1 /*******************************************************************************
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2 * ============LICENSE_START==================================================
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4 * * ===========================================================================
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5 * * Copyright © 2017 AT&T Intellectual Property. All rights reserved.
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6 * * ===========================================================================
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7 * * Licensed under the Apache License, Version 2.0 (the "License");
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8 * * you may not use this file except in compliance with the License.
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9 * * You may obtain a copy of the License at
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11 * * http://www.apache.org/licenses/LICENSE-2.0
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13 * * Unless required by applicable law or agreed to in writing, software
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14 * * distributed under the License is distributed on an "AS IS" BASIS,
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15 * * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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16 * * See the License for the specific language governing permissions and
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17 * * limitations under the License.
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18 * * ============LICENSE_END====================================================
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20 * * ECOMP is a trademark and service mark of AT&T Intellectual Property.
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22 ******************************************************************************/
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24 package org.onap.dmaap.datarouter.provisioning;
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26 import static org.onap.dmaap.datarouter.provisioning.utils.HttpServletUtils.sendResponseError;
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28 import java.io.IOException;
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29 import java.sql.Connection;
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30 import java.sql.PreparedStatement;
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31 import java.sql.ResultSet;
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32 import java.sql.SQLException;
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33 import java.text.ParseException;
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34 import java.text.SimpleDateFormat;
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35 import java.time.LocalDateTime;
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36 import java.time.format.DateTimeFormatter;
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37 import java.util.Calendar;
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38 import java.util.Date;
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39 import java.util.HashMap;
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40 import java.util.Map;
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41 import java.util.TimeZone;
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42 import javax.servlet.ServletOutputStream;
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43 import javax.servlet.http.HttpServletRequest;
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44 import javax.servlet.http.HttpServletResponse;
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45 import org.json.JSONException;
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46 import org.onap.dmaap.datarouter.provisioning.beans.EventLogRecord;
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47 import org.onap.dmaap.datarouter.provisioning.utils.LOGJSONObject;
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48 import org.onap.dmaap.datarouter.provisioning.utils.ProvDbUtils;
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52 * This Servlet handles requests to the <Statistics API> and <Statistics consilidated
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55 * @author Manish Singh
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56 * @version $Id: StatisticsServlet.java,v 1.11 2016/08/10 17:27:02 Manish Exp $
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58 @SuppressWarnings("serial")
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61 public class StatisticsServlet extends BaseServlet {
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63 private static final long TWENTYFOUR_HOURS = (24 * 60 * 60 * 1000L);
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64 private static final String FMT1 = "yyyy-MM-dd'T'HH:mm:ss'Z'";
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65 private static final String FMT2 = "yyyy-MM-dd'T'HH:mm:ss.SSS'Z'";
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66 public static final String FEEDID = "FEEDID";
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69 private static final String SQL_SELECT_NAME = "SELECT (SELECT NAME FROM FEEDS AS f WHERE f.FEEDID in(";
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70 private static final String SQL_FEED_ID = ") and f.FEEDID=e.FEEDID) AS FEEDNAME, e.FEEDID as FEEDID, ";
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71 private static final String SQL_SELECT_COUNT = "(SELECT COUNT(*) FROM LOG_RECORDS AS c WHERE c.FEEDID in(";
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72 private static final String SQL_TYPE_PUB = ") and c.FEEDID=e.FEEDID AND c.TYPE='PUB') AS FILES_PUBLISHED,";
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73 private static final String SQL_SELECT_SUM = "(SELECT SUM(content_length) FROM LOG_RECORDS AS c WHERE c.FEEDID in(";
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74 private static final String SQL_PUBLISH_LENGTH = ") and c.FEEDID=e.FEEDID AND c.TYPE='PUB') AS PUBLISH_LENGTH, COUNT(e.EVENT_TIME) as FILES_DELIVERED,";
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75 private static final String SQL_SUBSCRIBER_URL = " sum(m.content_length) as DELIVERED_LENGTH, SUBSTRING_INDEX(e.REQURI,'/',+3) as SUBSCRIBER_URL,";
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76 private static final String SQL_SUB_ID = " e.DELIVERY_SUBID as SUBID, ";
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77 private static final String SQL_DELIVERY_TIME = " e.EVENT_TIME AS PUBLISH_TIME, m.EVENT_TIME AS DELIVERY_TIME, ";
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78 private static final String SQL_AVERAGE_DELAY = " AVG(e.EVENT_TIME - m.EVENT_TIME)/1000 as AverageDelay FROM LOG_RECORDS";
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79 private static final String SQL_JOIN_RECORDS = " e JOIN LOG_RECORDS m ON m.PUBLISH_ID = e.PUBLISH_ID AND e.FEEDID IN (";
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80 private static final String SQL_STATUS_204 = " AND m.STATUS=204 AND e.RESULT=204 ";
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81 private static final String SQL_GROUP_SUB_ID = " group by SUBID";
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82 private static final String JSON_OUTPUT_TYPE = "json";
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83 private static final String CSV_OUTPUT_TYPE = "csv";
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87 * DELETE a logging URL -- not supported.
