[1051] | 1 | // Copyright 2012 Georg-August-Universität Göttingen, Germany |
---|
| 2 | // |
---|
| 3 | // Licensed under the Apache License, Version 2.0 (the "License"); |
---|
| 4 | // you may not use this file except in compliance with the License. |
---|
| 5 | // You may obtain a copy of the License at |
---|
| 6 | // |
---|
| 7 | // http://www.apache.org/licenses/LICENSE-2.0 |
---|
| 8 | // |
---|
| 9 | // Unless required by applicable law or agreed to in writing, software |
---|
| 10 | // distributed under the License is distributed on an "AS IS" BASIS, |
---|
| 11 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
---|
| 12 | // See the License for the specific language governing permissions and |
---|
| 13 | // limitations under the License. |
---|
[1047] | 14 | |
---|
| 15 | package de.ugoe.cs.autoquest.plugin.html; |
---|
| 16 | |
---|
| 17 | import java.util.List; |
---|
| 18 | import java.util.Map; |
---|
[1069] | 19 | import java.util.regex.Matcher; |
---|
| 20 | import java.util.regex.Pattern; |
---|
[1047] | 21 | |
---|
| 22 | import org.xml.sax.SAXException; |
---|
| 23 | |
---|
| 24 | import de.ugoe.cs.autoquest.eventcore.Event; |
---|
[1059] | 25 | import de.ugoe.cs.autoquest.eventcore.IEventType; |
---|
[1047] | 26 | import de.ugoe.cs.autoquest.eventcore.guimodel.GUIModel; |
---|
| 27 | import de.ugoe.cs.autoquest.eventcore.guimodel.IGUIElement; |
---|
| 28 | import de.ugoe.cs.autoquest.plugin.html.eventcore.HTMLEventTypeFactory; |
---|
[1069] | 29 | import de.ugoe.cs.autoquest.plugin.html.guimodel.HTMLDocumentSpec; |
---|
[1047] | 30 | import de.ugoe.cs.autoquest.plugin.html.guimodel.HTMLGUIElement; |
---|
| 31 | import de.ugoe.cs.autoquest.plugin.html.guimodel.HTMLGUIElementSpec; |
---|
[1059] | 32 | import de.ugoe.cs.autoquest.plugin.html.guimodel.HTMLPageElementSpec; |
---|
| 33 | import de.ugoe.cs.autoquest.plugin.html.guimodel.HTMLServerSpec; |
---|
[1047] | 34 | |
---|
| 35 | /** |
---|
| 36 | * <p> |
---|
| 37 | * This class provides the functionality to parse XML log files generated by the HTMLMonitor of |
---|
[1069] | 38 | * AutoQUEST. The result of parsing a file is a collection of event sequences and a GUI model |
---|
[1047] | 39 | * </p> |
---|
| 40 | * |
---|
[1069] | 41 | * @author Fabian Glaser, Patrick Harms |
---|
[1047] | 42 | * @version 1.0 |
---|
| 43 | * |
---|
| 44 | */ |
---|
[1069] | 45 | public class HTMLLogParser extends AbstractDefaultLogParser { |
---|
| 46 | |
---|
[1047] | 47 | /** |
---|
[1069] | 48 | * |
---|
[1047] | 49 | */ |
---|
[1069] | 50 | private Pattern htmlElementPattern = |
---|
| 51 | Pattern.compile("(\\w+)(\\[(\\d+)\\]|\\(htmlId=([\\w-]+)\\))"); |
---|
[1047] | 52 | |
---|
[1069] | 53 | /* (non-Javadoc) |
---|
| 54 | * @see de.ugoe.cs.autoquest.plugin.html.AbstractDefaultLogParser#handleGUIElement(java.lang.String, java.util.Map) |
---|
[1047] | 55 | */ |
---|
[1069] | 56 | @Override |
---|
| 57 | protected boolean handleGUIElement(String id, Map<String, String> parameters) |
---|
| 58 | throws SAXException |
---|
| 59 | { |
---|
