66 lines
1.6 KiB
C#
66 lines
1.6 KiB
C#
using System;
|
|
using Org.BouncyCastle.Utilities;
|
|
|
|
namespace Org.BouncyCastle.Asn1.Ess;
|
|
|
|
public class ContentHints : Asn1Encodable
|
|
{
|
|
private readonly DerUtf8String contentDescription;
|
|
|
|
private readonly DerObjectIdentifier contentType;
|
|
|
|
public DerObjectIdentifier ContentType => contentType;
|
|
|
|
public DerUtf8String ContentDescription => contentDescription;
|
|
|
|
public static ContentHints GetInstance(object o)
|
|
{
|
|
if (o == null || o is ContentHints)
|
|
{
|
|
return (ContentHints)o;
|
|
}
|
|
if (o is Asn1Sequence)
|
|
{
|
|
return new ContentHints((Asn1Sequence)o);
|
|
}
|
|
throw new ArgumentException("unknown object in 'ContentHints' factory : " + Platform.GetTypeName(o) + ".");
|
|
}
|
|
|
|
private ContentHints(Asn1Sequence seq)
|
|
{
|
|
IAsn1Convertible asn1Convertible = seq[0];
|
|
if (asn1Convertible.ToAsn1Object() is DerUtf8String)
|
|
{
|
|
contentDescription = DerUtf8String.GetInstance(asn1Convertible);
|
|
contentType = DerObjectIdentifier.GetInstance(seq[1]);
|
|
}
|
|
else
|
|
{
|
|
contentType = DerObjectIdentifier.GetInstance(seq[0]);
|
|
}
|
|
}
|
|
|
|
public ContentHints(DerObjectIdentifier contentType)
|
|
{
|
|
this.contentType = contentType;
|
|
contentDescription = null;
|
|
}
|
|
|
|
public ContentHints(DerObjectIdentifier contentType, DerUtf8String contentDescription)
|
|
{
|
|
this.contentType = contentType;
|
|
this.contentDescription = contentDescription;
|
|
}
|
|
|
|
public override Asn1Object ToAsn1Object()
|
|
{
|
|
Asn1EncodableVector asn1EncodableVector = new Asn1EncodableVector();
|
|
if (contentDescription != null)
|
|
{
|
|
asn1EncodableVector.Add(contentDescription);
|
|
}
|
|
asn1EncodableVector.Add(contentType);
|
|
return new DerSequence(asn1EncodableVector);
|
|
}
|
|
}
|