package org.bouncycastle.asn1.x509;
import java.util.Enumeration;
import org.bouncycastle.asn1.ASN1EncodableVector;
import org.bouncycastle.asn1.ASN1Sequence;
import org.bouncycastle.asn1.ASN1TaggedObject;
import org.bouncycastle.asn1.DEREncodable;
import org.bouncycastle.asn1.DERObject;
import org.bouncycastle.asn1.DERSequence;
import org.bouncycastle.asn1.DERTaggedObject;
public class NameConstraints
implements DEREncodable
{
ASN1Sequence permitted, excluded;
public NameConstraints(
ASN1Sequence seq)
{
Enumeration e = seq.getObjects();
while (e.hasMoreElements())
{
ASN1TaggedObject o = (ASN1TaggedObject)e.nextElement();
switch (o.getTagNo())
{
case 0:
permitted = ASN1Sequence.getInstance(o, false);
break;
case 1:
excluded = ASN1Sequence.getInstance(o, false);
break;
}
}
}
public ASN1Sequence getPermittedSubtrees()
{
return permitted;
}
public ASN1Sequence getExcludedSubtrees()
{
return excluded;
}
/*
* NameConstraints ::= SEQUENCE {
* permittedSubtrees [0] GeneralSubtrees OPTIONAL,
* excludedSubtrees [1] GeneralSubtrees OPTIONAL }
*/
public DERObject getDERObject()
{
ASN1EncodableVector v = new ASN1EncodableVector();
if (permitted != null)
{
v.add(new DERTaggedObject(false, 0, permitted));
}
if (excluded != null)
{
v.add(new DERTaggedObject(false, 1, excluded));
}
return new DERSequence(v);
}
}