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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 Java 8 and later.
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package org.bouncycastle.oer.its.etsi102941;

import org.bouncycastle.asn1.ASN1Encodable;
import org.bouncycastle.asn1.ASN1Object;
import org.bouncycastle.asn1.ASN1OctetString;
import org.bouncycastle.asn1.ASN1Primitive;
import org.bouncycastle.asn1.ASN1Sequence;
import org.bouncycastle.asn1.DEROctetString;
import org.bouncycastle.asn1.DERSequence;
import org.bouncycastle.oer.its.etsi102941.basetypes.CertificateFormat;
import org.bouncycastle.oer.its.etsi102941.basetypes.CertificateSubjectAttributes;
import org.bouncycastle.oer.its.etsi102941.basetypes.PublicKeys;
import org.bouncycastle.util.Arrays;

/**
 * InnerEcRequest ::= SEQUENCE {
 * itsId                                 OCTET STRING,
 * certificateFormat                     CertificateFormat,
 * publicKeys                            PublicKeys,
 * requestedSubjectAttributes            CertificateSubjectAttributes (WITH COMPONENTS{..., certIssuePermissions ABSENT}),
 * ...
 * }
 */
public class InnerEcRequest
    extends ASN1Object
{
    private final ASN1OctetString itsId;
    private final CertificateFormat certificateFormat;
    private final PublicKeys publicKeys;
    private final CertificateSubjectAttributes requestedSubjectAttributes;

    public InnerEcRequest(
        ASN1OctetString itsId,
        CertificateFormat certificateFormat,
        PublicKeys publicKeys,
        CertificateSubjectAttributes requestedSubjectAttributes)
    {
        this.itsId = itsId;
        this.certificateFormat = certificateFormat;
        this.publicKeys = publicKeys;
        this.requestedSubjectAttributes = requestedSubjectAttributes;
    }

    private InnerEcRequest(ASN1Sequence seq)
    {
        if (seq.size() != 4)
        {
            throw new IllegalArgumentException("expected sequence size of 4");
        }

        itsId = ASN1OctetString.getInstance(seq.getObjectAt(0));
        certificateFormat = CertificateFormat.getInstance(seq.getObjectAt(1));
        publicKeys = PublicKeys.getInstance(seq.getObjectAt(2));
        requestedSubjectAttributes = CertificateSubjectAttributes.getInstance(seq.getObjectAt(3));
    }

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

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

        return null;
    }


    public ASN1OctetString getItsId()
    {
        return itsId;
    }

    public CertificateFormat getCertificateFormat()
    {
        return certificateFormat;
    }

    public PublicKeys getPublicKeys()
    {
        return publicKeys;
    }

    public CertificateSubjectAttributes getRequestedSubjectAttributes()
    {
        return requestedSubjectAttributes;
    }

    public ASN1Primitive toASN1Primitive()
    {
        return new DERSequence(new ASN1Encodable[]{itsId, certificateFormat, publicKeys, requestedSubjectAttributes});
    }

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

    public static class Builder
    {
        private ASN1OctetString itsId;
        private CertificateFormat certificateFormat;
        private PublicKeys publicKeys;
        private CertificateSubjectAttributes requestedSubjectAttributes;

        public Builder setItsId(ASN1OctetString itsId)
        {
            this.itsId = itsId;
            return this;
        }

        public Builder setItsId(byte[] itsId)
        {
            this.itsId = new DEROctetString(Arrays.clone(itsId));
            return this;
        }

        public Builder setCertificateFormat(CertificateFormat certificateFormat)
        {
            this.certificateFormat = certificateFormat;
            return this;
        }

        public Builder setPublicKeys(PublicKeys publicKeys)
        {
            this.publicKeys = publicKeys;
            return this;
        }

        public Builder setRequestedSubjectAttributes(CertificateSubjectAttributes requestedSubjectAttributes)
        {
            this.requestedSubjectAttributes = requestedSubjectAttributes;
            return this;
        }

        public InnerEcRequest createInnerEcRequest()
        {
            return new InnerEcRequest(itsId, certificateFormat, publicKeys, requestedSubjectAttributes);
        }
    }

}