Como o modelo de objeto de sindicalização do WCF mapeia para Atom e RSS
Ao desenvolver um serviço de sindicalização do Windows Communication Foundation (WCF), você cria feeds e itens usando as seguintes classes:
SyndicationFeed pode ser serializada em qualquer formato de sindicalização para o qual um formatador esteja definido. O WCF é fornecido com dois formatadores: Atom10FeedFormatter e Rss20FeedFormatter.
O modelo de objeto em torno de SyndicationFeed e SyndicationItem está mais alinhado com a especificação Atom 1.0 do que com a especificação RSS 2.0. Isso ocorre porque o Atom 1.0 é uma especificação mais substancial que define elementos que são ambíguos ou omitidos da especificação RSS 2.0. Por causa disso, muitos itens no modelo de objeto de sindicalização WCF não têm representação direta na especificação RSS 2.0. Ao serializar objetos SyndicationFeed e SyndicationItem no RSS 2.0, o WCF permite serializar elementos de dados específicos do Atom como elementos de extensão qualificados para namespace que estão em conformidade com a especificação do Atom. Você pode controlar isso com um parâmetro passado para o construtor Rss20FeedFormatter.
Os exemplos de código neste tópico usam um dos dois métodos definidos aqui para fazer a serialização real.
SerializeFeed serializa um feed de sindicalização.
public void SerializeFeed(SyndicationFeed feed)
{
Atom10FeedFormatter atomFormatter = feed.GetAtom10Formatter();
Rss20FeedFormatter rssFormatter = feed.GetRss20Formatter();
XmlWriter atomWriter = XmlWriter.Create("atom.xml");
XmlWriter rssWriter = XmlWriter.Create("rss.xml");
atomFormatter.WriteTo(atomWriter);
rssFormatter.WriteTo(rssWriter);
atomWriter.Close();
rssWriter.Close();
}
Public Sub SerializeFeed(ByVal feed As SyndicationFeed)
Dim atomFormatter As Atom10FeedFormatter = feed.GetAtom10Formatter()
Dim rssFormatter As Rss20FeedFormatter = feed.GetRss20Formatter()
Dim atomWriter As XmlWriter = XmlWriter.Create("atom.xml")
Dim rssWriter As XmlWriter = XmlWriter.Create("rss.xml")
atomFormatter.WriteTo(atomWriter)
rssFormatter.WriteTo(rssWriter)
atomWriter.Close()
rssWriter.Close()
End Sub
SerializeItem serializa um item de sindicalização.
public void SerializeItem(SyndicationItem item)
{
Atom10ItemFormatter atomFormatter = item.GetAtom10Formatter();
Rss20ItemFormatter rssFormatter = item.GetRss20Formatter();
XmlWriter atomWriter = XmlWriter.Create("atom.xml");
XmlWriter rssWriter = XmlWriter.Create("rss.xml");
atomFormatter.WriteTo(atomWriter);
rssFormatter.WriteTo(rssWriter);
atomWriter.Close();
rssWriter.Close();
}
Public Sub SerializeItem(ByVal item As SyndicationItem)
Dim atomFormatter As Atom10ItemFormatter = item.GetAtom10Formatter()
Dim rssFormatter As Rss20ItemFormatter = item.GetRss20Formatter()
Dim atomWriter As XmlWriter = XmlWriter.Create("atom.xml")
Dim rssWriter As XmlWriter = XmlWriter.Create("rss.xml")
atomFormatter.WriteTo(atomWriter)
rssFormatter.WriteTo(rssWriter)
atomWriter.Close()
rssWriter.Close()
End Sub
SyndicationFeed
O exemplo de código a seguir mostra como serializar a classe SyndicationFeed para Atom 1.0 e RSS 2.0.
