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using System;
using Org.BouncyCastle.Asn1.X509;
using Org.BouncyCastle.Utilities;
namespace Org.BouncyCastle.Asn1.IsisMtt.X509
{
/**
* An Admissions structure.
* <p/>
* <pre>
* Admissions ::= SEQUENCE
* {
* admissionAuthority [0] EXPLICIT GeneralName OPTIONAL
* namingAuthority [1] EXPLICIT NamingAuthority OPTIONAL
* professionInfos SEQUENCE OF ProfessionInfo
* }
* <p/>
* </pre>
*
* @see Org.BouncyCastle.Asn1.IsisMtt.X509.AdmissionSyntax
* @see Org.BouncyCastle.Asn1.IsisMtt.X509.ProfessionInfo
* @see Org.BouncyCastle.Asn1.IsisMtt.X509.NamingAuthority
*/
public class Admissions
: Asn1Encodable
{
private readonly GeneralName admissionAuthority;
private readonly NamingAuthority namingAuthority;
private readonly Asn1Sequence professionInfos;
public static Admissions GetInstance(object obj)
{
if (obj == null || obj is Admissions)
return (Admissions)obj;
if (obj is Asn1Sequence seq)
return new Admissions(seq);
throw new ArgumentException("unknown object in factory: " + Platform.GetTypeName(obj), "obj");
}
/**
* Constructor from Asn1Sequence.
* <p/>
* The sequence is of type ProcurationSyntax:
* <p/>
* <pre>
* Admissions ::= SEQUENCE
* {
* admissionAuthority [0] EXPLICIT GeneralName OPTIONAL
* namingAuthority [1] EXPLICIT NamingAuthority OPTIONAL
* professionInfos SEQUENCE OF ProfessionInfo
* }
* </pre>
*
* @param seq The ASN.1 sequence.
*/
private Admissions(Asn1Sequence seq)
{
if (seq.Count > 3)
throw new ArgumentException("Bad sequence size: " + seq.Count);
var e = seq.GetEnumerator();
e.MoveNext();
Asn1Encodable o = e.Current;
if (o is Asn1TaggedObject tagged1)
{
switch (tagged1.TagNo)
{
case 0:
admissionAuthority = GeneralName.GetInstance((Asn1TaggedObject)o, true);
break;
case 1:
namingAuthority = NamingAuthority.GetInstance((Asn1TaggedObject)o, true);
break;
default:
throw new ArgumentException("Bad tag number: " + ((Asn1TaggedObject)o).TagNo);
}
e.MoveNext();
o = e.Current;
}
if (o is Asn1TaggedObject tagged2)
{
switch (tagged2.TagNo)
{
case 1:
namingAuthority = NamingAuthority.GetInstance((Asn1TaggedObject)o, true);
break;
default:
throw new ArgumentException("Bad tag number: " + ((Asn1TaggedObject)o).TagNo);
}
e.MoveNext();
o = e.Current;
}
professionInfos = Asn1Sequence.GetInstance(o);
if (e.MoveNext())
{
throw new ArgumentException("Bad object encountered: " + Platform.GetTypeName(e.Current));
}
}
/**
* Constructor from a given details.
* <p/>
* Parameter <code>professionInfos</code> is mandatory.
*
* @param admissionAuthority The admission authority.
* @param namingAuthority The naming authority.
* @param professionInfos The profession infos.
*/
public Admissions(
GeneralName admissionAuthority,
NamingAuthority namingAuthority,
ProfessionInfo[] professionInfos)
{
this.admissionAuthority = admissionAuthority;
this.namingAuthority = namingAuthority;
this.professionInfos = new DerSequence(professionInfos);
}
public virtual GeneralName AdmissionAuthority
{
get { return admissionAuthority; }
}
public virtual NamingAuthority NamingAuthority
{
get { return namingAuthority; }
}
public ProfessionInfo[] GetProfessionInfos()
{
ProfessionInfo[] infos = new ProfessionInfo[professionInfos.Count];
int count = 0;
foreach (Asn1Encodable ae in professionInfos)
{
infos[count++] = ProfessionInfo.GetInstance(ae);
}
return infos;
}
/**
* Produce an object suitable for an Asn1OutputStream.
* <p/>
* Returns:
* <p/>
* <pre>
* Admissions ::= SEQUENCE
* {
* admissionAuthority [0] EXPLICIT GeneralName OPTIONAL
* namingAuthority [1] EXPLICIT NamingAuthority OPTIONAL
* professionInfos SEQUENCE OF ProfessionInfo
* }
* <p/>
* </pre>
*
* @return an Asn1Object
*/
public override Asn1Object ToAsn1Object()
{
Asn1EncodableVector v = new Asn1EncodableVector();
v.AddOptionalTagged(true, 0, admissionAuthority);
v.AddOptionalTagged(true, 1, namingAuthority);
v.Add(professionInfos);
return new DerSequence(v);
}
}
}
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