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.util.Calendar;
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36 import java.util.Date;
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37 import java.util.HashMap;
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38 import java.util.Map;
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39 import java.util.TimeZone;
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40 import javax.servlet.ServletOutputStream;
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41 import javax.servlet.http.HttpServletRequest;
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42 import javax.servlet.http.HttpServletResponse;
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43 import org.json.JSONException;
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44 import org.onap.dmaap.datarouter.provisioning.beans.EventLogRecord;
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45 import org.onap.dmaap.datarouter.provisioning.utils.DB;
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46 import org.onap.dmaap.datarouter.provisioning.utils.LOGJSONObject;
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50 * This Servlet handles requests to the <Statistics API> and <Statistics consilidated
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53 * @author Manish Singh
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54 * @version $Id: StatisticsServlet.java,v 1.11 2016/08/10 17:27:02 Manish Exp $
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56 @SuppressWarnings("serial")
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59 public class StatisticsServlet extends BaseServlet {
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61 private static final long TWENTYFOUR_HOURS = (24 * 60 * 60 * 1000L);
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62 private static final String FMT1 = "yyyy-MM-dd'T'HH:mm:ss'Z'";
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63 private static final String FMT2 = "yyyy-MM-dd'T'HH:mm:ss.SSS'Z'";
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64 public static final String FEEDID = "FEEDID";
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68 * DELETE a logging URL -- not supported.
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71 public void doDelete(HttpServletRequest req, HttpServletResponse resp) {
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72 String message = "DELETE not allowed for the logURL.";
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73 EventLogRecord elr = new EventLogRecord(req);
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74 elr.setMessage(message);
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75 elr.setResult(HttpServletResponse.SC_METHOD_NOT_ALLOWED);
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76 eventlogger.error(elr.toString());
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77 sendResponseError(resp, HttpServletResponse.SC_METHOD_NOT_ALLOWED, message, eventlogger);
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81 * GET a Statistics URL -- retrieve Statistics data for a feed or subscription. See the
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82 * <b>Statistics API</b> document for details on how this method should be invoked.
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85 public void doGet(HttpServletRequest req, HttpServletResponse resp) {
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86 Map<String, String> map = buildMapFromRequest(req);
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87 if (map.get("err") != null) {
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88 sendResponseError(resp, HttpServletResponse.SC_BAD_REQUEST,
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89 "Invalid arguments: " + map.get("err"), eventlogger);
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92 // check Accept: header??
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93 resp.setStatus(HttpServletResponse.SC_OK);
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94 resp.setContentType(LOGLIST_CONTENT_TYPE);
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95 String outputType = "json";
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96 if (req.getParameter(FEEDID) == null && req.getParameter(GROUPID) == null) {
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98 resp.getOutputStream().print("Invalid request, Feedid or Group ID is required.");
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99 } catch (IOException ioe) {
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100 eventlogger.error("PROV0171 StatisticsServlet.doGet: " + ioe.getMessage(), ioe);
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103 if (req.getParameter(FEEDID) != null && req.getParameter(GROUPID) == null) {
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104 map.put(FEEDIDS, req.getParameter(FEEDID).replace("|", ","));
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106 if (req.getParameter(GROUPID) != null && req.getParameter(FEEDID) == null) {
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107 StringBuilder groupid1;
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109 groupid1 = this.getFeedIdsByGroupId(Integer.parseInt(req.getParameter(GROUPID)));
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110 map.put(FEEDIDS, groupid1.toString());
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111 } catch (NumberFormatException | SQLException e) {
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112 eventlogger.error("PROV0172 StatisticsServlet.doGet: " + e.getMessage(), e);
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115 if (req.getParameter(GROUPID) != null && req.getParameter(FEEDID) != null) {
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116 StringBuilder groupid1;
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118 groupid1 = this.getFeedIdsByGroupId(Integer.parseInt(req.getParameter(GROUPID)));
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119 groupid1.append(",");
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120 groupid1.append(req.getParameter(FEEDID).replace("|", ","));
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121 map.put(FEEDIDS, groupid1.toString());
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122 } catch (NumberFormatException | SQLException e) {
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123 eventlogger.error("PROV0173 StatisticsServlet.doGet: " + e.getMessage(), e);
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126 if (req.getParameter(SUBID) != null && req.getParameter(FEEDID) != null) {