SyndicationFeed feed = new SyndicationFeed("My Feed Title", "My Feed Description", new Uri("http://MyFeedURI"));
feed.Copyright = new TextSyndicationContent("Copyright 2007");
feed.Language = "EN-US";
feed.LastUpdatedTime = DateTime.Now;
feed.Generator = "Sample Code";
feed.Id = "FeedID";
feed.ImageUrl = new Uri("http://server/image.jpg");
SyndicationCategory category = new SyndicationCategory("MyCategory");
category.Label = "categoryLabel";
category.Name = "categoryName";
category.Scheme = "categoryScheme";
feed.Categories.Add(category);
SyndicationItem item = new SyndicationItem("Item Title", "Item Content", new Uri("http://MyItemURI"));
item.Authors.Add(new SyndicationPerson("Jesper.Aaberg@contoso.com", "Jesper Aaberg", "http://Contoso/Aaberg"));
item.Categories.Add(category);
item.Contributors.Add(new SyndicationPerson("Lene.Aaling@contoso.com", "Lene Aaling", "http://Contoso/Aaling"));
item.Copyright = new TextSyndicationContent("Copyright 2007");
item.Id = "ItemID";
item.LastUpdatedTime = DateTime.Now;
item.PublishDate = DateTime.Today;
item.SourceFeed = feed;
item.Summary = new TextSyndicationContent("Item Summary");
Collection<SyndicationItem> items = new Collection<SyndicationItem>();
items.Add(item);
feed.Items = items;
SerializeFeed(feed);
Dim feed As New SyndicationFeed("My Feed Title", "My Feed Description", New Uri("http://MyFeedURI"))
feed.Copyright = New TextSyndicationContent("Copyright 2007")
feed.Language = "EN-US"
feed.LastUpdatedTime = DateTime.Now
feed.Generator = "Sample Code"
feed.Id = "FeedID"
feed.ImageUrl = New Uri("http://server/image.jpg")
Dim category As New SyndicationCategory("MyCategory")
category.Label = "categoryLabel"
category.Name = "categoryName"
category.Scheme = "categoryScheme"
feed.Categories.Add(category)
Dim item As New SyndicationItem("Item Title", "Item Content", New Uri("http://MyItemURI"))
item.Authors.Add(New SyndicationPerson("Jesper.Aaberg@contoso.com", "Jesper Aaberg", "http://Contoso/Aaberg"))
item.Categories.Add(category)
item.Contributors.Add(New SyndicationPerson("Lene.Aaling@contoso.com", "Lene Aaling", "http://Contoso/Aaling"))
item.Copyright = New TextSyndicationContent("Copyright 2007")
item.Id = "ItemID"
item.LastUpdatedTime = DateTime.Now
item.PublishDate = DateTime.Today
item.SourceFeed = feed
item.Summary = New TextSyndicationContent("Item Summary")
Dim items As New Collection(Of SyndicationItem)()
items.Add(item)
feed.Items = items
SerializeFeed(feed)
O XML a seguir mostra como SyndicationFeed é serializada para Atom 1.0.
<?xml version="1.0" encoding="utf-8"?>
<feed xml:lang="EN-US" xmlns="http://www.w3.org/2005/Atom">
<title type="text">My Feed Title</title>
<subtitle type="text">My Feed Description</subtitle>
<id>FeedID</id>
<rights type="text">Copyright 2007</rights>
<updated>2007-08-29T13:57:17-07:00</updated>
<category term="categoryName" label="categoryLabel" scheme="categoryScheme" />
<logo>http://server/image.jpg</logo>
<generator>Sample Code</generator>
<link rel="alternate" href="http://myfeeduri/" />
<entry>
<id>ItemID</id>
<title type="text">Item Title</title>
<summary type="text">Item Summary</summary>
<published>2007-08-29T00:00:00-07:00</published>
<updated>2007-08-29T13:57:17-07:00</updated>
<author>
<name>Jesper Aaberg</name>
<uri>http://Jesper/Aaberg</uri>
<email>Jesper@Aaberg.com</email>
</author>
<contributor>
<name>Lene Aaling</name>
<uri>http://Lene/Aaling</uri>
<email>Lene@Aaling.com</email>
</contributor>
<link rel="alternate" href="http://myitemuri/" />
<category term="categoryName" label="categoryLabel" scheme="categoryScheme" />
<content type="text">Item Content</content>
<rights type="text">Copyright 2007</rights>
<source>
<title type="text">My Feed Title</title>
<subtitle type="text">My Feed Description</subtitle>
<id>FeedID</id>
<rights type="text">Copyright 2007</rights>
<updated>2007-08-29T13:57:17-07:00</updated>
<category term="categoryName" label="categoryLabel" scheme="categoryScheme" />
<logo>http://server/image.jpg</logo>
<generator>Sample Code</generator>
<link rel="alternate" href="http://myfeeduri/" />
</source>
</entry>
</feed>
O XML a seguir mostra como SyndicationFeed é serializada para RSS 2.0.
