| 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); |
| } |
| } |