[619] | 1 |
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[434] | 2 | package de.ugoe.cs.quest.plugin.mfc;
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[1] | 3 |
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| 4 | import java.io.IOException;
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| 5 | import java.security.InvalidParameterException;
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[619] | 6 | import java.util.ArrayList;
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[1] | 7 | import java.util.HashMap;
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| 8 | import java.util.Iterator;
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| 9 | import java.util.LinkedList;
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| 10 | import java.util.List;
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| 11 | import java.util.ListIterator;
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| 12 | import java.util.Map;
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| 13 | import java.util.NoSuchElementException;
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| 14 |
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| 15 | import org.jdom.Document;
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| 16 | import org.jdom.Element;
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| 17 | import org.jdom.JDOMException;
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| 18 | import org.jdom.Namespace;
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| 19 | import org.jdom.input.SAXBuilder;
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| 20 |
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[433] | 21 | import de.ugoe.cs.quest.eventcore.Event;
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[619] | 22 | import de.ugoe.cs.quest.eventcore.IEventType;
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| 23 | import de.ugoe.cs.quest.plugin.mfc.EventGenerationRule.Term;
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| 24 | import de.ugoe.cs.quest.plugin.mfc.eventcore.MFCEvent;
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| 25 | import de.ugoe.cs.quest.plugin.mfc.eventcore.MFCEventTypeFactory;
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| 26 | import de.ugoe.cs.quest.plugin.mfc.eventcore.ReplayWindowsMessage;
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[434] | 27 | import de.ugoe.cs.quest.plugin.mfc.eventcore.WindowsMessage;
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[619] | 28 | import de.ugoe.cs.quest.plugin.mfc.eventcore.WindowsMessageType;
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| 29 | import de.ugoe.cs.quest.plugin.mfc.guimodel.MFCGUIElement;
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| 30 | import de.ugoe.cs.quest.plugin.mfc.guimodel.WindowTree;
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[1] | 31 | import de.ugoe.cs.util.console.Console;
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| 32 |
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| 33 | /**
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| 34 | * <p>
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[619] | 35 | * Translates sequences of windows messages into {@link WindowsEvent}s that can be used by the
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| 36 | * EventBench core libraries.
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[1] | 37 | * </p>
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| 38 | *
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| 39 | * @author Steffen Herbold
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[171] | 40 | * @version 1.0
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[1] | 41 | */
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| 42 | public class EventGenerator {
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| 43 |
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[619] | 44 | /**
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| 45 | * <p>
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| 46 | * the list of all event generation rules available
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| 47 | * </p>
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| 48 | */
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| 49 | private List<EventGenerationRule> generationRules;
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| 50 |
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| 51 | /**
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| 52 | * <p>
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| 53 | * Name and path of the XML files containing the rules.
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| 54 | * </p>
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| 55 | */
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| 56 | private String rulesFile;
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[1] | 57 |
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[619] | 58 | /**
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| 59 | * <p>
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| 60 | * Iterator used for the current sequence.
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| 61 | * </p>
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| 62 | */
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| 63 | private ListIterator<WindowsMessage> sequenceIterator;
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[1] | 64 |
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[619] | 65 | /**
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| 66 | * <p>
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| 67 | * Token that is currently being generated.
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| 68 | * </p>
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| 69 | */
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| 70 | private MFCEvent currentEvent;
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[1] | 71 |
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[619] | 72 | /**
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| 73 | * <p>
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| 74 | * Event type of the current token. Stored as a member to be able to update it during the
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| 75 | * parsing of the idinfo tag.
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| 76 | * </p>
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| 77 | */
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| 78 | private IEventType currentType;
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[1] | 79 |
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[619] | 80 | /**
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| 81 | * <p>
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| 82 | *
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| 83 | * </p>
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| 84 | */
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| 85 | private MFCGUIElement currentTarget;
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[1] | 86 |
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[619] | 87 | /**
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| 88 | * <p>
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| 89 | * Reference to the ul:rules namespace.
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| 90 | * </p>
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| 91 | */
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| 92 | private static Namespace rulesNamespace;
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[1] | 93 |
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[619] | 94 | /**
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| 95 | * <p>
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| 96 | * The name of the rule that is currently being evaluated.
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| 97 | * </p>
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| 98 | */
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| 99 | private String currentRuleName;
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[1] | 100 |
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[619] | 101 | /**
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| 102 | * <p>
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| 103 | * Internal message storage. Used to implement the <code>{@literal <store>}</code> and
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| 104 | * <code>{@literal <storeSeq>}</code> tags.
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| 105 | * </p>
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| 106 | */
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| 107 | private Map<String, Object> messageStorage;
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[1] | 108 |
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[619] | 109 | /**
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| 110 | * <p>
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| 111 | * reference to the window tree created during parsing
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| 112 | * </p>
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| 113 | */
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| 114 | private WindowTree windowTree;
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[1] | 115 |
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[619] | 116 | /**
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| 117 | * <p>
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| 118 | * Creates a new EventGenerator. Sets "data/rules.xml" as default file for the rules.
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| 119 | * </p>
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| 120 | */
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| 121 | public EventGenerator(WindowTree windowTree) {
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| 122 | rulesFile = "data/rules.xml";
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| 123 | this.windowTree = windowTree;
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| 124 | }
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[1] | 125 |
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[619] | 126 | /**
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| 127 | * <p>
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| 128 | * Tries to match the rules to the given sequence to generate an {@link WindowsEvent}.
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| 129 | * </p>
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| 130 | * <p>
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| 131 | * The rules are matched the order, in which they are defined in the XML file. Therefore, the
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| 132 | * order of the rules in the file defines priorities, when multiple rules could be matched to
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| 133 | * the same sequence.
