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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67 public static final String START = "start";
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70 private static final String SQL_SELECT_NAME = "SELECT (SELECT NAME FROM FEEDS AS f WHERE f.FEEDID in(";
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71 private static final String SQL_FEED_ID = ") and f.FEEDID=e.FEEDID) AS FEEDNAME, e.FEEDID as FEEDID, ";
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72 private static final String SQL_SELECT_COUNT = "(SELECT COUNT(*) FROM LOG_RECORDS AS c WHERE c.FEEDID in(";
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73 private static final String SQL_TYPE_PUB = ") and c.FEEDID=e.FEEDID AND c.TYPE='PUB') AS FILES_PUBLISHED,";
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74 private static final String SQL_SELECT_SUM = "(SELECT SUM(content_length) FROM LOG_RECORDS AS c WHERE c.FEEDID in(";
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75 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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76 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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77 private static final String SQL_SUB_ID = " e.DELIVERY_SUBID as SUBID, ";
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78 private static final String SQL_DELIVERY_TIME = " e.EVENT_TIME AS PUBLISH_TIME, m.EVENT_TIME AS DELIVERY_TIME, ";
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79 private static final String SQL_AVERAGE_DELAY = " AVG(e.EVENT_TIME - m.EVENT_TIME)/1000 as AverageDelay FROM LOG_RECORDS";
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80 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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81 private static final String SQL_STATUS_204 = " AND m.STATUS=204 AND e.RESULT=204 ";
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82 private static final String SQL_GROUP_SUB_ID = " group by SUBID";
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83 private static final String JSON_OUTPUT_TYPE = "json";
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84 private static final String CSV_OUTPUT_TYPE = "csv";
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88 * DELETE a logging URL -- not supported.
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91 public void doDelete(HttpServletRequest req, HttpServletResponse resp) {
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92 String message = "DELETE not allowed for the logURL.";
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93 EventLogRecord elr = new EventLogRecord(req);
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94 elr.setMessage(message);
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95 elr.setResult(HttpServletResponse.SC_METHOD_NOT_ALLOWED);
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96 eventlogger.error(elr.toString());
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97 sendResponseError(resp, HttpServletResponse.SC_METHOD_NOT_ALLOWED, message, eventlogger);
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101 * GET a Statistics URL -- retrieve Statistics data for a feed or subscription. See the
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102 * <b>Statistics API</b> document for details on how this method should be invoked.
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105 public void doGet(HttpServletRequest req, HttpServletResponse resp) {
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106 Map<String, String> map = buildMapFromRequest(req);
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107 if (map.get("err") != null) {
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108 sendResponseError(resp, HttpServletResponse.SC_BAD_REQUEST,
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109 "Invalid arguments: " + map.get("err"), eventlogger);
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112 // check Accept: header??
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113 resp.setStatus(HttpServletResponse.SC_OK);
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114 resp.setContentType(LOGLIST_CONTENT_TYPE);
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115 String outputType = JSON_OUTPUT_TYPE;
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116 if (req.getParameter(FEEDID) == null && req.getParameter(GROUPID) == null) {
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118 resp.getOutputStream().print("Invalid request, Feedid or Group ID is required.");
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119 } catch (IOException ioe) {
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120 eventlogger.error("PROV0171 StatisticsServlet.doGet: " + ioe.getMessage(), ioe);
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123 if (req.getParameter(FEEDID) != null && req.getParameter(GROUPID) == null) {
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124 map.put(FEEDIDS, req.getParameter(FEEDID).replace("|", ","));
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126 if (req.getParameter(GROUPID) != null && req.getParameter(FEEDID) == null) {
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127 StringBuilder groupid1;
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129 groupid1 = this.getFeedIdsByGroupId(Integer.parseInt(req.getParameter(GROUPID)));
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130 map.put(FEEDIDS, groupid1.toString());
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131 } catch (NumberFormatException e) {
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132 eventlogger.error("PROV0172 StatisticsServlet.doGet: " + e.getMessage(), e);
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135 if (req.getParameter(GROUPID) != null && req.getParameter(FEEDID) != null) {
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136 StringBuilder groupid1;
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138 groupid1 = this.getFeedIdsByGroupId(Integer.parseInt(req.getParameter(GROUPID)));
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139 groupid1.append(",");
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140 groupid1.append(req.getParameter(FEEDID).replace("|", ","));
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141 map.put(FEEDIDS, groupid1.toString());
