public IEmailProvider GetProvider(EmailMessage email)
{
IEmailProvider retVal = null;
EmailConnection connection = email.GetConnection();
if (connection != null)
{
if (this.Providers.ContainsKey(connection.Name))
{
//get cached data command provider
retVal = this.Providers[connection.Name];
}
else
{
EmailConnectionType connectionType = connection.GetConnectionType();
if (connectionType != null)
{
string assemblyName = connectionType.Assembly;
string className = connectionType.Class;
if (!String.IsNullOrEmpty(assemblyName) && !String.IsNullOrEmpty(className))
{
try
{
Assembly providerAssembly = Assembly.Load(assemblyName);
if (providerAssembly != null)
{
Type type = providerAssembly.GetType(className, true, true);
if (type != null)
{
ConstructorInfo constructor = type.GetConstructor(Type.EmptyTypes);
retVal = constructor.Invoke(null) as IEmailProvider;
retVal.Initialize(connectionType.Settings);
this.Providers.Add(connection.Name, retVal);
}
}
}
catch
{
//silent error
}
}
}
}
}
if (retVal == null)
{
throw new Exception(String.Format("No valid email provider was found"));
}
return(retVal);
}