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using System;
namespace Org.BouncyCastle.Asn1.Cms
{
public class Attributes
: Asn1Encodable
{
public static Attributes GetInstance(object obj)
{
if (obj == null)
return null;
if (obj is Attributes attributes)
return attributes;
return new Attributes(Asn1Set.GetInstance(obj));
}
public static Attributes GetInstance(Asn1TaggedObject taggedObject, bool declaredExplicit) =>
new Attributes(Asn1Set.GetInstance(taggedObject, declaredExplicit));
public static Attributes GetTagged(Asn1TaggedObject taggedObject, bool declaredExplicit) =>
new Attributes(Asn1Set.GetTagged(taggedObject, declaredExplicit));
public static Attributes GetOptional(Asn1Encodable element)
{
if (element == null)
throw new ArgumentNullException(nameof(element));
if (element is Attributes attributes)
return attributes;
Asn1Set asn1Set = Asn1Set.GetOptional(element);
if (asn1Set != null)
return new Attributes(asn1Set);
return null;
}
private readonly Asn1Set m_attributes;
private Attributes(Asn1Set attributes)
{
m_attributes = attributes;
}
public Attributes(Asn1EncodableVector v)
{
m_attributes = BerSet.FromVector(v);
}
public virtual Attribute[] GetAttributes() => m_attributes.MapElements(Attribute.GetInstance);
/**
* <pre>
* Attributes ::=
* SET SIZE(1..MAX) OF Attribute -- according to RFC 5652
* </pre>
* @return
*/
public override Asn1Object ToAsn1Object() => m_attributes;
}
}
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