| 60 | HTMLGUIElementSpec specification = null; |
---|
| 61 | |
---|
| 62 | String parentId = parameters.get("parent"); |
---|
| 63 | IGUIElement parent = super.getGUIElementTree().find(parentId); |
---|
[1059] | 64 | |
---|
[1069] | 65 | if (parameters.containsKey("host")) { |
---|
| 66 | // this is a server specification |
---|
| 67 | int port = 80; |
---|
| 68 | String portStr = parameters.get(port); |
---|
| 69 | |
---|
| 70 | if (portStr != null) { |
---|
| 71 | port = Integer.parseInt(portStr); |
---|
| 72 | } |
---|
| 73 | |
---|
| 74 | specification = new HTMLServerSpec(parameters.get("host"), port); |
---|
[1047] | 75 | } |
---|
[1069] | 76 | else if (parameters.containsKey("path")) { |
---|
| 77 | // this is a document specification |
---|
| 78 | |
---|
| 79 | if (parent != null) { |
---|
| 80 | if (!(parent.getSpecification() instanceof HTMLServerSpec)) { |
---|
| 81 | throw new SAXException |
---|
| 82 | ("invalid log: parent GUI element of a document is not of type server"); |
---|
[1059] | 83 | } |
---|
[1069] | 84 | |
---|
| 85 | specification = new HTMLDocumentSpec |
---|
| 86 | ((HTMLServerSpec) parent.getSpecification(), parameters.get("path"), |
---|
| 87 | parameters.get("query"), parameters.get("title")); |
---|
[1059] | 88 | } |
---|
[1069] | 89 | else if (parentId == null) { |
---|
| 90 | throw new SAXException("invalid log: a document has no parent id"); |
---|
[1059] | 91 | } |
---|
[1069] | 92 | } |
---|
| 93 | else if (parameters.containsKey("tagname")) { |
---|
| 94 | String tagName = parameters.get("tagname"); |
---|
| 95 | |
---|
| 96 | if (!tagNameMustBeConsidered(tagName)) { |
---|
| 97 | return true; |
---|
[1059] | 98 | } |
---|
[1047] | 99 | |
---|
[1069] | 100 | if (parent != null) { |
---|
| 101 | IGUIElement document = parent; |
---|
| 102 | |
---|
| 103 | while ((document != null) && |
---|
| 104 | (!(document.getSpecification() instanceof HTMLDocumentSpec))) |
---|
| 105 | { |
---|
| 106 | document = document.getParent(); |
---|
[1047] | 107 | } |
---|
[1069] | 108 | |
---|
| 109 | if (document == null) { |
---|
| 110 | throw new SAXException |
---|
| 111 | ("invalid log: parent hierarchy of a page element does not contain a " + |
---|
| 112 | "document"); |
---|
[1047] | 113 | } |
---|
[1069] | 114 | |
---|
| 115 | int index = -1; |
---|
| 116 | String indexStr = parameters.get("index"); |
---|
| 117 | |
---|
| 118 | if ((indexStr != null) && (!"".equals(indexStr))) { |
---|
| 119 | index = Integer.parseInt(indexStr); |
---|
[1047] | 120 | } |
---|
[1069] | 121 | |
---|
| 122 | specification = new HTMLPageElementSpec |
---|
| 123 | ((HTMLDocumentSpec) document.getSpecification(), tagName, |
---|
| 124 | parameters.get("htmlid"), index); |
---|
[1047] | 125 | } |
---|
[1069] | 126 | else if (parentId == null) { |
---|
| 127 | throw new SAXException("invalid log: a page element has no parent id"); |
---|
[1047] | 128 | } |
---|
| 129 | } |
---|
[1059] | 130 | else { |
---|
[1069] | 131 | throw new SAXException("invalid log: unknown GUI element"); |
---|
[1047] | 132 | } |
---|
| 133 | |
---|