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90 public void doDelete(HttpServletRequest req, HttpServletResponse resp) {
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91 String message = "DELETE not allowed for the logURL.";
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92 EventLogRecord elr = new EventLogRecord(req);
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93 elr.setMessage(message);
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94 elr.setResult(HttpServletResponse.SC_METHOD_NOT_ALLOWED);
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95 eventlogger.error(elr.toString());
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96 sendResponseError(resp, HttpServletResponse.SC_METHOD_NOT_ALLOWED, message, eventlogger);
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100 * GET a Statistics URL -- retrieve Statistics data for a feed or subscription. See the
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101 * <b>Statistics API</b> document for details on how this method should be invoked.
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104 public void doGet(HttpServletRequest req, HttpServletResponse resp) {
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105 Map<String, String> map = buildMapFromRequest(req);
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106 if (map.get("err") != null) {
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107 sendResponseError(resp, HttpServletResponse.SC_BAD_REQUEST,
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108 "Invalid arguments: " + map.get("err"), eventlogger);
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111 // check Accept: header??
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112 resp.setStatus(HttpServletResponse.SC_OK);
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113 resp.setContentType(LOGLIST_CONTENT_TYPE);
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114 String outputType = JSON_OUTPUT_TYPE;
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115 if (req.getParameter(FEEDID) == null && req.getParameter(GROUPID) == null) {
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117 resp.getOutputStream().print("Invalid request, Feedid or Group ID is required.");
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118 } catch (IOException ioe) {
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119 eventlogger.error("PROV0171 StatisticsServlet.doGet: " + ioe.getMessage(), ioe);
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122 if (req.getParameter(FEEDID) != null && req.getParameter(GROUPID) == null) {
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123 map.put(FEEDIDS, req.getParameter(FEEDID).replace("|", ","));
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125 if (req.getParameter(GROUPID) != null && req.getParameter(FEEDID) == null) {
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126 StringBuilder groupid1;
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128 groupid1 = this.getFeedIdsByGroupId(Integer.parseInt(req.getParameter(GROUPID)));
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129 map.put(FEEDIDS, groupid1.toString());
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130 } catch (NumberFormatException e) {
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131 eventlogger.error("PROV0172 StatisticsServlet.doGet: " + e.getMessage(), e);
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134 if (req.getParameter(GROUPID) != null && req.getParameter(FEEDID) != null) {
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135 StringBuilder groupid1;
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137 groupid1 = this.getFeedIdsByGroupId(Integer.parseInt(req.getParameter(GROUPID)));
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138 groupid1.append(",");
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139 groupid1.append(req.getParameter(FEEDID).replace("|", ","));
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140 map.put(FEEDIDS, groupid1.toString());
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141 } catch (NumberFormatException e) {
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142 eventlogger.error("PROV0173 StatisticsServlet.doGet: " + e.getMessage(), e);
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145 if (req.getParameter(SUBID) != null && req.getParameter(FEEDID) != null) {
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146 String subidstr = "and e.DELIVERY_SUBID in("
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147 + req.getParameter(SUBID).replace("|", ",") + ")";
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148 map.put(SUBID, subidstr);
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150 if (req.getParameter(SUBID) != null && req.getParameter(GROUPID) != null) {
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151 String subidstr = "and e.DELIVERY_SUBID in("
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152 + req.getParameter(SUBID).replace("|", ",") + ")";
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153 map.put(SUBID, subidstr);
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155 if (req.getParameter("type") != null) {
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156 map.put(EVENT_TYPE, req.getParameter("type").replace("|", ","));
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158 if (req.getParameter(OUTPUT_TYPE) != null && req.getParameter(OUTPUT_TYPE).equals(CSV_OUTPUT_TYPE)) {
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159 map.put(OUTPUT_TYPE, CSV_OUTPUT_TYPE);
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160 outputType = CSV_OUTPUT_TYPE;
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162 if (req.getParameter(OUTPUT_TYPE) != null && req.getParameter(OUTPUT_TYPE).equals(JSON_OUTPUT_TYPE)) {
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163 map.put(OUTPUT_TYPE, JSON_OUTPUT_TYPE);
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165 if (req.getParameter(START_TIME) != null) {
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166 map.put(START_TIME, req.getParameter(START_TIME));
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168 if (req.getParameter(END_TIME) != null) {
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169 map.put(END_TIME, req.getParameter(END_TIME));
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171 if (req.getParameter("time") != null) {
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172 map.put(START_TIME, req.getParameter("time"));
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173 map.put(END_TIME, null);
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176 this.getRecordsForSQL(map, outputType, resp.getOutputStream(), resp);
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177 } catch (IOException ioe) {
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178 eventlogger.error("PROV0174 StatisticsServlet.doGet: " + ioe.getMessage(), ioe);
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185 * rsToJson - Converting RS to JSON object.
