package org.bouncycastle.asn1.cms;

import java.io.IOException;

import org.bouncycastle.asn1.ASN1Encodable;
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: TimeStampedData object.

TimeStampedData ::= SEQUENCE {
  version              INTEGER { v1(1) },
  dataUri              IA5String OPTIONAL,
  metaData             MetaData OPTIONAL,
  content              OCTET STRING OPTIONAL,
  temporalEvidence     Evidence
}
/** * Parser for <a href="http://tools.ietf.org/html/rfc5544">RFC 5544</a>: * {@link TimeStampedData} object. * <p> * <pre> * TimeStampedData ::= SEQUENCE { * version INTEGER { v1(1) }, * dataUri IA5String OPTIONAL, * metaData MetaData OPTIONAL, * content OCTET STRING OPTIONAL, * temporalEvidence Evidence * } * </pre> */
public class TimeStampedDataParser { private ASN1Integer version; private DERIA5String 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 DERIA5String) { this.dataUri = DERIA5String.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 DERIA5String getDataUri() { 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; } }