/// <summary>
/// Writes the self or edit link.
/// </summary>
/// <param name="writer">The Xml writer to write to.</param>
/// <param name="baseUri">The base Uri of the document or null if none was specified.</param>
/// <param name="link">Uri object for the link.</param>
/// <param name="linkRelation">Relationship value. Either "edit" or "self".</param>
/// <param name="title">Title for the link.</param>
internal static void WriteReadOrEditLink(XmlWriter writer, Uri baseUri, Uri link, string linkRelation, string title)
{
DebugUtils.CheckNoExternalCallers();
Debug.Assert(writer != null, "writer != null");
if (link != null)
{
// <atom:link>
writer.WriteStartElement(
AtomConstants.AtomNamespacePrefix,
AtomConstants.AtomLinkElementName,
AtomConstants.AtomNamespace);
writer.WriteAttributeString(
AtomConstants.AtomLinkRelationAttributeName,
linkRelation);
writer.WriteAttributeString(
AtomConstants.AtomTitleElementName,
title ?? String.Empty);
writer.WriteAttributeString(
AtomConstants.AtomHRefAttributeName,
AtomUtils.ToUrlAttributeValue(link, baseUri));
// </atom:link>
writer.WriteEndElement();
}
}
/// <summary>
/// Write the metadata for an OData association link; makes sure any duplicate of the link's values duplicated in metadata are equal.
/// </summary>
/// <param name="writer">The Xml writer to write to.</param>
/// <param name="baseUri">The base Uri of the document or null if none was specified.</param>
/// <param name="entry">The entry for which to write the association link.</param>
/// <param name="associationLink">The association link for which to write the metadata.</param>
internal static void WriteODataAssociationLinkMetadata(XmlWriter writer, Uri baseUri, ODataEntry entry, ODataAssociationLink associationLink)
{
DebugUtils.CheckNoExternalCallers();
Debug.Assert(writer != null, "writer != null");
Debug.Assert(entry != null, "entry != null");
Debug.Assert(associationLink != null, "link != null");
Debug.Assert(!string.IsNullOrEmpty(associationLink.Name), "The link name was not verified yet.");
Debug.Assert(associationLink.Url != null, "The link Url was not verified yet.");
string linkRelation = AtomUtils.ComputeODataAssociationLinkRelation(associationLink);
string linkHref = AtomUtils.ToUrlAttributeValue(associationLink.Url, baseUri);
string linkHrefLang = null;
string linkType = MimeConstants.MimeApplicationXml;
string linkTitle = associationLink.Name;
int? linkLength = null;
AtomLinkMetadata linkMetadata = null;
AtomEntryMetadata entryMetadata = entry.Atom();
if (entryMetadata != null)
{
// TODO: Determine the link metadata from the entry
}
if (linkMetadata != null)
{
Uri metadataHref = linkMetadata.Href;
if (metadataHref != null)
{
string metadataHrefString = AtomUtils.ToUrlAttributeValue(metadataHref, baseUri);
if (metadataHrefString != linkHref)
{
throw new ODataException(Strings.ODataAtomWriter_LinkMetadataHrefMustBeEqualWithLinkUrl(metadataHrefString, linkHref));
}
}
string metadataRelation = linkMetadata.Relation;
if (metadataRelation != null && metadataRelation != linkRelation)
{
throw new ODataException(Strings.ODataAtomWriter_LinkMetadataRelationMustBeEqualWithComputedRelation(metadataRelation, linkRelation));
}
string metadataType = linkMetadata.MediaType;
if (metadataType != null && metadataType != linkType)
{
throw new ODataException(Strings.ODataAtomWriter_LinkMetadataMediaTypeMustBeEqualWithComputedType(metadataRelation, linkType));
}
string metadataTitle = linkMetadata.Title;
if (metadataTitle != null && metadataTitle != linkTitle)
{
throw new ODataException(Strings.ODataAtomWriter_LinkMetadataTitleMustBeEqualWithLinkName(metadataTitle, linkTitle));
}
linkHrefLang = linkMetadata.HrefLang;
linkLength = linkMetadata.Length;
}
WriteAtomLinkMetadataAttributes(writer, linkRelation, linkHref, linkHrefLang, linkTitle, linkType, linkLength);
}
/// <summary>
/// Writes the specified start/end tags and the specified person metadata as content
/// </summary>
/// <param name="writer">The Xml writer to write to.</param>
/// <param name="baseUri">The base Uri of the document or null if none was specified.</param>
/// <param name="personMetadata">The person metadata to write.</param>
internal static void WritePersonMetadata(XmlWriter writer, Uri baseUri, AtomPersonMetadata personMetadata)
{
DebugUtils.CheckNoExternalCallers();
Debug.Assert(writer != null, "writer != null");
Debug.Assert(personMetadata != null, "Person metadata must not be null.");
// <atom:name>name of person</atom:name>
// NOTE: write an empty element if no name is specified because the element is required.
