[2165] | 1 | // Copyright 2015 Georg-August-Universität Göttingen, Germany |
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| 2 | // |
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| 3 | // Licensed under the Apache License, Version 2.0 (the "License"); |
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| 4 | // you may not use this file except in compliance with the License. |
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| 5 | // You may obtain a copy of the License at |
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| 6 | // |
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| 7 | // http://www.apache.org/licenses/LICENSE-2.0 |
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| 8 | // |
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| 9 | // Unless required by applicable law or agreed to in writing, software |
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| 10 | // distributed under the License is distributed on an "AS IS" BASIS, |
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| 11 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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| 12 | // See the License for the specific language governing permissions and |
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| 13 | // limitations under the License. |
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| 14 | |
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| 15 | package de.ugoe.cs.autoquest.plugin.genericevents; |
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| 16 | |
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| 17 | import java.io.File; |
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| 18 | import java.io.FileOutputStream; |
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| 19 | import java.io.IOException; |
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| 20 | import java.io.OutputStreamWriter; |
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| 21 | import java.io.PrintWriter; |
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| 22 | import java.util.HashMap; |
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| 23 | import java.util.HashSet; |
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| 24 | import java.util.LinkedList; |
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| 25 | import java.util.List; |
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| 26 | import java.util.ListIterator; |
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| 27 | import java.util.Map; |
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| 28 | import java.util.Set; |
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| 29 | |
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| 30 | import org.apache.commons.io.FileUtils; |
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| 31 | import org.xml.sax.Attributes; |
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| 32 | import org.xml.sax.SAXException; |
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| 33 | |
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| 34 | import de.ugoe.cs.util.StringTools; |
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| 35 | import de.ugoe.cs.util.console.Console; |
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| 36 | |
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| 37 | /** |
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| 38 | * <p> |
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| 39 | * TODO comment |
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| 40 | * </p> |
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| 41 | * |
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| 42 | * @author Patrick Harms |
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| 43 | */ |
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| 44 | public class GenericEventLogSplitter extends AbstractDefaultLogParser { |
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| 45 | |
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| 46 | /** */ |
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| 47 | private Attributes sessionAttributes = null; |
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| 48 | |
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| 49 | /** */ |
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| 50 | private Map<String, Map<String, String>> targets = new HashMap<>(); |
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| 51 | |
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| 52 | /** */ |
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| 53 | private List<Event> events = new LinkedList<>(); |
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| 54 | |
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| 55 | /** |
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| 56 | * |
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| 57 | */ |
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| 58 | public void splitLogFile(File file, File destinationFolder, long timediff) |
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| 59 | throws SAXException, IOException |
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| 60 | { |
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| 61 | super.parseFile(file); |
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| 62 | |
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| 63 | List<List<Event>> splittedEvents = new LinkedList<>(); |
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| 64 | LinkedList<Event> currentList = new LinkedList<>(); |
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| 65 | splittedEvents.add(currentList); |
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| 66 | |
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| 67 | for (Event event : events) { |
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| 68 | if ((currentList.size() > 0) && |
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| 69 | ((event.getTimestamp() - currentList.getLast().getTimestamp()) > timediff)) |
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| 70 | { |
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| 71 | currentList = new LinkedList<>(); |
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| 72 | splittedEvents.add(currentList); |
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| 73 | } |
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| 74 | |
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| 75 | currentList.add(event); |
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| 76 | } |
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| 77 | |
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| 78 | if (splittedEvents.size() == 1) { |
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| 79 | // simply copy the file |
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| 80 | FileUtils.copyFileToDirectory(file, destinationFolder); |
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| 81 | } |
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| 82 | else { |
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| 83 | Console.println("splitting " + file.getAbsolutePath()); |
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| 84 | |
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| 85 | int index = 0; |
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| 86 | for (List<Event> session : splittedEvents) { |
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| 87 | PrintWriter out = null; |
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| 88 | try { |
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| 89 | String fileName = file.getName().substring(0, file.getName().lastIndexOf('.')) + |
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| 90 | "_" + index++ + file.getName().substring(file.getName().lastIndexOf('.')); |
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| 91 | File destFile = new File(destinationFolder, fileName); |
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| 92 | Console.println("writing " + destFile.getAbsolutePath()); |
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| 93 | |
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| 94 | FileOutputStream fis = new FileOutputStream(destFile); |
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| 95 | out = new PrintWriter(new OutputStreamWriter(fis, "UTF-8")); |
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| 96 | out.println("<?xml version=\"1.0\" encoding=\"UTF-8\"?>"); |
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| 97 | out.print("<session"); |
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| 98 | |
