import org.bouncycastle.asn1.ASN1SequenceParser; //导入依赖的package包/类
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;
    }
}
 

import org.bouncycastle.asn1.ASN1SequenceParser; //导入依赖的package包/类
public OriginatorInfo getOriginatorInfo()
    throws IOException
{
    originatorInfoCalled = true;

    if (nextObject == null)
    {
        nextObject = seq.readObject();
    }

    if (nextObject instanceof ASN1TaggedObjectParser && ((ASN1TaggedObjectParser)nextObject).getTagNo() == 0)
    {
        ASN1SequenceParser originatorInfo = (ASN1SequenceParser) ((ASN1TaggedObjectParser)nextObject).getObjectParser(BERTags.SEQUENCE, false);
        nextObject = null;
        return OriginatorInfo.getInstance(originatorInfo.toASN1Primitive());
    }

    return null;
}
 

import org.bouncycastle.asn1.ASN1SequenceParser; //导入依赖的package包/类
public EncryptedContentInfoParser getAuthEncryptedContentInfo() 
    throws IOException
{
    if (nextObject == null)
    {
        nextObject = seq.readObject();
    }

    if (nextObject != null)
    {
        ASN1SequenceParser o = (ASN1SequenceParser) nextObject;
        nextObject = null;
        return new EncryptedContentInfoParser(o);
    }

    return null;
}
 

import org.bouncycastle.asn1.ASN1SequenceParser; //导入依赖的package包/类
public OriginatorInfo getOriginatorInfo() 
    throws IOException
{
    _originatorInfoCalled = true; 
    
    if (_nextObject == null)
    {
        _nextObject = _seq.readObject();
    }
    
    if (_nextObject instanceof ASN1TaggedObjectParser && ((ASN1TaggedObjectParser)_nextObject).getTagNo() == 0)
    {
        ASN1SequenceParser originatorInfo = (ASN1SequenceParser) ((ASN1TaggedObjectParser)_nextObject).getObjectParser(BERTags.SEQUENCE, false);
        _nextObject = null;
        return OriginatorInfo.getInstance(originatorInfo.toASN1Primitive());
    }
    
    return null;
}
 

import org.bouncycastle.asn1.ASN1SequenceParser; //导入依赖的package包/类
public EncryptedContentInfoParser getEncryptedContentInfo() 
    throws IOException
{
    if (_nextObject == null)
    {
        _nextObject = _seq.readObject();
    }
    
    
    if (_nextObject != null)
    {
        ASN1SequenceParser o = (ASN1SequenceParser) _nextObject;
        _nextObject = null;
        return new EncryptedContentInfoParser(o);
    }
    
    return null;
}
 

import org.bouncycastle.asn1.ASN1SequenceParser; //导入依赖的package包/类
public AlgorithmIdentifier getMacAlgorithm()
    throws IOException
{
    if (nextObject == null)
    {
        nextObject = seq.readObject();
    }

    if (nextObject != null)
    {
        ASN1SequenceParser o = (ASN1SequenceParser)nextObject;
        nextObject = null;
        return AlgorithmIdentifier.getInstance(o.toASN1Primitive());
    }

    return null;
}
 

import org.bouncycastle.asn1.ASN1SequenceParser; //导入依赖的package包/类
public ContentInfoParser getEnapsulatedContentInfo()
    throws IOException
{
    if (nextObject == null)
    {
        nextObject = seq.readObject();
    }

    if (nextObject != null)
    {
        ASN1SequenceParser o = (ASN1SequenceParser)nextObject;
        nextObject = null;
        return new ContentInfoParser(o);
    }

    return null;
}
 

import org.bouncycastle.asn1.ASN1SequenceParser; //导入依赖的package包/类
/**
 * @deprecated  use getContent(InputExpandedProvider)
 */
public CMSTypedStream  getContent()
    throws CMSException
{
    try
    {
        CompressedDataParser  comData = new CompressedDataParser((ASN1SequenceParser)_contentInfo.getContent(BERTags.SEQUENCE));
        ContentInfoParser     content = comData.getEncapContentInfo();

        ASN1OctetStringParser bytes = (ASN1OctetStringParser)content.getContent(BERTags.OCTET_STRING);

        return new CMSTypedStream(content.getContentType().toString(), new InflaterInputStream(bytes.getOctetStream()));
    }
    catch (IOException e)
    {
        throw new CMSException("IOException reading compressed content.", e);
    }
}
 

import org.bouncycastle.asn1.ASN1SequenceParser; //导入依赖的package包/类
public EncryptedContentInfoParser getAuthEncryptedContentInfo()
    throws IOException
{
    if (nextObject == null)
    {
        nextObject = seq.readObject();
    }

    if (nextObject != null)
    {
        ASN1SequenceParser o = (ASN1SequenceParser) nextObject;
        nextObject = null;
        authEncryptedContentInfoParser = new EncryptedContentInfoParser(o);
        return authEncryptedContentInfoParser;
    }

    return null;
}
 

import org.bouncycastle.asn1.ASN1SequenceParser; //导入依赖的package包/类
public ContentInfoParser getEncapsulatedContentInfo()
    throws IOException
{
    if (nextObject == null)
    {
        nextObject = seq.readObject();
    }

    if (nextObject != null)
    {
        ASN1SequenceParser o = (ASN1SequenceParser)nextObject;
        nextObject = null;
        return new ContentInfoParser(o);
    }

    return null;
}
 

import org.bouncycastle.asn1.ASN1SequenceParser; //导入依赖的package包/类
/**
 * Return a typed stream which will allow the reading of the compressed content in
 * expanded form.
 *
 * @param expanderProvider a provider of expander algorithm implementations.
 * @return a type stream which will yield the un-compressed content.
 * @throws CMSException if there is an exception parsing the CompressedData object.
 */
public CMSTypedStream  getContent(InputExpanderProvider expanderProvider)
    throws CMSException
{
    try
    {
        CompressedDataParser  comData = new CompressedDataParser((ASN1SequenceParser)_contentInfo.getContent(BERTags.SEQUENCE));
        ContentInfoParser     content = comData.getEncapContentInfo();
        InputExpander expander = expanderProvider.get(comData.getCompressionAlgorithmIdentifier());

        ASN1OctetStringParser bytes = (ASN1OctetStringParser)content.getContent(BERTags.OCTET_STRING);

        return new CMSTypedStream(content.getContentType().getId(), expander.getInputStream(bytes.getOctetStream()));
    }
    catch (IOException e)
    {
        throw new CMSException("IOException reading compressed content.", e);
    }
}