ODataAtomWriterUtils.WriteElementWithTextContent(writer, AtomConstants.AtomNamespacePrefix, AtomConstants.AtomPersonNameElementName, AtomConstants.AtomNamespace, personMetadata.Name);
string uriString = personMetadata.UriFromEpm;
if (uriString != null)
{
Debug.Assert(
personMetadata.Uri == null,
"If the internal UriFromEpm was used, then the Uri property must be left null. The merge between custom and EPM is probably wrong.");
}
else
{
Uri uri = personMetadata.Uri;
if (uri != null)
{
uriString = AtomUtils.ToUrlAttributeValue(uri, baseUri);
}
}
if (uriString != null)
{
ODataAtomWriterUtils.WriteElementWithTextContent(
writer,
AtomConstants.AtomNamespacePrefix,
AtomConstants.AtomPersonUriElementName,
AtomConstants.AtomNamespace,
uriString);
}
string email = personMetadata.Email;
if (email != null)
{
ODataAtomWriterUtils.WriteElementWithTextContent(
writer,
AtomConstants.AtomNamespacePrefix,
AtomConstants.AtomPersonEmailElementName,
AtomConstants.AtomNamespace,
email);
}
}
/// <summary>
/// Write the metadata of a link in ATOM format
/// </summary>
/// <param name="writer">The Xml writer to write to.</param>
/// <param name="baseUri">The base Uri of the document or null if none was specified.</param>
/// <param name="linkMetadata">The link metadata to write.</param>
internal static void WriteAtomLinkMetadata(XmlWriter writer, Uri baseUri, AtomLinkMetadata linkMetadata)
{
DebugUtils.CheckNoExternalCallers();
Debug.Assert(writer != null, "writer != null");
Debug.Assert(linkMetadata != null, "Link metadata must not be null.");
// <atom:link ... >
writer.WriteStartElement(AtomConstants.AtomNamespacePrefix, AtomConstants.AtomLinkElementName, AtomConstants.AtomNamespace);
string linkHref = linkMetadata.Href == null ? null : AtomUtils.ToUrlAttributeValue(linkMetadata.Href, baseUri);
WriteAtomLinkMetadataAttributes(writer, linkMetadata.Relation, linkHref, linkMetadata.HrefLang, linkMetadata.Title, linkMetadata.MediaType, linkMetadata.Length);
// </atom:link>
writer.WriteEndElement();
}
/// <summary>
/// Write the ATOM metadata for an entry
/// </summary>
/// <param name="writer">The Xml writer to write to.</param>
/// <param name="baseUri">The base Uri of the document or null if none was specified.</param>
/// <param name="entry">The entry for which to write the metadata.</param>
/// <param name="epmEntryMetadata">The ATOM metadata for the entry which came from EPM.</param>
internal static void WriteEntryMetadata(XmlWriter writer, Uri baseUri, ODataEntry entry, AtomEntryMetadata epmEntryMetadata)
{
DebugUtils.CheckNoExternalCallers();
Debug.Assert(writer != null, "writer != null");
// TODO, ckerer: implement the rule around authors (an entry has to have an author directly or in the <entry:source> unless the feed has an author).