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187 * @param out ServletOutputStream
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188 * @param rs as ResultSet
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189 * @throws IOException input/output exception
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190 * @throws SQLException SQL exception
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192 private void rsToCSV(ResultSet rs, ServletOutputStream out) throws IOException, SQLException {
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193 String header = "FEEDNAME,FEEDID,FILES_PUBLISHED,PUBLISH_LENGTH, FILES_DELIVERED, "
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194 + "DELIVERED_LENGTH, SUBSCRIBER_URL, SUBID, PUBLISH_TIME,DELIVERY_TIME, AverageDelay\n";
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195 out.write(header.getBytes());
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197 while (rs.next()) {
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198 String line = rs.getString("FEEDNAME")
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200 + rs.getString(FEEDID)
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202 + rs.getString("FILES_PUBLISHED")
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204 + rs.getString("PUBLISH_LENGTH")
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206 + rs.getString("FILES_DELIVERED")
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208 + rs.getString("DELIVERED_LENGTH")
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210 + rs.getString("SUBSCRIBER_URL")
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212 + rs.getString("SUBID")
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214 + rs.getString("PUBLISH_TIME")
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216 + rs.getString("DELIVERY_TIME")
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218 + rs.getString("AverageDelay")
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221 out.write(line.getBytes());
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227 * rsToJson - Converting RS to JSON object.
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229 * @param out ServletOutputStream
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230 * @param rs as ResultSet
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231 * @throws IOException input/output exception
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232 * @throws SQLException SQL exception
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234 private void rsToJson(ResultSet rs, ServletOutputStream out) throws IOException, SQLException {
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235 String[] fields = {"FEEDNAME", FEEDID, "FILES_PUBLISHED", "PUBLISH_LENGTH", "FILES_DELIVERED",
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236 "DELIVERED_LENGTH", "SUBSCRIBER_URL", "SUBID", "PUBLISH_TIME", "DELIVERY_TIME",
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238 StringBuilder line = new StringBuilder();
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239 line.append("[\n");
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240 while (rs.next()) {
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241 LOGJSONObject j2 = new LOGJSONObject();
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242 for (String key : fields) {
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243 Object val = rs.getString(key);
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245 j2.put(key.toLowerCase(), val);
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247 j2.put(key.toLowerCase(), "");
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250 line.append(j2.toString());
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251 line.append(",\n");
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254 out.print(line.toString());
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258 * getFeedIdsByGroupId - Getting FEEDID's by GROUP ID.
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260 * @param groupIds Integer ref of Group
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262 private StringBuilder getFeedIdsByGroupId(int groupIds) {
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263 StringBuilder feedIds = new StringBuilder();
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264 try (Connection conn = ProvDbUtils.getInstance().getConnection();
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265 PreparedStatement prepareStatement = conn.prepareStatement(
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266 " SELECT FEEDID from FEEDS WHERE GROUPID = ?")) {
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267 prepareStatement.setInt(1, groupIds);
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268 try (ResultSet resultSet = prepareStatement.executeQuery()) {
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269 while (resultSet.next()) {
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270 feedIds.append(resultSet.getInt(FEEDID));
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271 feedIds.append(",");
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274 feedIds.deleteCharAt(feedIds.length() - 1);
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275 eventlogger.info("PROV0177 StatisticsServlet.getFeedIdsByGroupId: feedIds = " + feedIds.toString());
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276 } catch (SQLException e) {
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277 eventlogger.error("PROV0175 StatisticsServlet.getFeedIdsByGroupId: " + e.getMessage(), e);
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284 * queryGeneretor - Generating sql query.
