protected AbstractFlatBorder(Color darkShadow,
    Color highlight) 
{
		
			this.darkShadow = darkShadow;
			this.highlight = highlight;
}

 abstract protected int getBorderType(Component c)

 public  void paintBorder(Component c,
    Graphics g,
    int x,
    int y,
    int width,
    int height) 
{
			switch(getBorderType(c)) {
			case FLAT:
				break;
			case RAISED:
				paintFlatBorder(g, false, x, y, width, height,
								darkShadow, highlight);
				break;
			case LOWERED:
				paintFlatBorder(g, true, x, y, width, height,
								darkShadow, highlight);
				break;
			}
}

 protected  void paintFlatBorder(Graphics g,
    boolean isLowered,
    int x,
    int y,
    int w,
    int h,
    Color darkShadow,
    Color highlight) 
{
			Color oldColor = g.getColor();
			g.translate(x, y);
			if(isLowered) {
				g.setColor(darkShadow);
			} else {
				g.setColor(highlight);
			}
			g.drawLine(0, 0, 0, h-1);
			g.drawLine(1, 0, w-2, 0);
			if(isLowered) {
				g.setColor(highlight);
			} else {
				g.setColor(darkShadow);
			}
			g.drawLine(0, h-1, w-1, h-1);
			g.drawLine(w-1, h-1, w-1, 0);
			g.translate(-x, -y);
			g.setColor(oldColor);
}