<?xml version="1.0" encoding="utf-8"?>
<rss xmlns:a10="http://www.w3.org/2005/Atom" version="2.0">
<channel>
<title>My Feed Title</title>
<link>http://myfeeduri/</link>
<description>My Feed Description</description>
<language>EN-US</language>
<copyright>Copyright 2007</copyright>
<lastBuildDate>Wed, 29 Aug 2007 13:57:17 -0700</lastBuildDate>
<category domain="categoryScheme">categoryName</category>
<generator>Sample Code</generator>
<image>
<url>http://server/image.jpg</url>
<title>My Feed Title</title>
<link>http://myfeeduri/</link>
</image>
<a10:id>FeedID</a10:id>
<item>
<guid isPermaLink="false">ItemID</guid>
<link>http://myitemuri/</link>
<author>Jesper@Aaberg.com</author>
<category domain="categoryScheme">categoryName</category>
<title>Item Title</title>
<description>Item Summary</description>
<source>My Feed Title</source>
<pubDate>Wed, 29 Aug 2007 00:00:00 -0700</pubDate>
<a10:updated>2007-08-29T13:57:17-07:00</a10:updated>
<a10:rights type="text">Copyright 2007</a10:rights>
<a10:content type="text">Item Content</a10:content>
<a10:contributor>
<a10:name>Lene Aaling</a10:name>
<a10:uri>http://Lene/Aaling</a10:uri>
<a10:email>Lene@Aaling.com</a10:email>
</a10:contributor>
</item>
</channel>
</rss>
SyndicationItem
O exemplo de código a seguir mostra como serializar a classe SyndicationItem para Atom 1.0 e RSS 2.0.
SyndicationItem item = new SyndicationItem("Item Title", "Item Content", new Uri("http://MyItemURI"));
item.Authors.Add(new SyndicationPerson("Jesper.Aaberg@contoso.com", "Jesper Aaberg", "http://Contoso/Aaberg"));
item.Authors.Add(new SyndicationPerson("Syed.Abbas@contoso.com", "Syed Abbas", "http://Contoso/Abbas"));
SyndicationCategory category = new SyndicationCategory("MyCategory");
category.Label = "categoryLabel";
category.Name = "categoryName";
category.Scheme = "categoryScheme";
SyndicationCategory category2 = new SyndicationCategory("MyCategoryTwo");
category2.Label = "categoryLabel";
category2.Name = "categoryName";
category2.Scheme = "categoryScheme";
item.Categories.Add(category);
item.Categories.Add(category2);
item.Contributors.Add(new SyndicationPerson("Lene.Aaling@contoso.com", "Lene Aaling", "http://Contoso/Aaling"));
item.Contributors.Add(new SyndicationPerson("Kim.Abercrombie@contoso.com", "Kim Abercrombie", "http://Contoso/Abercrombie"));
item.Copyright = new TextSyndicationContent("Copyright 2007");
item.Id = "ItemID";
item.LastUpdatedTime = DateTime.Now;
item.PublishDate = DateTime.Today;
item.SourceFeed = feed;
item.Summary = new TextSyndicationContent("Item Summary");
Collection<SyndicationItem> items = new Collection<SyndicationItem>();
items.Add(item);
