public IHashingServiceProvider GetProvider()
{
var hashingAlgorithmToUse = HashingAlgorithm.FromName(_configSettings.HashAlgorithm);
var instance =
_providers.Where(provider => hashingAlgorithmToUse == provider.HashingAlgorithm).FirstOrDefault();
if (instance == null)
{
throw new Exception(string.Format("Could not find implementation for the HashingAlgorithm {0}.",
hashingAlgorithmToUse));
}
return(instance);
}
public IHashingServiceProvider RegisterHashingProviderImplementer()
{
Type hashingServiceProviderType = typeof(IHashingServiceProvider);
IEnumerable <Type> hashingServiceProviderImplementers = AppDomain.CurrentDomain.GetAssemblies().SelectMany(s => s.GetTypes())
.Where(p => !p.IsAbstract && p.IsClass && hashingServiceProviderType.IsAssignableFrom(p));
HashingAlgorithm hashingAlgorithmToUse = HashingAlgorithm.FromName(_configSettings.HashAlgorithm);
IHashingServiceProvider instance = hashingServiceProviderImplementers
.Select(Activator.CreateInstance).OfType <IHashingServiceProvider>()
.Where(instanceOfType => hashingAlgorithmToUse == instanceOfType.HashingAlgorithm)
.FirstOrDefault();
if (instance == null)
{
throw new Exception(string.Format("Could not find implementation for the HashingAlgorithm {0}.", hashingAlgorithmToUse));
}
return(instance);
}
