diff options
Diffstat (limited to 'core/src/main/java/org/bouncycastle/asn1/x509/Attribute.java')
-rw-r--r-- | core/src/main/java/org/bouncycastle/asn1/x509/Attribute.java | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/core/src/main/java/org/bouncycastle/asn1/x509/Attribute.java b/core/src/main/java/org/bouncycastle/asn1/x509/Attribute.java new file mode 100644 index 00000000..b8d4bde7 --- /dev/null +++ b/core/src/main/java/org/bouncycastle/asn1/x509/Attribute.java @@ -0,0 +1,93 @@ +package org.bouncycastle.asn1.x509; + +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.ASN1Set; +import org.bouncycastle.asn1.DERSequence; + +public class Attribute + extends ASN1Object +{ + private ASN1ObjectIdentifier 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 instanceof Attribute) + { + return (Attribute)o; + } + + if (o != null) + { + return new Attribute(ASN1Sequence.getInstance(o)); + } + + return null; + } + + private Attribute( + ASN1Sequence seq) + { + if (seq.size() != 2) + { + throw new IllegalArgumentException("Bad sequence size: " + seq.size()); + } + + attrType = ASN1ObjectIdentifier.getInstance(seq.getObjectAt(0)); + attrValues = ASN1Set.getInstance(seq.getObjectAt(1)); + } + + public Attribute( + ASN1ObjectIdentifier 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. + * <pre> + * Attribute ::= SEQUENCE { + * attrType OBJECT IDENTIFIER, + * attrValues SET OF AttributeValue + * } + * </pre> + */ + public ASN1Primitive toASN1Primitive() + { + ASN1EncodableVector v = new ASN1EncodableVector(); + + v.add(attrType); + v.add(attrValues); + + return new DERSequence(v); + } +} |