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The Bouncy Castle Java APIs for ASN.1 extension and utility APIs used to support bcpkix and bctls. This jar contains APIs for JDK 1.4.

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package org.bouncycastle.asn1.cms;

import org.bouncycastle.asn1.ASN1EncodableVector;
import org.bouncycastle.asn1.ASN1Object;
import org.bouncycastle.asn1.ASN1Primitive;
import org.bouncycastle.asn1.ASN1Set;
import org.bouncycastle.asn1.ASN1TaggedObject;
import org.bouncycastle.asn1.DLSet;

/**
 * RFC 5652 defines
 * 5 "SET OF Attribute" entities with 5 different names.
 * This is common implementation for them all:
 *  
 *   SignedAttributes      ::= SET SIZE (1..MAX) OF Attribute
 *   UnsignedAttributes    ::= SET SIZE (1..MAX) OF Attribute
 *   UnprotectedAttributes ::= SET SIZE (1..MAX) OF Attribute
 *   AuthAttributes        ::= SET SIZE (1..MAX) OF Attribute
 *   UnauthAttributes      ::= SET SIZE (1..MAX) OF Attribute
 *
 * Attributes ::=
 *   SET SIZE(1..MAX) OF Attribute
 *


 */
public class Attributes
    extends ASN1Object
{
    private ASN1Set attributes;

    private Attributes(ASN1Set set)
    {
        attributes = set;
    }

    public Attributes(ASN1EncodableVector v)
    {
        attributes = new DLSet(v);
    }

    /**
     * Return an Attribute set object from the given object.
     *

* Accepted inputs: * * null → null * {@link Attributes} object * {@link org.bouncycastle.asn1.ASN1Set#getInstance(java.lang.Object) ASN1Set} input formats with Attributes structure inside * * * @param obj the object we want converted. * @exception IllegalArgumentException if the object cannot be converted. */ public static Attributes getInstance(Object obj) { if (obj instanceof Attributes) { return (Attributes)obj; } else if (obj != null) { return new Attributes(ASN1Set.getInstance(obj)); } return null; } public static Attributes getInstance( ASN1TaggedObject obj, boolean explicit) { return getInstance(ASN1Set.getInstance(obj, explicit)); } public Attribute[] getAttributes() { Attribute[] rv = new Attribute[attributes.size()]; for (int i = 0; i != rv.length; i++) { rv[i] = Attribute.getInstance(attributes.getObjectAt(i)); } return rv; } /** * Produce an object suitable for an ASN1OutputStream. */ public ASN1Primitive toASN1Primitive() { return attributes; } }