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127 String subidstr = "and e.DELIVERY_SUBID in("
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128 + req.getParameter(SUBID).replace("|", ",") + ")";
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129 map.put(SUBID, subidstr);
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131 if (req.getParameter(SUBID) != null && req.getParameter(GROUPID) != null) {
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132 String subidstr = "and e.DELIVERY_SUBID in("
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133 + req.getParameter(SUBID).replace("|", ",") + ")";
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134 map.put(SUBID, subidstr);
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136 if (req.getParameter("type") != null) {
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137 map.put(EVENT_TYPE, req.getParameter("type").replace("|", ","));
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139 if (req.getParameter(OUTPUT_TYPE) != null) {
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140 map.put(OUTPUT_TYPE, req.getParameter(OUTPUT_TYPE));
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142 if (req.getParameter(START_TIME) != null) {
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143 map.put(START_TIME, req.getParameter(START_TIME));
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145 if (req.getParameter(END_TIME) != null) {
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146 map.put(END_TIME, req.getParameter(END_TIME));
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148 if (req.getParameter("time") != null) {
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149 map.put(START_TIME, req.getParameter("time"));
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150 map.put(END_TIME, null);
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152 if (req.getParameter(OUTPUT_TYPE) != null) {
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153 outputType = req.getParameter(OUTPUT_TYPE);
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156 this.getRecordsForSQL(map, outputType, resp.getOutputStream(), resp);
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157 } catch (IOException ioe) {
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158 eventlogger.error("PROV0174 StatisticsServlet.doGet: " + ioe.getMessage(), ioe);
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165 * rsToJson - Converting RS to JSON object.
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167 * @param out ServletOutputStream
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168 * @param rs as ResultSet
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169 * @throws IOException input/output exception
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170 * @throws SQLException SQL exception
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172 public void rsToCSV(ResultSet rs, ServletOutputStream out) throws IOException, SQLException {
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173 String header = "FEEDNAME,FEEDID,FILES_PUBLISHED,PUBLISH_LENGTH, FILES_DELIVERED, "
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174 + "DELIVERED_LENGTH, SUBSCRIBER_URL, SUBID, PUBLISH_TIME,DELIVERY_TIME, AverageDelay\n";
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175 out.write(header.getBytes());
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177 while (rs.next()) {
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178 String line = rs.getString("FEEDNAME")
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180 + rs.getString(FEEDID)
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182 + rs.getString("FILES_PUBLISHED")
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184 + rs.getString("PUBLISH_LENGTH")
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186 + rs.getString("FILES_DELIVERED")
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188 + rs.getString("DELIVERED_LENGTH")
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190 + rs.getString("SUBSCRIBER_URL")
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192 + rs.getString("SUBID")
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194 + rs.getString("PUBLISH_TIME")
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196 + rs.getString("DELIVERY_TIME")
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198 + rs.getString("AverageDelay")
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201 out.write(line.getBytes());
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207 * rsToJson - Converting RS to JSON object.
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209 * @param out ServletOutputStream
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210 * @param rs as ResultSet
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211 * @throws IOException input/output exception
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212 * @throws SQLException SQL exception
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214 private void rsToJson(ResultSet rs, ServletOutputStream out) throws IOException, SQLException {
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215 String[] fields = {"FEEDNAME", FEEDID, "FILES_PUBLISHED", "PUBLISH_LENGTH", "FILES_DELIVERED",
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216 "DELIVERED_LENGTH", "SUBSCRIBER_URL", "SUBID", "PUBLISH_TIME", "DELIVERY_TIME",
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218 StringBuilder line = new StringBuilder();
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219 line.append("[\n");
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220 while (rs.next()) {
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221 LOGJSONObject j2 = new LOGJSONObject();
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222 for (String key : fields) {
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223 Object val = rs.getString(key);
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225 j2.put(key.toLowerCase(), val);
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227 j2.put(key.toLowerCase(), "");
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230 line.append(j2.toString());
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231 line.append(",\n");
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234 out.print(line.toString());
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238 * getFeedIdsByGroupId - Getting FEEDID's by GROUP ID.
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240 * @throws SQLException Query SQLException.
