org.bouncycastle.asn1.cmc.ExtensionReq Maven / Gradle / Ivy

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The Bouncy Castle Java APIs for ASN.1 extension and utility APIs used to support bcpkix and bctls with the BC FIPS provider. The APIs may also be used with other providers although if being used in a FIPS context it is the responsibility of the user to ensure that any other providers used are FIPS certified and used appropriately.

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package org.bouncycastle.asn1.cmc;

import org.bouncycastle.asn1.ASN1Object;
import org.bouncycastle.asn1.ASN1Primitive;
import org.bouncycastle.asn1.ASN1Sequence;
import org.bouncycastle.asn1.ASN1TaggedObject;
import org.bouncycastle.asn1.DERSequence;
import org.bouncycastle.asn1.x509.Extension;

/**
 *  *   ExtensionReq ::= SEQUENCE SIZE (1..MAX) OF Extension
 * 
 */
public class ExtensionReq
    extends ASN1Object
{
    private final Extension[] extensions;

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

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

        return null;
    }

    public static ExtensionReq getInstance(
        ASN1TaggedObject obj,
        boolean explicit)
    {
        return getInstance(ASN1Sequence.getInstance(obj, explicit));
    }

    /**
     * Construct a ExtensionReq object containing one Extension.
     *
     * @param Extension the Extension to be contained.
     */
    public ExtensionReq(
        Extension Extension)
    {
        this.extensions = new Extension[]{Extension};
    }


    public ExtensionReq(
        Extension[] extensions)
    {
        this.extensions = Utils.clone(extensions);
    }

    private ExtensionReq(
        ASN1Sequence seq)
    {
        this.extensions = new Extension[seq.size()];

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

    public Extension[] getExtensions()
    {
        return Utils.clone(extensions);
    }

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


}