/// <summary>
/// Initialisiert eine neue Instanz der Atomeed Klasse.
/// Alle Eigenschaften haben danach ihren Standartwert zugewiesen.
/// </summary>
public AtomFeed()
{
Title = new AtomFeedText();
SubTitle = new AtomFeedText();
ID = "";
Links = new List <AtomFeedLink>();
Generator = new AtomFeedGenerator();
Logo = "";
Authors = new List <AtomFeedArticlePerson>();
}
private void SetDocument(XDocument doc)
{
XNamespace ns = @"http://www.w3.org/2005/Atom";
XElement el = doc.Descendants(ns + "feed").Count() == 1
? doc.Descendants(ns + "feed").Single()
: null;
if (el == null)
{
throw new InvalidCastException("Invalid Atom file");
}
//<feed xml:lang="..." xmlns="...">...</feed>
if (el.Attributes(XNamespace.Xml + "lang").Count() == 1)
{
Language = new CultureInfo(el.Attributes(XNamespace.Xml + "lang").Single().Value);
}
//<title>...</title>
if (el.Elements(ns + "title").Count() == 1)
{
Title = new AtomFeedText()
{
Text = el.Elements(ns + "title").Single().Value,
Type = el.Elements(ns + "title").Attributes("type").Count() == 1 ? el.Elements(ns + "title").Attributes("type").Single().Value : "",
}
}
;
else
{
throw new InvalidCastException("Invalid Atom file.\title do not exists.");
}
//<subtitle>...</subtitle>
if (el.Elements(ns + "subtitle").Count() == 1)
{
SubTitle = new AtomFeedText()
{
Text = el.Elements(ns + "subtitle").Single().Value,
Type = el.Elements(ns + "subtitle").Attributes("type").Count() == 1 ? el.Elements(ns + "subtitle").Attributes("type").Single().Value : "",
}
}
;
else
{
throw new InvalidCastException("Invalid Atom file.\nsubtitle do not exists.");
}
//<updated>...</updated>
if (el.Elements(ns + "updated").Count() == 1)
{
Published = DateTime.Parse(el.Elements(ns + "updated").Single().Value);
}
//<id>MyFeed</id>
if (el.Elements(ns + "id").Count() == 1)
{
ID = el.Elements(ns + "id").Single().Value;
}
//<link>...</link>
Links = (from x in el.Elements(ns + "link")
select new AtomFeedLink()
{
Target = x.Attributes("href").Count() == 1 ? x.Attributes("href").Single().Value : "",
TargetLanguage = x.Attributes("hreflang").Count() == 1 ? x.Attributes("hreflang").Single().Value : "",
Type = x.Attributes("type").Count() == 1 ? x.Attributes("type").Single().Value : "",
Relation = x.Attributes("rel").Count() == 1 ? x.Attributes("rel").Single().Value : "",
Length = x.Attributes("length").Count() == 1 ? ulong.Parse(x.Attributes("length").Single().Value) : ulong.MinValue,
}).ToList();
//<rights>Copyright (c) 2012</rights>
if (el.Elements(ns + "rights").Count() == 1)
{
Copyrights = el.Elements(ns + "rights").Single().Value;
}
//<generator url="..." version="...">...</generator>
if (el.Elements(ns + "generator").Count() == 1)
{
Generator = new AtomFeedGenerator()
{
Name = el.Elements(ns + "generator").Single().Value,
Version = el.Elements(ns + "generator").Single().Attributes("version").Count() == 1 ? Version.Parse(el.Elements(ns + "generator").Single().Attributes("version").Single().Value) : new Version(0, 0, 0, 0),
Url = el.Elements(ns + "generator").Single().Attributes("uri").Count() == 1 ? el.Elements(ns + "generator").Single().Attributes("uri").Single().Value : "",
}
}
;
//<author><name>MyName</name></author>
Authors = (from c in el.Elements(ns + "author")
select new AtomFeedArticlePerson()
{
EMail = c.Elements(ns + "email").Count() == 1 ? c.Elements(ns + "email").Single().Value : "",
Name = c.Elements(ns + "name").Count() == 1 ? c.Elements(ns + "name").Single().Value : "",
Uri = c.Elements(ns + "uri").Count() == 1 ? c.Elements(ns + "uri").Single().Value : "",
}).ToList();
