public void setBottomExtension(Extension arg0) {
this.bottomExtension = arg0;
bottomExtension.setPosition(centerX, getY());
if (bottomExtension.getWidth() == 0) {
bottomExtension.setWidth(width);
}
}
public void setTopExtension(Extension arg0) {
this.topExtension = arg0;
topExtension.setPosition(centerX, getY() + length);
if (topExtension.getWidth() == 0) {
topExtension.setWidth(width);
}
}