Simple graph visualization using graphstream library.

PlainGraph.java

package visualization;

import org.graphstream.graph.Graph;
import org.graphstream.graph.Node;
import org.graphstream.graph.implementations.SingleGraph;

import java.util.Iterator;

public class PlainGraph {
    public static void main(String args[]) {
        new PlainGraph();
    }

    public PlainGraph() {
        Graph graph = new SingleGraph("tutorial 1");

        graph.addAttribute("ui.stylesheet", styleSheet);
        graph.setAutoCreate(true);
        graph.setStrict(false);
        graph.display();

        /* TODO: read file instead of hard code it. */
        graph.addEdge("1", "144.232.3.125", "144.232.3.124");
        graph.addEdge("2", "144.232.3.125", "144.232.9.151");
        graph.addEdge("3", "144.232.3.125", "144.232.20.221");
        graph.addEdge("4", "144.232.3.124", "144.232.1.149");

        for (Node node : graph) {
            node.addAttribute("ui.label", node.getId());
        }

        explore(graph.getNode("144.232.3.125"));
    }

    public void explore(Node source) {
        Iterator<? extends Node> k = source.getBreadthFirstIterator();

        /* Breadth first showup? */

        while (k.hasNext()) {
            Node next = k.next();
            next.setAttribute("ui.class", "marked");
            sleep();
        }
    }

    protected void sleep() {
        try {
            Thread.sleep(1000);
        } catch (Exception e) {
        }
    }

    protected String styleSheet =
            "node {" +
                    "   fill-color: black;" +
                    "}" +
                    "node.marked {" +
                    "   fill-color: red;" +
                    "}";
}