private string CreateXml(GraphML graphML)
{
var sb = new StringBuilder();
sb.AppendLine("<?xml version=\"1.0\" encoding=\"UTF-8\"?>");
sb.AppendLine(
"<graphml xmlns=\"http://graphml.graphdrawing.org/xmlns\" xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" xsi:schemaLocation=\"http://graphml.graphdrawing.org/xmlns http://graphml.graphdrawing.org/xmlns/1.0/graphml.xsd\">");
sb.AppendLine($"<graph id=\"{graphML.Id}\" edgedefault=\"directed\">");
foreach (GraphMLNode node in graphML.Nodes)
{
sb.AppendLine($"<node id=\"{node.Id}\"/>");
}
foreach (GraphMLEdge edge in graphML.Edges)
{
sb.AppendLine($"<edge source=\"{edge.Source}\" target=\"{edge.Target}\"/>");
}
sb.AppendLine("</graph>");
sb.AppendLine("</graphml>");
return(sb.ToString());
}
public ActionResult Index()
{
string xml;
FacebookApp app = new FacebookApp();
JsonObject me = (JsonObject)app.Get("me");
JsonObject friends = (JsonObject)app.Get("me/friends");
FacebookFriends facebookFriends = JsonConvert.DeserializeObject <FacebookFriends>(friends.ToString());
XmlSerializer serializer = new XmlSerializer(typeof(GraphML));
XmlSerializerNamespaces namespaces = new XmlSerializerNamespaces();
List <FacebookUser> users = new List <FacebookUser>();
GraphML graphML = new GraphML();
// Add Users
users.Add(JsonConvert.DeserializeObject <FacebookUser>(me.ToString()));
foreach (FacebookUser user in facebookFriends.Friends)
{
JsonObject friend = (JsonObject)app.Get(user.Id.ToString());
users.Add(JsonConvert.DeserializeObject <FacebookUser>(friend.ToString()));
}
// Prepare the keys
AddKeys(graphML.Keys);
// Add the Berico namspace
namespaces.Add("berico", "http://graph.bericotechnologies.com/xmlns");
foreach (FacebookUser user in users)
{
graphML.Graph.Nodes.Add(Mapper.Map <FacebookUser, Node>(user));
}
using (MemoryStream stream = new MemoryStream())
{
XmlDocument doc = new XmlDocument();
serializer.Serialize(stream, graphML, namespaces);
stream.Seek(0, SeekOrigin.Begin);
doc.Load(stream);
// Read the XML into a string object
xml = doc.OuterXml;
}
return(this.Content(xml, "txt/xml"));
}
