public override void WriteTo(XmlWriter writer)
{
if (writer == null)
{
throw new ArgumentNullException("writer");
}
writer.WriteStartElement("app", "categories", Version);
if (writer.LookupPrefix(Namespaces.Atom10) != "a10")
{
writer.WriteAttributeString("xmlns", "a10", Namespaces.Xmlns, Namespaces.Atom10);
}
// xml:lang, xml:base, term, scheme, label
if (Document.Language != null)
{
writer.WriteAttributeString("xml", "lang", Namespaces.Xml, Document.Language);
}
if (Document.BaseUri != null)
{
writer.WriteAttributeString("xml", "base", Namespaces.Xml, Document.BaseUri.ToString());
}
InlineCategoriesDocument inline = Document as InlineCategoriesDocument;
ReferencedCategoriesDocument referenced = Document as ReferencedCategoriesDocument;
// ... no term ?
if (inline != null)
{
if (inline.IsFixed)
{
writer.WriteAttributeString("fixed", "yes");
}
if (inline.Scheme != null)
{
writer.WriteAttributeString("scheme", inline.Scheme);
}
}
else if (referenced != null)
{
if (referenced.Link != null)
{
writer.WriteAttributeString("href", referenced.Link.ToString());
}
}
Document.WriteAttributeExtensions(writer, Version);
Document.WriteElementExtensions(writer, Version);
if (inline != null)
{
WriteInlineCategoriesContent(inline, writer);
}
// no (non-extension) contents for out-of-line category
writer.WriteEndElement();
}
public static CategoriesDocument Load(XmlReader reader)
{
if (reader == null)
{
throw new ArgumentNullException("reader");
}
var f = new AtomPub10CategoriesDocumentFormatter();
reader.MoveToContent();
CategoriesDocument doc;
if (reader.GetAttribute("href") == null)
{
doc = new InlineCategoriesDocument();
}
else
{
doc = new ReferencedCategoriesDocument();
}
doc.GetFormatter().ReadFrom(reader);
return(doc);
}
private static void WriteReferencedCategoriesContent(XmlWriter writer, ReferencedCategoriesDocument categories, string version)
{
if (categories.Link != null)
{
writer.WriteAttributeString("href", FeedUtils.GetUriString(categories.Link));
}
ServiceDocumentFormatter.WriteAttributeExtensions(writer, categories, version);
ServiceDocumentFormatter.WriteElementExtensions(writer, categories, version);
}
private static void WriteReferencedCategoriesContent(XmlWriter writer, ReferencedCategoriesDocument categories, string version)
{
if (categories.Link != null)
{
writer.WriteAttributeString(App10Constants.Href, FeedUtils.GetUriString(categories.Link));
}
WriteAttributeExtensions(writer, categories, version);
WriteElementExtensions(writer, categories, version);
}
internal static CategoriesDocument ReadCategories(XmlReader reader, Uri baseUri, CreateInlineCategoriesDelegate inlineCategoriesFactory, CreateReferencedCategoriesDelegate referencedCategoriesFactory, string version, bool preserveElementExtensions, bool preserveAttributeExtensions, int maxExtensionSize)
{
string attribute = reader.GetAttribute("href", string.Empty);
if (string.IsNullOrEmpty(attribute))
{
InlineCategoriesDocument inlineCategories = inlineCategoriesFactory();
ReadInlineCategories(reader, inlineCategories, baseUri, version, preserveElementExtensions, preserveAttributeExtensions, maxExtensionSize);
return(inlineCategories);
}
ReferencedCategoriesDocument referencedCategories = referencedCategoriesFactory();
ReadReferencedCategories(reader, referencedCategories, baseUri, new Uri(attribute, UriKind.RelativeOrAbsolute), version, preserveElementExtensions, preserveAttributeExtensions, maxExtensionSize);
return(referencedCategories);
}
private ResourceCollectionInfo GetPostsResourceCollectionInfo(UrlHelper url) {
ResourceCollectionInfo posts = new ResourceCollectionInfo("Blog",
new Uri(url.Link("DefaultApi", new { controller = "posts" })));
posts.Accepts.Add("application/atom+xml;type=entry");
// For WLW to work we need to include format in the categories URI.
