package org.bouncycastle.asn1.x509;

import org.bouncycastle.asn1.ASN1Encodable;
import org.bouncycastle.asn1.ASN1EncodableVector;
import org.bouncycastle.asn1.ASN1ObjectIdentifier;
import org.bouncycastle.asn1.ASN1Sequence;
import org.bouncycastle.asn1.ASN1Set;
import org.bouncycastle.asn1.DERObject;
import org.bouncycastle.asn1.DERObjectIdentifier;
import org.bouncycastle.asn1.DERSequence;

public class Attribute
    extends ASN1Encodable
{
    private DERObjectIdentifier attrType;
    private ASN1Set             attrValues;

    
return an Attribute object from the given object.
Params:
  • o – the object we want converted.
Throws:
/** * return an Attribute object from the given object. * * @param o the object we want converted. * @exception IllegalArgumentException if the object cannot be converted. */
public static Attribute getInstance( Object o) { if (o == null || o instanceof Attribute) { return (Attribute)o; } if (o instanceof ASN1Sequence) { return new Attribute((ASN1Sequence)o); } throw new IllegalArgumentException("unknown object in factory: " + o.getClass().getName()); } public Attribute( ASN1Sequence seq) { if (seq.size() != 2) { throw new IllegalArgumentException("Bad sequence size: " + seq.size()); } attrType = DERObjectIdentifier.getInstance(seq.getObjectAt(0)); attrValues = ASN1Set.getInstance(seq.getObjectAt(1)); } public Attribute( DERObjectIdentifier attrType, ASN1Set attrValues) { this.attrType = attrType; this.attrValues = attrValues; } public ASN1ObjectIdentifier getAttrType() { return new ASN1ObjectIdentifier(attrType.getId()); } public ASN1Encodable[] getAttributeValues() { return attrValues.toArray(); } public ASN1Set getAttrValues() { return attrValues; }
Produce an object suitable for an ASN1OutputStream.
Attribute ::= SEQUENCE {
    attrType OBJECT IDENTIFIER,
    attrValues SET OF AttributeValue
}
/** * Produce an object suitable for an ASN1OutputStream. * <pre> * Attribute ::= SEQUENCE { * attrType OBJECT IDENTIFIER, * attrValues SET OF AttributeValue * } * </pre> */
public DERObject toASN1Object() { ASN1EncodableVector v = new ASN1EncodableVector(); v.add(attrType); v.add(attrValues); return new DERSequence(v); } }