	public void drawU(UGraphic ug) {
		ug = ug.apply(backColor.bg()).apply(borderColor);
		final URectangle rect = new URectangle(dim.getWidth(), dim.getHeight()).rounded(rounded);
		rect.setDeltaShadow(shadowing);
		ug.apply(stroke).draw(rect);

		final double yLine = titleHeight + attributeHeight;

		ug = ug.apply(imgBackcolor.bg());

		final double thickness = stroke.getThickness();

		final URectangle inner = new URectangle(dim.getWidth() - 4 * thickness,
				dim.getHeight() - titleHeight - 4 * thickness - attributeHeight).rounded(rounded);
		ug.apply(imgBackcolor).apply(new UTranslate(2 * thickness, yLine + 2 * thickness)).draw(inner);

		if (titleHeight > 0) {
			ug.apply(stroke).apply(UTranslate.dy(yLine)).draw(ULine.hline(dim.getWidth()));
		}

		if (attributeHeight > 0) {
			ug.apply(stroke).apply(UTranslate.dy(yLine - attributeHeight)).draw(ULine.hline(dim.getWidth()));
		}

	}
The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination.