1 | package de.ugoe.cs.quest.ui.swt;
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2 |
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3 | import java.io.ByteArrayOutputStream;
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4 | import java.io.PrintStream;
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5 | import java.io.UnsupportedEncodingException;
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6 | import java.util.logging.Level;
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7 |
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8 | import org.eclipse.swt.SWT;
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9 | import org.eclipse.swt.custom.StyleRange;
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10 | import org.eclipse.swt.custom.StyledText;
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11 | import org.eclipse.swt.widgets.MessageBox;
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12 |
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13 | import de.ugoe.cs.util.StringTools;
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14 | import de.ugoe.cs.util.console.Console;
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15 | import de.ugoe.cs.util.console.listener.ICommandListener;
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16 | import de.ugoe.cs.util.console.listener.IErrorListener;
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17 | import de.ugoe.cs.util.console.listener.IExceptionListener;
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18 | import de.ugoe.cs.util.console.listener.IOutputListener;
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19 | import de.ugoe.cs.util.console.listener.ITraceListener;
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20 |
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21 | public class SWTConsole implements IOutputListener, IErrorListener, ITraceListener,
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22 | ICommandListener, IExceptionListener
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23 | {
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24 |
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25 | private StyledText output;
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26 |
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27 | private Level traceLevel;
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28 |
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29 | public SWTConsole(StyledText styledText, Level traceLevel) {
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30 | Console.getInstance().registerOutputListener(this);
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31 | Console.getInstance().registerErrorListener(this);
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32 | Console.getInstance().registerTraceListener(this);
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33 | Console.getInstance().registerCommandListener(this);
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34 | Console.getInstance().registerExceptionListener(this);
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35 | this.output = styledText;
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36 | this.traceLevel = traceLevel;
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37 | }
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38 |
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39 | @Override
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40 | public void outputMsg(String newMessage) {
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41 | output.append(newMessage);
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42 | }
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43 |
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44 | @Override
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45 | public void errorMsg(String errMessage) {
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46 | appendColored("[ERROR] " + errMessage, SWT.COLOR_RED);
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47 | }
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48 |
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49 | @Override
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50 | public void traceMsg(String traceMessage, Level level) {
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51 | if( level.intValue()>=traceLevel.intValue()) {
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52 | int color = SWT.COLOR_BLUE;
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53 | if( level==Level.SEVERE ) {
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54 | color = SWT.COLOR_RED;
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55 | }
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56 | appendColored("[" + level.toString() + "] " + traceMessage, color);
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57 | }
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58 | }
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59 |
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60 | @Override
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61 | public void commandNotification(String command) {
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62 | output.append("> " + command + StringTools.ENDLINE);
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63 | }
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64 |
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65 | private void appendColored(String str, int id) {
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66 | StyleRange styleRange = new StyleRange();
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67 | styleRange.start = output.getText().length();
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68 | styleRange.length = str.length();
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69 | styleRange.foreground = output.getDisplay().getSystemColor(id);
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70 | output.append(str);
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71 | output.setStyleRange(styleRange);
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72 | }
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73 |
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74 | @Override
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75 | public void logException(Exception e) {
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76 | MessageBox messageBox = new MessageBox(output.getShell(), SWT.ERROR);
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77 | messageBox.setText("Error");
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78 | messageBox.setMessage(e.getMessage());
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79 | messageBox.open();
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80 |
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81 | ByteArrayOutputStream baos = new ByteArrayOutputStream();
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82 | PrintStream ps = new PrintStream(baos);
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83 | e.printStackTrace(ps);
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84 | String stackTrace = null;
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85 | try {
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86 | stackTrace = baos.toString("UTF-8");
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87 | }
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88 | catch (UnsupportedEncodingException e1) {
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89 | }
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90 | if( stackTrace!=null ) {
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91 | appendColored(stackTrace, SWT.COLOR_RED);
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92 | } else {
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93 | appendColored(e.getMessage(), SWT.COLOR_RED);
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94 | }
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95 |
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96 | }
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97 | }
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