[1069] | 134 | if (specification != null) { |
---|
| 135 | super.getGUIElementTree().add(id, parentId, specification); |
---|
| 136 | return true; |
---|
| 137 | } |
---|
| 138 | else { |
---|
| 139 | return false; |
---|
| 140 | } |
---|
[1047] | 141 | } |
---|
| 142 | |
---|
[1069] | 143 | /* (non-Javadoc) |
---|
| 144 | * @see de.ugoe.cs.autoquest.plugin.html.AbstractDefaultLogParser#handleEvent(java.lang.String, java.util.Map) |
---|
[1051] | 145 | */ |
---|
[1047] | 146 | @Override |
---|
[1069] | 147 | protected boolean handleEvent(String type, Map<String, String> parameters) throws SAXException { |
---|
| 148 | String targetId = parameters.get("target"); |
---|
| 149 | |
---|
| 150 | if (targetId == null) { |
---|
| 151 | String targetDocument = parameters.get("targetDocument"); |
---|
| 152 | String targetDOMPath = parameters.get("targetDOMPath"); |
---|
| 153 | |
---|
| 154 | if ((targetDocument == null) || (targetDOMPath == null)) { |
---|
| 155 | throw new SAXException("event has no target defined"); |
---|
[1047] | 156 | } |
---|
[1069] | 157 | |
---|
| 158 | targetId = determineTargetId(targetDocument, targetDOMPath); |
---|
| 159 | |
---|
| 160 | if (targetId == null) { |
---|
| 161 | // the target id can not be determined yet |
---|
| 162 | return false; |
---|
| 163 | } |
---|
[1047] | 164 | } |
---|
[1069] | 165 | |
---|
| 166 | IGUIElement target = super.getGUIElementTree().find(targetId); |
---|
| 167 | |
---|
| 168 | if (target == null) { |
---|
| 169 | // event not processable yet |
---|
| 170 | return false; |
---|
[1047] | 171 | } |
---|
[1059] | 172 | |
---|
[1069] | 173 | IEventType eventType = |
---|
| 174 | HTMLEventTypeFactory.getInstance().getEventType(type, parameters, target); |
---|
| 175 | |
---|
| 176 | Event event = new Event(eventType, target); |
---|
[1059] | 177 | |
---|
[1069] | 178 | String timestampStr = parameters.get("timestamp"); |
---|
| 179 | |
---|
| 180 | if (timestampStr != null) { |
---|
| 181 | event.setTimestamp(Long.parseLong(timestampStr)); |
---|
| 182 | } |
---|
[1059] | 183 | |
---|
[1069] | 184 | ((HTMLGUIElement) event.getTarget()).markUsed(); |
---|
| 185 | |
---|
| 186 | super.addToSequence(event); |
---|
[1059] | 187 | |
---|
[1069] | 188 | return true; |
---|
[1047] | 189 | } |
---|
[1059] | 190 | |
---|
[1047] | 191 | /** |
---|
| 192 | * <p> |
---|
[1069] | 193 | * TODO: comment |
---|
[1047] | 194 | * </p> |
---|
[1069] | 195 | * |
---|
| 196 | * @param targetDocument |
---|
| 197 | * @param targetDOMPath |
---|
[1047] | 198 | * @return |
---|
| 199 | */ |
---|
[1069] | 200 | private String determineTargetId(String targetDocument, String targetDOMPath) |
---|
| 201 | throws SAXException |
---|
| 202 | { |
---|
| 203 | IGUIElement document = super.getGUIElementTree().find(targetDocument); |
---|
| 204 | |
---|
| 205 | if (document == null) { |
---|
| 206 | return null; |
---|
| 207 | } |
---|
| 208 | |
---|
| 209 | if (!(document.getSpecification() instanceof HTMLDocumentSpec)) { |
---|
| 210 | throw new SAXException("an id that should refer to an HTML document refers to" + |