// currently we make all entries have an author.
AtomEntryMetadata customEntryMetadata = entry.GetAnnotation <AtomEntryMetadata>();
AtomEntryMetadata entryMetadata = ODataAtomWriterMetadataEpmMergeUtils.MergeCustomAndEpmEntryMetadata(customEntryMetadata, epmEntryMetadata);
if (entryMetadata == null)
{
// write all required metadata elements with default content
// <atom:title></atom:title>
ODataAtomWriterUtils.WriteEmptyElement(writer, AtomConstants.AtomNamespacePrefix, AtomConstants.AtomTitleElementName, AtomConstants.AtomNamespace);
// <atom:updated>dateTimeOffset</atom:updated>
// NOTE: the <updated> element is required and if not specified the best we can do is to create a default
// one with the current date/time.
ODataAtomWriterUtils.WriteElementWithTextContent(writer, AtomConstants.AtomNamespacePrefix, AtomConstants.AtomUpdatedElementName, AtomConstants.AtomNamespace, ODataAtomConvert.ToString(DateTimeOffset.UtcNow));
WriteEmptyAuthor(writer);
}
else
{
// <atom:title>text</atom:title>
// NOTE: writes an empty element even if no title was specified since the title is required
ODataAtomWriterMetadataUtils.WriteTextConstruct(writer, AtomConstants.AtomNamespacePrefix, AtomConstants.AtomTitleElementName, AtomConstants.AtomNamespace, entryMetadata.Title);
AtomTextConstruct summary = entryMetadata.Summary;
if (summary != null)
{
// <atom:summary>text</atom:summary>
ODataAtomWriterMetadataUtils.WriteTextConstruct(writer, AtomConstants.AtomNamespacePrefix, AtomConstants.AtomSummaryElementName, AtomConstants.AtomNamespace, summary);
}
DateTimeOffset?published = entryMetadata.Published;
if (published.HasValue)
{
// <atom:published>dateTimeOffset</atom:published>
ODataAtomWriterUtils.WriteElementWithTextContent(writer, AtomConstants.AtomNamespacePrefix, AtomConstants.AtomPublishedElementName, AtomConstants.AtomNamespace, ODataAtomConvert.ToString(published.Value));
}
// <atom:updated>date</atom:updated>
// NOTE: the <updated> element is required and if not specified the best we can do is to create a default
// one with the current date/time.
DateTimeOffset updated = entryMetadata.Updated.HasValue ? entryMetadata.Updated.Value : DateTimeOffset.UtcNow;
ODataAtomWriterUtils.WriteElementWithTextContent(
writer,
AtomConstants.AtomNamespacePrefix,
AtomConstants.AtomUpdatedElementName,
AtomConstants.AtomNamespace,
ODataAtomConvert.ToString(updated));
bool wroteAuthor = false;
IEnumerable <AtomPersonMetadata> authors = entryMetadata.Authors;
if (authors != null)
{
foreach (AtomPersonMetadata author in authors)
{
if (author == null)
{
throw new ODataException(Strings.ODataAtomWriterMetadataUtils_AuthorMetadataMustNotContainNull);
}
// <atom:author>author data</atom:author>
writer.WriteStartElement(AtomConstants.AtomNamespacePrefix, AtomConstants.AtomAuthorElementName, AtomConstants.AtomNamespace);
WritePersonMetadata(writer, baseUri, author);
writer.WriteEndElement();
wroteAuthor = true;
}
}
if (!wroteAuthor)
{
// write empty authors since they are required
WriteEmptyAuthor(writer);
}
IEnumerable <AtomPersonMetadata> contributors = entryMetadata.Contributors;
if (contributors != null)
{
foreach (AtomPersonMetadata contributor in contributors)
{
if (contributor == null)
{
throw new ODataException(Strings.ODataAtomWriterMetadataUtils_ContributorMetadataMustNotContainNull);
}
// <atom:contributor>contributor data</atom:contributor>
writer.WriteStartElement(AtomConstants.AtomNamespacePrefix, AtomConstants.AtomContributorElementName, AtomConstants.AtomNamespace);
WritePersonMetadata(writer, baseUri, contributor);
