1 | |
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2 | package de.ugoe.cs.autoquest.plugin.html; |
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3 | |
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4 | import java.io.File; |
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5 | import java.io.FileInputStream; |
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6 | import java.io.FileNotFoundException; |
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7 | import java.io.IOException; |
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8 | import java.io.InputStreamReader; |
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9 | import java.io.UnsupportedEncodingException; |
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10 | import java.util.Collection; |
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11 | import java.util.HashMap; |
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12 | import java.util.LinkedList; |
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13 | import java.util.List; |
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14 | import java.util.Map; |
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15 | |
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16 | import javax.xml.parsers.ParserConfigurationException; |
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17 | import javax.xml.parsers.SAXParser; |
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18 | import javax.xml.parsers.SAXParserFactory; |
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19 | |
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20 | import org.xml.sax.Attributes; |
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21 | import org.xml.sax.InputSource; |
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22 | import org.xml.sax.SAXException; |
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23 | import org.xml.sax.SAXParseException; |
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24 | import org.xml.sax.helpers.DefaultHandler; |
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25 | |
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26 | import de.ugoe.cs.autoquest.eventcore.Event; |
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27 | import de.ugoe.cs.autoquest.eventcore.guimodel.GUIElementTree; |
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28 | import de.ugoe.cs.autoquest.eventcore.guimodel.GUIModel; |
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29 | import de.ugoe.cs.autoquest.eventcore.guimodel.IGUIElement; |
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30 | import de.ugoe.cs.autoquest.plugin.html.eventcore.HTMLEventTypeFactory; |
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31 | import de.ugoe.cs.autoquest.plugin.html.guimodel.HTMLGUIElement; |
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32 | import de.ugoe.cs.autoquest.plugin.html.guimodel.HTMLGUIElementSpec; |
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33 | import de.ugoe.cs.util.console.Console; |
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34 | |
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35 | /** |
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36 | * <p> |
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37 | * This class provides the functionality to parse XML log files generated by the HTMLMonitor of |
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38 | * autoquest. The result of parsing a file is a collection of event sequences. |
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39 | * </p> |
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40 | * |
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41 | * @author Fabian Glaser |
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42 | * @version 1.0 |
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43 | * |
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44 | */ |
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45 | public class NewHTMLLogParser extends DefaultHandler { |
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46 | /** |
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47 | * <p> |
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48 | * Constructor. Creates a new HTMLLogParser. |
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49 | * </p> |
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50 | */ |
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51 | public NewHTMLLogParser() { |
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52 | sequences = new LinkedList<List<Event>>(); |
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53 | } |
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54 | |
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55 | /** |
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56 | * <p> |
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57 | * Collection of event sequences that is contained in the parsed log file. |
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58 | * </p> |
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59 | */ |
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60 | private Collection<List<Event>> sequences; |
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61 | |
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62 | /** |
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63 | * <p> |
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64 | * Internal handle to the parsed GUI structure, stored in a GUIElementTree |
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65 | * </p> |
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66 | */ |
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67 | private GUIElementTree<String> currentGUIElementTree; |
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68 | |
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69 | /** |
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70 | * <p> |
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71 | * Path of the GUI element currently being parsed. |
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72 | * </p> |
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73 | */ |
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74 | private String currentGUIElementPath; |
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75 | |
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76 | /** |
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77 | * <p> |
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78 | * Path of the parent of the GUI element currently being parsed. |
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79 | * </p> |
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80 | */ |
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81 | private String currentParentPath; |
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82 | |
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83 | /** |
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84 | * <p> |
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85 | * Source of the GUI element currently being parsed. |
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86 | * </p> |
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87 | */ |
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88 | private String currentEventSource; |
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89 | |
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90 | /** |
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91 | * <p> |
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92 | * Timestamp of the event currently being parsed. |
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93 | * </p> |
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94 | */ |
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95 | private Long currentEventTimestamp; |
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96 | |
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97 | /** |
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98 | * <p> |
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99 | * Internal handle to the parameters of the event currently being parsed. |
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100 | * </p> |
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101 | */ |
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102 | private Map<String, String> currentEventParameters; |
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103 | |
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104 | /** |
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105 | * <p> |
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106 | * Internal handle to the sequence currently being parsed. |
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107 | * </p> |
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108 | */ |
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109 | private List<Event> currentSequence; |
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110 | |
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111 | /** |
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112 | * <p> |
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113 | * Internal handle to type of the event currently being parsed. |
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114 | * </p> |
