private void ProcessFile()
{
if (_webLink.IsDeleted) // if favorite resource was deleted then do nothing
{
return;
}
FileInfo fileInfo = _reader.fileInfo;
Stream readStream = _reader.ReadStream;
using ( readStream )
{
DateTime lastWriteTime = IOTools.GetLastWriteTime(fileInfo);
if (!_webLink.HasProp("LastModified") || lastWriteTime > LastModified() ||
_webLink.HasProp(Core.Props.LastError))
{
bool isShowed = BookmarkService.BookmarkSynchronizationFrequency(_webLink) > 0;
IResource formatFile = _webLink.GetLinkProp("Source");
_webLink.BeginUpdate();
if (formatFile != null)
{
formatFile.BeginUpdate();
}
else
{
string resourceType = Core.FileResourceManager.GetResourceTypeByExtension(fileInfo.Extension);
if (resourceType == null)
{
resourceType = "UnknownFile";
}
formatFile = Core.ResourceStore.BeginNewResource(resourceType);
_webLink.AddLink("Source", formatFile);
}
if (_webLink.HasProp(Core.Props.LastError))
{
SetLastError(null);
}
_webLink.SetProp("LastModified", lastWriteTime);
formatFile.SetProp(Core.Props.Size, (int)readStream.Length);
formatFile.SetProp(FavoritesPlugin._propContent, readStream);
if (isShowed)
{
formatFile.SetProp(Core.Props.Date, lastWriteTime);
formatFile.SetProp(FavoritesPlugin._propIsUnread, true);
Core.FilterEngine.ExecRules(StandardEvents.ResourceReceived, _webLink);
}
if (formatFile.Type != "UnknownFile")
{
Core.TextIndexManager.QueryIndexing(formatFile.Id);
}
_webLink.EndUpdate();
formatFile.EndUpdate();
}
}
}
private void ProcessWebLink()
{
Stream readStream = _reader.ReadStream;
if (readStream == null || _webLink.IsDeleted) // if favorite resource was deleted then do nothing
{
return;
}
int propContent = FavoritesPlugin._propContent;
HttpWebResponse response = _reader.WebResponse;
// check whether http stream differs from earlier saved one
bool differs = true;
///////////////////////////////////////////////////////////////////////////////
/// the following if statement is a workaround over invalid processing by
/// HttpReader the Not-Modified-Since header. .NET 1.1 was throwing the
/// exception if content not modified, .NET 1.1 SP1 just returns empty stream
///////////////////////////////////////////////////////////////////////////////
if (readStream.Length == 0 && !_webLink.HasProp(Core.Props.LastError))
{
return;
}
IResource formatFile = _webLink.GetLinkProp("Source");
if (formatFile != null && formatFile.HasProp(propContent))
{
Stream savedStream = formatFile.GetBlobProp(propContent);
using ( savedStream )
{
if (savedStream.Length == readStream.Length)
{
differs = false;
for (int i = 0; i < readStream.Length; ++i)
{
if (( byte )savedStream.ReadByte() != ( byte )readStream.ReadByte())
{
readStream.Position = 0;
differs = true;
break;
}
}
}
}
}
if (differs)
{
DateTime lastModified = GetLastModified(response);
bool isShowed = BookmarkService.BookmarkSynchronizationFrequency(_webLink) > 0;
// content changed, so set properties and proceed with indexing
string resourceType = "UnknownFile";
if (!String.IsNullOrEmpty(response.ContentType))
{
resourceType = (Core.FileResourceManager as FileResourceManager).GetResourceTypeByContentType(response.ContentType);
if (resourceType == null)
{
resourceType = "UnknownFile";
}
}
_webLink.BeginUpdate();
if (formatFile != null)
{
formatFile.BeginUpdate();
if (resourceType != "UnknownFile" && formatFile.Type != resourceType)
{
formatFile.ChangeType(resourceType);
}
}
else
{
formatFile = Core.ResourceStore.BeginNewResource(resourceType);
_webLink.AddLink("Source", formatFile);
}
if (_webLink.HasProp(Core.Props.LastError))
{
SetLastError(null);
}
_webLink.SetProp("LastModified", lastModified);
string redirectedUrl = _reader.RedirectUrl;
if (redirectedUrl != null && redirectedUrl.Length > 0)
{
_webLink.SetProp(FavoritesPlugin._propURL, redirectedUrl);
}
if (_reader.ETag.Length > 0)
{
_webLink.SetProp(FavoritesPlugin._propETag, _reader.ETag);
}
// try to get charset from content-type or from content itself
string charset = _reader.CharacterSet;
if (charset != null)
{
_webLink.SetProp(Core.FileResourceManager.PropCharset, charset);
}
formatFile.SetProp(Core.Props.Size, (int)readStream.Length);
formatFile.SetProp(propContent, readStream);
if (isShowed)
{
formatFile.SetProp(Core.Props.Date, lastModified);
formatFile.SetProp(FavoritesPlugin._propIsUnread, true);
Core.FilterEngine.ExecRules(StandardEvents.ResourceReceived, _webLink);
}
if (formatFile.Type != "UnknownFile")
{
Core.TextIndexManager.QueryIndexing(formatFile.Id);
}
_webLink.EndUpdate();
formatFile.EndUpdate();
}
}