public static void write(InMemoryGraph graph, PrintWriter out) {
IndentPrintWriter iout = new IndentPrintWriter(out);
iout.setIndentString("\t");
int indent = 0;
iout.println("graph [");
iout.println("directed\t" + (graph.isDirected() ? 1 : 0));
iout.setIndent(++indent);
// Print nodes and attributes
for (Node n : graph.getNodes()) {
iout.println("node [");
iout.setIndent(++indent);
iout.println("id\t" + n.hashCode());
iout.println("identifier\t" + '"' + n.getId() + '"');
printAttributes(iout, n);
iout.setIndent(--indent);
iout.println("]");
}
// Print edges and attributes
for (Edge e : graph.getEdges()) {
iout.println("edge [");
iout.setIndent(++indent);
String srcS = e.getSrc().getId();
String tgtS = e.getTgt().getId();
int src = srcS.hashCode();
int tgt = tgtS.hashCode();
iout.println("source\t" + src);
iout.println("target\t" + tgt);
iout.println("id\t" + e.getId().hashCode());
iout.println("identifier\t" + e.getId().hashCode());
printAttributes(iout, e);
iout.setIndent(--indent);
iout.println("]");
}
// Print network attributes
printAttributes(iout, graph);
iout.setIndent(--indent);
iout.println("]");
}