org.bouncycastle.asn1.cms.TimeStampedDataParser Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of bcutil-jdk15to18 Show documentation

The Bouncy Castle Java APIs for ASN.1 extension and utility APIs used to support bcpkix and bctls. This jar contains APIs for JDK 1.5 to JDK 1.8.

There is a newer version: 1.78.1

Show newest version

package org.bouncycastle.asn1.cms;

import java.io.IOException;

import org.bouncycastle.asn1.ASN1Encodable;
import org.bouncycastle.asn1.ASN1IA5String;
import org.bouncycastle.asn1.ASN1Integer;
import org.bouncycastle.asn1.ASN1OctetStringParser;
import org.bouncycastle.asn1.ASN1Sequence;
import org.bouncycastle.asn1.ASN1SequenceParser;
import org.bouncycastle.asn1.DERIA5String;

/**
 * Parser for RFC 5544:
 * {@link TimeStampedData} object.
 * 
 * 
 * TimeStampedData ::= SEQUENCE {
 *   version              INTEGER { v1(1) },
 *   dataUri              IA5String OPTIONAL,
 *   metaData             MetaData OPTIONAL,
 *   content              OCTET STRING OPTIONAL,
 *   temporalEvidence     Evidence
 * }
 * 
 */
public class TimeStampedDataParser
{
    private ASN1Integer version;
    private ASN1IA5String dataUri;
    private MetaData metaData;
    private ASN1OctetStringParser content;
    private Evidence temporalEvidence;
    private ASN1SequenceParser parser;

    private TimeStampedDataParser(ASN1SequenceParser parser)
        throws IOException
    {
        this.parser = parser;
        this.version = ASN1Integer.getInstance(parser.readObject());

        ASN1Encodable obj = parser.readObject();

        if (obj instanceof ASN1IA5String)
        {
            this.dataUri = ASN1IA5String.getInstance(obj);
            obj = parser.readObject();
        }
        if (obj instanceof MetaData || obj instanceof ASN1SequenceParser)
        {
            this.metaData = MetaData.getInstance(obj.toASN1Primitive());
            obj = parser.readObject();
        }
        if (obj instanceof ASN1OctetStringParser)
        {
            this.content = (ASN1OctetStringParser)obj;
        }
    }

    public static TimeStampedDataParser getInstance(Object obj)
        throws IOException
    {
        if (obj instanceof ASN1Sequence)
        {
            return new TimeStampedDataParser(((ASN1Sequence)obj).parser());
        }
        if (obj instanceof ASN1SequenceParser)
        {
            return new TimeStampedDataParser((ASN1SequenceParser)obj);
        }

        return null;
    }

    public int getVersion()
    {
        return version.getValue().intValue();
    }

    /**
     * @deprecated Use {@link #getDataUriIA5()} instead.
     */
    public DERIA5String getDataUri()
    {
        return null == dataUri || dataUri instanceof DERIA5String
            ?   (DERIA5String)dataUri
            :   new DERIA5String(dataUri.getString(), false);
    }

    public ASN1IA5String getDataUriIA5()
    {
        return dataUri;
    }

    public MetaData getMetaData()
    {
        return metaData;
    }

    public ASN1OctetStringParser getContent()
    {
        return content;
    }

    public Evidence getTemporalEvidence()
        throws IOException
    {
        if (temporalEvidence == null)
        {
            temporalEvidence = Evidence.getInstance(parser.readObject().toASN1Primitive());
        }

        return temporalEvidence;
    }
}