writer.WriteEndElement();
}
}
IEnumerable <AtomLinkMetadata> links = entryMetadata.Links;
if (links != null)
{
foreach (AtomLinkMetadata link in links)
{
if (link == null)
{
throw new ODataException(Strings.ODataAtomWriterMetadataUtils_LinkMetadataMustNotContainNull);
}
// <atom:link>...</atom:link>
WriteAtomLinkMetadata(writer, baseUri, link);
}
}
IEnumerable <AtomCategoryMetadata> categories = entryMetadata.Categories;
if (categories != null)
{
foreach (AtomCategoryMetadata category in categories)
{
if (category == null)
{
throw new ODataException(Strings.ODataAtomWriterMetadataUtils_CategoryMetadataMustNotContainNull);
}
// <atom:category term="..." scheme="..." label="..."></atom:category>
WriteCategory(writer, category);
}
}
if (entryMetadata.Rights != null)
{
// <atom:rights>rights</atom:rights>
ODataAtomWriterMetadataUtils.WriteTextConstruct(writer, AtomConstants.AtomNamespacePrefix, AtomConstants.AtomRightsElementName, AtomConstants.AtomNamespace, entryMetadata.Rights);
}
Uri icon = entryMetadata.Icon;
if (icon != null)
{
// <atom:icon>Uri</atom:icon>
ODataAtomWriterUtils.WriteElementWithTextContent(
writer,
AtomConstants.AtomNamespacePrefix,
AtomConstants.AtomIconElementName,
AtomConstants.AtomNamespace,
AtomUtils.ToUrlAttributeValue(icon, baseUri));
}
AtomFeedMetadata source = entryMetadata.Source;
if (source != null)
{
// <atom:source>
writer.WriteStartElement(AtomConstants.AtomNamespacePrefix, AtomConstants.AtomSourceElementName, AtomConstants.AtomNamespace);
WriteFeedMetadata(writer, baseUri, source, null);
// </atom:source>
writer.WriteEndElement();
}
}
}
/// <summary>
/// Write the given feed metadata in atom format
/// </summary>
/// <param name="writer">The Xml writer to write to.</param>
/// <param name="baseUri">The base Uri of the document or null if none was specified.</param>
/// <param name="feedMetadata">The metadata to write.</param>
/// <param name="feed">The feed for which to write the meadata or null if it is the metadata of an atom:source element.</param>
private static void WriteFeedMetadata(XmlWriter writer, Uri baseUri, AtomFeedMetadata feedMetadata, ODataFeed feed)
{
Debug.Assert(writer != null, "writer != null");
Debug.Assert(feedMetadata != null, "Feed metadata must not be null!");
// <atom:id>text</atom:id>
// NOTE: this is the Id of the feed. For a regular feed this is stored on the feed itself;
// if used in the context of an <atom:source> element it is stored in metadata
Debug.Assert(feed == null || !string.IsNullOrEmpty(feed.Id), "The feed Id should have been validated by now.");
string id = feed == null ? feedMetadata.SourceId : feed.Id;
ODataAtomWriterUtils.WriteElementWithTextContent(
writer,
AtomConstants.AtomNamespacePrefix,
AtomConstants.AtomIdElementName,
AtomConstants.AtomNamespace,
id);
// <atom:title>text</atom:title>
// NOTE: write an empty element if no title is specified since the element is required
ODataAtomWriterMetadataUtils.WriteTextConstruct(writer, AtomConstants.AtomNamespacePrefix, AtomConstants.AtomTitleElementName, AtomConstants.AtomNamespace, feedMetadata.Title);
if (feedMetadata.Subtitle != null)
{
// <atom:subtitle>text</atom:subtitle>
ODataAtomWriterMetadataUtils.WriteTextConstruct(writer, AtomConstants.AtomNamespacePrefix, AtomConstants.AtomSubtitleElementName, AtomConstants.AtomNamespace, feedMetadata.Subtitle);
}
// <atom:updated>date</atom:updated>
// NOTE: the <updated> element is required and if not specified the best we can do is to create a default
// one with the current date/time.