// Hoping to provide a better solution than this.
var categoriesUri = new Uri(url.Link("DefaultApi", new { controller = "tags", format = "atomcat" }));
ReferencedCategoriesDocument categories = new ReferencedCategoriesDocument(categoriesUri);
posts.Categories.Add(categories);
return posts;
}
internal static CategoriesDocument ReadCategories(XmlReader reader, Uri baseUri, CreateInlineCategoriesDelegate inlineCategoriesFactory, CreateReferencedCategoriesDelegate referencedCategoriesFactory, string version, int maxExtensionSize)
{
string link = reader.GetAttribute(App10Constants.Href, string.Empty);
if (string.IsNullOrEmpty(link))
{
InlineCategoriesDocument inlineCategories = inlineCategoriesFactory();
ReadInlineCategories(reader, inlineCategories, baseUri, version, maxExtensionSize);
return(inlineCategories);
}
else
{
ReferencedCategoriesDocument referencedCategories = referencedCategoriesFactory();
ReadReferencedCategories(reader, referencedCategories, baseUri, new Uri(link, UriKind.RelativeOrAbsolute), version, maxExtensionSize);
return(referencedCategories);
}
}
public static CategoriesDocument Load (XmlReader reader)
{
if (reader == null)
throw new ArgumentNullException ("reader");
var f = new AtomPub10CategoriesDocumentFormatter ();
reader.MoveToContent ();
CategoriesDocument doc;
if (reader.GetAttribute ("href") == null)
doc = new InlineCategoriesDocument ();
else
doc = new ReferencedCategoriesDocument ();
doc.GetFormatter ().ReadFrom (reader);
return doc;
}
internal static async Task <CategoriesDocument> ReadCategories(XmlReaderWrapper reader, Uri baseUri, CreateInlineCategoriesDelegate inlineCategoriesFactory, CreateReferencedCategoriesDelegate referencedCategoriesFactory, string version, bool preserveElementExtensions, bool preserveAttributeExtensions, int maxExtensionSize)
{
string link = reader.GetAttribute(App10Constants.Href, string.Empty);
if (string.IsNullOrEmpty(link))
{
InlineCategoriesDocument inlineCategories = inlineCategoriesFactory();
await ReadInlineCategoriesAsync(reader, inlineCategories, baseUri, version, preserveElementExtensions, preserveAttributeExtensions, maxExtensionSize);
return(inlineCategories);
}
else
{
ReferencedCategoriesDocument referencedCategories = referencedCategoriesFactory();
await ReadReferencedCategoriesAsync(reader, referencedCategories, baseUri, new Uri(link, UriKind.RelativeOrAbsolute), version, preserveElementExtensions, preserveAttributeExtensions, maxExtensionSize);
return(referencedCategories);
}
}
public HttpResponseMessage Get()
{
var doc = new ServiceDocument();
var ws = new Workspace
{
Title = new TextSyndicationContent("My Site"),
BaseUri = new Uri(Request.RequestUri.GetLeftPart(UriPartial.Authority))
};
var posts = new ResourceCollectionInfo("Blog",
new Uri(Url.Link("DefaultApi", new { controller = "posts" })));
posts.Accepts.Add("application/atom+xml;type=entry");
// For WLW to work we need to include format in the categories URI.
// Hoping to provide a better solution than this.
