private async Task <ISyndicationItem> ReadItem(Rss20FeedReader reader)
{
ISyndicationItem item = null;
if (_sizeOfItem == 0)
{
//The size of the item has not been read.
ISyndicationContent content = await reader.ReadContent();
//_sizeOfItem = Encoding.UTF8.GetByteCount(content.RawContent);
_sizeOfItem = 291; // content.RawContent.Length;
Rss20FeedParser parser = reader.Parser as Rss20FeedParser;
item = parser.CreateItem(content);
}
else
{
item = await reader.ReadItem();
}
return(item);
}
public static async Task ReadFeed()
{
using (XmlReader xmlReader = XmlReader.Create(@"..\DemoTest1\TestFeeds\rss20.xml", new XmlReaderSettings()
{
Async = true
}))
using (XmlWriter xmlWriter = XmlWriter.Create(Console.Out, new XmlWriterSettings()
{
Indent = true, Async = true
}))
{
Rss20FeedReader reader = new Rss20FeedReader(xmlReader);
Rss20FeedWriter writer = new Rss20FeedWriter(xmlWriter);
while (await reader.Read())
{
switch (reader.ElementType)
{
case SyndicationElementType.Category:
ISyndicationCategory category = await reader.ReadCategory();
await writer.Write(category);
break;
case SyndicationElementType.Image:
ISyndicationImage image = await reader.ReadImage();
await writer.Write(image);
break;
case SyndicationElementType.Item:
ISyndicationItem item = await reader.ReadItem();
await writer.Write(item);
break;
case SyndicationElementType.Link:
ISyndicationLink link = await reader.ReadLink();
await writer.Write(link);
break;
case SyndicationElementType.Person:
ISyndicationPerson person = await reader.ReadPerson();
await writer.Write(person);
break;
default:
ISyndicationContent content = await reader.ReadContent();
await writer.Write(content);
break;
}
xmlWriter.Flush();
// Simulate a slow stream.
Thread.Sleep(300);
}
}
}