DateTimeOffset updated = feedMetadata.Updated.HasValue ? feedMetadata.Updated.Value : DateTimeOffset.UtcNow;
ODataAtomWriterUtils.WriteElementWithTextContent(
writer,
AtomConstants.AtomNamespacePrefix,
AtomConstants.AtomUpdatedElementName,
AtomConstants.AtomNamespace,
ODataAtomConvert.ToString(updated));
IEnumerable <AtomPersonMetadata> authors = feedMetadata.Authors;
if (authors != null)
{
foreach (AtomPersonMetadata author in authors)
{
// <atom:author>author data</atom:author>
writer.WriteStartElement(AtomConstants.AtomNamespacePrefix, AtomConstants.AtomAuthorElementName, AtomConstants.AtomNamespace);
WritePersonMetadata(writer, baseUri, author);
writer.WriteEndElement();
}
}
IEnumerable <AtomLinkMetadata> links = feedMetadata.Links;
if (links != null)
{
foreach (AtomLinkMetadata link in links)
{
// <atom:link>...</atom:link>
WriteAtomLinkMetadata(writer, baseUri, link);
}
}
IEnumerable <AtomCategoryMetadata> categories = feedMetadata.Categories;
if (categories != null)
{
foreach (AtomCategoryMetadata category in categories)
{
// <atom:category term="..." scheme="..." label="..."></atom:category>
WriteCategory(writer, category);
}
}
Uri logo = feedMetadata.Logo;
if (logo != null)
{
// <atom:logo>Uri</atom:logo>
ODataAtomWriterUtils.WriteElementWithTextContent(
writer,
AtomConstants.AtomNamespacePrefix,
AtomConstants.AtomLogoElementName,
AtomConstants.AtomNamespace,
AtomUtils.ToUrlAttributeValue(logo, baseUri));
}
if (feedMetadata.Rights != null)
{
// <atom:rights>rights</atom:rights>
ODataAtomWriterMetadataUtils.WriteTextConstruct(
writer,
AtomConstants.AtomNamespacePrefix,
AtomConstants.AtomRightsElementName,
AtomConstants.AtomNamespace,
feedMetadata.Rights);
}
IEnumerable <AtomPersonMetadata> contributors = feedMetadata.Contributors;
if (contributors != null)
{
foreach (AtomPersonMetadata contributor in contributors)
{
// <atom:contributor>contributor data</atom:contributor>
writer.WriteStartElement(AtomConstants.AtomNamespacePrefix, AtomConstants.AtomContributorElementName, AtomConstants.AtomNamespace);
WritePersonMetadata(writer, baseUri, contributor);
writer.WriteEndElement();
}
}
AtomGeneratorMetadata generator = feedMetadata.Generator;
if (generator != null)
{
// <atom:generator uri="..." version="...">name</atom:generator>
writer.WriteStartElement(AtomConstants.AtomNamespacePrefix, AtomConstants.AtomGeneratorElementName, AtomConstants.AtomNamespace);
if (generator.Uri != null)
{
writer.WriteAttributeString(AtomConstants.AtomGeneratorUriAttributeName, AtomUtils.ToUrlAttributeValue(generator.Uri, baseUri));
}
if (!string.IsNullOrEmpty(generator.Version))
{
writer.WriteAttributeString(AtomConstants.AtomGeneratorVersionAttributeName, generator.Version);
}
writer.WriteString(generator.Name);
writer.WriteEndElement();
}
Uri icon = feedMetadata.Icon;
if (icon != null)
{
// <atom:icon>Uri</atom:icon>
ODataAtomWriterUtils.WriteElementWithTextContent(
writer,
AtomConstants.AtomNamespacePrefix,
AtomConstants.AtomIconElementName,
AtomConstants.AtomNamespace,
AtomUtils.ToUrlAttributeValue(icon, baseUri));
}
}
/// <summary>
/// Writes a named stream to the ATOM payload including an
/// </summary>
/// <param name="writer">The Xml writer to write to.</param>
/// <param name="baseUri">The base Uri of the document or null if none was specified.</param>
