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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.oer.its.etsi102941;

import org.bouncycastle.asn1.ASN1Encodable;
import org.bouncycastle.asn1.ASN1Object;
import org.bouncycastle.asn1.ASN1Primitive;
import org.bouncycastle.asn1.ASN1Sequence;
import org.bouncycastle.asn1.DERSequence;
import org.bouncycastle.oer.OEROptional;
import org.bouncycastle.oer.its.etsi103097.EtsiTs103097Certificate;


/**
 * RootCaEntry ::= SEQUENCE {
 * selfsignedRootCa EtsiTs103097Certificate,
 * successorTo      EtsiTs103097Certificate OPTIONAL
 * }
 */
public class RootCaEntry
    extends ASN1Object
{

    private final EtsiTs103097Certificate selfsignedRootCa;
    private final EtsiTs103097Certificate successorTo;

    public RootCaEntry(EtsiTs103097Certificate selfsignedRootCa, EtsiTs103097Certificate successorTo)
    {
        this.selfsignedRootCa = selfsignedRootCa;
        this.successorTo = successorTo;
    }

    private RootCaEntry(ASN1Sequence sequence)
    {
        if (sequence.size() != 2)
        {
            throw new IllegalArgumentException("expected sequence size of 2");
        }
        selfsignedRootCa = EtsiTs103097Certificate.getInstance(sequence.getObjectAt(0));
        successorTo = OEROptional.getValue(EtsiTs103097Certificate.class, sequence.getObjectAt(1));
    }

    public static RootCaEntry getInstance(Object o)
    {
        if (o instanceof RootCaEntry)
        {
            return (RootCaEntry)o;
        }

        if (o != null)
        {
            return new RootCaEntry(ASN1Sequence.getInstance(o));
        }

        return null;
    }


    public EtsiTs103097Certificate getSelfsignedRootCa()
    {
        return selfsignedRootCa;
    }

    public EtsiTs103097Certificate getSuccessorTo()
    {
        return successorTo;
    }

    public ASN1Primitive toASN1Primitive()
    {
        return new DERSequence(new ASN1Encodable[]{selfsignedRootCa, OEROptional.getInstance(successorTo)});
    }

    public static Builder builder()
    {
        return new Builder();
    }

    public static class Builder
    {
        private EtsiTs103097Certificate selfsignedRootCa;
        private EtsiTs103097Certificate successorTo;

        public Builder setSelfsignedRootCa(EtsiTs103097Certificate selfsignedRootCa)
        {
            this.selfsignedRootCa = selfsignedRootCa;
            return this;
        }

        public Builder setSuccessorTo(EtsiTs103097Certificate successorTo)
        {
            this.successorTo = successorTo;
            return this;
        }


        public RootCaEntry createRootCaEntry()
        {
            return new RootCaEntry(selfsignedRootCa, successorTo);
        }
    }
}