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115 | */ |
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116 | private String currentEventType; |
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117 | |
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118 | /** |
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119 | * <p> |
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120 | * Class of the GUI element currently being parsed. |
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121 | * </p> |
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122 | */ |
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123 | private String currentGUIElementClass; |
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124 | |
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125 | /** |
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126 | * <p> |
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127 | * Index of the GUI element currently being parsed. |
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128 | * </p> |
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129 | */ |
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130 | private String currentGUIElementIndex; |
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131 | |
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132 | /** |
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133 | * Internal handle to the specification of the GUI element currently being parsed. |
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134 | */ |
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135 | private HTMLGUIElementSpec currentGUIElementSpec; |
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136 | |
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137 | /** |
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138 | * <p> |
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139 | * internal handle to the GUI element of the previous event to be potentially reused for the |
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140 | * current |
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141 | * </p> |
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142 | */ |
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143 | private IGUIElement lastGUIElement; |
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144 | |
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145 | /** |
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146 | * <p> |
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147 | * Parses a log file written by the HTMLMonitor and creates a collection of event sequences. |
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148 | * </p> |
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149 | * |
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150 | * @param filename |
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151 | * name and path of the log file |
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152 | */ |
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153 | public void parseFile(String filename) { |
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154 | if (filename == null){ |
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155 | throw new IllegalArgumentException("filename must not be null"); |
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156 | } |
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157 | |
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158 | parseFile(new File(filename)); |
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159 | } |
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160 | /** |
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161 | * <p> |
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162 | * Parses a log file written by the HTMLMonitor and creates a collection of event sequences. |
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163 | * </p> |
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164 | * @param file |
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165 | * file to be parsed |
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166 | */ |
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167 | public void parseFile(File file) { |
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168 | if (file == null){ |
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169 | throw new IllegalArgumentException("file must not be null"); |
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170 | } |
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171 | SAXParserFactory spf = SAXParserFactory.newInstance(); |
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172 | spf.setValidating(true); |
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173 | SAXParser saxParser = null; |
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174 | InputSource inputSource = null; |
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175 | try{ |
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176 | saxParser = spf.newSAXParser(); |
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177 | inputSource = |
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178 | new InputSource(new InputStreamReader(new FileInputStream(file), "UTF-8")); |
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179 | } |
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180 | catch (UnsupportedEncodingException e){ |
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181 | Console.printerr("Error parsing file " + file.getName()); |
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182 | Console.logException(e); |
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183 | return; |
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184 | } |
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185 | catch (ParserConfigurationException e){ |
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186 | Console.printerr("Error parsing file " + file.getName()); |
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187 | Console.logException(e); |
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188 | return; |
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189 | } |
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190 | catch (SAXException e){ |
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191 | Console.printerr("Error parsing file " + file.getName()); |
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192 | Console.logException(e); |
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193 | } |
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194 | catch (FileNotFoundException e){ |
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195 | Console.printerr("Error parsing file " + file.getName()); |
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196 | Console.logException(e); |
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197 | } |
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198 | if (inputSource != null){ |
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199 | inputSource.setSystemId("file://" + file.getAbsolutePath()); |
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200 | try{ |
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201 | if (saxParser == null){ |
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202 | throw new RuntimeException("SaxParser creation failed"); |
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203 | } |
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204 | saxParser.parse(inputSource, this); |
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205 | } |
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206 | catch (SAXParseException e){ |
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207 | Console.printerrln("Failure parsing file in line " + e.getLineNumber() + |
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208 | ", column " + e.getColumnNumber() + "."); |
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209 | Console.logException(e); |
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210 | } |
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211 | catch (SAXException e){ |
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212 | Console.printerr("Error parsing file " + file.getName()); |
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213 | Console.logException(e); |
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214 | return; |
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215 | } |
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216 | catch (IOException e){ |
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217 | Console.printerr("Error parsing file " + file.getName()); |
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218 | Console.logException(e); |
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219 | return; |
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220 | } |
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221 | } |
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222 | } |
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223 | |
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224 | @Override |
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225 | public void startElement(String uri, String localName, String qName, Attributes atts) |
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226 | throws SAXException |