feed.Items = items;
SerializeItem(item);
Dim item As New SyndicationItem("Item Title", "Item Content", New Uri("http://MyItemURI"))
item.Authors.Add(New SyndicationPerson("Jesper.Aaberg@contoso.com", "Jesper Aaberg", "http://Contoso/Aaberg"))
item.Authors.Add(New SyndicationPerson("Syed.Abbas@contoso.com", "Syed Abbas", "http://Contoso/Abbas"))
Dim category As New SyndicationCategory("MyCategory")
category.Label = "categoryLabel"
category.Name = "categoryName"
category.Scheme = "categoryScheme"
Dim category2 As New SyndicationCategory("MyCategoryTwo")
category2.Label = "categoryLabel"
category2.Name = "categoryName"
category2.Scheme = "categoryScheme"
item.Categories.Add(category)
item.Categories.Add(category2)
item.Contributors.Add(New SyndicationPerson("Lene.Aaling@contoso.com", "Lene Aaling", "http://Contoso/Aaling"))
item.Contributors.Add(New SyndicationPerson("Kim.Abercrombie@contoso.com", "Kim Abercrombie", "http://Contoso/Abercrombie"))
item.Copyright = New TextSyndicationContent("Copyright 2007")
item.Id = "ItemID"
item.LastUpdatedTime = DateTime.Now
item.PublishDate = DateTime.Today
item.SourceFeed = feed
item.Summary = New TextSyndicationContent("Item Summary")
Dim items As New Collection(Of SyndicationItem)()
items.Add(item)
feed.Items = items
SerializeItem(item)
O XML a seguir mostra como SyndicationItem é serializada para Atom 1.0.
<entry xmlns="http://www.w3.org/2005/Atom">
<id>ItemID</id>
<title type="text">Item Title</title>
<summary type="text">Item Summary</summary>
<published>2007-08-29T00:00:00-07:00</published>
<updated>2007-08-29T14:07:09-07:00</updated>
<author>
<name>Jesper Aaberg</name>
<uri>http://Contoso/Aaberg</uri>
<email>Jesper.Aaberg@contoso.com</email>
</author>
<author>
<name>Syed Abbas</name>
<uri>http://Contoso/Abbas</uri>
<email>Syed.Abbas@contoso.com</email>
</author>
<contributor>
<name>Lene Aaling</name>
<uri>http://Contoso/Aaling</uri>
<email>Lene.Aaling@contoso.com</email>
</contributor>
<contributor>
<name>Kim Abercrombie</name>
<uri>http://Contoso/Abercrombie</uri>
<email>Kim.Abercrombie@contoso.com</email>
</contributor>
<link rel="alternate" href="http://myitemuri/" />
<category term="categoryName" label="categoryLabel" scheme="categoryScheme" />
<category term="categoryName" label="categoryLabel" scheme="categoryScheme" />
<content type="text">Item Content</content>
<rights type="text">Copyright 2007</rights>
<source>
<title type="text">My Feed Title</title>
<subtitle type="text">My Feed Description</subtitle>
<link rel="alternate" href="http://myfeeduri/" />
</source>
</entry>
O XML a seguir mostra como SyndicationItem é serializada para RSS 2.0.