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| 134 | * </p>
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| 135 | *
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| 136 | * @param sequence
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| 137 | * sequence of message for which an event will be generated
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| 138 | * @return event that matches the messages; null, if no rule can be matched
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| 139 | */
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| 140 | public Event generateEvent(List<WindowsMessage> sequence) {
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| 141 | if (generationRules == null) {
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| 142 | parseGenerationRules();
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| 143 | }
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| 144 |
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| 145 |
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| 146 | /*System.out.println("generating event for ");
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| 147 | for (WindowsMessage msg : sequence) {
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| 148 | System.out.println(" " + msg + " " + msg.getParameter("scrollBarHandle") + " " + msg.getTargetXML());
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| 149 | }*/
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[1] | 150 |
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[619] | 151 | boolean isMatch = false;
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[1] | 152 |
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[619] | 153 | for (int ruleIndex = 0; ruleIndex < generationRules.size() && !isMatch; ruleIndex++) {
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| 154 | EventGenerationRule currentRule = generationRules.get(ruleIndex);
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| 155 | currentRuleName = currentRule.getName();
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| 156 |
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| 157 | //System.out.println("checking rule " + currentRuleName);
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| 158 |
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| 159 | messageStorage = new HashMap<String, Object>();
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| 160 | sequenceIterator = sequence.listIterator();
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| 161 |
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| 162 | isMatch = evaluateMessageConditions(currentRule);
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[1] | 163 |
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[619] | 164 | if (isMatch) {
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| 165 | currentType = MFCEventTypeFactory.getInstance().getEventType
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| 166 | (currentRuleName, resolveParameters(currentRule.getEventParameters()));
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| 167 |
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| 168 | currentEvent = new MFCEvent(currentType, currentTarget, windowTree.getGUIModel());
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| 169 |
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| 170 | for (EventGenerationRule.ReplayMessageSpec replayMessageSpec :
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| 171 | currentRule.getReplayMessageSpecifications())
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| 172 | {
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| 173 | if (replayMessageSpec.generateSingleMessage()) {
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| 174 | try {
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| 175 | generateReplayMessage(replayMessageSpec);
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| 176 | }
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| 177 | catch (InvalidParameterException e) {
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| 178 | Console.printerrln(e.getMessage());
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| 179 | // TODO currentToken.invalidateReplay();
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| 180 | }
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| 181 | }
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| 182 | else {
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| 183 | try {
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| 184 | generateReplaySequence(replayMessageSpec);
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| 185 | // TODO currentToken.invalidateReplay();
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| 186 | }
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| 187 | catch (InvalidParameterException e) {
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| 188 | Console.printerrln(e.getMessage());
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| 189 | // TODO currentToken.invalidateReplay();
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| 190 | }
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| 191 | }
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| 192 | }
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[1] | 193 |
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[619] | 194 | Console.traceln(currentEvent.getType().toString() + " matched");
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| 195 | }
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| 196 | else {
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| 197 | currentEvent = null;
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| 198 | }
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| 199 | }
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| 200 | if (!isMatch) {
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| 201 | Console.traceln("no match found for sequence: " + sequence.toString());
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| 202 | }
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| 203 |
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| 204 |
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| 205 | /*if (currentEvent != null && currentEvent.getReplayables() != null) {
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| 206 | System.out.println("replay messages are ");
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| 207 | for (de.ugoe.cs.quest.eventcore.IReplayable msg : currentEvent.getReplayables()) {
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| 208 | System.out.println(" " + msg + " " + msg.getReplay());
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| 209 | }
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| 210 | }
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[1] | 211 |
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[619] | 212 | System.out.println();*/
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[171] | 213 |
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| 214 |
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[619] | 215 | return currentEvent;
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| 216 | }
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[171] | 217 |
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[619] | 218 | // ////////////////////////////////////////////////////////////
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| 219 | // Helper functions for matching of events, i.e., msg-nodes //
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| 220 | // ////////////////////////////////////////////////////////////
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[171] | 221 |
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[619] | 222 | /**
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| 223 | * <p>
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| 224 | * TODO: comment
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| 225 | * </p>
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| 226 | *
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| 227 | * @param currentRule
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| 228 | */
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| 229 | private boolean evaluateMessageConditions(EventGenerationRule currentRule) {
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| 230 | boolean isMatch = true;
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| 231 | List<EventGenerationRule.MessageCondition> messageConditions =
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| 232 | currentRule.getMessageConditions();
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[171] | 233 |
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[619] | 234 | int i = 0;
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| 235 | while (isMatch && i < messageConditions.size()) {
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| 236 | EventGenerationRule.MessageCondition messageCondition = messageConditions.get(i);
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| 237 | if (messageCondition.matchMultiple()) {
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| 238 | EventGenerationRule.MessageCondition nextMessageCondition = null;
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| 239 | if (i + 1 < messageConditions.size()) {
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| 240 | nextMessageCondition = messageConditions.get(i + 1);
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| 241 | }
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| 242 | try {
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| 243 | isMatch = matchMultipleConditions(messageCondition, nextMessageCondition);
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| 244 | }
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| 245 | catch (InvalidParameterException e) {
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| 246 | Console.printerrln(e.getMessage());
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| 247 | }
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| 248 | }
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| 249 | else {
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| 250 | try {
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| 251 | isMatch = matchSingleMessage(messageCondition);
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| 252 | }
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| 253 | catch (InvalidParameterException e) {
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| 254 | Console.printerrln(e.getMessage());
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| 255 | }
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| 256 | }
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| 257 | i++;
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| 258 | }
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| 259 |
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| 260 | return isMatch;
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| 261 | }
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[1] | 262 |
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[619] | 263 | /**
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| 264 | * <p>
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| 265 | * Handles msg-nodes where multiple is not true, i.e., not a sequences.
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| 266 | * </p>
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| 267 | *
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| 268 | * @param messageElement
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| 269 | * {@link Element} representing the msg-node
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| 270 | * @return true, if a match is found; false otherwise
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| 271 | */
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| 272 | private boolean matchSingleMessage(EventGenerationRule.MessageCondition condition) {
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| 273 | boolean isMatch = false;
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| 274 | WindowsMessage currentMessage = null;
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[171] | 275 |
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[619] | 276 | WindowsMessageType type = condition.getMessageType();
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[171] | 277 |
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[619] | 278 | while (!isMatch && sequenceIterator.hasNext()) {
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| 279 | /*
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| 280 | * traverses the messages from the current position forward till a message with the
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| 281 | * correct type is found
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| 282 | */
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| 283 | currentMessage = sequenceIterator.next();
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| 284 | if (type == currentMessage.getType()) {
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| 285 | // message with the correct type found
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| 286 | // eval child nodes for further matching/storing
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| 287 | isMatch = evaluateMessageCondition(currentMessage, condition);
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[1] | 288 |
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[619] | 289 | // in case the message is a match, eval storage children
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| 290 | if (isMatch) {
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| 291 | handleStorage(condition, currentMessage);
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| 292 | currentTarget = currentMessage.getTarget();
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| 293 | // TODO currentToken.setTargetShort(currentMessage.getParentNames());
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| 294 | }
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| 295 | }
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| 296 | }
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[171] | 297 |
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[619] | 298 | return isMatch;
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| 299 | }
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[171] | 300 |
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[619] | 301 | /**
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| 302 | * <p>
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| 303 | * Handles msg-nodes where multiple is true, i.e., sequences. Requires knowledge about the next
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| 304 | * msg-node to determine the end of the sequence.
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| 305 | * </p>
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| 306 | *
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| 307 | * @param messageElement
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| 308 | * {@link Element} representing the msg-node
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| 309 | * @param nextMessageElement
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| 310 | * {@link Element} representing the next msg-node; {@code null} if the current node
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| 311 | * is the last one
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| 312 | * @return true, if a sequence is matched; false otherwise
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| 313 | */
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| 314 | private boolean matchMultipleConditions(EventGenerationRule.MessageCondition condition,
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| 315 | EventGenerationRule.MessageCondition nextCondition)
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| 316 | {
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| 317 | boolean isMatch = false;
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| 318 | boolean isCurrentMatch = false;
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| 319 | boolean nextMatchFound = false;
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| 320 | WindowsMessage currentMessage = null;
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| 321 | WindowsMessage nextMessage = null;
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[171] | 322 |
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[619] | 323 | WindowsMessageType type = condition.getMessageType();
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[171] | 324 |
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[619] | 325 | WindowsMessageType nextType = null;
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| 326 | if (nextCondition != null) {
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| 327 | nextType = nextCondition.getMessageType();
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| 328 | }
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[1] | 329 |
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[619] | 330 | while (!nextMatchFound && sequenceIterator.hasNext()) {
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| 331 | currentMessage = sequenceIterator.next();
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| 332 | if (type == currentMessage.getType()) {
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| 333 | isCurrentMatch = evaluateMessageCondition(currentMessage, condition);
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| 334 | isMatch = isMatch || isCurrentMatch;
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[1] | 335 |
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[619] | 336 | if (isCurrentMatch) {
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| 337 | handleStorage(condition, currentMessage);
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| 338 | currentTarget = currentMessage.getTarget();
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| 339 | // TODO currentToken.setTargetShort(currentMessage.getParentNames());
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| 340 | }
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| 341 | }
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| 342 | if (nextCondition != null && isMatch) {
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| 343 | // peek next message to check if the sequence ends and the next
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| 344 | // match is found
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| 345 | if (!sequenceIterator.hasNext()) {
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| 346 | return false; // sequence is over, but not all messages are
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| 347 | // found
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| 348 | }
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| 349 | nextMessage = sequenceIterator.next();
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| 350 | sequenceIterator.previous();
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[171] | 351 |
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[619] | 352 | if (nextType == nextMessage.getType()) {
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| 353 | nextMatchFound = evaluateMessageCondition(nextMessage, nextCondition);
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| 354 | }
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[171] | 355 |
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[619] | 356 | }
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| 357 | }
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[171] | 358 |
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[619] | 359 | return isMatch;
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| 360 | }
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[1] | 361 |
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[619] | 362 | /**
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| 363 | * <p>
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| 364 | * Handles equals-nodes.
