| package org.bouncycastle.asn1.esf; |
| |
| import org.bouncycastle.asn1.ASN1Encodable; |
| import org.bouncycastle.asn1.ASN1EncodableVector; |
| import org.bouncycastle.asn1.ASN1Sequence; |
| import org.bouncycastle.asn1.DEREncodable; |
| import org.bouncycastle.asn1.DERObject; |
| import org.bouncycastle.asn1.DERObjectIdentifier; |
| 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 ASN1Encodable |
| { |
| private DERObjectIdentifier commitmentTypeIdentifier; |
| private DEREncodable qualifier; |
| |
| /** |
| * Creates a new <code>CommitmentTypeQualifier</code> instance. |
| * |
| * @param commitmentTypeIdentifier a <code>CommitmentTypeIdentifier</code> value |
| */ |
| public CommitmentTypeQualifier( |
| DERObjectIdentifier 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( |
| DERObjectIdentifier commitmentTypeIdentifier, |
| DEREncodable qualifier) |
| { |
| this.commitmentTypeIdentifier = commitmentTypeIdentifier; |
| this.qualifier = qualifier; |
| } |
| |
| /** |
| * Creates a new <code>CommitmentTypeQualifier</code> instance. |
| * |
| * @param as <code>CommitmentTypeQualifier</code> structure |
| * encoded as an ASN1Sequence. |
| */ |
| public CommitmentTypeQualifier( |
| ASN1Sequence as) |
| { |
| commitmentTypeIdentifier = (DERObjectIdentifier)as.getObjectAt(0); |
| |
| if (as.size() > 1) |
| { |
| qualifier = as.getObjectAt(1); |
| } |
| } |
| |
| public static CommitmentTypeQualifier getInstance(Object as) |
| { |
| if (as instanceof CommitmentTypeQualifier || as == null) |
| { |
| return (CommitmentTypeQualifier)as; |
| } |
| else if (as instanceof ASN1Sequence) |
| { |
| return new CommitmentTypeQualifier((ASN1Sequence)as); |
| } |
| |
| throw new IllegalArgumentException("unknown object in getInstance."); |
| } |
| |
| public DERObjectIdentifier getCommitmentTypeIdentifier() |
| { |
| return commitmentTypeIdentifier; |
| } |
| |
| public DEREncodable getQualifier() |
| { |
| return qualifier; |
| } |
| |
| /** |
| * Returns a DER-encodable representation of this instance. |
| * |
| * @return a <code>DERObject</code> value |
| */ |
| public DERObject toASN1Object() |
| { |
| ASN1EncodableVector dev = new ASN1EncodableVector(); |
| dev.add(commitmentTypeIdentifier); |
| if (qualifier != null) |
| { |
| dev.add(qualifier); |
| } |
| |
| return new DERSequence(dev); |
| } |
| } |