public static PeopleIdentity[] ToPeopleIdentityArray(this ADRecipientOrAddress[] addresses)
{
List <PeopleIdentity> list = new List <PeopleIdentity>();
if (addresses != null && addresses.Any <ADRecipientOrAddress>())
{
Dictionary <string, ADRecipient> dictionary = new Dictionary <string, ADRecipient>(StringComparer.OrdinalIgnoreCase);
IEnumerable <string> legacyDNs = from address in addresses
where address.RoutingType == "EX"
select address.Address;
IEnumerable <ADRecipient> enumerable = RecipientObjectResolver.Instance.ResolveLegacyDNs(legacyDNs);
if (enumerable != null && enumerable.Any <ADRecipient>())
{
foreach (ADRecipient adrecipient in enumerable)
{
if (!dictionary.ContainsKey(adrecipient.LegacyExchangeDN))
{
dictionary.Add(adrecipient.LegacyExchangeDN, adrecipient);
}
}
}
IEnumerable <string> addresses2 = from address in addresses
where address.RoutingType == "SMTP"
select address.Address;
enumerable = RecipientObjectResolver.Instance.ResolveSmtpAddress(addresses2);
if (enumerable != null && enumerable.Any <ADRecipient>())
{
foreach (ADRecipient adrecipient2 in enumerable)
{
string key = adrecipient2.PrimarySmtpAddress.ToString();
if (!dictionary.ContainsKey(key))
{
dictionary.Add(key, adrecipient2);
}
}
}
foreach (ADRecipientOrAddress adrecipientOrAddress in addresses)
{
ADRecipient entry = null;
if (dictionary.TryGetValue(adrecipientOrAddress.Address, out entry))
{
list.Add(entry.ToPeopleIdentity());
}
else
{
list.Add(adrecipientOrAddress.ToPeopleIdentity());
}
}
}
if (!list.Any <PeopleIdentity>())
{
return(null);
}
return(list.ToArray());
}