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| 365 | * </p>
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| 366 | *
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| 367 | * @param currentMessage
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| 368 | * {@link Element} representing the msg-node the equals-node belongs to
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| 369 | * @param messageElement
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| 370 | * {@link Element} representing the equals-node to be evaluated
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| 371 | * @return true, if constraint is fulfilled; false otherwise
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| 372 | */
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| 373 | private boolean evaluateMessageCondition(WindowsMessage currentMessage,
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| 374 | EventGenerationRule.MessageCondition condition)
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| 375 | {
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| 376 | boolean isMatch = true;
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| 377 | for (int i = 0; isMatch && (i < condition.getAttributeConditions().size()); i++)
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| 378 | {
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| 379 | EventGenerationRule.AttributeCondition attrCond =
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| 380 | condition.getAttributeConditions().get(i);
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| 381 |
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| 382 | // the size 2 of termElements is guaranteed by the XML schema
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| 383 | Object value1 = getTermValue(currentMessage, attrCond.getLeftHandSide(), Object.class);
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| 384 | Object value2 = getTermValue(currentMessage, attrCond.getRightHandSide(), Object.class);
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| 385 | if (value1 == null || value2 == null) {
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| 386 | isMatch = false;
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| 387 | }
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| 388 | else {
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| 389 | isMatch = isMatch && value1.equals(value2);
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| 390 | }
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| 391 | }
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| 392 | // for (Element childElement : (List<Element>) messageElement.getChildren("equalsSeq",
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| 393 | // rulesNamespace))
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| 394 | // {
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| 395 | // List<Element> termElements = childElement.getChildren();
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| 396 | // List<String> values1 = getTermValueSeq(termElements.get(0));
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| 397 | // List<String> values2 = getTermValueSeq(termElements.get(0));
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| 398 | // if (values1 == null || values2 == null) {
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| 399 | // isMatch = false;
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| 400 | // }
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| 401 | // else {
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| 402 | // isMatch = isMatch && values1.equals(values2);
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| 403 | // }
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| 404 | // }
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| 405 | return isMatch;
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| 406 | }
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[1] | 407 |
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[619] | 408 | /**
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| 409 | * <p>
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| 410 | * Handles store-nodes and storeSeq-nodes.
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| 411 | * </p>
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| 412 | *
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| 413 | * @param messageElement
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| 414 | * {@link Element} representing the msg-node that is currently being evaluated
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| 415 | * @param currentMessage
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| 416 | * current message in the message sequence that is matched; this is the message that
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| 417 | * is stored
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| 418 | */
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| 419 | @SuppressWarnings("unchecked")
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| 420 | private void handleStorage(EventGenerationRule.MessageCondition messageCondition,
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| 421 | WindowsMessage currentMessage)
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| 422 | {
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| 423 | for (Term valueToStore : messageCondition.getMessagesToStore())
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| 424 | {
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| 425 | if (valueToStore.getMessageId() != null) {
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| 426 | ReplayWindowsMessage replayMessage = new ReplayWindowsMessage(currentMessage);
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| 427 | messageStorage.put(valueToStore.getMessageId(), replayMessage);
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| 428 | resolveHwnd(replayMessage, valueToStore.getResolveHandles());
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| 429 | }
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| 430 | else if (valueToStore.getSequenceId() != null) {
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| 431 | Object tmp = messageStorage.get(valueToStore.getSequenceId());
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| 432 | ReplayWindowsMessage replayMessage = new ReplayWindowsMessage(currentMessage);
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| 433 | List<ReplayWindowsMessage> storedSequence;
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| 434 | if (tmp == null || tmp instanceof ReplayWindowsMessage) {
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| 435 | storedSequence = new LinkedList<ReplayWindowsMessage>();
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| 436 | storedSequence.add(replayMessage);
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| 437 | messageStorage.put(valueToStore.getSequenceId(), storedSequence);
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| 438 | }
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| 439 | else if (tmp instanceof List<?>) {
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| 440 | storedSequence = (List<ReplayWindowsMessage>) tmp;
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| 441 | storedSequence.add(replayMessage);
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| 442 | messageStorage.put(valueToStore.getSequenceId(), storedSequence);
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| 443 | }
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| 444 | resolveHwnd(replayMessage, valueToStore.getResolveHandles());
|
---|
| 445 | }
|
---|
| 446 | }
|
---|
| 447 | }
|
---|
[171] | 448 |
|
---|
[619] | 449 | /**
|
---|
| 450 | * <p>
|
---|
| 451 | * Resolves a parameter that contains a HWND of a message to the target string of the HWND and
|
---|
| 452 | * stores it.
|
---|
| 453 | * </p>
|
---|
| 454 | *
|
---|
| 455 | * @param currentMessage
|
---|
| 456 | * message whose HWND is resolved
|
---|
| 457 | * @param list
|
---|
| 458 | * child element of the store node that represents the resolve
|
---|
| 459 | */
|
---|
| 460 | private void resolveHwnd(ReplayWindowsMessage currentMessage, List<Term> resolveHandles) {
|
---|
| 461 | if (resolveHandles != null) {
|
---|
| 462 | for (Term resolveElement : resolveHandles) {
|
---|
| 463 | String param = resolveElement.getMessageParameterName();
|
---|
| 464 | String storeParam = resolveElement.getStoreParameterName();
|
---|
| 465 | long paramHwnd = (Long) currentMessage.getParameter(param);
|
---|
| 466 | MFCGUIElement guiElement = windowTree.find(paramHwnd);
|
---|
| 467 | if (guiElement != null) {
|
---|
| 468 | currentMessage.addParameter(storeParam, "" + guiElement.toXML());
|
---|
| 469 | }
|
---|
| 470 | }
|
---|
| 471 | }
|
---|
| 472 | }
|
---|
[171] | 473 |
|
---|
[619] | 474 | // /////////////////////////////////////////////////////
|
---|
| 475 | // Helper functions for generating the replay, i.e.,
|
---|
| 476 | // parsing of genMsg und genMsgSeq-nodes
|
---|
| 477 | // /////////////////////////////////////////////////////
|
---|
[171] | 478 |
|
---|
[619] | 479 | /**
|
---|
| 480 | * <p>
|
---|
| 481 | * Handles genMsg-nodes and adds the replay to the {@link Event} that is generated.
