iTextSharp-LGPL/src/core/srcbc/x509/store/X509StoreFactory.cs

62 lines
1.5 KiB
C#

using System;
using System.Collections;
using System.Globalization;
namespace Org.BouncyCastle.X509.Store
{
public sealed class X509StoreFactory
{
private X509StoreFactory()
{
}
public static IX509Store Create(
string type,
IX509StoreParameters parameters)
{
if (type == null)
throw new ArgumentNullException("type");
string[] parts = type.ToUpper(CultureInfo.InvariantCulture).Split('/');
if (parts.Length < 2)
throw new ArgumentException("type");
if (parts[1] != "COLLECTION")
throw new NoSuchStoreException("X.509 store type '" + type + "' not available.");
X509CollectionStoreParameters p = (X509CollectionStoreParameters) parameters;
ICollection coll = p.GetCollection();
switch (parts[0])
{
case "ATTRIBUTECERTIFICATE":
checkCorrectType(coll, typeof(IX509AttributeCertificate));
break;
case "CERTIFICATE":
checkCorrectType(coll, typeof(X509Certificate));
break;
case "CERTIFICATEPAIR":
checkCorrectType(coll, typeof(X509CertificatePair));
break;
case "CRL":
checkCorrectType(coll, typeof(X509Crl));
break;
default:
throw new NoSuchStoreException("X.509 store type '" + type + "' not available.");
}
return new X509CollectionStore(coll);
}
private static void checkCorrectType(ICollection coll, Type t)
{
foreach (object o in coll)
{
if (!t.IsInstanceOfType(o))
throw new InvalidCastException("Can't cast object to type: " + t.FullName);
}
}
}
}