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242 private StringBuilder getFeedIdsByGroupId(int groupIds) throws SQLException {
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244 Connection conn = null;
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245 ResultSet resultSet = null;
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246 String sqlGoupid = null;
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247 StringBuilder feedIds = new StringBuilder();
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250 conn = db.getConnection();
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251 sqlGoupid = " SELECT FEEDID from FEEDS WHERE GROUPID = ?";
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252 try (PreparedStatement prepareStatement = conn.prepareStatement(sqlGoupid)) {
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253 prepareStatement.setInt(1, groupIds);
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254 resultSet = prepareStatement.executeQuery();
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255 while (resultSet.next()) {
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256 feedIds.append(resultSet.getInt(FEEDID));
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257 feedIds.append(",");
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259 feedIds.deleteCharAt(feedIds.length() - 1);
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260 eventlogger.info("PROV0177 StatisticsServlet.getFeedIdsByGroupId: feedIds = " + feedIds.toString());
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262 } catch (SQLException e) {
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263 eventlogger.error("PROV0175 StatisticsServlet.getFeedIdsByGroupId: " + e.getMessage(), e);
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266 if (resultSet != null) {
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269 if (conn != null) {
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272 } catch (Exception e) {
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273 eventlogger.error("PROV0176 StatisticsServlet.getFeedIdsByGroupId: " + e.getMessage(), e);
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281 * queryGeneretor - Generating sql query.
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283 * @param map as key value pare of all user input fields
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285 private String queryGeneretor(Map<String, String> map) throws ParseException {
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288 String eventType = null;
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289 String feedids = null;
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290 String startTime = null;
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291 String endTime = null;
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292 String subid = " ";
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293 if (map.get(EVENT_TYPE) != null) {
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294 eventType = map.get(EVENT_TYPE);
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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 ("all".equalsIgnoreCase(eventType)) {
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306 eventType = "PUB','DEL, EXP, PBF";
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308 if (map.get(SUBID) != null) {
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309 subid = map.get(SUBID);
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312 eventlogger.info("Generating sql query to get Statistics resultset. ");
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314 if (endTime == null && startTime == null) {
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316 sql = "SELECT (SELECT NAME FROM FEEDS AS f WHERE f.FEEDID in(" + feedids
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317 + ") and f.FEEDID=e.FEEDID) AS FEEDNAME, e.FEEDID as FEEDID, "
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318 + "(SELECT COUNT(*) FROM LOG_RECORDS AS c WHERE c.FEEDID in("
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320 + ") and c.FEEDID=e.FEEDID AND c.TYPE='PUB') AS FILES_PUBLISHED,(SELECT SUM(content_length)"
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321 + " FROM LOG_RECORDS AS c WHERE c.FEEDID in("
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323 + ") and c.FEEDID=e.FEEDID AND c.TYPE='PUB') AS PUBLISH_LENGTH, COUNT(e.EVENT_TIME) as FILES_DELIVERED,"
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324 + "sum(m.content_length) as DELIVERED_LENGTH,SUBSTRING_INDEX(e.REQURI,'/',+3) as SUBSCRIBER_URL,"
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325 + " e.DELIVERY_SUBID as SUBID, "
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326 + "e.EVENT_TIME AS PUBLISH_TIME, m.EVENT_TIME AS DELIVERY_TIME, "
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327 + " AVG(e.EVENT_TIME - m.EVENT_TIME)/1000 as AverageDelay FROM LOG_RECORDS"
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328 + " e JOIN LOG_RECORDS m ON m.PUBLISH_ID = e.PUBLISH_ID AND e.FEEDID IN ("
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329 + feedids + ") " + subid + " AND m.STATUS=204 AND e.RESULT=204 group by SUBID";
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332 } else if (startTime != null && endTime == null) {