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227 | { |
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228 | if (qName.equals("session")) { |
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229 | currentSequence = new LinkedList<Event>(); |
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230 | if (currentGUIElementTree == null) |
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231 | currentGUIElementTree = new GUIElementTree<String>(); |
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232 | } |
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233 | else if (qName.equals("component")) { |
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234 | currentGUIElementPath = atts.getValue("path"); |
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235 | } |
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236 | else if (qName.equals("event")) { |
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237 | currentEventType = atts.getValue("type"); |
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238 | currentEventParameters = new HashMap<String, String>(); |
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239 | } |
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240 | else if (qName.equals("param")){ |
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241 | String paramName = atts.getValue("name"); |
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242 | if (currentGUIElementPath != null){ |
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243 | if ("parent".equals(paramName)){ |
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244 | currentParentPath = atts.getValue("value"); |
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245 | } |
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246 | if ("class".equals(paramName)){ |
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247 | currentGUIElementClass = atts.getValue("value"); |
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248 | } |
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249 | if ("index".equals(paramName)){ |
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250 | currentGUIElementIndex = atts.getValue("value"); |
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251 | } |
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252 | } |
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253 | else if (currentEventType != null){ |
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254 | if ("target".equals(paramName)){ |
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255 | currentEventSource = atts.getValue("value"); |
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256 | } |
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257 | if ("timestamp".equals(paramName)){ |
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258 | currentEventTimestamp = Long.parseLong(atts.getValue("value")); |
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259 | } |
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260 | currentEventParameters.put(paramName, atts.getValue("value")); |
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261 | } |
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262 | else{ |
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263 | throw new SAXException("param tag found where it should not be."); |
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264 | } |
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265 | } |
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266 | else{ |
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267 | throw new SAXException("unknown tag found: " + qName); |
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268 | } |
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269 | |
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270 | } |
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271 | |
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272 | @Override |
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273 | public void endElement(String uri, String localName, String qName) throws SAXException { |
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274 | if (qName.equals("session")) { |
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275 | if (currentSequence != null && !currentSequence.isEmpty()){ |
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276 | sequences.add(currentSequence); |
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277 | } |
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278 | currentSequence = null; |
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279 | } |
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280 | else if (qName.equals("component") && currentGUIElementPath != null) { |
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281 | HTMLGUIElementSpec guiElementSpec = new HTMLGUIElementSpec(currentGUIElementClass); |
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282 | currentGUIElementTree.add(currentGUIElementPath, currentParentPath, guiElementSpec); |
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283 | |
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284 | currentParentPath = null; |
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285 | currentGUIElementPath = null; |
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286 | } |
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287 | else if (qName.equals("event")) { |
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288 | IGUIElement currentGUIElement; |
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289 | currentGUIElement = currentGUIElementTree.find(currentEventSource); |
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290 | |
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291 | Event event = new Event(HTMLEventTypeFactory. |
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292 | getInstance().getEventType(currentEventType, currentEventParameters), |
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293 | (currentGUIElement == null ? lastGUIElement : currentGUIElement)); |
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294 | |
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295 | event.setTimestamp(currentEventTimestamp); |
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296 | HTMLGUIElement currentEventTarget = (HTMLGUIElement) event.getTarget(); |
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297 | currentEventTarget.markAsUsed(); |
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298 | currentSequence.add(event); |
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299 | |
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300 | currentEventSource = null; |
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301 | currentEventTimestamp = -1l; |
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302 | currentEventParameters = null; |
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303 | currentEventType = null; |
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304 | |
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305 | if (currentGUIElement != null){ |
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306 | lastGUIElement = currentGUIElement; |
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307 | } |
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308 | |
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309 | currentGUIElement = null; |
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310 | } |
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311 | } |
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312 | |
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313 | /** |
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314 | * <p> |
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315 | * Returns a collection of event sequences that was obtained from parsing log files. |
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316 | * </p> |
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317 | * @return |
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318 | */ |
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319 | public Collection<List<Event>> getSequences(){ |
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320 | return sequences; |
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321 | } |
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322 | |
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323 | /** |
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324 | * <p> |
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325 | * Returns the GUI model that is obtained from parsing log files. |
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326 | * </p> |
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327 | * |
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328 | * @return GUIModel |
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329 | */ |
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330 | public GUIModel getGuiModel(){ |
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331 | return currentGUIElementTree.getGUIModel(); |
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332 | } |
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333 | |
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334 | } |
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