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package org.bouncycastle.asn1.esf;
import org.bouncycastle.asn1.ASN1Encodable;
import org.bouncycastle.asn1.ASN1EncodableVector;
import org.bouncycastle.asn1.ASN1Object;
import org.bouncycastle.asn1.ASN1ObjectIdentifier;
import org.bouncycastle.asn1.ASN1Primitive;
import org.bouncycastle.asn1.ASN1Sequence;
import org.bouncycastle.asn1.DERSequence;
/**
* Commitment type qualifiers, used in the Commitment-Type-Indication attribute (RFC3126).
*
* <pre>
* CommitmentTypeQualifier ::= SEQUENCE {
* commitmentTypeIdentifier CommitmentTypeIdentifier,
* qualifier ANY DEFINED BY commitmentTypeIdentifier OPTIONAL }
* </pre>
*/
public class CommitmentTypeQualifier
extends ASN1Object
{
private ASN1ObjectIdentifier commitmentTypeIdentifier;
private ASN1Encodable qualifier;
/**
* Creates a new <code>CommitmentTypeQualifier</code> instance.
*
* @param commitmentTypeIdentifier a <code>CommitmentTypeIdentifier</code> value
*/
public CommitmentTypeQualifier(
ASN1ObjectIdentifier commitmentTypeIdentifier)
{
this(commitmentTypeIdentifier, null);
}
/**
* Creates a new <code>CommitmentTypeQualifier</code> instance.
*
* @param commitmentTypeIdentifier a <code>CommitmentTypeIdentifier</code> value
* @param qualifier the qualifier, defined by the above field.
*/
public CommitmentTypeQualifier(
ASN1ObjectIdentifier commitmentTypeIdentifier,
ASN1Encodable qualifier)
{
this.commitmentTypeIdentifier = commitmentTypeIdentifier;
this.qualifier = qualifier;
}
/**
* Creates a new <code>CommitmentTypeQualifier</code> instance.
*
* @param as <code>CommitmentTypeQualifier</code> structure
* encoded as an ASN1Sequence.
*/
private CommitmentTypeQualifier(
ASN1Sequence as)
{
commitmentTypeIdentifier = (ASN1ObjectIdentifier)as.getObjectAt(0);
if (as.size() > 1)
{
qualifier = as.getObjectAt(1);
}
}
public static CommitmentTypeQualifier getInstance(Object as)
{
if (as instanceof CommitmentTypeQualifier)
{
return (CommitmentTypeQualifier)as;
}
else if (as != null)
{
return new CommitmentTypeQualifier(ASN1Sequence.getInstance(as));
}
return null;
}
public ASN1ObjectIdentifier getCommitmentTypeIdentifier()
{
return commitmentTypeIdentifier;
}
public ASN1Encodable getQualifier()
{
return qualifier;
}
/**
* Returns a DER-encodable representation of this instance.
*
* @return a <code>ASN1Primitive</code> value
*/
public ASN1Primitive toASN1Primitive()
{
ASN1EncodableVector dev = new ASN1EncodableVector();
dev.add(commitmentTypeIdentifier);
if (qualifier != null)
{
dev.add(qualifier);
}
return new DERSequence(dev);
}
}
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