|
---|
| 482 | * </p>
|
---|
| 483 | *
|
---|
| 484 | * @param genMsgElement
|
---|
| 485 | * {@link Element} representing the genMsg-node
|
---|
| 486 | */
|
---|
| 487 | private void generateReplayMessage(EventGenerationRule.ReplayMessageSpec messageSpec) {
|
---|
| 488 | ReplayWindowsMessage generatedMessage = null;
|
---|
| 489 | if (messageSpec.getReplayObjectId() != null) { // replay stored message without change
|
---|
| 490 | generatedMessage = getStoredMessageVariable(null, messageSpec.getReplayObjectId());
|
---|
| 491 | }
|
---|
| 492 | else { // generate message according to the rule
|
---|
| 493 | generatedMessage = new ReplayWindowsMessage
|
---|
| 494 | (getTermValue(messageSpec.getType(), WindowsMessageType.class));
|
---|
| 495 | generatedMessage.setTargetXML(getTermValue(messageSpec.getTarget(), String.class));
|
---|
[1] | 496 |
|
---|
[619] | 497 | if ((messageSpec.getLparamHiWord() != null) ||
|
---|
| 498 | (messageSpec.getLparamLoWord() != null))
|
---|
| 499 | {
|
---|
| 500 | generatedMessage.setLPARAM
|
---|
| 501 | (loHiWord(messageSpec.getLparamLoWord(), messageSpec.getLparamHiWord()));
|
---|
| 502 | }
|
---|
| 503 | else if (messageSpec.getLparam() != null) {
|
---|
| 504 | try {
|
---|
| 505 | generatedMessage.setLPARAM(getTermValue(messageSpec.getLparam(), Long.class));
|
---|
| 506 | }
|
---|
| 507 | catch (IllegalArgumentException e) {
|
---|
| 508 | generatedMessage.setLPARAMasWindowDesc
|
---|
| 509 | (getTermValue(messageSpec.getLparam(), String.class));
|
---|
| 510 | }
|
---|
| 511 | }
|
---|
[171] | 512 |
|
---|
[619] | 513 | if ((messageSpec.getWparamHiWord() != null) ||
|
---|
| 514 | (messageSpec.getWparamLoWord() != null))
|
---|
| 515 | {
|
---|
| 516 | generatedMessage.setWPARAM
|
---|
| 517 | (loHiWord(messageSpec.getWparamLoWord(), messageSpec.getWparamHiWord()));
|
---|
| 518 | }
|
---|
| 519 | else if (messageSpec.getWparam() != null) {
|
---|
| 520 | try {
|
---|
| 521 | generatedMessage.setWPARAM(getTermValue(messageSpec.getWparam(), Long.class));
|
---|
| 522 | }
|
---|
| 523 | catch (IllegalArgumentException e) {
|
---|
| 524 | generatedMessage.setWPARAMasWindowDesc
|
---|
| 525 | (getTermValue(messageSpec.getWparam(), String.class));
|
---|
| 526 | }
|
---|
| 527 | }
|
---|
| 528 |
|
---|
| 529 |
|
---|
| 530 | }
|
---|
[1] | 531 |
|
---|
[619] | 532 | generatedMessage.setDelay(messageSpec.getDelay());
|
---|
[1] | 533 |
|
---|
[619] | 534 | currentEvent.addReplayable(generatedMessage);
|
---|
| 535 | }
|
---|
[1] | 536 |
|
---|
[619] | 537 | /**
|
---|
| 538 | * Handles genMsgSeq-nodes and adds the replay to the {@link Event} that is generated.</p>
|
---|
| 539 | *
|
---|
| 540 | * @param genMsgElement
|
---|
| 541 | * {@link Element} representing the genMsgSeq-node.
|
---|
| 542 | */
|
---|
| 543 | private void generateReplaySequence(EventGenerationRule.ReplayMessageSpec messageSpec)
|
---|
| 544 | {
|
---|
| 545 | List<ReplayWindowsMessage> generatedMessageSeq = new LinkedList<ReplayWindowsMessage>();
|
---|
| 546 | if (messageSpec.getReplayObjectId() != null) { // replay stored sequence without changes
|
---|
| 547 | generatedMessageSeq = getStoredSeqVariable(messageSpec.getReplayObjectId());
|
---|
| 548 | }
|
---|
| 549 | else {
|
---|
| 550 | List<ReplayWindowsMessage> seqVar =
|
---|
| 551 | getStoredSeqVariable(messageSpec.getReplayObjectId());
|
---|
| 552 |
|
---|
| 553 | Term typeTerm = messageSpec.getType();
|
---|
| 554 | if (typeTerm.getSequenceId() != null) {
|
---|
| 555 | seqVar = getStoredSeqVariable(typeTerm.getSequenceId());
|
---|
| 556 | for (WindowsMessage msg : seqVar) {
|
---|
| 557 | ReplayWindowsMessage replayMessage = new ReplayWindowsMessage(msg.getType());
|
---|
| 558 | replayMessage.setDelay(messageSpec.getDelay());
|
---|
| 559 | generatedMessageSeq.add(replayMessage);
|
---|
| 560 | }
|
---|
| 561 | }
|
---|
| 562 | else { // constValue type
|
---|
| 563 | WindowsMessageType constMsgType = getTermValue(typeTerm, WindowsMessageType.class);
|
---|
| 564 | for (int i = 0; i < seqVar.size(); i++) {
|
---|
| 565 | ReplayWindowsMessage replayMessage = new ReplayWindowsMessage(constMsgType);
|
---|
| 566 | replayMessage.setDelay(messageSpec.getDelay());
|
---|
| 567 | generatedMessageSeq.add(replayMessage);
|
---|
| 568 | }
|
---|
| 569 | }
|
---|
[1] | 570 |
|
---|
[619] | 571 | createSequenceTarget(generatedMessageSeq, messageSpec);
|
---|
| 572 | createSequenceLParam(generatedMessageSeq, messageSpec);
|
---|
| 573 | createSequenceWParam(generatedMessageSeq, messageSpec);
|
---|
| 574 | }
|
---|
| 575 |
|
---|
| 576 | currentEvent.addReplayableSequence(generatedMessageSeq);
|
---|
| 577 | }
|
---|
[1] | 578 |
|
---|
[619] | 579 | /**
|
---|
| 580 | * <p>
|
---|
| 581 | * Creates the targets for replay sequences generated with genMsgSeq-nodes.
