package org.bouncycastle.asn1.x509;

import org.bouncycastle.asn1.ASN1Encodable;
import org.bouncycastle.asn1.ASN1EncodableVector;
import org.bouncycastle.asn1.ASN1Sequence;
import org.bouncycastle.asn1.ASN1TaggedObject;
import org.bouncycastle.asn1.DERBitString;
import org.bouncycastle.asn1.DERInteger;
import org.bouncycastle.asn1.DERObject;
import org.bouncycastle.asn1.DERSequence;

public class IssuerSerial
    extends ASN1Encodable
{
    GeneralNames            issuer;
    DERInteger              serial;
    DERBitString            issuerUID;

    public static IssuerSerial getInstance(
            Object  obj)
    {
        if (obj == null || obj instanceof IssuerSerial)
        {
            return (IssuerSerial)obj;
        }

        if (obj instanceof ASN1Sequence)
        {
            return new IssuerSerial((ASN1Sequence)obj);
        }

        throw new IllegalArgumentException("illegal object in getInstance: " + obj.getClass().getName());
    }

    public static IssuerSerial getInstance(
        ASN1TaggedObject obj,
        boolean          explicit)
    {
        return getInstance(ASN1Sequence.getInstance(obj, explicit));
    }
    
    public IssuerSerial(
        ASN1Sequence    seq)
    {
        if (seq.size() != 2 && seq.size() != 3)
        {
            throw new IllegalArgumentException("Bad sequence size: " + seq.size());
        }
        
        issuer = GeneralNames.getInstance(seq.getObjectAt(0));
        serial = DERInteger.getInstance(seq.getObjectAt(1));

        if (seq.size() == 3)
        {
            issuerUID = DERBitString.getInstance(seq.getObjectAt(2));
        }
    }
    
    public IssuerSerial(
        GeneralNames    issuer,
        DERInteger      serial)
    {
        this.issuer = issuer;
        this.serial = serial;
    }

    public GeneralNames getIssuer()
    {
        return issuer;
    }

    public DERInteger getSerial()
    {
        return serial;
    }

    public DERBitString getIssuerUID()
    {
        return issuerUID;
    }

    
Produce an object suitable for an ASN1OutputStream.
 IssuerSerial  ::=  SEQUENCE {
      issuer         GeneralNames,
      serial         CertificateSerialNumber,
      issuerUID      UniqueIdentifier OPTIONAL
 }
/** * Produce an object suitable for an ASN1OutputStream. * <pre> * IssuerSerial ::= SEQUENCE { * issuer GeneralNames, * serial CertificateSerialNumber, * issuerUID UniqueIdentifier OPTIONAL * } * </pre> */
public DERObject toASN1Object() { ASN1EncodableVector v = new ASN1EncodableVector(); v.add(issuer); v.add(serial); if (issuerUID != null) { v.add(issuerUID); } return new DERSequence(v); } }