private void RegisterClientsWithFactory(ClientFactorySettings factorySettings)
{
RequestClientFactory.Instance.RegisterMediaTypeSerializer <JsonMediaTypeSerializer>();
RequestClientFactory.Instance.RegisterMediaTypeSerializer <JsonMediaTypeSerializer>(InternetMediaTypes.HalJson);
// Register each defined client within the configuration settings with the RequestClientFactory.
foreach (ClientSettings clientSettings in factorySettings.Clients)
{
IRequestSettings requestSettings = BuildRequestSettings(clientSettings);
RequestClientFactory.Instance.RegisterBaseAddress(clientSettings.BaseAddress, requestSettings);
}
}
// For each service API with a configured entry point, invoke the entry-point URL and cache
// the entry-point resource. The entry-point resource contains template URLs used to load
// initial resources after which links returned directly on resources are used for navigation.
// This is a common pattern providing an entry into an API.
private void LoadClientEntryPoints(ClientFactorySettings factorySettings)
{
HalEntryPointResource GetEntry(ClientSettings clientSettings)
{
var client = RequestClientFactory.Instance.GetClient(clientSettings.BaseAddress);
var request = ApiRequest.Get(clientSettings.EntryPointUrl);
var errorMsg = "Could not load entry resource at {EntryAddress} for base address {BaseAddress}";
HalEntryPointResource entryPoint = null;
try
{
var response = client.Send <HalEntryPointResource>(request).Result;
if (!response.IsSuccessStatusCode)
{
Context.Logger.LogError(LogEvents.EntryPoint, errorMsg,
clientSettings.EntryPointUrl,
clientSettings.BaseAddress);
}
entryPoint = response.Content;
}
catch (Exception ex)
{
Context.Logger.LogError(LogEvents.EntryPoint, ex, errorMsg,
clientSettings.EntryPointUrl,
clientSettings.BaseAddress);
}
return(entryPoint);
}
var clientsWithEntryPoints = factorySettings.Clients
.Where(c => !string.IsNullOrWhiteSpace(c.EntryPointUrl));
foreach (ClientSettings clientSettings in clientsWithEntryPoints)
{
_entryPointMappings[clientSettings.BaseAddress] = GetEntry(clientSettings);
}
}
// Create a mapping between a simple name to identify an endpoint and the base URL.
private void CreateAddressNameMapping(ClientFactorySettings factorySettings)
{
_addressNameMappings = factorySettings.Clients
.ToDictionary(c => c.ClientName, c => c.BaseAddress);
}