/// <param name="namedStream">The named stream to create the payload for.</param>
internal static void WriteNamedStream(XmlWriter writer, Uri baseUri, ODataMediaResource namedStream)
{
DebugUtils.CheckNoExternalCallers();
Debug.Assert(writer != null, "writer != null");
Debug.Assert(namedStream != null, "Named stream must not be null.");
// <atom:link rel="...2007/08/dataservices/mediaresource/name">
writer.WriteStartElement(
AtomConstants.AtomNamespacePrefix,
AtomConstants.AtomLinkElementName,
AtomConstants.AtomNamespace);
writer.WriteAttributeString(
AtomConstants.AtomLinkRelationAttributeName,
AtomUtils.ComputeNamedStreamRelation(namedStream, false));
writer.WriteAttributeString(
AtomConstants.AtomTitleElementName,
namedStream.Name);
Uri readLink = namedStream.ReadLink;
if (readLink != null)
{
// TODO, ckerer: should we throw when no source link is provided?
writer.WriteAttributeString(
AtomConstants.AtomHRefAttributeName,
AtomUtils.ToUrlAttributeValue(readLink, baseUri));
}
writer.WriteAttributeString(
AtomConstants.AtomTypeAttributeName,
namedStream.ContentType);
writer.WriteEndElement();
if (namedStream.EditLink != null)
{
// <atom:link rel="...2007/08/dataservices/edit-media/name">
writer.WriteStartElement(
AtomConstants.AtomNamespacePrefix,
AtomConstants.AtomLinkElementName,
AtomConstants.AtomNamespace);
writer.WriteAttributeString(
AtomConstants.AtomLinkRelationAttributeName,
AtomUtils.ComputeNamedStreamRelation(namedStream, true));
writer.WriteAttributeString(
AtomConstants.AtomTitleElementName,
namedStream.Name);
Uri editLink = namedStream.EditLink;
if (editLink != null)
{
writer.WriteAttributeString(
AtomConstants.AtomHRefAttributeName,
AtomUtils.ToUrlAttributeValue(editLink, baseUri));
}
writer.WriteAttributeString(
AtomConstants.AtomTypeAttributeName,
namedStream.ContentType);
string etag = namedStream.ETag;
if (etag != null)
{
WriteETag(writer, etag);
}
writer.WriteEndElement();
}
}
/// <summary>
/// Write the content of the given entry.
/// </summary>
/// <param name="entry">The entry for which to write properties.</param>
/// <param name="entryType">The <see cref="ResourceType"/> of the entry (or null if not metadata is available).</param>
/// <param name="propertiesValueCache">The cache of properties.</param>
/// <param name="rootSourcePathSegment">The root of the EPM source tree, if there's an EPM applied.</param>
private void WriteEntryContent(ODataEntry entry, ResourceType entryType, EntryPropertiesValueCache propertiesValueCache, EpmSourcePathSegment rootSourcePathSegment)
{
Debug.Assert(entry != null, "entry != null");
Debug.Assert(propertiesValueCache != null, "propertiesValueCache != null");
ODataMediaResource mediaResource = entry.MediaResource;
if (mediaResource == null)
{
// <content type="application/xml">
this.writer.WriteStartElement(
AtomConstants.AtomNamespacePrefix,
AtomConstants.AtomContentElementName,
AtomConstants.AtomNamespace);
this.writer.WriteAttributeString(
AtomConstants.AtomTypeAttributeName,
MimeConstants.MimeApplicationXml);
// <m:properties>
// we always write the <m:properties> element even if there are no properties
this.writer.WriteStartElement(
AtomConstants.ODataMetadataNamespacePrefix,
AtomConstants.AtomPropertiesElementName,
AtomConstants.ODataMetadataNamespace);
