/// <summary>
/// Discovers the Knowledge Bases on a Server asynchronously
/// </summary>
/// <param name="callback">Callback to invoke when the operation completes</param>
/// <param name="state"></param>
private void Discover(PelletServerReadyCallback callback, Object state)
{
//Make the request to the Server Root URL to get the JSON description of the server
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(this._serverUri);
request.Method = "GET";
request.Accept = ServerDescriptionFormat;
Tools.HttpDebugRequest(request);
//Get the response and parse the JSON
String jsonText;
JObject json;
request.BeginGetResponse(result =>
{
HttpWebResponse response = (HttpWebResponse)request.EndGetResponse(result);
Tools.HttpDebugResponse(response);
//Get and parse the JSON
jsonText = new StreamReader(response.GetResponseStream()).ReadToEnd();
json = JObject.Parse(jsonText);
response.Close();
JToken kbs = json.SelectToken("knowledge-bases");
foreach (JToken kb in kbs.Children())
{
this._kbs.Add(new KnowledgeBase(kb));
}
callback(this, state);
}, null);
}
/// <summary>
/// Creates a new connection to a Pellet Server
/// </summary>
/// <param name="serverUri">Server URI</param>
/// <param name="callback">Callback to invoke when the connection is ready</param>
/// <param name="state">State to pass to the callback</param>
private PelletServer(Uri serverUri, PelletServerReadyCallback callback, Object state)
{
if (serverUri == null)
{
throw new ArgumentNullException("serverUri", "A Server URI must be specified in order to connect to a Pellet Server");
}
this._serverUri = serverUri.AbsoluteUri;
if (!this._serverUri.EndsWith("/"))
{
this._serverUri += "/";
}
this.Discover(callback, state);
}
/// <summary>
/// Creates a new connection to a Pellet Server
/// </summary>
/// <param name="serverUri">Server URI</param>
/// <param name="callback">Callback to invoke when the connection is ready</param>
/// <param name="state">State to pass to the callback</param>
private PelletServer(String serverUri, PelletServerReadyCallback callback, Object state)
{
if (serverUri == null)
{
throw new ArgumentNullException("serverUri", "A Server URI must be specified in order to connect to a Pellet Server");
}
if (serverUri.Equals(String.Empty))
{
throw new ArgumentException("Server URI cannot be the empty string", "serverUri");
}
this._serverUri = serverUri;
if (!this._serverUri.EndsWith("/"))
{
this._serverUri += "/";
}
this.Discover(callback, state);
}
/// <summary>
/// Connects to a Pellet Server instance asynchronously invoking the callback when the connection is ready
/// </summary>
/// <param name="serverUri">Server URI</param>
/// <param name="callback">Callback to invoke when the connection is ready</param>
/// <param name="state">State to pass to the callback</param>
public static void Connect(Uri serverUri, PelletServerReadyCallback callback, Object state)
{
new PelletServer(serverUri, callback, state);
}
/// <summary>
/// Connects to a Pellet Server instance asynchronously invoking the callback when the connection is ready
/// </summary>
/// <param name="serverUri">Server URI</param>
/// <param name="callback">Callback to invoke when the connection is ready</param>
/// <param name="state">State to pass to the callback</param>
public static void Connect(Uri serverUri, PelletServerReadyCallback callback, Object state)
{
new PelletServer(serverUri, callback, state);
}
/// <summary>
/// Discovers the Knowledge Bases on a Server asynchronously
/// </summary>
/// <param name="callback">Callback to invoke when the operation completes</param>
/// <param name="state"></param>
private void Discover(PelletServerReadyCallback callback, Object state)
{
//Make the request to the Server Root URL to get the JSON description of the server
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(this._serverUri);
request.Method = "GET";
request.Accept = ServerDescriptionFormat;
#if DEBUG
if (Options.HttpDebugging)
{
Tools.HttpDebugRequest(request);
}
#endif
//Get the response and parse the JSON
String jsonText;
JObject json;
request.BeginGetResponse(result =>
{
HttpWebResponse response = (HttpWebResponse)request.EndGetResponse(result);
#if DEBUG
if (Options.HttpDebugging)
{
Tools.HttpDebugResponse(response);
}
#endif
//Get and parse the JSON
jsonText = new StreamReader(response.GetResponseStream()).ReadToEnd();
json = JObject.Parse(jsonText);
response.Close();
JToken kbs = json.SelectToken("knowledge-bases");
foreach (JToken kb in kbs.Children())
{
this._kbs.Add(new KnowledgeBase(kb));
}
callback(this, state);
}, null);
}
/// <summary>
/// Creates a new connection to a Pellet Server
/// </summary>
/// <param name="serverUri">Server URI</param>
/// <param name="callback">Callback to invoke when the connection is ready</param>
/// <param name="state">State to pass to the callback</param>
private PelletServer(String serverUri, PelletServerReadyCallback callback, Object state)
{
if (serverUri == null) throw new ArgumentNullException("serverUri", "A Server URI must be specified in order to connect to a Pellet Server");
if (serverUri.Equals(String.Empty)) throw new ArgumentException("Server URI cannot be the empty string", "serverUri");
this._serverUri = serverUri;
if (!this._serverUri.EndsWith("/")) this._serverUri += "/";
this.Discover(callback, state);
}
/// <summary>
/// Creates a new connection to a Pellet Server
/// </summary>
/// <param name="serverUri">Server URI</param>
/// <param name="callback">Callback to invoke when the connection is ready</param>
/// <param name="state">State to pass to the callback</param>
private PelletServer(Uri serverUri, PelletServerReadyCallback callback, Object state)
{
if (serverUri == null) throw new ArgumentNullException("serverUri", "A Server URI must be specified in order to connect to a Pellet Server");
this._serverUri = serverUri.ToString();
if (!this._serverUri.EndsWith("/")) this._serverUri += "/";
this.Discover(callback, state);
}
