1 | package de.ugoe.cs.quest.usability; |
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2 | |
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3 | import java.util.ArrayList; |
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4 | import java.util.List; |
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5 | import java.util.logging.Logger; |
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6 | |
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7 | import de.ugoe.cs.quest.tasktrees.treeifc.ITaskTree; |
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8 | |
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9 | /** |
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10 | * TODO comment |
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11 | * |
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12 | * @version $Revision: $ $Date: 16.07.2012$ |
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13 | * @author 2012, last modified by $Author: pharms$ |
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14 | */ |
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15 | public class UsabilityEvaluationManager { |
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16 | |
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17 | /** */ |
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18 | private static Logger LOG = Logger.getLogger(UsabilityEvaluationManager.class.getName()); |
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19 | |
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20 | /** */ |
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21 | private List<UsabilityEvaluationRule> rules = new ArrayList<UsabilityEvaluationRule>(); |
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22 | |
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23 | /** |
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24 | * TODO: comment |
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25 | * |
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26 | */ |
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27 | public UsabilityEvaluationManager() { |
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28 | super(); |
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29 | init(); |
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30 | } |
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31 | |
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32 | /** |
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33 | * TODO: comment |
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34 | * |
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35 | */ |
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36 | private void init() { |
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37 | rules.add(new TextInputStatisticsRule()); |
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38 | } |
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39 | |
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40 | /** |
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41 | * TODO: comment |
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42 | * |
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43 | * @param taskTree |
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44 | */ |
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45 | public UsabilityEvaluationResult evaluateUsability(ITaskTree taskTree) { |
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46 | LOG.info("evaluating usability of task tree " + taskTree); |
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47 | |
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48 | List<UsabilityEvaluationResult> results = new ArrayList<UsabilityEvaluationResult>(); |
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49 | |
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50 | for (UsabilityEvaluationRule rule : rules) { |
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51 | LOG.info("applying rule " + rule.getClass().getSimpleName()); |
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52 | UsabilityEvaluationResult result = rule.evaluate(taskTree); |
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53 | results.add(result); |
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54 | LOG.info("the rule found " + result.getAllDefects().size() + " usability defects, of " + |
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55 | "which " + result.getSevereDefects().size() + " are severe."); |
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56 | } |
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57 | |
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58 | UsabilityEvaluationResult result = mergeResults(results); |
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59 | LOG.info("the evaluation result contains " + result.getAllDefects().size() + |
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60 | " defects, of which " + result.getSevereDefects().size() + " are severe."); |
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61 | return result; |
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62 | } |
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63 | |
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64 | /** |
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65 | * TODO: comment |
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66 | * |
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67 | * @param results |
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68 | * @return |
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69 | */ |
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70 | private UsabilityEvaluationResult mergeResults(List<UsabilityEvaluationResult> results) { |
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71 | UsabilityEvaluationResult result = new UsabilityEvaluationResult(); |
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72 | |
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73 | for (UsabilityEvaluationResult ruleResult : results) { |
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74 | for (UsabilityDefect defect : ruleResult.getAllDefects()) { |
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75 | result.addDefect(defect); |
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76 | } |
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77 | } |
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78 | |
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79 | return result; |
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80 | } |
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81 | |
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82 | } |
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