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334 long inputTimeInMilli = 60000 * Long.parseLong(startTime);
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335 Calendar cal = Calendar.getInstance(TimeZone.getTimeZone("GMT"));
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336 long currentTimeInMilli = cal.getTimeInMillis();
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337 long compareTime = currentTimeInMilli - inputTimeInMilli;
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339 sql = "SELECT (SELECT NAME FROM FEEDS AS f WHERE f.FEEDID in(" + feedids
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340 + ") and f.FEEDID=e.FEEDID) AS FEEDNAME, e.FEEDID as FEEDID, "
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341 + "(SELECT COUNT(*) FROM LOG_RECORDS AS c WHERE c.FEEDID in("
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343 + ") and c.FEEDID=e.FEEDID AND c.TYPE='PUB') AS FILES_PUBLISHED,"
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344 + "(SELECT SUM(content_length) FROM LOG_RECORDS AS c WHERE c.FEEDID in("
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346 + ") and c.FEEDID=e.FEEDID AND c.TYPE='PUB') AS PUBLISH_LENGTH, COUNT(e.EVENT_TIME) as FILES_DELIVERED,"
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347 + "sum(m.content_length) as DELIVERED_LENGTH,SUBSTRING_INDEX(e.REQURI,'/',+3) as SUBSCRIBER_URL,"
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348 + " e.DELIVERY_SUBID as SUBID, "
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349 + "e.EVENT_TIME AS PUBLISH_TIME, m.EVENT_TIME AS DELIVERY_TIME, "
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350 + "AVG(e.EVENT_TIME - m.EVENT_TIME)/1000 as AverageDelay "
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351 + "FROM LOG_RECORDS e JOIN LOG_RECORDS m ON m.PUBLISH_ID = e.PUBLISH_ID AND e.FEEDID IN ("
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352 + feedids + ") " + subid + " AND m.STATUS=204 AND e.RESULT=204 and e.event_time>="
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353 + compareTime + " group by SUBID";
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358 SimpleDateFormat inFormat = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss");
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359 Date startDate = inFormat.parse(startTime);
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360 Date endDate = inFormat.parse(endTime);
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362 long startInMillis = startDate.getTime();
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363 long endInMillis = endDate.getTime();
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365 sql = "SELECT (SELECT NAME FROM FEEDS AS f WHERE f.FEEDID in(" + feedids
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366 + ") and f.FEEDID=e.FEEDID) AS FEEDNAME, e.FEEDID as FEEDID, "
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367 + "(SELECT COUNT(*) FROM LOG_RECORDS AS c WHERE c.FEEDID in("
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369 + ") and c.FEEDID=e.FEEDID AND c.TYPE='PUB') AS FILES_PUBLISHED,"
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370 + "(SELECT SUM(content_length) FROM LOG_RECORDS AS c WHERE c.FEEDID in("
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372 + ") and c.FEEDID=e.FEEDID AND c.TYPE='PUB') AS PUBLISH_LENGTH, COUNT(e.EVENT_TIME) as FILES_DELIVERED,"
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373 + "sum(m.content_length) as DELIVERED_LENGTH,"
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374 + "SUBSTRING_INDEX(e.REQURI,'/',+3) as SUBSCRIBER_URL,"
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375 + "e.DELIVERY_SUBID as SUBID, "
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376 + "e.EVENT_TIME AS PUBLISH_TIME, m.EVENT_TIME AS DELIVERY_TIME, "
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377 + "AVG(e.EVENT_TIME - m.EVENT_TIME)/1000 as AverageDelay FROM LOG_RECORDS"
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378 + " e JOIN LOG_RECORDS m ON m.PUBLISH_ID = e.PUBLISH_ID AND e.FEEDID IN ("
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379 + feedids + ")" + subid + " AND m.STATUS=204 AND e.RESULT=204 and e.event_time between " + startInMillis
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380 + " and " + endInMillis + " group by SUBID";
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389 * PUT a Statistics URL -- not supported.
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392 public void doPut(HttpServletRequest req, HttpServletResponse resp) {
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393 String message = "PUT not allowed for the StatisticsURL.";
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394 EventLogRecord elr = new EventLogRecord(req);
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395 elr.setMessage(message);
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396 elr.setResult(HttpServletResponse.SC_METHOD_NOT_ALLOWED);
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397 eventlogger.error(elr.toString());
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398 sendResponseError(resp, HttpServletResponse.SC_METHOD_NOT_ALLOWED, message, eventlogger);
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402 * POST a Statistics URL -- not supported.