<item>
<guid isPermaLink="false">ItemID</guid>
<link>http://myitemuri/</link>
<author xmlns="http://www.w3.org/2005/Atom">
<name>Jesper Aaberg</name>
<uri>http://Jesper/Aaberg</uri>
<email>Jesper@Aaberg.com</email>
</author>
<author xmlns="http://www.w3.org/2005/Atom">
<name>Syed Abbas</name>
<uri>http://Contoso/Abbas</uri>
<email>Syed.Abbas@contoso.com</email>
</author>
<category domain="categoryScheme">categoryName</category>
<category domain="categoryScheme">categoryName</category>
<title>Item Title</title>
<description>Item Summary</description>
<source>My Feed Title</source>
<pubDate>Wed, 29 Aug 2007 00:00:00 -0700</pubDate>
<updated xmlns="http://www.w3.org/2005/Atom">2007-08-29T14:07:09-07:00</updated>
<rights type="text" xmlns="http://www.w3.org/2005/Atom">Copyright 2007</rights>
<content type="text" xmlns="http://www.w3.org/2005/Atom">Item Content</content>
<contributor xmlns="http://www.w3.org/2005/Atom">
<name>Lene Aaling</name>
<uri>http://Contoso/Aaling</uri>
<email>Lene.Aaling@contoso.com</email>
</contributor>
<contributor xmlns="http://www.w3.org/2005/Atom">
<name>Kim Abercrombie</name>
<uri>http://Contoso/Abercrombie</uri>
<email>Kim.Abercrombie@contoso.com</email>
</contributor>
</item>
SyndicationPerson
O exemplo de código a seguir mostra como serializar a classe SyndicationPerson para Atom 1.0 e RSS 2.0.
SyndicationFeed feed = new SyndicationFeed("My Feed Title", "My Feed Description", new Uri("http://MyFeedURI"));
feed.Authors.Add(new SyndicationPerson("Jesper.Aaberg@contoso.com", "Jesper Aaberg", "http://Contoso/Aaberg"));
feed.Authors.Add(new SyndicationPerson("Syed.Abbas@contoso.com", "Syed Abbas", "http://Contoso/Abbas"));
feed.Contributors.Add(new SyndicationPerson("Lene.Aaling@contoso.com", "Lene Aaling", "http://Contoso/Aaling"));
feed.Contributors.Add(new SyndicationPerson("Kim.Abercrombie@contoso.com", "Kim Abercrombie", "http://Contoso/Abercrombie"));
SerializeFeed(feed);
Dim feed As New SyndicationFeed("My Feed Title", "My Feed Description", New Uri("http://MyFeedURI"))
feed.Authors.Add(New SyndicationPerson("Jesper.Aaberg@contoso.com", "Jesper Aaberg", "http://Contoso/Aaberg"))
feed.Authors.Add(New SyndicationPerson("Syed.Abbas@contoso.com", "Syed Abbas", "http://Contoso/Abbas"))
feed.Contributors.Add(New SyndicationPerson("Lene.Aaling@contoso.com", "Lene Aaling", "http://Contoso/Aaling"))
feed.Contributors.Add(New SyndicationPerson("Kim.Abercrombie@contoso.com", "Kim Abercrombie", "http://Contoso/Abercrombie"))
SerializeFeed(feed)
O XML a seguir mostra como SyndicationPerson é serializada para Atom 1.0.
<author>
<name>Jesper Aaberg</name>
<uri>http://Contoso/Aaberg</uri>
<email>Jesper.Aaberg@contoso.com</email>
</author>
<contributor>
<name>Lene Aaling</name>
<uri>http://Contoso/Aaling</uri>
<email>Lene.Aaling@contoso.com</email>
</contributor>
O XML a seguir mostra como a classe SyndicationPerson é serializada para RSS 2.0 se houver apenas uma SyndicationPerson nas coleções Authors ou Contributors, respectivamente.
<author>Jesper.Aaberg@contoso.com</author>
<a10:contributor>
<a10:name>Lene Aaling</a10:name>
<a10:uri>http://Contoso/Aaling</a10:uri>
<a10:email>Lene.Aaling@contoso.com</a10:email>
</a10:contributor>
O XML a seguir mostra como a classe SyndicationPerson é serializada para RSS 2.0 se mais de um SyndicationPerson existir nas coleções Authors ou Contributors, respectivamente.
