* @param v mxCell where data are obtained.
*/
public static void addEdgeData(mxGraphMlEdge gmlEdge, mxCell v)
{
mxGraphMlData data = new mxGraphMlData();
mxGraphMlShapeEdge dataShapeEdge = new mxGraphMlShapeEdge();
data.setDataKey(mxGraphMlConstants.KEY_EDGE_ID);
dataShapeEdge.setText(v.getValue() != null ? v.getValue().toString()
: "");
dataShapeEdge.setStyle(v.getStyle() != null ? v.getStyle() : "");
data.setDataShapeEdge(dataShapeEdge);
gmlEdge.setEdgeData(data);
}