private void WriteElementEpm(XmlWriter writer, EpmTargetPathSegment targetSegment, EntryPropertiesValueCache epmValueCache, IEdmEntityTypeReference entityType, ref string alreadyDeclaredPrefix)
{
string prefix = targetSegment.SegmentNamespacePrefix ?? string.Empty;
writer.WriteStartElement(prefix, targetSegment.SegmentName, targetSegment.SegmentNamespaceUri);
if (prefix.Length > 0)
{
WriteNamespaceDeclaration(writer, targetSegment, ref alreadyDeclaredPrefix);
}
foreach (EpmTargetPathSegment segment in targetSegment.SubSegments)
{
if (segment.IsAttribute)
{
this.WriteAttributeEpm(writer, segment, epmValueCache, entityType, ref alreadyDeclaredPrefix);
}
}
if (targetSegment.HasContent)
{
string str2 = this.GetEntryPropertyValueAsText(targetSegment, epmValueCache, entityType);
ODataAtomWriterUtils.WriteString(writer, str2);
}
else
{
foreach (EpmTargetPathSegment segment2 in targetSegment.SubSegments)
{
if (!segment2.IsAttribute)
{
this.WriteElementEpm(writer, segment2, epmValueCache, entityType, ref alreadyDeclaredPrefix);
}
}
}
writer.WriteEndElement();
}
/// <summary>
/// Writes an Xml element with the specified primitive value as content.
/// </summary>
/// <param name="prefix">The prefix for the element's namespace.</param>
/// <param name="localName">The local name of the element.</param>
/// <param name="ns">The namespace of the element.</param>
/// <param name="textConstruct">The <see cref="AtomTextConstruct"/> value to be used as element content.</param>
internal void WriteTextConstruct(string prefix, string localName, string ns, AtomTextConstruct textConstruct)
{
DebugUtils.CheckNoExternalCallers();
Debug.Assert(prefix != null, "prefix != null");
Debug.Assert(!string.IsNullOrEmpty(localName), "!string.IsNullOrEmpty(localName)");
Debug.Assert(!string.IsNullOrEmpty(ns), "!string.IsNullOrEmpty(ns)");
this.XmlWriter.WriteStartElement(prefix, localName, ns);
if (textConstruct != null)
{
AtomTextConstructKind textKind = textConstruct.Kind;
this.XmlWriter.WriteAttributeString(AtomConstants.AtomTypeAttributeName, AtomValueUtils.ToString(textConstruct.Kind));
string textValue = textConstruct.Text;
if (textValue == null)
{
textValue = String.Empty;
}
if (textKind == AtomTextConstructKind.Xhtml)
{
ODataAtomWriterUtils.WriteRaw(this.XmlWriter, textValue);
}
else
{
ODataAtomWriterUtils.WriteString(this.XmlWriter, textValue);
}
}
this.XmlWriter.WriteEndElement();
}
internal void WriteElementWithTextContent(string prefix, string localName, string ns, string textContent)
{
this.XmlWriter.WriteStartElement(prefix, localName, ns);
if (textContent != null)
{
ODataAtomWriterUtils.WriteString(this.XmlWriter, textContent);
}
this.XmlWriter.WriteEndElement();
}
/// <summary>
/// Writes an EPM element target.
/// </summary>
/// <param name="writer">The writer to write to.</param>
/// <param name="targetSegment">The target segment describing the element to write.</param>
/// <param name="epmValueCache">The entry properties value cache to use to access the properties.</param>
/// <param name="entityType">The type of the entry.</param>
/// <param name="alreadyDeclaredPrefix">The name of the prefix if it was already declared.</param>
private void WriteElementEpm(
XmlWriter writer,
EpmTargetPathSegment targetSegment,
EntryPropertiesValueCache epmValueCache,
IEdmEntityTypeReference entityType,
ref string alreadyDeclaredPrefix)
{
Debug.Assert(writer != null, "writer != null");
Debug.Assert(targetSegment != null && !targetSegment.IsAttribute, "Only element target segments are supported by this method.");
// If the prefix is null, the WCF DS will still write it as the default namespace, so we need it to be an empty string.
string elementPrefix = targetSegment.SegmentNamespacePrefix ?? string.Empty;
writer.WriteStartElement(elementPrefix, targetSegment.SegmentName, targetSegment.SegmentNamespaceUri);
// Write out the declaration explicitly only if the prefix is not empty (just like the WCF DS does)
if (elementPrefix.Length > 0)
{
WriteNamespaceDeclaration(writer, targetSegment, ref alreadyDeclaredPrefix);
}
// Serialize the sub segment attributes first
foreach (EpmTargetPathSegment subSegment in targetSegment.SubSegments)
{
if (subSegment.IsAttribute)
{
this.WriteAttributeEpm(writer, subSegment, epmValueCache, entityType, ref alreadyDeclaredPrefix);
}
}
if (targetSegment.HasContent)
{
Debug.Assert(!targetSegment.SubSegments.Any(subSegment => !subSegment.IsAttribute), "If the segment has a content, it must not have any element children.");
string textPropertyValue = this.GetEntryPropertyValueAsText(targetSegment, epmValueCache, entityType);
ODataAtomWriterUtils.WriteString(writer, textPropertyValue);
}
else
{
// Serialize the sub segment elements now
foreach (EpmTargetPathSegment subSegment in targetSegment.SubSegments)
{
if (!subSegment.IsAttribute)
{
this.WriteElementEpm(writer, subSegment, epmValueCache, entityType, ref alreadyDeclaredPrefix);
}
}
}
// Close the element
writer.WriteEndElement();
}
/// <summary>
/// Writes an Xml element with the specified primitive value as content.
