/// <summary>
/// Parse child tag
/// </summary>
protected override ITlvTag ParseChild(ITlvTag childTag)
{
switch (childTag.Type)
{
case Constants.PublicationsFileHeader.TagType:
_headerIndex = Count;
return(_publicationsHeader = childTag as PublicationsFileHeader ?? new PublicationsFileHeader(childTag));
case Constants.CertificateRecord.TagType:
_lastCertRecordIndex = Count;
CertificateRecord certificateRecord = childTag as CertificateRecord ?? new CertificateRecord(childTag);
_certificateRecordList.Add(certificateRecord);
return(certificateRecord);
case Constants.PublicationRecord.TagTypeInPublicationsFile:
if (_firstPublicationRecordIndex == 0)
{
_firstPublicationRecordIndex = Count;
}
PublicationRecordInPublicationFile publicationRecord = childTag as PublicationRecordInPublicationFile ?? new PublicationRecordInPublicationFile(childTag);
_publicationRecordList.Add(publicationRecord);
return(publicationRecord);
case Constants.PublicationsFile.CmsSignatureTagType:
_cmsSignatureIndex = Count;
return(_cmsSignature = GetRawTag(childTag));
default:
return(base.ParseChild(childTag));
}
}
/// <summary>
/// Get latest publication record.
/// </summary>
/// <returns>publication record</returns>
public PublicationRecordInPublicationFile GetLatestPublication()
{
PublicationRecordInPublicationFile latest = null;
foreach (PublicationRecordInPublicationFile publicationRecord in _publicationRecordList)
{
if (latest == null)
{
latest = publicationRecord;
continue;
}
if (publicationRecord.PublicationData.PublicationTime.CompareTo(latest.PublicationData.PublicationTime) > 0)
{
latest = publicationRecord;
}
}
return(latest);
}
/// <summary>
/// Convert publications file to string.
/// </summary>
/// <returns>publications file as string</returns>
public override string ToString()
{
StringBuilder builder = new StringBuilder();
builder.Append("Publications file");
builder.Append(", created: ").Append(_publicationsHeader.CreationTime);
PublicationRecordInPublicationFile latestPublication = GetLatestPublication();
if (latestPublication != null)
{
builder.Append(", last publication: ").Append(latestPublication.PublicationData.PublicationTime);
}
if (_publicationsHeader.RepositoryUri != null)
{
builder.Append(", published at: ").Append(_publicationsHeader.RepositoryUri);
}
return(builder.ToString());
}
/// <summary>
/// Get nearest publication record subsequent to given time.
/// </summary>
/// <param name="time">time</param>
/// <returns>publication record closest to time</returns>
public PublicationRecordInPublicationFile GetNearestPublicationRecord(ulong time)
{
PublicationRecordInPublicationFile nearestPublicationRecord = null;
foreach (PublicationRecordInPublicationFile publicationRecord in _publicationRecordList)
{
ulong publicationTime = publicationRecord.PublicationData.PublicationTime;
if (publicationTime < time)
{
continue;
}
if (nearestPublicationRecord == null)
{
nearestPublicationRecord = publicationRecord;
}
else if (publicationTime < nearestPublicationRecord.PublicationData.PublicationTime)
{
nearestPublicationRecord = publicationRecord;
}
}
return(nearestPublicationRecord);
}
