package org.bouncycastle.asn1.x509;
import java.util.Enumeration;
import java.util.Vector;
import org.bouncycastle.asn1.ASN1EncodableVector;
import org.bouncycastle.asn1.ASN1Object;
import org.bouncycastle.asn1.ASN1Primitive;
import org.bouncycastle.asn1.ASN1Sequence;
import org.bouncycastle.asn1.DERSequence;
/**
* This extension may contain further X.500 attributes of the subject. See also
* RFC 3039.
*
* <pre>
* SubjectDirectoryAttributes ::= Attributes
* Attributes ::= SEQUENCE SIZE (1..MAX) OF Attribute
* Attribute ::= SEQUENCE
* {
* type AttributeType
* values SET OF AttributeValue
* }
*
* AttributeType ::= OBJECT IDENTIFIER
* AttributeValue ::= ANY DEFINED BY AttributeType
* </pre>
*
* @see org.bouncycastle.asn1.x500.style.BCStyle for AttributeType ObjectIdentifiers.
*/
public class SubjectDirectoryAttributes
extends ASN1Object
{
private Vector attributes = new Vector();
public static SubjectDirectoryAttributes getInstance(
Object obj)
{
if (obj instanceof SubjectDirectoryAttributes)
{
return (SubjectDirectoryAttributes)obj;
}
if (obj != null)
{
return new SubjectDirectoryAttributes(ASN1Sequence.getInstance(obj));
}
return null;
}
/**
* Constructor from ASN1Sequence.
*
* The sequence is of type SubjectDirectoryAttributes:
*
* <pre>
* SubjectDirectoryAttributes ::= Attributes
* Attributes ::= SEQUENCE SIZE (1..MAX) OF Attribute
* Attribute ::= SEQUENCE
* {
* type AttributeType
* values SET OF AttributeValue
* }
*
* AttributeType ::= OBJECT IDENTIFIER
* AttributeValue ::= ANY DEFINED BY AttributeType
* </pre>
*
* @param seq
* The ASN.1 sequence.
*/
private SubjectDirectoryAttributes(ASN1Sequence seq)
{
Enumeration e = seq.getObjects();
while (e.hasMoreElements())
{
ASN1Sequence s = ASN1Sequence.getInstance(e.nextElement());
attributes.addElement(Attribute.getInstance(s));
}
}
/**
* Constructor from a vector of attributes.
*
* The vector consists of attributes of type {@link Attribute Attribute}
*
* @param attributes
* The attributes.
*
*/
public SubjectDirectoryAttributes(Vector attributes)
{
Enumeration e = attributes.elements();
while (e.hasMoreElements())
{
this.attributes.addElement(e.nextElement());
}
}
/**
* Produce an object suitable for an ASN1OutputStream.
*
* Returns:
*
* <pre>
* SubjectDirectoryAttributes ::= Attributes
* Attributes ::= SEQUENCE SIZE (1..MAX) OF Attribute
* Attribute ::= SEQUENCE
* {
* type AttributeType
* values SET OF AttributeValue
* }
*
* AttributeType ::= OBJECT IDENTIFIER
* AttributeValue ::= ANY DEFINED BY AttributeType
* </pre>
*
* @return a ASN1Primitive
*/
public ASN1Primitive toASN1Primitive()
{
ASN1EncodableVector vec = new ASN1EncodableVector();
Enumeration e = attributes.elements();
while (e.hasMoreElements())
{
vec.add((Attribute)e.nextElement());
}
return new DERSequence(vec);
}
/**
* @return Returns the attributes.
*/
public Vector getAttributes()
{
return attributes;
}
}