var categoriesUri = new Uri(Url.Link("DefaultApi", new { controller = "tags", format = "atomcat" }));
var categories = new ReferencedCategoriesDocument(categoriesUri);
posts.Categories.Add(categories);
ws.Collections.Add(posts);
doc.Workspaces.Add(ws);
var response = new HttpResponseMessage(HttpStatusCode.OK);
var formatter = new AtomPub10ServiceDocumentFormatter(doc);
var stream = new MemoryStream();
using (var writer = XmlWriter.Create(stream))
{
formatter.WriteTo(writer);
}
stream.Position = 0;
var content = new StreamContent(stream);
response.Content = content;
response.Content.Headers.ContentType =
new MediaTypeHeaderValue("application/atomsvc+xml");
return response;
}
private static void WriteReferencedCategoriesContent(XmlWriter writer, ReferencedCategoriesDocument categories, string version)
{
if (categories.Link != null)
{
writer.WriteAttributeString("href", FeedUtils.GetUriString(categories.Link));
}
ServiceDocumentFormatter.WriteAttributeExtensions(writer, categories, version);
ServiceDocumentFormatter.WriteElementExtensions(writer, categories, version);
}
private static void ReadReferencedCategories(XmlReader reader, ReferencedCategoriesDocument referencedCategories, Uri baseUri, Uri link, string version, bool preserveElementExtensions, bool preserveAttributeExtensions, int maxExtensionSize)
{
referencedCategories.BaseUri = baseUri;
referencedCategories.Link = link;
if (reader.HasAttributes)
{
while (reader.MoveToNextAttribute())
{
if ((reader.LocalName == "base") && (reader.NamespaceURI == "http://www.w3.org/XML/1998/namespace"))
{
referencedCategories.BaseUri = FeedUtils.CombineXmlBase(referencedCategories.BaseUri, reader.Value);
}
else
{
if ((reader.LocalName == "lang") && (reader.NamespaceURI == "http://www.w3.org/XML/1998/namespace"))
{
referencedCategories.Language = reader.Value;
continue;
}
if ((reader.LocalName != "href") || (reader.NamespaceURI != string.Empty))
{
string namespaceURI = reader.NamespaceURI;
string localName = reader.LocalName;
if (!FeedUtils.IsXmlns(localName, namespaceURI) && !FeedUtils.IsXmlSchemaType(localName, namespaceURI))
{
string str3 = reader.Value;
if (!ServiceDocumentFormatter.TryParseAttribute(localName, namespaceURI, str3, referencedCategories, version))
{
if (preserveAttributeExtensions)
{
referencedCategories.AttributeExtensions.Add(new XmlQualifiedName(reader.LocalName, reader.NamespaceURI), reader.Value);
continue;
}
SyndicationFeedFormatter.TraceSyndicationElementIgnoredOnRead(reader);
}
}
}
}
}
}
reader.MoveToElement();
bool isEmptyElement = reader.IsEmptyElement;
reader.ReadStartElement();
if (!isEmptyElement)
{
XmlBuffer buffer = null;
XmlDictionaryWriter extWriter = null;
try
{
while (reader.IsStartElement())
{
if (!ServiceDocumentFormatter.TryParseElement(reader, referencedCategories, version))
{
if (preserveElementExtensions)
{
SyndicationFeedFormatter.CreateBufferIfRequiredAndWriteNode(ref buffer, ref extWriter, reader, maxExtensionSize);
}
else
{
SyndicationFeedFormatter.TraceSyndicationElementIgnoredOnRead(reader);
reader.Skip();
}
}
}
ServiceDocumentFormatter.LoadElementExtensions(buffer, extWriter, referencedCategories);
}
finally
{
if (extWriter != null)
{
extWriter.Close();
}
}
reader.ReadEndElement();
}
}
static void WriteReferencedCategoriesContent(XmlWriter writer, ReferencedCategoriesDocument categories, string version)
{
if (categories.Link != null)
{
writer.WriteAttributeString(App10Constants.Href, FeedUtils.GetUriString(categories.Link));
}
WriteAttributeExtensions(writer, categories, version);
WriteElementExtensions(writer, categories, version);
}
private static async Task ReadReferencedCategoriesAsync(XmlReader reader, ReferencedCategoriesDocument referencedCategories, Uri baseUri, Uri link, string version, bool preserveElementExtensions, bool preserveAttributeExtensions, int maxExtensionSize)
{