<a10:author>
<a10:name>Jesper Aaberg</a10:name>
<a10:uri>http://Contoso/Aaberg</a10:uri>
<a10:email>Jesper.Aaberg@contoso.com</a10:email>
</a10:author>
<a10:author>
<a10:name>Syed Abbas</a10:name>
<a10:uri>http://Contoso/Abbas</a10:uri>
<a10:email>Syed.Abbas@contoso.com</a10:email>
</a10:author>
<a10:contributor>
<a10:name>Lene Aaling</a10:name>
<a10:uri>http://Contoso/Aaling</a10:uri>
<a10:email>Lene.Aaling@contoso.com</a10:email>
</a10:contributor>
<a10:contributor>
<a10:name>Kim Abercrombie</a10:name>
<a10:uri>http://Contoso/Abercrombie</a10:uri>
<a10:email>Kim.Abercrombie@contoso.com</a10:email>
</a10:contributor>
SyndicationLink
O exemplo de código a seguir mostra como serializar a classe SyndicationLink para Atom 1.0 e RSS 2.0.
SyndicationFeed feed = new SyndicationFeed("My Feed Title", "My Feed Description", new Uri("http://MyFeedURI"));
feed.Links.Add(new SyndicationLink(new Uri("http://contoso/MyLink"), "alternate", "My Link Title", "text/html", 2048));
SerializeFeed(feed);
Dim feed As New SyndicationFeed("My Feed Title", "My Feed Description", New Uri("http://MyFeedURI"))
feed.Links.Add(New SyndicationLink(New Uri("http://contoso/MyLink"), "alternate", "My Link Title", "text/html", 2048))
SerializeFeed(feed)
O XML a seguir mostra como SyndicationLink é serializada para Atom 1.0.
<link rel="alternate" type="text/html" title="My Link Title" length="2048" href="http://contoso/MyLink" />
O XML a seguir mostra como SyndicationLink é serializada para RSS 2.0.
<a10:link rel="alternate" type="text/html" title="My Link Title" length="2048" href="http://contoso/MyLink" />
SyndicationCategory
O exemplo de código a seguir mostra como serializar a classe SyndicationCategory para Atom 1.0 e RSS 2.0.
SyndicationFeed feed = new SyndicationFeed("My Feed Title", "My Feed Description", new Uri("http://MyFeedURI"));
SyndicationCategory category = new SyndicationCategory("MyCategory");
category.Label = "categoryLabel";
category.Name = "categoryName";
category.Scheme = "categoryScheme";
feed.Categories.Add(category);
SerializeFeed(feed);
Dim feed As New SyndicationFeed("My Feed Title", "My Feed Description", New Uri("http://MyFeedURI"))
Dim category As New SyndicationCategory("MyCategory")
category.Label = "categoryLabel"
category.Name = "categoryName"
category.Scheme = "categoryScheme"
feed.Categories.Add(category)
SerializeFeed(feed)
O XML a seguir mostra como SyndicationCategory é serializada para Atom 1.0.
<category term="categoryName" label="categoryLabel" scheme="categoryScheme" />
O XML a seguir mostra como SyndicationCategory é serializada para RSS 2.0.
<category domain="categoryScheme">categoryName</category>
TextSyndicationContent
O exemplo de código a seguir mostra como serializar a classe TextSyndicationContent para Atom 1.0 e RSS 2.0 quando TextSyndicationContent é criado com conteúdo HTML.
SyndicationItem htmlItem = new SyndicationItem();
htmlItem.Content = new TextSyndicationContent("<html> some html </html>", TextSyndicationContentKind.Html);
SerializeItem(htmlItem);
Dim htmlItem As New SyndicationItem()
htmlItem.Content = New TextSyndicationContent("<html> some html </html>", TextSyndicationContentKind.Html)
SerializeItem(htmlItem)
O XML a seguir mostra como a classe TextSyndicationContent com conteúdo HTML é serializada para o Atom 1.0.
<content type="html"><html> some html </html></content>
O XML a seguir mostra como a classe TextSyndicationContent com conteúdo HTML é serializada para RSS 2.0.
<description><html> some html </html></description>
O exemplo de código a seguir mostra como serializar a classe TextSyndicationContent para Atom 1.0 e RSS 2.0 quando TextSyndicationContent é criado com conteúdo de texto simples.