|
---|
| 582 | * </p>
|
---|
| 583 | *
|
---|
| 584 | * @param generatedMessageSeq
|
---|
| 585 | * list of the messages that is being generated
|
---|
| 586 | * @param msgsGenerated
|
---|
| 587 | * boolean stating if the list of messages is already generated or if the generation
|
---|
| 588 | * has to be handles by this method
|
---|
| 589 | * @param constMsgType
|
---|
| 590 | * a constant message type that is used for message generation, in case the list of
|
---|
| 591 | * message is generated by this method
|
---|
| 592 | * @param termElement
|
---|
| 593 | * {@link Element} representing the term-node describing the target
|
---|
| 594 | * @return true, if the list of message is generated after calling this method; false otherwise
|
---|
| 595 | * @throws NoSuchElementException
|
---|
| 596 | * thrown if the seqVar referred to in the termElement contains a different number
|
---|
| 597 | * of messages than is contained in messageSeq
|
---|
| 598 | */
|
---|
| 599 | private void createSequenceTarget(List<ReplayWindowsMessage> generatedMessageSeq,
|
---|
| 600 | EventGenerationRule.ReplayMessageSpec messageSpec)
|
---|
| 601 | throws NoSuchElementException
|
---|
| 602 | {
|
---|
| 603 | Iterator<ReplayWindowsMessage> seqIterator = generatedMessageSeq.iterator();
|
---|
| 604 | if (messageSpec.getTarget().getSequenceId() != null) {
|
---|
| 605 | List<ReplayWindowsMessage> seqVar =
|
---|
| 606 | getStoredSeqVariable(messageSpec.getTarget().getSequenceId());
|
---|
[171] | 607 |
|
---|
[619] | 608 | if (seqVar.size() != generatedMessageSeq.size()) {
|
---|
| 609 | throw new InvalidParameterException
|
---|
| 610 | ("Failure generating replay sequence for rule " + currentRuleName +
|
---|
| 611 | ": One or more of the sequence variables used to generate a sequence have " +
|
---|
| 612 | "different lenghts.");
|
---|
| 613 | }
|
---|
| 614 |
|
---|
| 615 | for (WindowsMessage msg : seqVar) {
|
---|
| 616 | seqIterator.next().setTarget(msg.getTarget());
|
---|
| 617 | }
|
---|
| 618 | }
|
---|
| 619 | else { // const value
|
---|
| 620 | throw new AssertionError("target must be a sequence variable!");
|
---|
| 621 | /*
|
---|
| 622 | * If target would not be a variable, the message-elements could not yet be created and
|
---|
| 623 | * the whole sequence might be broken. If this is to be changed, createSequenceLParam
|
---|
| 624 | * and createSequenceWParam need to be addepted, too.
|
---|
| 625 | */
|
---|
| 626 | }
|
---|
| 627 | }
|
---|
[1] | 628 |
|
---|
[619] | 629 | /**
|
---|
| 630 | * <p>
|
---|
| 631 | * Creates the LPARAMs for replay sequences generated with genMsgSeq-nodes.
|
---|
| 632 | * </p>
|
---|
| 633 | *
|
---|
| 634 | * @param generatedMessageSeq
|
---|
| 635 | * list of the messages that is being generated
|
---|
| 636 | * @param msgsGenerated
|
---|
| 637 | * boolean stating if the list of messages is already generated or if the generation
|
---|
| 638 | * has to be handles by this method
|
---|
| 639 | * @param constMsgType
|
---|
| 640 | * a constant message type that is used for message generation, in case the list of
|
---|
| 641 | * message is generated by this method
|
---|
| 642 | * @param termElement
|
---|
| 643 | * {@link Element} representing the term-node describing the LPARAM
|
---|
| 644 | * @return true, if the list of message is generated after calling this method; false otherwise
|
---|
| 645 | * @throws NoSuchElementException
|
---|
| 646 | * thrown if the seqVar referred to in the termElement contains a different number
|
---|
| 647 | * of messages than is contained in messageSeq
|
---|
| 648 | */
|
---|
| 649 | private void createSequenceLParam(List<ReplayWindowsMessage> generatedMessageSeq,
|
---|
| 650 | EventGenerationRule.ReplayMessageSpec messageSpec)
|
---|
| 651 | throws NoSuchElementException
|
---|
| 652 | {
|
---|
| 653 | Iterator<ReplayWindowsMessage> seqIterator = generatedMessageSeq.iterator();
|
---|
| 654 | if (messageSpec.getLparam().getSequenceId() != null) {
|
---|
| 655 | List<ReplayWindowsMessage> seqVar =
|
---|
| 656 | getStoredSeqVariable(messageSpec.getLparam().getSequenceId());
|
---|
| 657 |
|
---|
| 658 | if (seqVar.size() != generatedMessageSeq.size()) {
|
---|
| 659 | throw new InvalidParameterException
|
---|
| 660 | ("Failure generating replay sequence for rule " + currentRuleName +
|
---|
| 661 | ": One or more of the sequence variables used to generate a sequence have " +
|
---|
| 662 | "different lengths.");
|
---|
| 663 | }
|
---|
| 664 | for (WindowsMessage msg : seqVar) {
|
---|
| 665 | ReplayWindowsMessage currentSeqMsg = seqIterator.next();
|
---|
| 666 | Object paramValue =
|
---|
| 667 | msg.getParameter(messageSpec.getLparam().getSequenceParameterName());
|
---|
| 668 | if (paramValue instanceof Long) {
|
---|
| 669 | currentSeqMsg.setLPARAM((Long) paramValue);
|
---|
| 670 | }
|
---|
| 671 | else {
|
---|
| 672 | currentSeqMsg.setLPARAMasWindowDesc((String) paramValue);
|
---|
| 673 | }
|
---|
| 674 | }
|
---|
| 675 | }
|
---|
| 676 | else { // const value
|
---|
| 677 | int paramValue = getTermValue(messageSpec.getLparam(), int.class);
|
---|
| 678 | while (seqIterator.hasNext()) {
|
---|
| 679 | seqIterator.next().setLPARAM(paramValue);
|
---|
| 680 | }
|
---|
| 681 | }
|
---|
| 682 |
|
---|
| 683 | }
|
---|
| 684 |
|
---|
| 685 | /**
|
---|
| 686 | * <p>
|
---|
| 687 | * Creates the WPARAMs for replay sequences generated with genMsgSeq-nodes.