referencedCategories.BaseUri = baseUri;
referencedCategories.Link = link;
if (reader.HasAttributes)
{
while (reader.MoveToNextAttribute())
{
if (reader.LocalName == "base" && reader.NamespaceURI == Atom10FeedFormatter.XmlNs)
{
referencedCategories.BaseUri = FeedUtils.CombineXmlBase(referencedCategories.BaseUri, await reader.GetValueAsync().ConfigureAwait(false));
}
else if (reader.LocalName == "lang" && reader.NamespaceURI == Atom10FeedFormatter.XmlNs)
{
referencedCategories.Language = await reader.GetValueAsync().ConfigureAwait(false);
}
else if (reader.LocalName == App10Constants.Href && reader.NamespaceURI == string.Empty)
{
continue;
}
else
{
string ns = reader.NamespaceURI;
string name = reader.LocalName;
if (FeedUtils.IsXmlns(name, ns) || FeedUtils.IsXmlSchemaType(name, ns))
{
continue;
}
string val = await reader.GetValueAsync().ConfigureAwait(false);
if (!TryParseAttribute(name, ns, val, referencedCategories, version))
{
if (preserveAttributeExtensions)
{
referencedCategories.AttributeExtensions.Add(new XmlQualifiedName(reader.LocalName, reader.NamespaceURI), await reader.GetValueAsync().ConfigureAwait(false));
}
}
}
}
}
reader.MoveToElement();
bool isEmptyElement = reader.IsEmptyElement;
await reader.ReadStartElementAsync().ConfigureAwait(false);
if (!isEmptyElement)
{
XmlBuffer buffer = null;
XmlDictionaryWriter extWriter = null;
try
{
while (await reader.IsStartElementAsync().ConfigureAwait(false))
{
if (!TryParseElement(reader, referencedCategories, version))
{
if (preserveElementExtensions)
{
var tuple = await SyndicationFeedFormatter.CreateBufferIfRequiredAndWriteNodeAsync(buffer, extWriter, reader, maxExtensionSize).ConfigureAwait(false);
buffer = tuple.Item1;
extWriter = tuple.Item2;
}
}
}
LoadElementExtensions(buffer, extWriter, referencedCategories);
}
finally
{
if (extWriter != null)
{
extWriter.Close();
}
}
await reader.ReadEndElementAsync().ConfigureAwait(false);
}
}
private static void ReadReferencedCategories(XmlReader reader, ReferencedCategoriesDocument referencedCategories, Uri baseUri, Uri link, string version, int maxExtensionSize)
{
referencedCategories.BaseUri = baseUri;
referencedCategories.Link = link;
if (reader.HasAttributes)
{
while (reader.MoveToNextAttribute())
{
if (reader.LocalName == "base" && reader.NamespaceURI == Atom10FeedFormatter.XmlNs)
{
referencedCategories.BaseUri = FeedUtils.CombineXmlBase(referencedCategories.BaseUri, reader.Value);
}
else if (reader.LocalName == "lang" && reader.NamespaceURI == Atom10FeedFormatter.XmlNs)
{
referencedCategories.Language = reader.Value;
}
else if (reader.LocalName == App10Constants.Href && reader.NamespaceURI == string.Empty)
{
continue;
}
else
{
string ns = reader.NamespaceURI;
string name = reader.LocalName;
if (FeedUtils.IsXmlns(name, ns) || FeedUtils.IsXmlSchemaType(name, ns))
{
continue;
}
string val = reader.Value;
if (!TryParseAttribute(name, ns, val, referencedCategories, version))
{
referencedCategories.AttributeExtensions.Add(new XmlQualifiedName(reader.LocalName, reader.NamespaceURI), reader.Value);
}
}
}
}
reader.MoveToElement();
bool isEmptyElement = reader.IsEmptyElement;
reader.ReadStartElement();
if (!isEmptyElement)
{
XmlBuffer buffer = null;
XmlDictionaryWriter extWriter = null;
try
{
while (reader.IsStartElement())
{
if (!TryParseElement(reader, referencedCategories, version))
{
SyndicationFeedFormatter.CreateBufferIfRequiredAndWriteNode(ref buffer, ref extWriter, reader, maxExtensionSize);
}
}
LoadElementExtensions(buffer, extWriter, referencedCategories);
}
finally
{
extWriter?.Close();
}
reader.ReadEndElement();
}
}
private static void ReadReferencedCategories(XmlReader reader, ReferencedCategoriesDocument referencedCategories, Uri baseUri, Uri link, string version, bool preserveElementExtensions, bool preserveAttributeExtensions, int maxExtensionSize)
{
referencedCategories.BaseUri = baseUri;
