1package org.bouncycastle.asn1.ocsp;
2
3import java.util.Enumeration;
4
5import org.bouncycastle.asn1.ASN1EncodableVector;
6import org.bouncycastle.asn1.ASN1GeneralizedTime;
7import org.bouncycastle.asn1.ASN1Integer;
8import org.bouncycastle.asn1.ASN1Object;
9import org.bouncycastle.asn1.ASN1Primitive;
10import org.bouncycastle.asn1.ASN1Sequence;
11import org.bouncycastle.asn1.ASN1TaggedObject;
12import org.bouncycastle.asn1.DERIA5String;
13import org.bouncycastle.asn1.DERSequence;
14import org.bouncycastle.asn1.DERTaggedObject;
15
16public class CrlID
17    extends ASN1Object
18{
19    private DERIA5String         crlUrl;
20    private ASN1Integer          crlNum;
21    private ASN1GeneralizedTime  crlTime;
22
23    private CrlID(
24        ASN1Sequence    seq)
25    {
26        Enumeration    e = seq.getObjects();
27
28        while (e.hasMoreElements())
29        {
30            ASN1TaggedObject    o = (ASN1TaggedObject)e.nextElement();
31
32            switch (o.getTagNo())
33            {
34            case 0:
35                crlUrl = DERIA5String.getInstance(o, true);
36                break;
37            case 1:
38                crlNum = ASN1Integer.getInstance(o, true);
39                break;
40            case 2:
41                crlTime = ASN1GeneralizedTime.getInstance(o, true);
42                break;
43            default:
44                throw new IllegalArgumentException(
45                        "unknown tag number: " + o.getTagNo());
46            }
47        }
48    }
49
50    public static CrlID getInstance(
51        Object  obj)
52    {
53        if (obj instanceof CrlID)
54        {
55            return (CrlID)obj;
56        }
57        else if (obj != null)
58        {
59            return new CrlID(ASN1Sequence.getInstance(obj));
60        }
61
62        return null;
63    }
64
65    public DERIA5String getCrlUrl()
66    {
67        return crlUrl;
68    }
69
70    public ASN1Integer getCrlNum()
71    {
72        return crlNum;
73    }
74
75    public ASN1GeneralizedTime getCrlTime()
76    {
77        return crlTime;
78    }
79
80    /**
81     * Produce an object suitable for an ASN1OutputStream.
82     * <pre>
83     * CrlID ::= SEQUENCE {
84     *     crlUrl               [0]     EXPLICIT IA5String OPTIONAL,
85     *     crlNum               [1]     EXPLICIT INTEGER OPTIONAL,
86     *     crlTime              [2]     EXPLICIT GeneralizedTime OPTIONAL }
87     * </pre>
88     */
89    public ASN1Primitive toASN1Primitive()
90    {
91        ASN1EncodableVector    v = new ASN1EncodableVector();
92
93        if (crlUrl != null)
94        {
95            v.add(new DERTaggedObject(true, 0, crlUrl));
96        }
97
98        if (crlNum != null)
99        {
100            v.add(new DERTaggedObject(true, 1, crlNum));
101        }
102
103        if (crlTime != null)
104        {
105            v.add(new DERTaggedObject(true, 2, crlTime));
106        }
107
108        return new DERSequence(v);
109    }
110}
111