/// <summary>
/// Searches WURFL device data using the given WURFL device id for detection.
/// Throws WmClientException in case any client related problem occurs.
/// </summary>
/// <param name="wurflID"></param>
/// <returns>device data detected using the given WURFL ID</returns>
public JSONDeviceData LookupDeviceID(string wurflID)
{
JSONDeviceData device = null;
// First, do a cache lookup
if (devIdCache != null)
{
device = devIdCache.GetEntry(wurflID);
if (device != null)
{
return(device);
}
}
// No device found in cache, let's try a server lookup
Request req = new Request();
req.Wurfl_id = wurflID;
device = internalLookup(req, "/v2/lookupdeviceid/json");
// check if cache must be cleared before adding device to it
ClearCachesIfNeeded(device.Ltime);
SafePutDevice(devIdCache, wurflID, device);
return(device);
}
/// <summary>
/// Searches WURFL device data using the given user-agent for detection.
/// Throws WmClientException in case any client related problem occurs.
/// </summary>
/// <param name="userAgent">
/// A user-agent string
/// </param>
/// <returns>device data detected using the given user agent</returns>
public JSONDeviceData LookupUserAgent(string userAgent)
{
JSONDeviceData device = null;
// First, do a cache lookup
if (uaCache != null)
{
device = uaCache.GetEntry(userAgent);
if (device != null)
{
// Console.WriteLine(device.Capabilities["device_id"]);
return(device);
}
}
// Cache does not contain device, try a server lookup
Request req = new Request();
addCapabilitiesToRequest(req);
req.Lookup_headers.Add(UserAgentHeaderName, userAgent);
HttpResponseMessage response = null;
try
{
response = c.PostAsJsonAsync <Request>(createURL("/v2/lookupuseragent/json"), req).Result;
if (response != null && response.IsSuccessStatusCode && response.Content != null)
{
device = response.Content.ReadAsAsync <JSONDeviceData>().Result;
// Check if cache must be cleared before adding to it
ClearCachesIfNeeded(device.Ltime);
SafePutDevice(uaCache, userAgent, device);
}
return(device);
}
catch (Exception e)
{
throw new WmException("Error retrieving device data: " + e.Message, e);
}
finally
{
if (response != null)
{
response.Dispose();
}
}
}
// Performs server lookup POSTs. It does not use cache, it must be done by caller methods.
private JSONDeviceData internalLookup(Request req, string routePath)
{
JSONDeviceData device = null;
addCapabilitiesToRequest(req);
HttpResponseMessage response = null;
try
{
response = c.PostAsJsonAsync <Request>(createURL(routePath), req).Result;
if (response != null && response.IsSuccessStatusCode && response.Content != null)
{
device = response.Content.ReadAsAsync <JSONDeviceData>().Result;
if (device.Error != null && device.Error.Length > 0)
{
throw new WmException("Received error from WM server: " + device.Error);
}
}
}
catch (Exception e)
{
if (e is WmException)
{
throw e;
}
throw new WmException("Error retrieving device data: " + e.Message, e);
}
finally
{
if (response != null)
{
response.Dispose();
}
}
return(device);
}
private void SafePutDevice(LRUCache <String, JSONDeviceData> cache, String key, JSONDeviceData device)
{
if (cache != null)
{
cache.PutEntry(key, device);
}
}
/// <summary>
/// Searches WURFL device data using the given header dictionary for detection.
/// Header names used as dictionary keys are treated as case insensitive so that
/// "user-Agent" and "User-Agent" are considered equal.
/// Throws WmClientException in case any client related problem occurs.
/// </summary>
/// <param name="headers"></param>
/// <returns>A JSONDeviceData object holding all the device detection information or the requested one in case one of the SetRequired*Capabilities method has been used on the client</returns>
/// <exception cref="WmException"></exception>
public JSONDeviceData LookupHeaders(IDictionary <String, String> headers)
{
JSONDeviceData device = null;
// Before we begin, let's handle lowercase key headers
IDictionary <string, string> lowercaseHeaders = ToLowercaseHeaders(headers);
Request req = new Request();
if (lowercaseHeaders != null)
{
for (int i = 0; i < ImportantHeaders.Length; i++)
{
String name = ImportantHeaders[i];
String lowerKey = name.ToLower();
if (lowercaseHeaders.ContainsKey(lowerKey))
{
String header = lowercaseHeaders[lowerKey];
if (header != null && !"".Equals(header))
{
req.Lookup_headers.Add(name, header);
}
}
}
}
// Device, not found in cache, let's try a server lookup
addCapabilitiesToRequest(req);
// First, do a cache lookup
var cacheKey = GetHeadersCacheKey(req.Lookup_headers);
if (uaCache != null)
{
device = uaCache.GetEntry(cacheKey);
if (device != null)
{
return(device);
}
}
HttpResponseMessage response = null;
try
{
response = c.PostAsJsonAsync <Request>(createURL("/v2/lookuprequest/json"), req).Result;
if (response != null && response.IsSuccessStatusCode && response.Content != null)
{
device = response.Content.ReadAsAsync <JSONDeviceData>().Result;
if (device.Error != null && device.Error.Length > 0)
{
throw new WmException("Received error from WM server: " + device.Error);
}
}
// Check if cache must be cleaned before adding device to cache
ClearCachesIfNeeded(device.Ltime);
SafePutDevice(uaCache, cacheKey, device);
return(device);
}
catch (Exception e)
{
if (e is WmException)
{
throw e;
}
throw new WmException("Error retrieving device data: " + e.Message, e);
}
finally
{
if (response != null)
{
response.Dispose();
}
}
}
public JSONDeviceData LookupRequest(HttpRequest request)
#endif
{
JSONDeviceData device = null;
// First, do a cache lookup
#if (NETCOREAPP3_1 || NET5_0)
var cacheKey = GetUserAgentCacheKey(request.Headers); // here it's a IHeaderDictionary
#else
var cacheKey = GetUserAgentCacheKey(request.Headers);
#endif
if (uaCache != null)
{
device = uaCache.GetEntry(cacheKey);
if (device != null)
{
return(device);
}
}
// Device, not found in cache, let's try a server lookup
Request req = new Request();
addCapabilitiesToRequest(req);
if (request.Headers != null)
{
for (int i = 0; i < ImportantHeaders.Length; i++)
{
String name = ImportantHeaders[i];
String header = request.Headers[name];
if (header != null && !"".Equals(header))
{
req.Lookup_headers.Add(name, header);
}
}
}
HttpResponseMessage response = null;
try
{
response = c.PostAsJsonAsync <Request>(createURL("/v2/lookuprequest/json"), req).Result;
if (response != null && response.IsSuccessStatusCode && response.Content != null)
{
device = response.Content.ReadAsAsync <JSONDeviceData>().Result;
if (device.Error != null && device.Error.Length > 0)
{
throw new WmException("Received error from WM server: " + device.Error);
}
}
// Check if cache must be cleaned before adding device to cache
ClearCachesIfNeeded(device.Ltime);
SafePutDevice(uaCache, cacheKey, device);
return(device);
}
catch (Exception e)
{
if (e is WmException)
{
throw e;
}
throw new WmException("Error retrieving device data: " + e.Message, e);
}
finally
{
if (response != null)
{
response.Dispose();
}
}
}