referencedCategories.Link = link;
if (reader.HasAttributes)
{
while (reader.MoveToNextAttribute())
{
if ((reader.LocalName == "base") && (reader.NamespaceURI == "http://www.w3.org/XML/1998/namespace"))
{
referencedCategories.BaseUri = FeedUtils.CombineXmlBase(referencedCategories.BaseUri, reader.Value);
}
else
{
if ((reader.LocalName == "lang") && (reader.NamespaceURI == "http://www.w3.org/XML/1998/namespace"))
{
referencedCategories.Language = reader.Value;
continue;
}
if ((reader.LocalName != "href") || (reader.NamespaceURI != string.Empty))
{
string namespaceURI = reader.NamespaceURI;
string localName = reader.LocalName;
if (!FeedUtils.IsXmlns(localName, namespaceURI) && !FeedUtils.IsXmlSchemaType(localName, namespaceURI))
{
string str3 = reader.Value;
if (!ServiceDocumentFormatter.TryParseAttribute(localName, namespaceURI, str3, referencedCategories, version))
{
if (preserveAttributeExtensions)
{
referencedCategories.AttributeExtensions.Add(new XmlQualifiedName(reader.LocalName, reader.NamespaceURI), reader.Value);
continue;
}
SyndicationFeedFormatter.TraceSyndicationElementIgnoredOnRead(reader);
}
}
}
}
}
}
reader.MoveToElement();
bool isEmptyElement = reader.IsEmptyElement;
reader.ReadStartElement();
if (!isEmptyElement)
{
XmlBuffer buffer = null;
XmlDictionaryWriter extWriter = null;
try
{
while (reader.IsStartElement())
{
if (!ServiceDocumentFormatter.TryParseElement(reader, referencedCategories, version))
{
if (preserveElementExtensions)
{
SyndicationFeedFormatter.CreateBufferIfRequiredAndWriteNode(ref buffer, ref extWriter, reader, maxExtensionSize);
}
else
{
SyndicationFeedFormatter.TraceSyndicationElementIgnoredOnRead(reader);
reader.Skip();
}
}
}
ServiceDocumentFormatter.LoadElementExtensions(buffer, extWriter, referencedCategories);
}
finally
{
if (extWriter != null)
{
extWriter.Close();
}
}
reader.ReadEndElement();
}
}
static void ReadReferencedCategories(XmlReader reader, ReferencedCategoriesDocument referencedCategories, Uri baseUri, Uri link, string version, bool preserveElementExtensions, bool preserveAttributeExtensions, int maxExtensionSize)
{
referencedCategories.BaseUri = baseUri;
referencedCategories.Link = link;
if (reader.HasAttributes)
{
while (reader.MoveToNextAttribute())
{
if (reader.LocalName == "base" && reader.NamespaceURI == Atom10FeedFormatter.XmlNs)
{
referencedCategories.BaseUri = FeedUtils.CombineXmlBase(referencedCategories.BaseUri, reader.Value);
}
else if (reader.LocalName == "lang" && reader.NamespaceURI == Atom10FeedFormatter.XmlNs)
{
referencedCategories.Language = reader.Value;
}
else if (reader.LocalName == App10Constants.Href && reader.NamespaceURI == string.Empty)
{
continue;
}
else
{
string ns = reader.NamespaceURI;
string name = reader.LocalName;
if (FeedUtils.IsXmlns(name, ns) || FeedUtils.IsXmlSchemaType(name, ns))
{
continue;
}
string val = reader.Value;
if (!TryParseAttribute(name, ns, val, referencedCategories, version))
{
if (preserveAttributeExtensions)
{
referencedCategories.AttributeExtensions.Add(new XmlQualifiedName(reader.LocalName, reader.NamespaceURI), reader.Value);
}
else
{
SyndicationFeedFormatter.TraceSyndicationElementIgnoredOnRead(reader);
}
}
}
}
}
reader.MoveToElement();
bool isEmptyElement = reader.IsEmptyElement;
reader.ReadStartElement();
if (!isEmptyElement)
{
XmlBuffer buffer = null;
XmlDictionaryWriter extWriter = null;
try
{
while (reader.IsStartElement())
{
if (!TryParseElement(reader, referencedCategories, version))
{
if (preserveElementExtensions)
{
SyndicationFeedFormatter.CreateBufferIfRequiredAndWriteNode(ref buffer, ref extWriter, reader, maxExtensionSize);
}
else
{
SyndicationFeedFormatter.TraceSyndicationElementIgnoredOnRead(reader);
reader.Skip();
}
}
}
LoadElementExtensions(buffer, extWriter, referencedCategories);
}
finally
{
if (extWriter != null)
{
extWriter.Close();
}
}
reader.ReadEndElement();
}
}
