| package org.bouncycastle.asn1.x509; |
| |
| import org.bouncycastle.asn1.ASN1Encodable; |
| import org.bouncycastle.asn1.ASN1EncodableVector; |
| 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. |
| * |
| * @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 DERObjectIdentifier getAttrType() |
| { |
| return attrType; |
| } |
| |
| public ASN1Set getAttrValues() |
| { |
| return attrValues; |
| } |
| |
| /** |
| * 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); |
| } |
| } |