SyndicationItem txtItem = new SyndicationItem();
txtItem.Content = new TextSyndicationContent("Some Plain Text", TextSyndicationContentKind.Plaintext);
SerializeItem(txtItem);
Dim txtItem As New SyndicationItem()
txtItem.Content = New TextSyndicationContent("Some Plain Text", TextSyndicationContentKind.Plaintext)
SerializeItem(txtItem)
O XML a seguir mostra como a classe TextSyndicationContent com conteúdo de texto simples é serializada para o Atom 1.0.
<content type="text">Some Plain Text</content>
O XML a seguir mostra como a classe TextSyndicationContent com conteúdo de texto simples é serializada para RSS 2.0.
<description>Some Plain Text</description>
O exemplo de código a seguir mostra como serializar a classe TextSyndicationContent para Atom 1.0 e RSS 2.0 quando TextSyndicationContent é criado com conteúdo XHTML.
SyndicationItem xhtmlItem = new SyndicationItem();
xhtmlItem.Content = new TextSyndicationContent("<html> some xhtml </html>", TextSyndicationContentKind.XHtml);
SerializeItem(xhtmlItem);
Dim xhtmlItem As New SyndicationItem()
xhtmlItem.Content = New TextSyndicationContent("<html> some xhtml </html>", TextSyndicationContentKind.XHtml)
SerializeItem(xhtmlItem)
O XML a seguir mostra como a classe TextSyndicationContent com conteúdo XHTML é serializada para o Atom 1.0.
<content type="xhtml">
<html> some xhtml </html>
</content>
O XML a seguir mostra como a classe TextSyndicationContent com conteúdo XHTML é serializada para RSS 2.0.
<description><html> some xhtml </html></description>
UrlSyndicationContent
O exemplo de código a seguir mostra como serializar a classe UrlSyndicationContent para Atom 1.0 e RSS 2.0.
SyndicationItem urlItem = new SyndicationItem();
urlItem.Content = new UrlSyndicationContent(new Uri("http://Contoso/someUrl"), "audio");
SerializeItem(urlItem);
Dim urlItem As New SyndicationItem()
urlItem.Content = New UrlSyndicationContent(New Uri("http://Contoso/someUrl"), "audio")
SerializeItem(urlItem)
O XML a seguir mostra como a classe UrlSyndicationContent é serializada para Atom 1.0.
<content type="audio" src="http://someurl/" />
O XML a seguir mostra como a classe UrlSyndicationContent com conteúdo XHTML é serializada para RSS 2.0.
<description />
<content type="audio" src="http://Contoso/someurl/" xmlns="http://www.w3.org/2005/Atom" />
XmlSyndicationContent
O exemplo de código a seguir mostra como serializar a classe XmlSyndicationContent para Atom 1.0 e RSS 2.0.
SyndicationItem xmlItem = new SyndicationItem();
xmlItem.Title = new TextSyndicationContent("Xml Item Title");
xmlItem.Content = new XmlSyndicationContent("mytype", new SyndicationElementExtension(new SomeData()));
SerializeItem(xmlItem);
Dim xmlItem As New SyndicationItem()
xmlItem.Title = New TextSyndicationContent("Xml Item Title")
xmlItem.Content = New XmlSyndicationContent("mytype", New SyndicationElementExtension(New SomeData()))
SerializeItem(xmlItem)
O XML a seguir mostra como a classe XmlSyndicationContent é serializada para Atom 1.0.
<content type="mytype">
<SomeData xmlns:i="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://schemas.datacontract.org/2004/07/FeedMapping" />
</content>
O XML a seguir mostra como a classe XmlSyndicationContent com conteúdo XHTML é serializada para RSS 2.0.
<content type="mytype" xmlns="http://www.w3.org/2005/Atom">
<SomeData xmlns:i="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://schemas.datacontract.org/2004/07/FeedMapping" />
</content>