// Checks consistency of returned data
private static bool checkData(JSONInfoData _data)
{
return(!String.IsNullOrEmpty(_data.Wm_version) &&
!String.IsNullOrEmpty(_data.Wurfl_api_version) &&
!String.IsNullOrEmpty(_data.Wurfl_info) &&
(_data.Static_caps != null || _data.Virtual_caps != null));
}
/// <summary>
/// Returns information about the running WM server and API.
/// Throws WmClientException in case any client related problem occurs.
/// </summary>
/// <returns></returns>
public JSONInfoData GetInfo()
{
JSONInfoData info = null;
HttpResponseMessage response = null;
try
{
response = c.GetAsync(createURL("/v2/getinfo/json")).Result;
if (response != null && response.IsSuccessStatusCode && response.Content != null)
{
info = response.Content.ReadAsAsync <JSONInfoData>().Result;
// check if caches must be cleaned
if (!checkData(info))
{
throw new WmException("Server returned empty data or a wrong json format");
}
ClearCachesIfNeeded(info.Ltime);
}
}
catch (Exception e)
{
throw new WmException("Error getting informations for WM server: " + e.Message, e);
}
finally
{
if (response != null)
{
response.Dispose();
}
}
return(info);
}
/// <summary>
/// Creates a WURFL microservice client and tests if server denoted by the given host and port is available for connection.
/// Throws WmClientException in case server is down or not available for connection
/// </summary>
/// <param name="host">WM server host</param>
/// <param name="port">WM server port</param>
/// <returns>A instance of the wurfl microservice client</returns>
public static WmClient Create(string scheme, string host, string port, string baseURI)
{
WmClient client = new WmClient();
client.Host = host;
client.Port = port;
if (scheme != null && scheme.Length > 0)
{
client.scheme = scheme;
}
else
{
client.scheme = "http";
}
client.baseURI = baseURI;
// retieves internal http client and performs an HEAD request
JSONInfoData data = null;
try
{
data = client.GetInfo();
client.ImportantHeaders = data.Important_headers;
client.StaticCaps = data.Static_caps;
client.VirtualCaps = data.Virtual_caps;
Array.Sort(client.StaticCaps);
Array.Sort(client.VirtualCaps);
}
catch (Exception e)
{
if (client != null)
{
client.DestroyConnection();
}
throw new WmException("Error creating WM CLIENT: " + e.Message, e);
}
return(client);
}
