/// <summary>
///
/// </summary>
/// <param name="formatters"></param>
/// <param name="mediaType"></param>
/// <param name="uri"></param>
public ServiceProviderRegistryClient(ISet <MediaTypeFormatter> formatters,
string mediaType,
string uri)
{
client = new OslcRestClient(formatters,
uri,
mediaType);
}
/// <summary>
/// Remove registration for a ServiceProvider.
/// </summary>
/// <param name="serviceProviderURI"></param>
public void DeregisterServiceProvider(Uri serviceProviderURI)
{
HttpResponseMessage clientResponse = new OslcRestClient(client.GetFormatters(), serviceProviderURI).RemoveOslcResourceReturnClientResponse();
HttpStatusCode statusCode = clientResponse.StatusCode;
if (statusCode != HttpStatusCode.OK)
{
throw new OslcCoreDeregistrationException(serviceProviderURI,
(int)statusCode,
clientResponse.ReasonPhrase);
}
}
/// <summary>
/// Register a ServiceProvider
/// </summary>
/// <param name="serviceProviderToRegister"></param>
/// <returns></returns>
public Uri registerServiceProvider(ServiceProvider serviceProviderToRegister)
{
Uri typeServiceProviderURI = new Uri(OslcConstants.TYPE_SERVICE_PROVIDER);
Uri oslcUsageDefault = new Uri(OslcConstants.OSLC_USAGE_DEFAULT);
ServiceProvider[] serviceProviders;
// We have to first get the ServiceProvider for ServiceProviders and then find the CreationFactory for a ServiceProvider
// We first try for a ServiceProviderCatalog
ServiceProviderCatalog serviceProviderCatalog = getServiceProviderCatalog();
if (serviceProviderCatalog != null)
{
serviceProviders = serviceProviderCatalog.GetServiceProviders();
}
else
{
// Secondly we try for a ServiceProvider which is acting as a ServiceProvider registry
ServiceProvider serviceProvider = GetServiceProvider();
if (serviceProvider != null)
{
serviceProviders = new ServiceProvider[] { serviceProvider };
}
else
{
throw new OslcCoreRegistrationException(serviceProviderToRegister,
(int)HttpStatusCode.NotFound,
"ServiceProviderCatalog");
}
}
if (serviceProviders != null)
{
CreationFactory firstCreationFactory = null;
CreationFactory firstDefaultCreationFactory = null;
for (int serviceProviderIndex = 0;
((serviceProviderIndex < serviceProviders.Length) &&
(firstDefaultCreationFactory == null));
serviceProviderIndex++)
{
ServiceProvider serviceProvider = serviceProviders[serviceProviderIndex];
Service[] services = serviceProvider.GetServices();
if (services != null)
{
for (int serviceIndex = 0;
((serviceIndex < services.Length) &&
(firstDefaultCreationFactory == null));
serviceIndex++)
{
Service service = services[serviceIndex];
CreationFactory[] creationFactories = service.GetCreationFactories();
if (creationFactories != null)
{
for (int creationFactoryIndex = 0;
((creationFactoryIndex < creationFactories.Length) &&
(firstDefaultCreationFactory == null));
creationFactoryIndex++)
{
CreationFactory creationFactory = creationFactories[creationFactoryIndex];
Uri[] resourceTypes = creationFactory.GetResourceTypes();
if (resourceTypes != null)
{
for (int resourceTypeIndex = 0;
((resourceTypeIndex < resourceTypes.Length) &&
(firstDefaultCreationFactory == null));
resourceTypeIndex++)
{
Uri resourceType = resourceTypes[resourceTypeIndex];
if (typeServiceProviderURI.Equals(resourceType))
{
if (firstCreationFactory == null)
{
firstCreationFactory = creationFactory;
}
Uri[] usages = creationFactory.GetUsages();
for (int usageIndex = 0;
((usageIndex < usages.Length) &&
(firstDefaultCreationFactory == null));
usageIndex++)
{
Uri usage = usages[usageIndex];
if (oslcUsageDefault.Equals(usage))
{
firstDefaultCreationFactory = creationFactory;
}
}
}
}
}
}
}
}
}
}
if (firstCreationFactory != null)
{
CreationFactory creationFactory = firstDefaultCreationFactory != null ? firstDefaultCreationFactory : firstCreationFactory;
Uri creation = creationFactory.GetCreation();
OslcRestClient oslcRestClient = new OslcRestClient(client.GetFormatters(),
creation);
HttpResponseMessage clientResponse = oslcRestClient.AddOslcResourceReturnClientResponse(serviceProviderToRegister);
HttpStatusCode statusCode = clientResponse.StatusCode;
if (statusCode != HttpStatusCode.Created)
{
throw new OslcCoreRegistrationException(serviceProviderToRegister,
(int)statusCode,
clientResponse.ReasonPhrase);
}
return(clientResponse.Headers.Location);
}
}
throw new OslcCoreRegistrationException(serviceProviderToRegister,
(int)HttpStatusCode.NotFound,
"CreationFactory");
}
/// <summary>
/// Return the registered ServiceProvider's.
