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using System;
namespace Org.BouncyCastle.Asn1.X500
{
/**
* Holding class for a single Relative Distinguished Name (RDN).
*/
public class Rdn
: Asn1Encodable
{
private readonly Asn1Set values;
private Rdn(Asn1Set values)
{
this.values = values;
}
public static Rdn GetInstance(object obj)
{
if (obj is Rdn)
return (Rdn)obj;
if (null != obj)
return new Rdn(Asn1Set.GetInstance(obj));
return null;
}
/**
* Create a single valued RDN.
*
* @param oid RDN type.
* @param value RDN value.
*/
public Rdn(DerObjectIdentifier oid, Asn1Encodable value)
{
this.values = new DerSet(new DerSequence(oid, value));
}
public Rdn(AttributeTypeAndValue attrTAndV)
{
this.values = new DerSet(attrTAndV);
}
/**
* Create a multi-valued RDN.
*
* @param aAndVs attribute type/value pairs making up the RDN
*/
public Rdn(AttributeTypeAndValue[] aAndVs)
{
this.values = new DerSet(aAndVs);
}
public virtual bool IsMultiValued
{
get { return this.values.Count > 1; }
}
/**
* Return the number of AttributeTypeAndValue objects in this RDN,
*
* @return size of RDN, greater than 1 if multi-valued.
*/
public virtual int Count
{
get { return this.values.Count; }
}
public virtual AttributeTypeAndValue GetFirst()
{
if (this.values.Count == 0)
return null;
return AttributeTypeAndValue.GetInstance(this.values[0]);
}
public virtual AttributeTypeAndValue[] GetTypesAndValues()
{
AttributeTypeAndValue[] tmp = new AttributeTypeAndValue[values.Count];
for (int i = 0; i < tmp.Length; ++i)
{
tmp[i] = AttributeTypeAndValue.GetInstance(values[i]);
}
return tmp;
}
/**
* <pre>
* RelativeDistinguishedName ::=
* SET OF AttributeTypeAndValue
* AttributeTypeAndValue ::= SEQUENCE {
* type AttributeType,
* value AttributeValue }
* </pre>
* @return this object as its ASN1Primitive type
*/
public override Asn1Object ToAsn1Object()
{
return values;
}
}
}
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