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286 * @param map as key value pare of all user input fields
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288 private String queryGeneretor(Map<String, String> map) throws ParseException {
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291 String feedids = null;
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292 String startTime = null;
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293 String endTime = null;
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294 String subid = " ";
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296 if (map.get(FEEDIDS) != null) {
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297 feedids = map.get(FEEDIDS);
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299 if (map.get(START_TIME) != null) {
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300 startTime = map.get(START_TIME);
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302 if (map.get(END_TIME) != null) {
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303 endTime = map.get(END_TIME);
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305 if (map.get(SUBID) != null) {
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306 subid = map.get(SUBID);
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309 eventlogger.info("Generating sql query to get Statistics resultset. ");
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311 if (endTime == null && startTime == null) {
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313 sql = SQL_SELECT_NAME + feedids + SQL_FEED_ID + SQL_SELECT_COUNT + feedids + SQL_TYPE_PUB
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315 + feedids + SQL_PUBLISH_LENGTH
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316 + SQL_SUBSCRIBER_URL + SQL_SUB_ID + SQL_DELIVERY_TIME + SQL_AVERAGE_DELAY + SQL_JOIN_RECORDS
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317 + feedids + ") " + subid
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318 + SQL_STATUS_204 + SQL_GROUP_SUB_ID;
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321 } else if (startTime != null && endTime == null) {
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323 long inputTimeInMilli = 60000 * Long.parseLong(startTime);
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324 Calendar cal = Calendar.getInstance(TimeZone.getTimeZone("GMT"));
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325 long currentTimeInMilli = cal.getTimeInMillis();
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326 long compareTime = currentTimeInMilli - inputTimeInMilli;
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328 sql = SQL_SELECT_NAME + feedids + SQL_FEED_ID + SQL_SELECT_COUNT + feedids + SQL_TYPE_PUB
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330 + feedids + SQL_PUBLISH_LENGTH
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331 + SQL_SUBSCRIBER_URL + SQL_SUB_ID + SQL_DELIVERY_TIME + SQL_AVERAGE_DELAY + SQL_JOIN_RECORDS
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332 + feedids + ") " + subid
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333 + SQL_STATUS_204 + " and e.event_time>=" + compareTime + SQL_GROUP_SUB_ID;
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337 SimpleDateFormat inFormat = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss");
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338 Date startDate = inFormat.parse(startTime);
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339 Date endDate = inFormat.parse(endTime);
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341 long startInMillis = startDate.getTime();
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342 long endInMillis = endDate.getTime();
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344 sql = SQL_SELECT_NAME + feedids + SQL_FEED_ID + SQL_SELECT_COUNT + feedids + SQL_TYPE_PUB
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346 + feedids + SQL_PUBLISH_LENGTH + SQL_SUBSCRIBER_URL
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347 + SQL_SUB_ID + SQL_DELIVERY_TIME + SQL_AVERAGE_DELAY + SQL_JOIN_RECORDS + feedids + ")" + subid + SQL_STATUS_204
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348 +" and e.event_time between " + startInMillis + " and " + endInMillis + SQL_GROUP_SUB_ID;
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356 * PUT a Statistics URL -- not supported.
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359 public void doPut(HttpServletRequest req, HttpServletResponse resp) {
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360 String message = "PUT not allowed for the StatisticsURL.";
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361 EventLogRecord elr = new EventLogRecord(req);
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362 elr.setMessage(message);
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363 elr.setResult(HttpServletResponse.SC_METHOD_NOT_ALLOWED);
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364 eventlogger.error(elr.toString());
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365 sendResponseError(resp, HttpServletResponse.SC_METHOD_NOT_ALLOWED, message, eventlogger);
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369 * POST a Statistics URL -- not supported.