/// </summary>
/// <returns></returns>
public ServiceProvider[] GetServiceProviders()
{
// We first try for a ServiceProviderCatalog
ServiceProviderCatalog serviceProviderCatalog = getServiceProviderCatalog();
if (serviceProviderCatalog != null)
{
return(serviceProviderCatalog.GetServiceProviders());
}
// Secondly we try for a ServiceProvider which is acting as a ServiceProvider registry
ServiceProvider serviceProvider = GetServiceProvider();
if (serviceProvider != null)
{
Service[] services = serviceProvider.GetServices();
if (services != null)
{
QueryCapability firstQueryCapability = null;
QueryCapability firstDefaultQueryCapability = null;
for (int serviceIndex = 0;
((serviceIndex < services.Length) &&
(firstDefaultQueryCapability == null));
serviceIndex++)
{
Service service = services[serviceIndex];
QueryCapability[] queryCapabilities = service.GetQueryCapabilities();
if (queryCapabilities != null)
{
for (int queryCapabilityIndex = 0;
((queryCapabilityIndex < queryCapabilities.Length) &&
(firstDefaultQueryCapability == null));
queryCapabilityIndex++)
{
QueryCapability queryCapability = queryCapabilities[queryCapabilityIndex];
Uri[] resourceTypes = queryCapability.GetResourceTypes();
if (resourceTypes != null)
{
for (int resourceTypeIndex = 0;
((resourceTypeIndex < resourceTypes.Length) &&
(firstDefaultQueryCapability == null));
resourceTypeIndex++)
{
Uri resourceType = resourceTypes[resourceTypeIndex];
if (OslcConstants.TYPE_SERVICE_PROVIDER.Equals(resourceType.ToString()))
{
if (firstQueryCapability == null)
{
firstQueryCapability = queryCapability;
}
Uri[] usages = queryCapability.GetUsages();
for (int usageIndex = 0;
((usageIndex < usages.Length) &&
(firstDefaultQueryCapability == null));
usageIndex++)
{
Uri usage = usages[usageIndex];
if (OslcConstants.OSLC_USAGE_DEFAULT.Equals(usage.ToString()))
{
firstDefaultQueryCapability = queryCapability;
}
}
}
}
}
}
}
}
if (firstQueryCapability != null)
{
QueryCapability queryCapability = firstDefaultQueryCapability != null ? firstDefaultQueryCapability : firstQueryCapability;
Uri queryBase = queryCapability.GetQueryBase();
// Foundation Registry Services requires the query string of oslc.select=* in order to flesh out the ServiceProviders
string query = queryBase.ToString() + "?oslc.select=*";
OslcRestClient oslcRestClient = new OslcRestClient(client.GetFormatters(),
query);
return(oslcRestClient.GetOslcResources <ServiceProvider>());
}
}
}
return(null);
}
