protected void addOption(SplineCADToolContext context, String s) {
      SplineCADTool ctxt = context.getOwner();

      if (s.equals(PluginServices.getText(this, "cancel"))) {
        boolean loopbackFlag = context.getState().getName().equals(Spline.FirstPoint.getName());

        if (loopbackFlag == false) {
          (context.getState()).Exit(context);
        }

        context.clearState();
        try {
          ctxt.cancel();
        } finally {
          context.setState(Spline.FirstPoint);

          if (loopbackFlag == false) {
            (context.getState()).Entry(context);
          }
        }
      } else if (s.equals("")) {
        boolean loopbackFlag = context.getState().getName().equals(Spline.FirstPoint.getName());

        if (loopbackFlag == false) {
          (context.getState()).Exit(context);
        }

        context.clearState();
        try {
          ctxt.endGeometry();
        } finally {
          context.setState(Spline.FirstPoint);

          if (loopbackFlag == false) {
            (context.getState()).Entry(context);
          }
        }
      } else {
        boolean loopbackFlag = context.getState().getName().equals(Spline.FirstPoint.getName());

        if (loopbackFlag == false) {
          (context.getState()).Exit(context);
        }

        context.clearState();
        try {
          ctxt.throwOptionException(PluginServices.getText(this, "incorrect_option"), s);
        } finally {
          context.setState(Spline.FirstPoint);

          if (loopbackFlag == false) {
            (context.getState()).Entry(context);
          }
        }
      }

      return;
    }
  public SplineCADToolContext(SplineCADTool owner) {
    super();

    _owner = owner;
    setState(Spline.FirstPoint);
    Spline.FirstPoint.Entry(this);
  }
    protected void addValue(SplineCADToolContext context, double d) {
      SplineCADTool ctxt = context.getOwner();

      boolean loopbackFlag = context.getState().getName().equals(Spline.FirstPoint.getName());

      if (loopbackFlag == false) {
        (context.getState()).Exit(context);
      }

      context.clearState();
      try {
        ctxt.throwValueException(PluginServices.getText(this, "incorrect_value"), d);
      } finally {
        context.setState(Spline.FirstPoint);

        if (loopbackFlag == false) {
          (context.getState()).Entry(context);
        }
      }
      return;
    }
    protected void endPoint(
        SplineCADToolContext context, double pointX, double pointY, InputEvent event) {
      SplineCADTool ctxt = context.getOwner();

      boolean loopbackFlag = context.getState().getName().equals(Spline.FirstPoint.getName());

      if (loopbackFlag == false) {
        (context.getState()).Exit(context);
      }

      context.clearState();
      try {
        ctxt.addPoint(pointX, pointY, event);
        ctxt.endGeometry();
      } finally {
        context.setState(Spline.FirstPoint);

        if (loopbackFlag == false) {
          (context.getState()).Entry(context);
        }
      }
      return;
    }