messageType);
        // Error handling
        logger.info(jOP.toString() + jOE.toJSONString());
        // this.contestRecommender.error(jObj.toString());
    }
    return response;
}

From source file:com.ba.forms.settlement.BASettlementAction.java

public ActionForward baPrint(ActionMapping mapping, ActionForm form, HttpServletRequest request,
        HttpServletResponse response) throws Exception {
    Connection con = null;//  w  ww  .  j  a  va 2 s.  c o  m
    com.fins.org.json.JSONObject json = new com.fins.org.json.JSONObject();
    try {
        logger.info("hotel_booking");
        // title is the title of the report.Here we are passing dynamically.So that this class is useful to remaining reports also.
        String jrept = "hotel settlement.jrxml";
        String pdfFileName = "hotel settlement";
        String sqlBookid = request.getParameter("sqlBookid");
        String sqlRoomid = request.getParameter("sqlRoomid");

        con = BADatabaseUtil.getConnection();
        String reportFileName = JasperCompileManager
                .compileReportToFile(request.getRealPath("/reports") + "/" + jrept);
        java.util.Map parameters = new java.util.HashMap();

        parameters.put("sqlBookid", Integer.parseInt(sqlBookid));
        parameters.put("sqlRoomid", Integer.parseInt(sqlRoomid));
        File reportFile = new File(reportFileName);
        if (!reportFile.exists()) {
            throw new JRRuntimeException(
                    "File WebappReport.jasper not found. The report design must be compiled first.");
        }
        JasperPrint jasperPrint = JasperFillManager.fillReport(reportFileName, parameters, con);
        JasperExportManager.exportReportToPdfFile(jasperPrint,
                request.getRealPath("/PDF") + "/" + pdfFileName + "_" + sqlBookid + "_" + sqlRoomid + ".pdf");
        File f = new File(
                request.getRealPath("/PDF") + "/" + pdfFileName + "_" + sqlBookid + "_" + sqlRoomid + ".pdf");
        FileInputStream fin = new FileInputStream(f);
        //            
        String path = "http://" + request.getServerName() + ":" + request.getServerPort() + "/"
                + request.getContextPath() + "/PDF" + "/" + pdfFileName + "_" + sqlBookid + "_" + sqlRoomid
                + ".pdf";
        request.setAttribute("path", path);
        //                outStream.flush();
        fin.close();
        //                outStream.close();

        logger.info("print feed dc");

        json.put("exception", "");
        json.put("bookingDets", path);
        json.put("bookingExit", 1);
    } catch (Exception ex) {
        ex.printStackTrace();
        json.put("exception", BAHandleAllException.exceptionHandler(ex));
    } finally {
        BADatabaseUtil.closeConnection(con);
    }
    logger.info("CmsReasonMasterDaoImpl In CmsReasonMasterAction :: cmsGet() ends Here ");
    response.getWriter().write(json.toString());
    return null;
}

From source file:de.dailab.plistacontest.client.ContestHandlerOfflineCheating.java

/**
 * Method to handle incoming messages from the server.
 * //from  w ww.j  av a2 s  .c  o m
 * @param messageType
 *                the messageType of the incoming contest server message.
 * @param properties
 *                
 * @param entities
 * @return the response to the contest server
 */
@SuppressWarnings("unchecked")
private String handleIdomaarMessage(final String messageType, final String properties, final String entities) {
    // write all data from the server to a file
    // logger.info(messageType + "\t" + properties + "\t" + entities);

    // create an jSON object from the String
    final JSONObject jOP = (JSONObject) JSONValue.parse(properties);
    final JSONObject jOE = (JSONObject) JSONValue.parse(entities);

    // merge the different jsonObjects and correct missing itemIDs
    jOP.putAll(jOE);
    Object itemID = jOP.get("itemID");
    if (itemID == null) {
        jOP.put("itemID", 0);
    }

    // define a response object
    String response = null;

    if ("impression".equalsIgnoreCase(messageType)) {

        // parse the type of the event
        final RecommenderItem item = RecommenderItem.parseEventNotification(jOP.toJSONString());
        final String eventNotificationType = messageType;

        // impression refers to articles read by the user
        if ("impression".equalsIgnoreCase(eventNotificationType)) {

            // we mark this information in the article table
            if (item.getItemID() != null) {

                response = "handle impression eventNotification successful";

                boolean recommendationExpected = false;
                if (properties.contains("\"event_type\": \"recommendation_request\"")) {
                    recommendationExpected = true;
                }
                if (recommendationExpected) {
                    List<Long> suggestedItemIDs = recommenderItemTable.getFutureItems(item.getTimeStamp(),
                            item.getDomainID(), item.getUserID());
                    response = "{" + "\"recs\": {" + "\"ints\": {" + "\"3\": " + suggestedItemIDs + "}" + "}}";
                }

            }
            // click refers to recommendations clicked by the user
        } else if ("click".equalsIgnoreCase(eventNotificationType)) {

            // we mark this information in the article table
            if (item.getItemID() != null) {

                response = "handle impression eventNotification successful";
            }
            response = "handle click eventNotification successful";

        } else {
            System.out.println("unknown event-type: " + eventNotificationType + " (message ignored)");
        }

    } else if ("error_notification".equalsIgnoreCase(messageType)) {

        System.out.println("error-notification: " + jOP.toString() + jOE.toJSONString());

    } else {
        System.out.println("unknown MessageType: " + messageType);
        // Error handling
        logger.info(jOP.toString() + jOE.toJSONString());
        // this.contestRecommender.error(jObj.toString());
    }
    return response;
}