---|
| 211 | "something else"); |
---|
| 212 | } |
---|
| 213 | |
---|
| 214 | GUIModel model = super.getGUIElementTree().getGUIModel(); |
---|
| 215 | IGUIElement child = document; |
---|
| 216 | String[] pathElements = targetDOMPath.split("/"); |
---|
| 217 | int pathIndex = 0; |
---|
| 218 | |
---|
| 219 | HTMLPageElementSpec compareSpec; |
---|
| 220 | String tagName; |
---|
| 221 | int index; |
---|
| 222 | String htmlId; |
---|
| 223 | |
---|
| 224 | while ((pathIndex < pathElements.length) && (child != null)) { |
---|
| 225 | if ((pathElements[pathIndex] != null) && (!"".equals(pathElements[pathIndex]))) { |
---|
| 226 | Matcher matcher = htmlElementPattern.matcher(pathElements[pathIndex]); |
---|
| 227 | if (!matcher.matches()) { |
---|
| 228 | throw new SAXException |
---|
| 229 | ("could not parse target DOM path element " + pathElements[pathIndex]); |
---|
| 230 | } |
---|
| 231 | |
---|
| 232 | tagName = matcher.group(1); |
---|
| 233 | String indexStr = matcher.group(3); |
---|
| 234 | htmlId = matcher.group(4); |
---|
| 235 | |
---|
| 236 | index = -1; |
---|
| 237 | if ((indexStr != null) && (!"".equals(indexStr))) { |
---|
| 238 | index = Integer.parseInt(indexStr); |
---|
| 239 | } |
---|
| 240 | |
---|
| 241 | compareSpec = new HTMLPageElementSpec |
---|
| 242 | ((HTMLDocumentSpec) document.getSpecification(), tagName, htmlId, index); |
---|
| 243 | |
---|
| 244 | List<IGUIElement> children = model.getChildren(child); |
---|
| 245 | child = null; |
---|
| 246 | |
---|
| 247 | for (IGUIElement candidate : children) { |
---|
| 248 | if (compareSpec.getSimilarity(candidate.getSpecification())) { |
---|
| 249 | child = candidate; |
---|
| 250 | break; |
---|
| 251 | } |
---|
| 252 | } |
---|
| 253 | } |
---|
| 254 | |
---|
| 255 | pathIndex++; |
---|
| 256 | } |
---|
| 257 | |
---|
| 258 | if (child != null) { |
---|
| 259 | return super.getGUIElementTree().find(child); |
---|
| 260 | } |
---|
| 261 | else { |
---|
| 262 | return null; |
---|
| 263 | } |
---|
[1047] | 264 | } |
---|
[1059] | 265 | |
---|
[1047] | 266 | /** |
---|
| 267 | * <p> |
---|
[1069] | 268 | * checks if tags with the provided name must be handled in the GUI model. As an example, |
---|
| 269 | * it is not necessary to handle "head" tags and anything included in them. |
---|
[1047] | 270 | * </p> |
---|
[1069] | 271 | * |
---|
| 272 | * @param tagName |
---|
[1059] | 273 | * @return |
---|
| 274 | */ |
---|
[1069] | 275 | private boolean tagNameMustBeConsidered(String tagName) { |
---|
| 276 | return |
---|
| 277 | !"head".equals(tagName) && !"title".equals(tagName) && !"script".equals(tagName) && |
---|
| 278 | !"style".equals(tagName) && !"link".equals(tagName) && !"meta".equals(tagName) && |
---|
| 279 | !"iframe".equals(tagName) && !"input_hidden".equals(tagName) && |
---|
| 280 | !"option".equals(tagName) && !"tt".equals(tagName) && !"br".equals(tagName) && |
---|
| 281 | !"colgroup".equals(tagName) && !"col".equals(tagName); |
---|
[1059] | 282 | |
---|
[1069] | 283 | } |
---|
[1059] | 284 | |
---|
[1047] | 285 | } |
---|