1 |
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2 | package de.ugoe.cs.quest.commands.usability;
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3 |
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4 | import java.security.InvalidParameterException;
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5 | import java.util.List;
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6 |
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7 | import de.ugoe.cs.quest.CommandHelpers;
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8 | import de.ugoe.cs.quest.tasktrees.treeifc.ITaskTree;
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9 | import de.ugoe.cs.quest.usability.UsabilityEvaluationManager;
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10 | import de.ugoe.cs.quest.usability.UsabilityEvaluationResult;
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11 | import de.ugoe.cs.util.console.Command;
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12 | import de.ugoe.cs.util.console.GlobalDataContainer;
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13 |
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14 | /**
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15 | * <p>
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16 | * This command performs a usability evaluation based on a task tree. It uses the
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17 | * {@link UsabilityEvaluationManager} for this purpose. Please consult the documentation of the
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18 | * usability evaluation manager for more details.
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19 | * </p>
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20 | *
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21 | * @author Patrick Harms
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22 | * @version 1.0
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23 | */
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24 | public class CMDevaluateUsability implements Command {
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25 |
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26 | /*
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27 | * (non-Javadoc)
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28 | *
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29 | * @see de.ugoe.cs.util.console.Command#help()
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30 | */
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31 | @Override
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32 | public String help() {
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33 | return "evaluateUsability <tasktree> {<evaluationResult>}";
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34 | }
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35 |
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36 | /*
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37 | * (non-Javadoc)
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38 | *
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39 | * @see de.ugoe.cs.util.console.Command#run(java.util.List)
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40 | */
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41 | @Override
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42 | public void run(List<Object> parameters) {
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43 | String tasktreeName;
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44 | String evaluationResult;
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45 | try {
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46 | tasktreeName = (String) parameters.get(0);
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47 | if (parameters.size() > 1) {
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48 | evaluationResult = (String) parameters.get(1);
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49 | }
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50 | else {
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51 | evaluationResult = "usabilityEvaluationResult";
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52 | }
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53 | }
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54 | catch (Exception e) {
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55 | throw new InvalidParameterException("must provide a task tree name");
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56 | }
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57 |
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58 | Object dataObject = GlobalDataContainer.getInstance().getData(tasktreeName);
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59 | if (dataObject == null) {
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60 | CommandHelpers.objectNotFoundMessage(tasktreeName);
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61 | return;
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62 | }
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63 | if (!(dataObject instanceof ITaskTree)) {
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64 | CommandHelpers.objectNotType(tasktreeName, "ITaskTree");
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65 | return;
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66 | }
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67 |
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68 | ITaskTree taskTree = (ITaskTree) dataObject;
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69 |
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70 | UsabilityEvaluationResult result =
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71 | new UsabilityEvaluationManager().evaluateUsability(taskTree);
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72 |
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73 | if (GlobalDataContainer.getInstance().addData(evaluationResult, result)) {
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74 | CommandHelpers.dataOverwritten(evaluationResult);
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75 | }
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76 |
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77 | }
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78 |
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79 | }
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