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142 } catch (NumberFormatException e) {
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143 eventlogger.error("PROV0173 StatisticsServlet.doGet: " + e.getMessage(), e);
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146 if (req.getParameter(SUBID) != null && req.getParameter(FEEDID) != null) {
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147 String subidstr = "and e.DELIVERY_SUBID in("
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148 + req.getParameter(SUBID).replace("|", ",") + ")";
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149 map.put(SUBID, subidstr);
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151 if (req.getParameter(SUBID) != null && req.getParameter(GROUPID) != null) {
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152 String subidstr = "and e.DELIVERY_SUBID in("
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153 + req.getParameter(SUBID).replace("|", ",") + ")";
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154 map.put(SUBID, subidstr);
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156 if (req.getParameter("type") != null) {
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157 map.put(EVENT_TYPE, req.getParameter("type").replace("|", ","));
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159 if (req.getParameter(OUTPUT_TYPE) != null) {
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160 map.put(OUTPUT_TYPE, req.getParameter(OUTPUT_TYPE));
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161 outputType = req.getParameter(OUTPUT_TYPE);
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163 if (req.getParameter(OUTPUT_TYPE) != null && req.getParameter(OUTPUT_TYPE).equals(JSON_OUTPUT_TYPE)) {
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164 map.put(OUTPUT_TYPE, JSON_OUTPUT_TYPE);
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166 if (req.getParameter(START_TIME) != null) {
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167 String startTime = req.getParameter(START_TIME);
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169 Long.parseLong(startTime);
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170 map.put(START_TIME, startTime);
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172 catch (NumberFormatException e) {
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173 eventlogger.error("Invalid start time StatisticsServlet.doGet: " + e.getMessage(), e);
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176 if (req.getParameter(END_TIME) != null) {
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177 String endTime = req.getParameter(END_TIME);
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179 Long.parseLong(endTime);
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180 map.put(END_TIME, endTime);
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182 catch (NumberFormatException e) {
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183 eventlogger.error("Invalid end time StatisticsServlet.doGet: " + e.getMessage(), e);
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186 if (req.getParameter("time") != null) {
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187 String time = req.getParameter("time");
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189 Long.parseLong(time);
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190 map.put(START_TIME, time);
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191 map.put(END_TIME, null);
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193 catch (NumberFormatException e) {
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194 eventlogger.error("Invalid end time StatisticsServlet.doGet: " + e.getMessage(), e);
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198 this.getRecordsForSQL(map, outputType, resp.getOutputStream(), resp);
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199 } catch (IOException ioe) {
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200 eventlogger.error("PROV0174 StatisticsServlet.doGet: " + ioe.getMessage(), ioe);
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206 * rsToJson - Converting RS to JSON object.
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208 * @param out ServletOutputStream
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209 * @param rs as ResultSet
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210 * @throws IOException input/output exception
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211 * @throws SQLException SQL exception
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213 private void rsToCSV(ResultSet rs, ServletOutputStream out) throws IOException, SQLException {
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214 String header = "FEEDNAME,FEEDID,FILES_PUBLISHED,PUBLISH_LENGTH, FILES_DELIVERED, "
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215 + "DELIVERED_LENGTH, SUBSCRIBER_URL, SUBID, PUBLISH_TIME,DELIVERY_TIME, AverageDelay\n";
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216 out.write(header.getBytes());
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218 while (rs.next()) {
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219 String line = rs.getString("FEEDNAME")
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221 + rs.getString(FEEDID)
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223 + rs.getString("FILES_PUBLISHED")
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225 + rs.getString("PUBLISH_LENGTH")
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227 + rs.getString("FILES_DELIVERED")
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229 + rs.getString("DELIVERED_LENGTH")
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231 + rs.getString("SUBSCRIBER_URL")
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233 + rs.getString("SUBID")
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235 + rs.getString("PUBLISH_TIME")
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237 + rs.getString("DELIVERY_TIME")
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239 + rs.getString("AverageDelay")
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242 out.write(line.getBytes());
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248 * rsToJson - Converting RS to JSON object.