//<logo>MyName</logo>
if (el.Elements(ns + "logo").Count() == 1)
{
Logo = el.Elements(ns + "logo").Single().Value;
}
//<entry>...</entry>
Articles = (from x in el.Elements(ns + "entry")
select(FeedArticleBase) new AtomFeedArticle()
{
Title = x.Elements(ns + "title").Count() == 1 ? x.Elements(ns + "title").Single().Value : "",
ID = x.Elements(ns + "id").Count() == 1 ? x.Elements(ns + "id").Single().Value : "",
Published = x.Elements(ns + "published").Count() == 1 ? DateTime.Parse(x.Elements(ns + "published").Single().Value) : DateTime.MinValue,
Updated = x.Elements(ns + "updated").Count() == 1 ? DateTime.Parse(x.Elements(ns + "updated").Single().Value) : DateTime.MinValue,
Authors = (from c in x.Elements(ns + "author")
select new AtomFeedArticlePerson()
{
EMail = c.Elements(ns + "email").Count() == 1 ? c.Elements(ns + "email").Single().Value : "",
Name = c.Elements(ns + "name").Count() == 1 ? c.Elements(ns + "name").Single().Value : "",
Uri = c.Elements(ns + "uri").Count() == 1 ? c.Elements(ns + "uri").Single().Value : "",
}).ToList(),
Contributors = (from c in x.Elements(ns + "contributor")
select new AtomFeedArticlePerson()
{
EMail = c.Elements(ns + "email").Count() == 1 ? c.Elements(ns + "email").Single().Value : "",
Name = c.Elements(ns + "name").Count() == 1 ? c.Elements(ns + "name").Single().Value : "",
Uri = c.Elements(ns + "uri").Count() == 1 ? c.Elements(ns + "uri").Single().Value : "",
}).ToList(),
Links = (from c in x.Elements(ns + "link")
select new AtomFeedLink()
{
Target = c.Attributes("href").Count() == 1 ? c.Attributes("href").Single().Value : "",
TargetLanguage = c.Attributes("hreflang").Count() == 1 ? c.Attributes("hreflang").Single().Value : "",
Type = c.Attributes("type").Count() == 1 ? c.Attributes("type").Single().Value : "",
Relation = c.Attributes("rel").Count() == 1 ? c.Attributes("rel").Single().Value : "",
Length = c.Attributes("length").Count() == 1 ? ulong.Parse(c.Attributes("length").Single().Value) : ulong.MinValue,
}).ToList(),
Categories = (from c in x.Elements(ns + "category")
select new AtomFeedCategory()
{
CategoryName = c.Attributes("label").Count() == 1 ? c.Attributes("label").Single().Value : "",
Term = c.Attributes("term").Count() == 1 ? c.Attributes("term").Single().Value : "",
}).ToList(),
Content = new AtomFeedText()
{
Type = x.Elements(ns + "content").Count() == 1 ? x.Elements(ns + "content").Single().Attributes("type").Count() == 1 ? x.Elements(ns + "content").Single().Attributes("type").Single().Value : "" : "",
Text = x.Elements(ns + "content").Count() == 1
//? x.Elements(ns + "content").Single().HasElements
? x.Elements(ns + "content").Single().FirstNode.NodeType == XmlNodeType.Text || x.Elements(ns + "content").Single().FirstNode.NodeType == XmlNodeType.CDATA
? x.Elements(ns + "content").Single().Value
: string.Join("", x.Elements(ns + "content").Single().Nodes().Select(n => n.ToString()))
// : ""
: "",
},
Summary = new AtomFeedText()
{
Type = x.Elements(ns + "summary").Count() == 1 ? x.Elements(ns + "summary").Single().Attributes("type").Count() == 1 ? x.Elements(ns + "summary").Single().Attributes("type").Single().Value : "" : "",
Text = x.Elements(ns + "summary").Count() == 1
//? x.Elements(ns + "summary").Single().HasElements
? x.Elements(ns + "summary").Single().FirstNode.NodeType == XmlNodeType.Text || x.Elements(ns + "summary").Single().FirstNode.NodeType == XmlNodeType.CDATA
? x.Elements(ns + "summary").Single().Value
: string.Join("", x.Elements(ns + "summary").Single().Nodes().Select(n => n.ToString()))
// : ""
: "",
},
}).ToList();
}