|
---|
| 688 | * </p>
|
---|
| 689 | *
|
---|
| 690 | * @param generatedMessageSeq
|
---|
| 691 | * list of the messages that is being generated
|
---|
| 692 | * @param msgsGenerated
|
---|
| 693 | * boolean stating if the list of messages is already generated or if the generation
|
---|
| 694 | * has to be handles by this method
|
---|
| 695 | * @param constMsgType
|
---|
| 696 | * a constant message type that is used for message generation, in case the list of
|
---|
| 697 | * message is generated by this method
|
---|
| 698 | * @param termElement
|
---|
| 699 | * {@link Element} representing the term-node describing the WPARAM
|
---|
| 700 | * @return true, if the list of message is generated after calling this method; false otherwise
|
---|
| 701 | * @throws NoSuchElementException
|
---|
| 702 | * thrown if the seqVar referred to in the termElement contains a different number
|
---|
| 703 | * of messages than is contained in messageSeq
|
---|
| 704 | */
|
---|
| 705 | private void createSequenceWParam(List<ReplayWindowsMessage> generatedMessageSeq,
|
---|
| 706 | EventGenerationRule.ReplayMessageSpec messageSpec)
|
---|
| 707 | throws NoSuchElementException
|
---|
| 708 | {
|
---|
| 709 | Iterator<ReplayWindowsMessage> seqIterator = generatedMessageSeq.iterator();
|
---|
| 710 | if (messageSpec.getWparam().getSequenceId() != null) {
|
---|
| 711 | List<ReplayWindowsMessage> seqVar =
|
---|
| 712 | getStoredSeqVariable(messageSpec.getWparam().getSequenceId());
|
---|
| 713 |
|
---|
| 714 | if (seqVar.size() != generatedMessageSeq.size()) {
|
---|
| 715 | throw new InvalidParameterException
|
---|
| 716 | ("Failure generating replay sequence for rule " + currentRuleName +
|
---|
| 717 | ": One or more of the sequence variables used to generate a sequence have " +
|
---|
| 718 | "different lengths.");
|
---|
| 719 | }
|
---|
| 720 | for (WindowsMessage msg : seqVar) {
|
---|
| 721 | ReplayWindowsMessage currentSeqMsg = seqIterator.next();
|
---|
| 722 | Object paramValue =
|
---|
| 723 | msg.getParameter(messageSpec.getWparam().getSequenceParameterName());
|
---|
| 724 | if (paramValue instanceof Long) {
|
---|
| 725 | currentSeqMsg.setWPARAM((Long) paramValue);
|
---|
| 726 | }
|
---|
| 727 | else {
|
---|
| 728 | currentSeqMsg.setWPARAMasWindowDesc((String) paramValue);
|
---|
| 729 | }
|
---|
| 730 | }
|
---|
| 731 | }
|
---|
| 732 | else { // const value
|
---|
| 733 | int paramValue = getTermValue(messageSpec.getWparam(), int.class);
|
---|
| 734 | while (seqIterator.hasNext()) {
|
---|
| 735 | seqIterator.next().setWPARAM(paramValue);
|
---|
| 736 | }
|
---|
| 737 | }
|
---|
| 738 | }
|
---|
| 739 |
|
---|
| 740 | // ////////////////////////////
|
---|
| 741 | // General helper functions //
|
---|
| 742 | // ////////////////////////////
|
---|
| 743 |
|
---|
| 744 | /**
|
---|
| 745 | * <p>
|
---|
| 746 | * TODO: comment
|
---|
| 747 | * </p>
|
---|
| 748 | *
|
---|
| 749 | * @param eventParameters
|
---|
| 750 | * @return
|
---|
| 751 | */
|
---|
| 752 | private Map<String, String> resolveParameters(List<Term> eventParameters) {
|
---|
| 753 | Map<String, String> resultParameters = null;
|
---|
| 754 |
|
---|
| 755 | if ((eventParameters != null) && (eventParameters.size() > 0)) {
|
---|
| 756 | resultParameters = new HashMap<String, String>();
|
---|
| 757 |
|
---|
| 758 | for (Term term : eventParameters) {
|
---|
| 759 | if ("seqValue".equals(term.getName())) {
|
---|
| 760 | List<String> values = getTermValueAsList(term, String.class);
|
---|
| 761 |
|
---|
| 762 | resultParameters.put
|
---|
| 763 | (term.getSequenceParameterName(), (String) values.get(values.size() - 1));
|
---|
| 764 | }
|
---|
| 765 | else {
|
---|
| 766 | resultParameters.put
|
---|
| 767 | (term.getMessageParameterName(), getTermValue(term, String.class));
|
---|
| 768 | }
|
---|
| 769 | }
|
---|
| 770 | }
|
---|
| 771 |
|
---|
| 772 | return resultParameters;
|
---|
| 773 | }
|
---|
| 774 |
|
---|
| 775 | /**
|
---|
| 776 | * <p>
|
---|
| 777 | * Retrieves a message from the storage for, e.g., comparison or replay. "this" is used to refer
|
---|
| 778 | * to the current message.
|
---|
| 779 | * </p>
|
---|
| 780 | *
|
---|
| 781 | * @param currentMessage
|
---|
| 782 | * current message during the parsing; passed to handle "this"
|
---|
| 783 | * @param obj
|
---|
| 784 | * object identifier in the storage
|
---|
| 785 | * @return message retrieved from the storage
|
---|
| 786 | * @throws InvalidParameterException
|
---|
| 787 | * thrown in case of invalid uses of "this" or if no message with the identifier obj
|
---|
| 788 | * is found in the storage
|
---|
| 789 | */
|
---|
| 790 | private ReplayWindowsMessage getStoredMessageVariable(WindowsMessage currentMessage, String obj)
|
---|
| 791 | throws InvalidParameterException
|
---|
| 792 | {
|
---|
| 793 | ReplayWindowsMessage varMessage = null;
|
---|
| 794 | if (obj.equals("this")) {
|
---|
| 795 | if (currentMessage == null) {
|
---|
| 796 | throw new InvalidParameterException("Failure obtaining term value for rule " +
|
---|
| 797 | currentRuleName +
|
---|
| 798 | ": \"this\" is not a valid name for generating runtime messages.");
|
---|
| 799 | }
|
---|
| 800 | varMessage = new ReplayWindowsMessage(currentMessage);
|
---|
| 801 | }
|
---|
| 802 | else {
|
---|
| 803 | Object tmp = messageStorage.get(obj);
|
---|
| 804 | if (tmp instanceof ReplayWindowsMessage) {
|
---|
| 805 | varMessage = (ReplayWindowsMessage) tmp;
|
---|
| 806 | }
|
---|
| 807 | else {
|
---|
| 808 | throw new InvalidParameterException("Failure obtaining term value for rule " +
|
---|
| 809 | currentRuleName + ": No message \"" + obj + "\" stored.");
|
---|
| 810 | }
|
---|
| 811 | }
|
---|
| 812 | return varMessage;
|
---|
| 813 | }
|
---|
| 814 |
|
---|
| 815 | /**
|
---|
| 816 | * <p>
|
---|
| 817 | * Retrieves a stored message sequence from the storage.
|
---|
| 818 | * </p>
|
---|
| 819 | *
|
---|
| 820 | * @param obj
|
---|
| 821 | * object identifier in the storage
|
---|
| 822 | * @return message sequence retrieved from the storage
|
---|
| 823 | * @throws IllegalArgumentException
|
---|
| 824 | * thrown if no message sequences with the identifier obj is found in the storage
|
---|
| 825 | */
|
---|
| 826 | @SuppressWarnings("unchecked")
|
---|
| 827 | private List<ReplayWindowsMessage> getStoredSeqVariable(String obj)
|
---|
| 828 | throws IllegalArgumentException
|
---|
| 829 | {
|
---|
| 830 | List<ReplayWindowsMessage> varMsgSeq = null;
|
---|
| 831 | Object tmp = messageStorage.get(obj);
|
---|
| 832 | if (tmp instanceof List<?>) {
|
---|
| 833 | varMsgSeq = (List<ReplayWindowsMessage>) tmp;
|
---|
| 834 | }
|
---|
| 835 | else {
|
---|
| 836 | throw new IllegalArgumentException("Failure obtaining term value for rule " +
|
---|
| 837 | currentRuleName + ": No sequence \"" + obj +
|
---|
| 838 | "\" store.");
|
---|
| 839 | }
|
---|
| 840 | return varMsgSeq;
|
---|
| 841 | }
|
---|
| 842 |
|
---|
| 843 | /**
|
---|
| 844 | * <p>
|
---|
| 845 | * convenience method for {@link #getTermValue(WindowsMessage, Term)} with current message is
|
---|
| 846 | * null.