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405 public void doPost(HttpServletRequest req, HttpServletResponse resp) {
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406 String message = "POST not allowed for the StatisticsURL.";
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407 EventLogRecord elr = new EventLogRecord(req);
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408 elr.setMessage(message);
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409 elr.setResult(HttpServletResponse.SC_METHOD_NOT_ALLOWED);
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410 eventlogger.error(elr.toString());
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411 sendResponseError(resp, HttpServletResponse.SC_METHOD_NOT_ALLOWED, message, eventlogger);
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414 private Map<String, String> buildMapFromRequest(HttpServletRequest req) {
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415 Map<String, String> map = new HashMap<>();
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416 String str = req.getParameter("type");
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418 if ("pub".equals(str) || "del".equals(str) || "exp".equals(str)) {
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419 map.put("type", str);
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421 map.put("err", "bad type");
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425 map.put("type", "all");
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427 map.put("publishSQL", "");
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428 map.put("statusSQL", "");
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429 map.put("resultSQL", "");
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430 map.put(REASON_SQL, "");
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432 str = req.getParameter("publishId");
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434 if (str.indexOf("'") >= 0) {
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435 map.put("err", "bad publishId");
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438 map.put("publishSQL", " AND PUBLISH_ID = '" + str + "'");
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441 str = req.getParameter("statusCode");
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446 sql = " AND STATUS >= 200 AND STATUS < 300";
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449 sql = " AND STATUS >= 300 AND STATUS < 400";
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452 sql = " AND STATUS >= 400";
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456 int statusCode = Integer.parseInt(str);
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457 if ((statusCode >= 100 && statusCode < 600) || (statusCode == -1)) {
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458 sql = " AND STATUS = " + statusCode;
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460 } catch (NumberFormatException e) {
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461 eventlogger.error("Failed to parse input", e);
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466 map.put("err", "bad statusCode");
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469 map.put("statusSQL", sql);
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470 map.put("resultSQL", sql.replaceAll("STATUS", "RESULT"));
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473 str = req.getParameter("expiryReason");
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475 map.put("type", "exp");
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477 case "notRetryable":
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478 map.put(REASON_SQL, " AND REASON = 'notRetryable'");
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480 case "retriesExhausted":
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481 map.put(REASON_SQL, " AND REASON = 'retriesExhausted'");
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484 map.put(REASON_SQL, " AND REASON = 'diskFull'");
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487 map.put(REASON_SQL, " AND REASON = 'other'");
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490 map.put("err", "bad expiryReason");
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495 long stime = getTimeFromParam(req.getParameter("start"));
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497 map.put("err", "bad start");
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500 long etime = getTimeFromParam(req.getParameter("end"));
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502 map.put("err", "bad end");
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505 if (stime == 0 && etime == 0) {
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506 etime = System.currentTimeMillis();
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507 stime = etime - TWENTYFOUR_HOURS;
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508 } else if (stime == 0) {
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509 stime = etime - TWENTYFOUR_HOURS;
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510 } else if (etime == 0) {
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511 etime = stime + TWENTYFOUR_HOURS;
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513 map.put("timeSQL", String.format(" AND EVENT_TIME >= %d AND EVENT_TIME <= %d", stime, etime));
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517 private long getTimeFromParam(final String str) {
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522 // First, look for an RFC 3339 date
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523 String fmt = (str.indexOf('.') > 0) ? FMT2 : FMT1;
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524 SimpleDateFormat sdf = new SimpleDateFormat(fmt);
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525 Date date = sdf.parse(str);
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526 return date.getTime();
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527 } catch (ParseException e) {
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528 intlogger.error("Exception in getting Time :- " + e.getMessage(), e);
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531 // Also allow a long (in ms); useful for testing
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532 return Long.parseLong(str);
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533 } catch (NumberFormatException e) {
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534 intlogger.error("Exception in getting Time :- " + e.getMessage(), e);
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536 intlogger.info("Error parsing time=" + str);
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540 private void getRecordsForSQL(Map<String, String> map, String outputType, ServletOutputStream out,
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541 HttpServletResponse resp) {
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543 String filterQuery = this.queryGeneretor(map);
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544 eventlogger.debug("SQL Query for Statistics resultset. " + filterQuery);
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545 intlogger.debug(filterQuery);
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546 long start = System.currentTimeMillis();
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548 try (Connection conn = db.getConnection()) {
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549 try (ResultSet rs = conn.prepareStatement(filterQuery).executeQuery()) {
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550 if ("csv".equals(outputType)) {
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551 resp.setContentType("application/octet-stream");
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552 Date date = new Date();
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553 SimpleDateFormat dateFormat = new SimpleDateFormat("dd-MM-YYYY HH:mm:ss");
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554 resp.setHeader("Content-Disposition",
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555 "attachment; filename=\"result:" + dateFormat.format(date) + ".csv\"");
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556 eventlogger.info("Generating CSV file from Statistics resultset");
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559 eventlogger.info("Generating JSON for Statistics resultset");
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560 this.rsToJson(rs, out);
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564 } catch (SQLException e) {
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565 eventlogger.error("SQLException:" + e);
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567 intlogger.debug("Time: " + (System.currentTimeMillis() - start) + " ms");
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568 } catch (IOException e) {
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569 eventlogger.error("IOException - Generating JSON/CSV:" + e);
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570 } catch (JSONException e) {
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571 eventlogger.error("JSONException - executing SQL query:" + e);
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572 } catch (ParseException e) {
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573 eventlogger.error("ParseException - executing SQL query:" + e);
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