public static async Task <TSyndicationItem> LoadAsync <TSyndicationItem>(XmlReader reader)
where TSyndicationItem : SyndicationItem, new()
{
if (reader == null)
{
throw new ArgumentNullException(nameof(reader));
}
Atom10ItemFormatter <TSyndicationItem> atomSerializer = new Atom10ItemFormatter <TSyndicationItem>();
if (atomSerializer.CanRead(reader))
{
atomSerializer.ReadFrom(reader);
return(atomSerializer.Item as TSyndicationItem);
}
Rss20ItemFormatter <TSyndicationItem> rssSerializer = new Rss20ItemFormatter <TSyndicationItem>();
if (rssSerializer.CanRead(reader))
{
await rssSerializer.ReadFromAsync(reader).ConfigureAwait(false);
return(rssSerializer.Item as TSyndicationItem);
}
throw new XmlException(SR.Format(SR.UnknownItemXml, reader.LocalName, reader.NamespaceURI));
}
public static TSyndicationItem Load <TSyndicationItem>(XmlReader reader) where TSyndicationItem : SyndicationItem, new()
{
if (reader == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("reader");
}
Atom10ItemFormatter <TSyndicationItem> formatter = new Atom10ItemFormatter <TSyndicationItem>();
if (formatter.CanRead(reader))
{
formatter.ReadFrom(reader);
return(formatter.Item as TSyndicationItem);
}
Rss20ItemFormatter <TSyndicationItem> formatter2 = new Rss20ItemFormatter <TSyndicationItem>();
if (!formatter2.CanRead(reader))
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new XmlException(System.ServiceModel.SR.GetString("UnknownItemXml", new object[] { reader.LocalName, reader.NamespaceURI })));
}
formatter2.ReadFrom(reader);
return(formatter2.Item as TSyndicationItem);
}
public static TSyndicationItem Load <TSyndicationItem>(XmlReader reader)
where TSyndicationItem : SyndicationItem, new()
{
if (reader == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull(nameof(reader));
}
Atom10ItemFormatter <TSyndicationItem> atomSerializer = new Atom10ItemFormatter <TSyndicationItem>();
if (atomSerializer.CanRead(reader))
{
atomSerializer.ReadFrom(reader);
return(atomSerializer.Item as TSyndicationItem);
}
Rss20ItemFormatter <TSyndicationItem> rssSerializer = new Rss20ItemFormatter <TSyndicationItem>();
if (rssSerializer.CanRead(reader))
{
rssSerializer.ReadFrom(reader);
return(rssSerializer.Item as TSyndicationItem);
}
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new XmlException(SR.Format(SR.UnknownItemXml, reader.LocalName, reader.NamespaceURI)));
}
public void CanRead ()
{
Rss20ItemFormatter f = new Rss20ItemFormatter ();
Assert.IsFalse (f.CanRead (CreateReader ("<rss>")), "#1");
Assert.IsTrue (f.CanRead (CreateReader ("<item>")), "#2");
Assert.IsFalse (f.CanRead (CreateReader ("<item xmlns='urn:foo'>")), "#3");
Assert.IsFalse (f.CanRead (CreateReader ("<entry xmlns='http://www.w3.org/2005/Atom'>")), "#4");
Assert.IsFalse (f.CanRead (CreateReader ("<hoge>")), "#5");
XmlReader r = CreateReader ("<item></item>");
r.Read (); // element
r.Read (); // endelement
Assert.IsFalse (f.CanRead (r), "#6");
r = CreateReader ("<item><title>test</title></item>");
r.Read (); // item
r.Read (); // title
Assert.IsFalse (f.CanRead (r), "#7");
}