/**
* Write the data in a Graph to a GML OutputStream.
*
* @param gMLOutputStream the GML OutputStream to write the Graph data to
* @throws java.io.IOException thrown if there is an error generating the GML data
*/
public void outputGraph(final OutputStream gMLOutputStream) throws IOException {
// ISO 8859-1 as specified in the GML documentation
Writer writer =
new BufferedWriter(new OutputStreamWriter(gMLOutputStream, Charset.forName("ISO-8859-1")));
List<Vertex> verticies = new ArrayList<Vertex>();
List<Edge> edges = new ArrayList<Edge>();
populateLists(verticies, edges);
if (normalize) {
LexicographicalElementComparator comparator = new LexicographicalElementComparator();
Collections.sort(verticies, comparator);
Collections.sort(edges, comparator);
}
writeGraph(writer, verticies, edges);
writer.flush();
writer.close();
}