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250 * @param out ServletOutputStream
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251 * @param rs as ResultSet
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252 * @throws IOException input/output exception
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253 * @throws SQLException SQL exception
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255 private void rsToJson(ResultSet rs, ServletOutputStream out) throws IOException, SQLException {
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256 String[] fields = {"FEEDNAME", FEEDID, "FILES_PUBLISHED", "PUBLISH_LENGTH", "FILES_DELIVERED",
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257 "DELIVERED_LENGTH", "SUBSCRIBER_URL", "SUBID", "PUBLISH_TIME", "DELIVERY_TIME",
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259 StringBuilder line = new StringBuilder();
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260 line.append("[\n");
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261 while (rs.next()) {
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262 LOGJSONObject j2 = new LOGJSONObject();
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263 for (String key : fields) {
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264 Object val = rs.getString(key);
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266 j2.put(key.toLowerCase(), val);
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268 j2.put(key.toLowerCase(), "");
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271 line.append(j2.toString());
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272 line.append(",\n");
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275 out.print(line.toString());
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279 * getFeedIdsByGroupId - Getting FEEDID's by GROUP ID.
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281 * @param groupIds Integer ref of Group
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283 private StringBuilder getFeedIdsByGroupId(int groupIds) {
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284 StringBuilder feedIds = new StringBuilder();
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285 try (Connection conn = ProvDbUtils.getInstance().getConnection();
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286 PreparedStatement prepareStatement = conn.prepareStatement(
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287 " SELECT FEEDID from FEEDS WHERE GROUPID = ?")) {
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288 prepareStatement.setInt(1, groupIds);
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289 try (ResultSet resultSet = prepareStatement.executeQuery()) {
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290 while (resultSet.next()) {
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291 feedIds.append(resultSet.getInt(FEEDID));
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292 feedIds.append(",");
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295 feedIds.deleteCharAt(feedIds.length() - 1);
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296 eventlogger.info("PROV0177 StatisticsServlet.getFeedIdsByGroupId: feedIds = " + feedIds.toString());
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297 } catch (SQLException e) {
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298 eventlogger.error("PROV0175 StatisticsServlet.getFeedIdsByGroupId: " + e.getMessage(), e);
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305 * getResultSet - Set the result from the query.
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307 * @param map as key value pare of all user input fields
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309 private void getResultSet(Map<String, String> map, String outputType, ServletOutputStream out,
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310 HttpServletResponse resp) throws ParseException, SQLException, IOException {
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313 String feedids = null;
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314 String startTime = null;
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315 String endTime = null;
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316 long compareTime = 0;
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317 long startInMillis = 0;
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318 long endInMillis = 0;
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319 String subid = " ";
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320 String compareType;
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323 if (map.get(FEEDIDS) != null) {
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324 feedids = map.get(FEEDIDS);
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326 if (map.get(START_TIME) != null) {
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327 startTime = map.get(START_TIME);
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329 if (map.get(END_TIME) != null) {
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330 endTime = map.get(END_TIME);
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332 if (map.get(SUBID) != null) {
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333 subid = map.get(SUBID);
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336 if (endTime == null && startTime == null) {
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337 sql = SQL_SELECT_NAME + "?" + SQL_FEED_ID + SQL_SELECT_COUNT + "?" + SQL_TYPE_PUB + SQL_SELECT_SUM
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338 + "?" + SQL_PUBLISH_LENGTH + SQL_SUBSCRIBER_URL + SQL_SUB_ID + SQL_DELIVERY_TIME + SQL_AVERAGE_DELAY
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339 + SQL_JOIN_RECORDS + "?" + ") " + SQL_STATUS_204 + SQL_GROUP_SUB_ID;
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340 compareType = "default";
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341 } else if (startTime != null && endTime == null) {
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342 long inputTimeInMilli = 60000 * Long.parseLong(startTime);
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343 Calendar cal = Calendar.getInstance(TimeZone.getTimeZone("GMT"));
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344 long currentTimeInMilli = cal.getTimeInMillis();
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345 compareTime = currentTimeInMilli - inputTimeInMilli;
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346 sql = SQL_SELECT_NAME + "?" + SQL_FEED_ID + SQL_SELECT_COUNT + "?" + SQL_TYPE_PUB + SQL_SELECT_SUM