|
---|
| 847 | * </p>
|
---|
| 848 | *
|
---|
| 849 | * @param termElement
|
---|
| 850 | * {@link Element} representing the term node
|
---|
| 851 | * @return value of the term or {@code null} of the term node could not be evaluated
|
---|
| 852 | */
|
---|
| 853 | private <T> T getTermValue(EventGenerationRule.Term term, Class<T> expectedType) {
|
---|
| 854 | return getTermValue(null, term, expectedType);
|
---|
| 855 | }
|
---|
| 856 |
|
---|
| 857 | /**
|
---|
| 858 | * <p>
|
---|
| 859 | * Handles term-nodes and returns the value of the described term.
|
---|
| 860 | * </p>
|
---|
| 861 | *
|
---|
| 862 | * @param currentMessage
|
---|
| 863 | * current message during the parsing; required to resolve references to "this" in a
|
---|
| 864 | * term
|
---|
| 865 | * @param termElement
|
---|
| 866 | * {@link Element} representing the term node
|
---|
| 867 | * @return value of the term or {@code null} of the term node could not be evaluated
|
---|
| 868 | */
|
---|
| 869 | private <T> T getTermValue(WindowsMessage currentMessage,
|
---|
| 870 | EventGenerationRule.Term term,
|
---|
| 871 | Class<T> expectedType)
|
---|
| 872 | {
|
---|
| 873 | T value = null;
|
---|
| 874 |
|
---|
| 875 | if ("constValue".equals(term.getName())) {
|
---|
| 876 | value = getValueAsType(term.getValue(), expectedType);
|
---|
| 877 | }
|
---|
| 878 | else if ("paramValue".equals(term.getName())) {
|
---|
| 879 | String objectName = term.getMessageId();
|
---|
| 880 | WindowsMessage varMessage = getStoredMessageVariable(currentMessage, objectName);
|
---|
| 881 | if (varMessage != null) {
|
---|
| 882 | String param = term.getMessageParameterName();
|
---|
| 883 | value = getValueAsType(varMessage.getParameter(param), expectedType);
|
---|
| 884 | }
|
---|
| 885 | }
|
---|
| 886 | else if ("winInfoValue".equals(term.getName())) {
|
---|
| 887 | String objectName = term.getMessageId();
|
---|
| 888 | WindowsMessage varMessage = getStoredMessageVariable(currentMessage, objectName);
|
---|
| 889 | if (varMessage != null) {
|
---|
| 890 | String paramString = term.getWindowParameterName();
|
---|
| 891 | if (paramString.equals("class")) {
|
---|
| 892 | value = getValueAsType
|
---|
| 893 | (((MFCGUIElement) varMessage.getTarget()).getType(), expectedType);
|
---|
| 894 | }
|
---|
| 895 | else if (paramString.equals("resourceId")) {
|
---|
| 896 | value = getValueAsType
|
---|
| 897 | (((MFCGUIElement) varMessage.getTarget()).getResourceId(), expectedType);
|
---|
| 898 | }
|
---|
| 899 | else if (paramString.equals("hwnd")) {
|
---|
| 900 | value = getValueAsType
|
---|
| 901 | (((MFCGUIElement) varMessage.getTarget()).getId(), expectedType);
|
---|
| 902 | }
|
---|
| 903 | else if (paramString.equals("parentTarget")) {
|
---|
| 904 | String target = varMessage.getTargetXML();
|
---|
| 905 | int index = target.lastIndexOf("<");
|
---|
| 906 | if (index == 0) {
|
---|
| 907 | Console.traceln("Trying to adress parent of top-level window! Replay " +
|
---|
| 908 | "probably invalid!");
|
---|
| 909 | }
|
---|
| 910 | value = getValueAsType(target.substring(0, index), expectedType);
|
---|
| 911 | }
|
---|
| 912 | else if (paramString.equals("parentClass")) {
|
---|
| 913 | value = getValueAsType
|
---|
| 914 | (((MFCGUIElement) varMessage.getTarget())
|
---|
| 915 | .getParent().getSpecification().getType(), expectedType);
|
---|
| 916 | }
|
---|
| 917 | }
|
---|
| 918 | }
|
---|
| 919 | else if ("msgInfoValue".equals(term.getName())) {
|
---|
| 920 | String objectName = term.getMessageId();
|
---|
| 921 | WindowsMessage varMessage = getStoredMessageVariable(currentMessage, objectName);
|
---|
| 922 | if (varMessage != null) {
|
---|
| 923 | String paramString = term.getMessageInfoName();
|
---|
| 924 | if (paramString.equals("type")) {
|
---|
| 925 | value = getValueAsType(varMessage.getType(), expectedType);
|
---|
| 926 | }
|
---|
| 927 | else if (paramString.equals("target")) {
|
---|
| 928 | value = getValueAsType(varMessage.getTargetXML(), expectedType);
|
---|
| 929 | }
|
---|
| 930 | }
|
---|
| 931 | }
|
---|
| 932 | else if ("msgInfoValue".equals(term.getName())) {
|
---|
| 933 | String objectName = term.getMessageId();
|
---|
| 934 | WindowsMessage varMessage = getStoredMessageVariable(currentMessage, objectName);
|
---|
| 935 | if (varMessage != null) {
|
---|
| 936 | String paramString = term.getMessageInfoName();
|
---|
| 937 | if (paramString.equals("type")) {
|
---|
| 938 | value = getValueAsType(varMessage.getType(), expectedType);
|
---|
| 939 | }
|
---|
| 940 | else if (paramString.equals("target")) {
|
---|
| 941 | value = getValueAsType(varMessage.getTargetXML(), expectedType);
|
---|
| 942 | }
|
---|
| 943 | }
|
---|
| 944 | }
|
---|
| 945 |
|
---|
| 946 | return value;
|
---|
| 947 | }
|
---|
| 948 |
|
---|
| 949 | /**
|
---|
| 950 | * <p>
|
---|
| 951 | * convenience method for {@link #getTermValueAsList(WindowsMessage, Term)} with current
|
---|
| 952 | * message is null.
|
---|
| 953 | * </p>
|
---|
| 954 | *
|
---|
| 955 | * @param termElement
|
---|
| 956 | * {@link Element} representing the term node
|
---|
| 957 | * @return value of the term or {@code null} of the term node could not be evaluated
|
---|
| 958 | */
|
---|
| 959 | private <T> List<T> getTermValueAsList(EventGenerationRule.Term term, Class<T> expectedType) {
|
---|
| 960 | return getTermValueAsList(null, term, expectedType);
|
---|
| 961 | }
|
---|
| 962 |
|
---|
| 963 | /**
|
---|
| 964 | * <p>
|
---|
| 965 | * Handles term-nodes and returns the value of the described term.