ODataAtomWriterUtils.WriteProperties(
this.writer,
this.MetadataProvider,
entryType,
propertiesValueCache.EntryProperties,
this.Version,
false,
propertiesValueCache,
rootSourcePathSegment);
// </m:properties>
this.writer.WriteEndElement();
// </content>
this.writer.WriteEndElement();
}
else
{
Uri mediaEditLink = mediaResource.EditLink;
if (mediaEditLink != null)
{
// <link rel="edit-media" href="href" />
this.writer.WriteStartElement(
AtomConstants.AtomNamespacePrefix,
AtomConstants.AtomLinkElementName,
AtomConstants.AtomNamespace);
this.writer.WriteAttributeString(
AtomConstants.AtomLinkRelationAttributeName,
AtomConstants.AtomEditMediaRelationAttributeValue);
this.writer.WriteAttributeString(
AtomConstants.AtomHRefAttributeName,
AtomUtils.ToUrlAttributeValue(mediaEditLink, this.BaseUri));
string mediaETag = mediaResource.ETag;
if (mediaETag != null)
{
this.writer.WriteAttributeString(
AtomConstants.ODataMetadataNamespacePrefix,
AtomConstants.ODataETagAttributeName,
AtomConstants.ODataMetadataNamespace,
mediaETag);
}
// </link>
this.writer.WriteEndElement();
}
Debug.Assert(mediaEditLink != null || mediaResource.ETag == null, "The default stream edit link and etag should have been validated by now.");
// <content type="type" src="src">
this.writer.WriteStartElement(
AtomConstants.AtomNamespacePrefix,
AtomConstants.AtomContentElementName,
AtomConstants.AtomNamespace);
Debug.Assert(!string.IsNullOrEmpty(mediaResource.ContentType), "The default stream content type should have been validated by now.");
this.writer.WriteAttributeString(
AtomConstants.AtomTypeAttributeName,
mediaResource.ContentType);
Debug.Assert(mediaResource.ReadLink != null, "The default stream read link should have been validated by now.");
this.writer.WriteAttributeString(
AtomConstants.MediaLinkEntryContentSourceAttributeName,
AtomUtils.ToUrlAttributeValue(mediaResource.ReadLink, this.BaseUri));
// </content>
this.writer.WriteEndElement();
// <m:properties>
// we always write the <m:properties> element even if there are no properties
this.writer.WriteStartElement(
AtomConstants.ODataMetadataNamespacePrefix,
AtomConstants.AtomPropertiesElementName,
AtomConstants.ODataMetadataNamespace);
ODataAtomWriterUtils.WriteProperties(
this.writer,
this.MetadataProvider,
entryType,
propertiesValueCache.EntryProperties,
this.Version,
false,
propertiesValueCache,
rootSourcePathSegment);
// </m:properties>
this.writer.WriteEndElement();
}
}
/// <summary>
/// Finish writing a feed.
/// </summary>
/// <param name="feed">The feed to write.</param>
protected override void EndFeed(ODataFeed feed)
{
Debug.Assert(feed != null, "feed != null");
Uri nextPageLink = feed.NextPageLink;
if (nextPageLink != null)
{
// <atom:link rel="next" href="next-page-link" />
this.writer.WriteStartElement(AtomConstants.AtomNamespacePrefix, AtomConstants.AtomLinkElementName, AtomConstants.AtomNamespace);
this.writer.WriteAttributeString(AtomConstants.AtomLinkRelationAttributeName, AtomConstants.AtomLinkRelationNextAttributeValue);
this.writer.WriteAttributeString(AtomConstants.AtomHRefAttributeName, AtomUtils.ToUrlAttributeValue(nextPageLink, this.BaseUri));
this.writer.WriteEndElement();
}
ODataAtomWriterMetadataUtils.WriteFeedMetadata(this.writer, this.BaseUri, feed);
// </atom:feed>
this.writer.WriteEndElement();
}