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347 + "?" + SQL_PUBLISH_LENGTH + SQL_SUBSCRIBER_URL + SQL_SUB_ID + SQL_DELIVERY_TIME + SQL_AVERAGE_DELAY
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348 + SQL_JOIN_RECORDS + "?" + ") " + SQL_STATUS_204
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349 + " and e.event_time>=" + "?" + SQL_GROUP_SUB_ID;
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350 compareType = START;
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352 SimpleDateFormat inFormat = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss");
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353 Date startDate = inFormat.parse(startTime);
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354 Date endDate = inFormat.parse(endTime);
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355 startInMillis = startDate.getTime();
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356 endInMillis = endDate.getTime();
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357 sql = SQL_SELECT_NAME + "?" + SQL_FEED_ID + SQL_SELECT_COUNT + "?" + SQL_TYPE_PUB + SQL_SELECT_SUM
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358 + "?" + SQL_PUBLISH_LENGTH + SQL_SUBSCRIBER_URL + SQL_SUB_ID + SQL_DELIVERY_TIME + SQL_AVERAGE_DELAY
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359 + SQL_JOIN_RECORDS + "?" + ") " + SQL_STATUS_204
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360 + " and e.event_time between " + "?" + " and " + "?" + SQL_GROUP_SUB_ID;
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361 compareType = "startAndEnd";
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363 try (Connection conn = ProvDbUtils.getInstance().getConnection();
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364 PreparedStatement ps = conn.prepareStatement(sql)) {
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365 eventlogger.debug("SQL Query for Statistics resultset. " + sql);
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366 intlogger.debug(sql);
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367 ps.setString(1, feedids);
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368 ps.setString(2, feedids);
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369 ps.setString(3, feedids);
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370 ps.setString(4, feedids);
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371 if (compareType.equals(START)) {
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372 ps.setLong(5, compareTime);
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374 if (compareType.equals("startAndEnd")) {
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375 ps.setLong(5, startInMillis);
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376 ps.setLong(6, endInMillis);
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378 rs = ps.executeQuery();
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379 parseResult(outputType, out, resp, rs);
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385 * PUT a Statistics URL -- not supported.
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388 public void doPut(HttpServletRequest req, HttpServletResponse resp) {
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389 String message = "PUT not allowed for the StatisticsURL.";
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390 EventLogRecord elr = new EventLogRecord(req);
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391 elr.setMessage(message);
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392 elr.setResult(HttpServletResponse.SC_METHOD_NOT_ALLOWED);
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393 eventlogger.error(elr.toString());
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394 sendResponseError(resp, HttpServletResponse.SC_METHOD_NOT_ALLOWED, message, eventlogger);
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398 * POST a Statistics URL -- not supported.
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401 public void doPost(HttpServletRequest req, HttpServletResponse resp) {
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402 String message = "POST not allowed for the StatisticsURL.";
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403 EventLogRecord elr = new EventLogRecord(req);
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404 elr.setMessage(message);
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405 elr.setResult(HttpServletResponse.SC_METHOD_NOT_ALLOWED);
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406 eventlogger.error(elr.toString());
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407 sendResponseError(resp, HttpServletResponse.SC_METHOD_NOT_ALLOWED, message, eventlogger);
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410 private Map<String, String> buildMapFromRequest(HttpServletRequest req) {
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411 Map<String, String> map = new HashMap<>();
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412 String str = req.getParameter("type");
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414 if ("pub".equals(str) || "del".equals(str) || "exp".equals(str)) {
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415 map.put("type", str);
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417 map.put("err", "bad type");
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421 map.put("type", "all");
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423 map.put("publishSQL", "");
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424 map.put("statusSQL", "");
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425 map.put("resultSQL", "");
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426 map.put(REASON_SQL, "");
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428 str = req.getParameter("publishId");
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430 if (str.indexOf("'") >= 0) {
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431 map.put("err", "bad publishId");
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434 map.put("publishSQL", " AND PUBLISH_ID = '" + str + "'");
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437 str = req.getParameter("statusCode");
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442 sql = " AND STATUS >= 200 AND STATUS < 300";
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445 sql = " AND STATUS >= 300 AND STATUS < 400";
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448 sql = " AND STATUS >= 400";
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452 int statusCode = Integer.parseInt(str);
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453 if ((statusCode >= 100 && statusCode < 600) || (statusCode == -1)) {