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| 99 | for (int i = 0; i < sessionAttributes.getLength(); i++) { |
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| 100 | out.print(' '); |
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| 101 | out.print(sessionAttributes.getLocalName(i)); |
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| 102 | out.print("=\""); |
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| 103 | out.print(StringTools.xmlEntityReplacement(sessionAttributes.getValue(i))); |
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| 104 | out.print("\""); |
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| 105 | } |
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| 106 | |
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| 107 | out.println(">"); |
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| 108 | |
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| 109 | Set<String> loggedTargets = new HashSet<>(); |
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| 110 | for (Event event : session) { |
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| 111 | String targetId = event.getParameter("targetId"); |
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| 112 | if (!loggedTargets.contains(targetId)) { |
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| 113 | logTarget(targetId, out); |
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| 114 | loggedTargets.add(targetId); |
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| 115 | } |
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| 116 | logEvent(event, out); |
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| 117 | } |
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| 118 | |
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| 119 | |
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| 120 | out.println("</session>"); |
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| 121 | } |
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| 122 | finally { |
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| 123 | if (out != null) { |
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| 124 | out.close(); |
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| 125 | } |
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| 126 | } |
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| 127 | } |
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| 128 | } |
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| 129 | } |
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| 130 | |
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| 131 | /** |
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| 132 | * <p> |
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| 133 | * TODO: comment |
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| 134 | * </p> |
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| 135 | * |
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| 136 | * @param event |
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| 137 | * @param out |
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| 138 | */ |
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| 139 | private void logEvent(Event event, PrintWriter out) { |
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| 140 | out.print("<event type=\""); |
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| 141 | out.print(event.getType()); |
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| 142 | out.println("\">"); |
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| 143 | |
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| 144 | for (Map.Entry<String, String> parameter : event.getParameters().entrySet()) { |
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| 145 | logParam(parameter.getKey(), parameter.getValue(), out); |
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| 146 | } |
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| 147 | |
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| 148 | out.println("</event>"); |
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| 149 | } |
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| 150 | |
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| 151 | /** |
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| 152 | * <p> |
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| 153 | * TODO: comment |
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| 154 | * </p> |
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| 155 | * |
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| 156 | * @param targetId |
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| 157 | * @param out |
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| 158 | */ |
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| 159 | private void logTarget(String targetId, PrintWriter out) { |
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| 160 | Map<String, String> parameters = targets.get(targetId); |
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| 161 | |
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| 162 | if (parameters.containsKey("parent")) { |
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| 163 | logTarget(parameters.get("parent"), out); |
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| 164 | } |
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| 165 | |
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| 166 | out.print("<target id=\""); |
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| 167 | out.print(targetId); |
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| 168 | out.println("\">"); |
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| 169 | |
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| 170 | for (Map.Entry<String, String> param : targets.get(targetId).entrySet()) { |
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| 171 | logParam(param.getKey(), param.getValue(), out); |
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| 172 | } |
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| 173 | |
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| 174 | out.println("</target>"); |
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| 175 | } |
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| 176 | |
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| 177 | /** |
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| 178 | * <p> |
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| 179 | * TODO: comment |
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| 180 | * </p> |
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| 181 | * |
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| 182 | * @param key |
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| 183 | * @param value |
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| 184 | * @param out |
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| 185 | */ |
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| 186 | private void logParam(String key, String value, PrintWriter out) { |
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| 187 | out.print(" <param name=\""); |
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| 188 | out.print(key); |
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| 189 | out.print("\" value=\""); |
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| 190 | out.print(StringTools.xmlEntityReplacement(value)); |
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| 191 | out.println("\"/>"); |
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| 192 | } |
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| 193 | |
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| 194 | /* (non-Javadoc) |
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| 195 | * @see de.ugoe.cs.autoquest.plugin.genericevents.AbstractDefaultLogParser#startElement(java.lang.String, java.lang.String, java.lang.String, org.xml.sax.Attributes) |
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| 196 | */ |
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| 197 | @Override |
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| 198 | public void startElement(String uri, String localName, String qName, Attributes atts) |
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| 199 | throws SAXException |
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| 200 | { |
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| 201 | super.startElement(uri, localName, qName, atts); |
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| 202 | |
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| 203 | if (qName.equals("session")) { |
