1package org.bouncycastle.asn1.x509;
2
3import java.math.BigInteger;
4
5import org.bouncycastle.asn1.ASN1EncodableVector;
6import org.bouncycastle.asn1.ASN1Integer;
7import org.bouncycastle.asn1.ASN1Object;
8import org.bouncycastle.asn1.ASN1Primitive;
9import org.bouncycastle.asn1.ASN1Sequence;
10import org.bouncycastle.asn1.ASN1TaggedObject;
11import org.bouncycastle.asn1.DERBitString;
12import org.bouncycastle.asn1.DERSequence;
13
14public class IssuerSerial
15    extends ASN1Object
16{
17    GeneralNames            issuer;
18    ASN1Integer              serial;
19    DERBitString            issuerUID;
20
21    public static IssuerSerial getInstance(
22            Object  obj)
23    {
24        if (obj instanceof IssuerSerial)
25        {
26            return (IssuerSerial)obj;
27        }
28
29        if (obj != null)
30        {
31            return new IssuerSerial(ASN1Sequence.getInstance(obj));
32        }
33
34        return null;
35    }
36
37    public static IssuerSerial getInstance(
38        ASN1TaggedObject obj,
39        boolean          explicit)
40    {
41        return getInstance(ASN1Sequence.getInstance(obj, explicit));
42    }
43
44    private IssuerSerial(
45        ASN1Sequence    seq)
46    {
47        if (seq.size() != 2 && seq.size() != 3)
48        {
49            throw new IllegalArgumentException("Bad sequence size: " + seq.size());
50        }
51
52        issuer = GeneralNames.getInstance(seq.getObjectAt(0));
53        serial = ASN1Integer.getInstance(seq.getObjectAt(1));
54
55        if (seq.size() == 3)
56        {
57            issuerUID = DERBitString.getInstance(seq.getObjectAt(2));
58        }
59    }
60
61    public IssuerSerial(
62        GeneralNames    issuer,
63        BigInteger serial)
64    {
65        this(issuer, new ASN1Integer(serial));
66    }
67
68    public IssuerSerial(
69        GeneralNames    issuer,
70        ASN1Integer      serial)
71    {
72        this.issuer = issuer;
73        this.serial = serial;
74    }
75
76    public GeneralNames getIssuer()
77    {
78        return issuer;
79    }
80
81    public ASN1Integer getSerial()
82    {
83        return serial;
84    }
85
86    public DERBitString getIssuerUID()
87    {
88        return issuerUID;
89    }
90
91    /**
92     * Produce an object suitable for an ASN1OutputStream.
93     * <pre>
94     *  IssuerSerial  ::=  SEQUENCE {
95     *       issuer         GeneralNames,
96     *       serial         CertificateSerialNumber,
97     *       issuerUID      UniqueIdentifier OPTIONAL
98     *  }
99     * </pre>
100     */
101    public ASN1Primitive toASN1Primitive()
102    {
103        ASN1EncodableVector  v = new ASN1EncodableVector();
104
105        v.add(issuer);
106        v.add(serial);
107
108        if (issuerUID != null)
109        {
110            v.add(issuerUID);
111        }
112
113        return new DERSequence(v);
114    }
115}
116