Object  obj)
ASN1TaggedObject obj, boolean          explicit)
    public static X509Name getInstance(        Object  obj)    {        if (obj == null || obj instanceof X509Name)        {            return (X509Name)obj;        }        else if (obj instanceof ASN1Sequence)        {            return new X509Name((ASN1Sequence)obj);        }        throw new IllegalArgumentException("unknown object in factory");    }