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| 204 | sessionAttributes = atts; |
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| 205 | } |
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| 206 | } |
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| 207 | |
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| 208 | /* (non-Javadoc) |
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| 209 | * @see de.ugoe.cs.autoquest.plugin.genericevents.AbstractDefaultLogParser#handleTarget(java.lang.String, java.util.Map) |
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| 210 | */ |
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| 211 | @Override |
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| 212 | protected boolean handleTarget(String id, Map<String, String> parameters) throws SAXException { |
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| 213 | targets.put(id, parameters); |
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| 214 | return true; |
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| 215 | } |
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| 216 | |
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| 217 | /* (non-Javadoc) |
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| 218 | * @see de.ugoe.cs.autoquest.plugin.genericevents.AbstractDefaultLogParser#handleEvent(java.lang.String, java.util.Map) |
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| 219 | */ |
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| 220 | @Override |
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| 221 | protected boolean handleEvent(String type, Map<String, String> parameters) throws SAXException { |
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| 222 | Event event = new Event(type, parameters); |
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| 223 | |
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| 224 | ListIterator<Event> iterator = events.listIterator(); |
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| 225 | boolean added = false; |
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| 226 | |
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| 227 | while (iterator.hasNext()) { |
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| 228 | Event candidate = iterator.next(); |
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| 229 | if (candidate.getTimestamp() > event.getTimestamp()) { |
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| 230 | iterator.previous(); |
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| 231 | iterator.add(event); |
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| 232 | added = true; |
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| 233 | break; |
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| 234 | } |
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| 235 | } |
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| 236 | |
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| 237 | if (!added) { |
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| 238 | events.add(event); |
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| 239 | } |
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| 240 | |
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| 241 | return true; |
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| 242 | } |
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| 243 | |
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| 244 | |
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| 245 | /** |
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| 246 | * <p> |
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| 247 | * TODO comment |
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| 248 | * </p> |
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| 249 | * |
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| 250 | * @author Patrick Harms |
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| 251 | */ |
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| 252 | public class Event { |
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| 253 | |
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| 254 | private String type; |
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| 255 | private Map<String, String> parameters; |
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| 256 | |
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| 257 | /** |
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| 258 | * <p> |
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| 259 | * TODO: comment |
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| 260 | * </p> |
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| 261 | * |
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| 262 | * @param type |
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| 263 | * @param parameters |
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| 264 | */ |
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| 265 | public Event(String type, Map<String, String> parameters) { |
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| 266 | this.type = type; |
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| 267 | this.parameters = parameters; |
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| 268 | } |
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| 269 | |
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| 270 | /** |
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| 271 | * <p> |
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| 272 | * TODO: comment |
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| 273 | * </p> |
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| 274 | * |
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| 275 | */ |
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| 276 | public long getTimestamp() { |
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| 277 | return Long.parseLong(parameters.get("timestamp")); |
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| 278 | } |
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| 279 | |
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| 280 | /** |
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| 281 | * <p> |
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| 282 | * TODO: comment |
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| 283 | * </p> |
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| 284 | * |
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| 285 | */ |
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| 286 | public Map<String, String> getParameters() { |
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| 287 | return parameters; |
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| 288 | } |
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| 289 | |
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| 290 | /** |
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| 291 | * <p> |
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| 292 | * TODO: comment |
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| 293 | * </p> |
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| 294 | * |
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| 295 | */ |
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| 296 | public String getType() { |
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| 297 | return type; |
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| 298 | } |
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| 299 | |
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| 300 | /** |
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| 301 | * <p> |
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| 302 | * TODO: comment |
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| 303 | * </p> |
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| 304 | * |
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[2215] | 305 | * @param key |
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[2165] | 306 | */ |
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| 307 | public String getParameter(String key) { |
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| 308 | return parameters.get(key); |
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| 309 | } |
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| 310 | |
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| 311 | } |
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| 312 | |
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| 313 | } |
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