org.bouncycastle.asn1.x509.AuthorityInformationAccess.java Source code

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Here is the source code for org.bouncycastle.asn1.x509.AuthorityInformationAccess.java

Source

package org.bouncycastle.asn1.x509;

import org.bouncycastle.asn1.ASN1Object;
import org.bouncycastle.asn1.ASN1ObjectIdentifier;
import org.bouncycastle.asn1.ASN1Primitive;
import org.bouncycastle.asn1.ASN1Sequence;
import org.bouncycastle.asn1.DERSequence;

/**
 * The AuthorityInformationAccess object.
 * <pre>
 * id-pe-authorityInfoAccess OBJECT IDENTIFIER ::= { id-pe 1 }
 *
 * AuthorityInfoAccessSyntax  ::=
 *      SEQUENCE SIZE (1..MAX) OF AccessDescription
 * AccessDescription  ::=  SEQUENCE {
 *       accessMethod          OBJECT IDENTIFIER,
 *       accessLocation        GeneralName  }
 *
 * id-ad OBJECT IDENTIFIER ::= { id-pkix 48 }
 * id-ad-caIssuers OBJECT IDENTIFIER ::= { id-ad 2 }
 * id-ad-ocsp OBJECT IDENTIFIER ::= { id-ad 1 }
 * </pre>
 */
public class AuthorityInformationAccess extends ASN1Object {
    private AccessDescription[] descriptions;

    public static AuthorityInformationAccess getInstance(Object obj) {
        if (obj instanceof AuthorityInformationAccess) {
            return (AuthorityInformationAccess) obj;
        }

        if (obj != null) {
            return new AuthorityInformationAccess(ASN1Sequence.getInstance(obj));
        }

        return null;
    }

    public static AuthorityInformationAccess fromExtensions(Extensions extensions) {
        return AuthorityInformationAccess
                .getInstance(Extensions.getExtensionParsedValue(extensions, Extension.authorityInfoAccess));
    }

    private AuthorityInformationAccess(ASN1Sequence seq) {
        if (seq.size() < 1) {
            throw new IllegalArgumentException("sequence may not be empty");
        }

        descriptions = new AccessDescription[seq.size()];

        for (int i = 0; i != seq.size(); i++) {
            descriptions[i] = AccessDescription.getInstance(seq.getObjectAt(i));
        }
    }

    public AuthorityInformationAccess(AccessDescription description) {
        this(new AccessDescription[] { description });
    }

    public AuthorityInformationAccess(AccessDescription[] descriptions) {
        this.descriptions = new AccessDescription[descriptions.length];
        System.arraycopy(descriptions, 0, this.descriptions, 0, descriptions.length);
    }

    /**
     * create an AuthorityInformationAccess with the oid and location provided.
     */
    public AuthorityInformationAccess(ASN1ObjectIdentifier oid, GeneralName location) {
        this(new AccessDescription(oid, location));
    }

    /**
     * 
     * @return the access descriptions contained in this object.
     */
    public AccessDescription[] getAccessDescriptions() {
        return descriptions;
    }

    public ASN1Primitive toASN1Primitive() {
        return new DERSequence(descriptions);
    }

    public String toString() {
        return ("AuthorityInformationAccess: Oid(" + this.descriptions[0].getAccessMethod().getId() + ")");
    }
}