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454 sql = " AND STATUS = " + statusCode;
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456 } catch (NumberFormatException e) {
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457 eventlogger.error("Failed to parse input", e);
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462 map.put("err", "bad statusCode");
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465 map.put("statusSQL", sql);
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466 map.put("resultSQL", sql.replace("STATUS", "RESULT"));
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469 str = req.getParameter("expiryReason");
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471 map.put("type", "exp");
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473 case "notRetryable":
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474 map.put(REASON_SQL, " AND REASON = 'notRetryable'");
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476 case "retriesExhausted":
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477 map.put(REASON_SQL, " AND REASON = 'retriesExhausted'");
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480 map.put(REASON_SQL, " AND REASON = 'diskFull'");
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483 map.put(REASON_SQL, " AND REASON = 'other'");
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486 map.put("err", "bad expiryReason");
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491 long stime = getTimeFromParam(req.getParameter(START));
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493 map.put("err", "bad start");
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496 long etime = getTimeFromParam(req.getParameter("end"));
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498 map.put("err", "bad end");
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501 if (stime == 0 && etime == 0) {
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502 etime = System.currentTimeMillis();
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503 stime = etime - TWENTYFOUR_HOURS;
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504 } else if (stime == 0) {
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505 stime = etime - TWENTYFOUR_HOURS;
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506 } else if (etime == 0) {
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507 etime = stime + TWENTYFOUR_HOURS;
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509 map.put("timeSQL", String.format(" AND EVENT_TIME >= %d AND EVENT_TIME <= %d", stime, etime));
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513 private long getTimeFromParam(final String str) {
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518 // First, look for an RFC 3339 date
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519 String fmt = (str.indexOf('.') > 0) ? FMT2 : FMT1;
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520 SimpleDateFormat sdf = new SimpleDateFormat(fmt);
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521 Date date = sdf.parse(str);
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522 return date.getTime();
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523 } catch (ParseException e) {
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524 intlogger.error("Exception in getting Time :- " + e.getMessage(), e);
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527 // Also allow a long (in ms); useful for testing
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528 return Long.parseLong(str);
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529 } catch (NumberFormatException e) {
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530 intlogger.error("Exception in getting Time :- " + e.getMessage(), e);
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532 intlogger.info("Error parsing time=" + str);
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536 private void getRecordsForSQL(Map<String, String> map, String outputType, ServletOutputStream out,
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537 HttpServletResponse resp) {
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538 eventlogger.info("Generating sql query to get Statistics resultset. ");
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540 long start = System.currentTimeMillis();
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541 this.getResultSet(map, outputType, out, resp);
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542 intlogger.debug("Time: " + (System.currentTimeMillis() - start) + " ms");
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543 } catch (SQLException e) {
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544 eventlogger.error("SQLException:" + e.getMessage());
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545 e.printStackTrace();
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546 } catch (IOException e) {
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547 eventlogger.error("IOException - Generating JSON/CSV:" + e);
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548 } catch (JSONException e) {
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549 eventlogger.error("JSONException - executing SQL query:" + e);
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550 } catch (ParseException e) {
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551 eventlogger.error("ParseException - executing SQL query:" + e);
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555 private void parseResult(String outputType, ServletOutputStream out, HttpServletResponse resp,
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556 ResultSet rs) throws IOException, SQLException {
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557 if (CSV_OUTPUT_TYPE.equals(outputType)) {
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558 resp.setContentType("application/octet-stream");
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559 DateTimeFormatter formatter = DateTimeFormatter.ofPattern("dd-MM-yyyy HH:mm:ss");
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560 resp.setHeader("Content-Disposition",
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561 "attachment; filename=\"result:" + LocalDateTime.now().format(formatter) + ".csv\"");
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562 eventlogger.info("Generating CSV file from Statistics resultset");
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565 eventlogger.info("Generating JSON for Statistics resultset");
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566 this.rsToJson(rs, out);
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