001package org.apache.commons.ssl.org.bouncycastle.asn1.cms;
002
003import java.util.Enumeration;
004
005import org.apache.commons.ssl.org.bouncycastle.asn1.ASN1EncodableVector;
006import org.apache.commons.ssl.org.bouncycastle.asn1.ASN1Object;
007import org.apache.commons.ssl.org.bouncycastle.asn1.ASN1Primitive;
008import org.apache.commons.ssl.org.bouncycastle.asn1.ASN1Sequence;
009import org.apache.commons.ssl.org.bouncycastle.asn1.ASN1TaggedObject;
010import org.apache.commons.ssl.org.bouncycastle.asn1.DERSequence;
011
012/**
013 * <a href="http://tools.ietf.org/html/rfc5544">RFC 5544</a>
014 * Binding Documents with Time-Stamps; TimeStampTokenEvidence object.
015 * <pre>
016 * TimeStampTokenEvidence ::=
017 *    SEQUENCE SIZE(1..MAX) OF TimeStampAndCRL
018 * </pre>
019 */
020public class TimeStampTokenEvidence
021    extends ASN1Object
022{
023    private TimeStampAndCRL[] timeStampAndCRLs;
024
025    public TimeStampTokenEvidence(TimeStampAndCRL[] timeStampAndCRLs)
026    {
027        this.timeStampAndCRLs = timeStampAndCRLs;
028    }
029
030    public TimeStampTokenEvidence(TimeStampAndCRL timeStampAndCRL)
031    {
032        this.timeStampAndCRLs = new TimeStampAndCRL[1];
033
034        timeStampAndCRLs[0] = timeStampAndCRL;
035    }
036
037    private TimeStampTokenEvidence(ASN1Sequence seq)
038    {
039        this.timeStampAndCRLs = new TimeStampAndCRL[seq.size()];
040
041        int count = 0;
042
043        for (Enumeration en = seq.getObjects(); en.hasMoreElements();)
044        {
045            timeStampAndCRLs[count++] = TimeStampAndCRL.getInstance(en.nextElement());
046        }
047    }
048
049    public static TimeStampTokenEvidence getInstance(ASN1TaggedObject tagged, boolean explicit)
050    {
051        return getInstance(ASN1Sequence.getInstance(tagged, explicit));
052    }
053
054    /**
055     * Return a TimeStampTokenEvidence object from the given object.
056     * <p>
057     * Accepted inputs:
058     * <ul>
059     * <li> null &rarr; null
060     * <li> {@link TimeStampTokenEvidence} object
061     * <li> {@link org.bouncycastle.asn1.ASN1Sequence#getInstance(java.lang.Object) ASN1Sequence} input formats with TimeStampTokenEvidence structure inside
062     * </ul>
063     *
064     * @param obj the object we want converted.
065     * @exception IllegalArgumentException if the object cannot be converted.
066     */
067    public static TimeStampTokenEvidence getInstance(Object obj)
068    {
069        if (obj instanceof TimeStampTokenEvidence)
070        {
071            return (TimeStampTokenEvidence)obj;
072        }
073        else if (obj != null)
074        {
075            return new TimeStampTokenEvidence(ASN1Sequence.getInstance(obj));
076        }
077
078        return null;
079    }
080
081    public TimeStampAndCRL[] toTimeStampAndCRLArray()
082    {
083        return timeStampAndCRLs;
084    }
085    
086    public ASN1Primitive toASN1Primitive()
087    {
088        ASN1EncodableVector v = new ASN1EncodableVector();
089
090        for (int i = 0; i != timeStampAndCRLs.length; i++)
091        {
092            v.add(timeStampAndCRLs[i]);
093        }
094
095        return new DERSequence(v);
096    }
097
098}