|
---|
| 966 | * </p>
|
---|
| 967 | *
|
---|
| 968 | * @param currentMessage
|
---|
| 969 | * current message during the parsing; required to resolve references to "this" in a
|
---|
| 970 | * term
|
---|
| 971 | * @param termElement
|
---|
| 972 | * {@link Element} representing the term node
|
---|
| 973 | * @return value of the term or {@code null} of the term node could not be evaluated
|
---|
| 974 | */
|
---|
| 975 | private <T> List<T> getTermValueAsList(WindowsMessage currentMessage,
|
---|
| 976 | EventGenerationRule.Term term,
|
---|
| 977 | Class<T> expectedElementType)
|
---|
| 978 | {
|
---|
| 979 | List<T> values = new ArrayList<T>();
|
---|
| 980 | if ("seqValue".equals(term.getName())) {
|
---|
| 981 | List<ReplayWindowsMessage> seqVar = getStoredSeqVariable(term.getSequenceId());
|
---|
| 982 | Object value;
|
---|
| 983 |
|
---|
| 984 | for (ReplayWindowsMessage msg : seqVar) {
|
---|
| 985 | // msg.getParameter returns null, if parameter is not found,
|
---|
| 986 | // therefore the List can contain null-values
|
---|
| 987 | value = msg.getParameter(term.getSequenceParameterName());
|
---|
| 988 | values.add(getValueAsType(value, expectedElementType));
|
---|
| 989 | }
|
---|
| 990 | }
|
---|
| 991 | else {
|
---|
| 992 | values.add(getTermValue(currentMessage, term, expectedElementType));
|
---|
| 993 | }
|
---|
| 994 |
|
---|
| 995 | return values;
|
---|
| 996 | }
|
---|
| 997 |
|
---|
| 998 | /**
|
---|
| 999 | * <p>
|
---|
| 1000 | * TODO: comment
|
---|
| 1001 | * </p>
|
---|
| 1002 | *
|
---|
| 1003 | * @param value
|
---|
| 1004 | * @param expectedType
|
---|
| 1005 | * @return
|
---|
| 1006 | */
|
---|
| 1007 | @SuppressWarnings("unchecked")
|
---|
| 1008 | private <T> T getValueAsType(Object value, Class<T> expectedType) {
|
---|
| 1009 | if (expectedType.isInstance(value)) {
|
---|
| 1010 | return (T) value;
|
---|
| 1011 | }
|
---|
| 1012 | else if (value instanceof String) {
|
---|
| 1013 | try {
|
---|
| 1014 | if (WindowsMessageType.class.equals(expectedType)) {
|
---|
| 1015 | return (T) WindowsMessageType.parseMessageType((String) value);
|
---|
| 1016 | }
|
---|
| 1017 | else if (Short.class.equals(expectedType)) {
|
---|
| 1018 | return (T) (Short) Short.parseShort((String) value);
|
---|
| 1019 | }
|
---|
| 1020 | }
|
---|
| 1021 | catch (Exception e) {
|
---|
| 1022 | // in this case, the value can not be transformed to the expected value. So ignore
|
---|
| 1023 | // the exception and fall through to the exception thrown anyway
|
---|
| 1024 | }
|
---|
| 1025 | }
|
---|
| 1026 | else if (value instanceof Long) {
|
---|
| 1027 | try {
|
---|
| 1028 | if (Short.class.equals(expectedType)) {
|
---|
| 1029 | return (T) (Short) ((Long) value).shortValue();
|
---|
| 1030 | }
|
---|
| 1031 | else if (String.class.equals(expectedType)) {
|
---|
| 1032 | return (T) ((Long) value).toString();
|
---|
| 1033 | }
|
---|
| 1034 | }
|
---|
| 1035 | catch (Exception e) {
|
---|
| 1036 | // in this case, the value can not be transformed to the expected value. So ignore
|
---|
| 1037 | // the exception and fall through to the exception thrown anyway
|
---|
| 1038 | }
|
---|
| 1039 | }
|
---|
| 1040 |
|
---|
| 1041 | throw new IllegalArgumentException("the term value is not of the expected type " +
|
---|
| 1042 | expectedType + " but a " +
|
---|
| 1043 | (value != null ? value.getClass() : "null"));
|
---|
| 1044 | }
|
---|
| 1045 |
|
---|
| 1046 | /**
|
---|
| 1047 | * <p>
|
---|
| 1048 | * Handles LOWORD and HIWORD child nodes of LPARAM and WPARAM nodes. The returned value is the
|
---|
| 1049 | * LPARAM/WPARAM value based on the LOWORD and HIWORD.
|
---|
| 1050 | * </p>
|
---|
| 1051 | *
|
---|
| 1052 | * @param param
|
---|
| 1053 | * {@link Element} representing the LPARAM/WPARAM node
|
---|
| 1054 | * @return value of the LPARAM/WPARAM
|
---|
| 1055 | */
|
---|
| 1056 | private long loHiWord(EventGenerationRule.Term lword, EventGenerationRule.Term hword) {
|
---|
| 1057 | return MAKEPARAM(getTermValue(lword, Short.class), getTermValue(hword, Short.class));
|
---|
| 1058 | }
|
---|
| 1059 |
|
---|
| 1060 | /**
|
---|
| 1061 | * <p>
|
---|
| 1062 | * Takes to short integers and combines them into the high and low order bits of an integer.
|
---|
| 1063 | * </p>
|
---|
| 1064 | *
|
---|
| 1065 | * @param loword
|
---|
| 1066 | * low word
|
---|
| 1067 | * @param hiword
|
---|
| 1068 | * high word
|
---|
| 1069 | * @return combined integer
|
---|
| 1070 | */
|
---|
| 1071 | private static int MAKEPARAM(short loword, short hiword) {
|
---|
| 1072 | return loword | ((int) hiword) << Short.SIZE;
|
---|
| 1073 | }
|
---|
| 1074 |
|
---|
| 1075 | /**
|
---|
| 1076 | * <p>
|
---|
| 1077 | * TODO: comment
|
---|
| 1078 | * </p>
|
---|
| 1079 | *
|
---|
| 1080 | */
|
---|
| 1081 | @SuppressWarnings("unchecked")
|
---|
| 1082 | private void parseGenerationRules() {
|
---|
| 1083 | SAXBuilder builder = new SAXBuilder();
|
---|
| 1084 | Document doc = null;
|
---|
| 1085 |
|
---|
| 1086 | try {
|
---|
| 1087 | doc = builder.build(rulesFile);
|
---|
| 1088 | rulesNamespace = Namespace.getNamespace("ul:rules");
|
---|
| 1089 | }
|
---|
| 1090 | catch (JDOMException e) {
|
---|
| 1091 | Console.printerrln("Invalid rules file.");
|
---|
| 1092 | e.printStackTrace();
|
---|
| 1093 | }
|
---|
| 1094 | catch (IOException e) {
|
---|
| 1095 | Console.printerrln("Invalid rules file.");
|
---|
| 1096 | e.printStackTrace();
|
---|
| 1097 | }
|
---|
| 1098 |
|
---|
| 1099 | Element rulesRoot = doc.getRootElement();
|
---|
| 1100 |
|
---|
| 1101 | List<Element> ruleElements = rulesRoot.getChildren("rule", rulesNamespace);
|
---|
| 1102 |
|
---|
| 1103 | generationRules = new ArrayList<EventGenerationRule>();
|
---|
| 1104 |
|
---|
| 1105 | for (Element ruleElement : ruleElements) {
|
---|
| 1106 | generationRules.add(new EventGenerationRule(ruleElement, rulesNamespace));
|
---|
| 1107 | }
|
---|
| 1108 | }
|
---|
| 1109 |
|
---|
[1] | 1110 | }
|
---|