IssuerSerial.java

/**
 *
 * Copyright 2003-2004 The Apache Software Foundation
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */

package org.apache.geronimo.util.asn1.x509;

import org.apache.geronimo.util.asn1.ASN1Encodable;
import org.apache.geronimo.util.asn1.ASN1EncodableVector;
import org.apache.geronimo.util.asn1.ASN1Sequence;
import org.apache.geronimo.util.asn1.ASN1TaggedObject;
import org.apache.geronimo.util.asn1.DERBitString;
import org.apache.geronimo.util.asn1.DERInteger;
import org.apache.geronimo.util.asn1.DERObject;
import org.apache.geronimo.util.asn1.DERSequence;

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

    public static IssuerSerial getInstance(
            Object  obj)
    {
        if (obj == null || obj instanceof GeneralNames)
        {
            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)
    {
        issuer = GeneralNames.getInstance(seq.getObjectAt(0));
        serial = (DERInteger)seq.getObjectAt(1);

        if (seq.size() == 3)
        {
            issuerUID = (DERBitString)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.
     * <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);
    }
}