private Element generatePortNode(Document doc, Port port) { Element portEl = doc.createElement(EL_PORT); portEl.setAttribute(ATR_NAME, port.getName()); portEl.setAttribute(ATR_TYPE, port.getType()); portEl.setAttribute(ATR_X, Integer.toString(port.getX())); portEl.setAttribute(ATR_Y, Integer.toString(port.getY())); portEl.setAttribute(ATR_PORT_CONNECTION, port.isArea() ? "area" : ""); portEl.setAttribute(ATR_STRICT, Boolean.toString(port.isStrict())); portEl.setAttribute(ATR_MULTI, Boolean.toString(port.isMulti())); return portEl; }