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372 public void doPost(HttpServletRequest req, HttpServletResponse resp) {
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373 String message = "POST not allowed for the StatisticsURL.";
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374 EventLogRecord elr = new EventLogRecord(req);
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375 elr.setMessage(message);
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376 elr.setResult(HttpServletResponse.SC_METHOD_NOT_ALLOWED);
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377 eventlogger.error(elr.toString());
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378 sendResponseError(resp, HttpServletResponse.SC_METHOD_NOT_ALLOWED, message, eventlogger);
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381 private Map<String, String> buildMapFromRequest(HttpServletRequest req) {
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382 Map<String, String> map = new HashMap<>();
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383 String str = req.getParameter("type");
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385 if ("pub".equals(str) || "del".equals(str) || "exp".equals(str)) {
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386 map.put("type", str);
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388 map.put("err", "bad type");
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392 map.put("type", "all");
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394 map.put("publishSQL", "");
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395 map.put("statusSQL", "");
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396 map.put("resultSQL", "");
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397 map.put(REASON_SQL, "");
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399 str = req.getParameter("publishId");
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401 if (str.indexOf("'") >= 0) {
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402 map.put("err", "bad publishId");
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405 map.put("publishSQL", " AND PUBLISH_ID = '" + str + "'");
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408 str = req.getParameter("statusCode");
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413 sql = " AND STATUS >= 200 AND STATUS < 300";
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416 sql = " AND STATUS >= 300 AND STATUS < 400";
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419 sql = " AND STATUS >= 400";
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423 int statusCode = Integer.parseInt(str);
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424 if ((statusCode >= 100 && statusCode < 600) || (statusCode == -1)) {
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425 sql = " AND STATUS = " + statusCode;
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427 } catch (NumberFormatException e) {
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428 eventlogger.error("Failed to parse input", e);
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433 map.put("err", "bad statusCode");
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436 map.put("statusSQL", sql);
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437 map.put("resultSQL", sql.replaceAll("STATUS", "RESULT"));
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440 str = req.getParameter("expiryReason");
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442 map.put("type", "exp");
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444 case "notRetryable":
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445 map.put(REASON_SQL, " AND REASON = 'notRetryable'");
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447 case "retriesExhausted":
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448 map.put(REASON_SQL, " AND REASON = 'retriesExhausted'");
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451 map.put(REASON_SQL, " AND REASON = 'diskFull'");
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454 map.put(REASON_SQL, " AND REASON = 'other'");
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457 map.put("err", "bad expiryReason");
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462 long stime = getTimeFromParam(req.getParameter("start"));
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464 map.put("err", "bad start");
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467 long etime = getTimeFromParam(req.getParameter("end"));
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469 map.put("err", "bad end");
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472 if (stime == 0 && etime == 0) {
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473 etime = System.currentTimeMillis();
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474 stime = etime - TWENTYFOUR_HOURS;
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475 } else if (stime == 0) {
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476 stime = etime - TWENTYFOUR_HOURS;
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477 } else if (etime == 0) {
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478 etime = stime + TWENTYFOUR_HOURS;
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480 map.put("timeSQL", String.format(" AND EVENT_TIME >= %d AND EVENT_TIME <= %d", stime, etime));
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484 private long getTimeFromParam(final String str) {
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489 // First, look for an RFC 3339 date
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490 String fmt = (str.indexOf('.') > 0) ? FMT2 : FMT1;
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491 SimpleDateFormat sdf = new SimpleDateFormat(fmt);
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492 Date date = sdf.parse(str);
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493 return date.getTime();
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494 } catch (ParseException e) {
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495 intlogger.error("Exception in getting Time :- " + e.getMessage(), e);
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498 // Also allow a long (in ms); useful for testing
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499 return Long.parseLong(str);
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500 } catch (NumberFormatException e) {
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501 intlogger.error("Exception in getting Time :- " + e.getMessage(), e);
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503 intlogger.info("Error parsing time=" + str);
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507 private void getRecordsForSQL(Map<String, String> map, String outputType, ServletOutputStream out,
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508 HttpServletResponse resp) {
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510 String filterQuery = this.queryGeneretor(map);
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511 eventlogger.debug("SQL Query for Statistics resultset. " + filterQuery);
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512 intlogger.debug(filterQuery);
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513 long start = System.currentTimeMillis();
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514 try (Connection conn = ProvDbUtils.getInstance().getConnection();
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515 PreparedStatement ps = conn.prepareStatement(filterQuery);
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516 ResultSet rs = ps.executeQuery()) {
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517 if (CSV_OUTPUT_TYPE.equals(outputType)) {
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518 resp.setContentType("application/octet-stream");
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519 DateTimeFormatter formatter = DateTimeFormatter.ofPattern("dd-MM-yyyy HH:mm:ss");
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520 resp.setHeader("Content-Disposition",
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521 "attachment; filename=\"result:" + LocalDateTime.now().format(formatter) + ".csv\"");
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522 eventlogger.info("Generating CSV file from Statistics resultset");
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525 eventlogger.info("Generating JSON for Statistics resultset");
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526 this.rsToJson(rs, out);
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528 } catch (SQLException e) {
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529 eventlogger.error("SQLException:" + e);
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531 intlogger.debug("Time: " + (System.currentTimeMillis() - start) + " ms");
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532 } catch (IOException e) {
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533 eventlogger.error("IOException - Generating JSON/CSV:" + e);
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534 } catch (JSONException e) {
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535 eventlogger.error("JSONException - executing SQL query:" + e);
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536 } catch (ParseException e) {
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537 eventlogger.error("ParseException - executing SQL query:" + e);
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