/// </summary>
/// <param name="prefix">The prefix for the element's namespace.</param>
/// <param name="localName">The local name of the element.</param>
/// <param name="ns">The namespace of the element.</param>
/// <param name="textContent">The value to be used as element content.</param>
internal void WriteElementWithTextContent(string prefix, string localName, string ns, string textContent)
{
DebugUtils.CheckNoExternalCallers();
Debug.Assert(prefix != null, "prefix != null");
Debug.Assert(!string.IsNullOrEmpty(localName), "!string.IsNullOrEmpty(localName)");
Debug.Assert(!string.IsNullOrEmpty(ns), "!string.IsNullOrEmpty(ns)");
this.XmlWriter.WriteStartElement(prefix, localName, ns);
if (textContent != null)
{
ODataAtomWriterUtils.WriteString(this.XmlWriter, textContent);
}
this.XmlWriter.WriteEndElement();
}
internal void WriteTextConstruct(string prefix, string localName, string ns, AtomTextConstruct textConstruct)
{
base.XmlWriter.WriteStartElement(prefix, localName, ns);
if (textConstruct != null)
{
AtomTextConstructKind kind = textConstruct.Kind;
base.XmlWriter.WriteAttributeString("type", AtomValueUtils.ToString(textConstruct.Kind));
string text = textConstruct.Text;
if (text == null)
{
text = string.Empty;
}
if (kind == AtomTextConstructKind.Xhtml)
{
ODataAtomWriterUtils.WriteRaw(base.XmlWriter, text);
}
else
{
ODataAtomWriterUtils.WriteString(base.XmlWriter, text);
}
}
base.XmlWriter.WriteEndElement();
}
internal void WriteFeedMetadata(AtomFeedMetadata feedMetadata, ODataFeed feed, string updatedTime, out bool authorWritten)
{
DebugUtils.CheckNoExternalCallers();
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;
this.WriteElementWithTextContent(
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
this.WriteTextConstruct(AtomConstants.AtomNamespacePrefix, AtomConstants.AtomTitleElementName, AtomConstants.AtomNamespace, feedMetadata.Title);
if (feedMetadata.Subtitle != null)
{
// <atom:subtitle>text</atom:subtitle>
this.WriteTextConstruct(AtomConstants.AtomNamespacePrefix, AtomConstants.AtomSubtitleElementName, AtomConstants.AtomNamespace, feedMetadata.Subtitle);
}
// <atom:updated>date</atom:updated>
// NOTE: the <updated> element is required and if not specified we use a single 'default/current' date/time for the whole payload.
string updated = feedMetadata.Updated.HasValue ? ODataAtomConvert.ToAtomString(feedMetadata.Updated.Value) : updatedTime;
this.WriteElementWithTextContent(
AtomConstants.AtomNamespacePrefix,
AtomConstants.AtomUpdatedElementName,
AtomConstants.AtomNamespace,
updated);
AtomLinkMetadata selfLinkMetadata = feedMetadata.SelfLink;
if (selfLinkMetadata != null)
{
AtomLinkMetadata mergedSelfLinkMetadata = ODataAtomWriterMetadataUtils.MergeLinkMetadata(
selfLinkMetadata,
AtomConstants.AtomSelfRelationAttributeValue,
null /* href */,
null /* title */,
null /* media type */);
this.WriteAtomLink(mergedSelfLinkMetadata, null /*etag*/);
}
IEnumerable <AtomLinkMetadata> links = feedMetadata.Links;
if (links != null)
{
foreach (AtomLinkMetadata link in links)
{
// DeltaLink is written from ODataFeed, so it shouldn't be written again from AtomFeedMetadata.
if (link.Relation != AtomConstants.AtomDeltaRelationAttributeValue)
{
// <atom:link>...</atom:link>
this.WriteAtomLink(link, null /* etag */);
}
}
}
IEnumerable <AtomCategoryMetadata> categories = feedMetadata.Categories;
if (categories != null)
{
foreach (AtomCategoryMetadata category in categories)
{
// <atom:category term="..." scheme="..." label="..."></atom:category>
this.WriteCategory(category);
}
}
Uri logo = feedMetadata.Logo;
if (logo != null)
{
// <atom:logo>Uri</atom:logo>
this.WriteElementWithTextContent(
AtomConstants.AtomNamespacePrefix,
AtomConstants.AtomLogoElementName,
AtomConstants.AtomNamespace,
this.UriToUrlAttributeValue(logo));
}
if (feedMetadata.Rights != null)
{
// <atom:rights>rights</atom:rights>
this.WriteTextConstruct(
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>
this.XmlWriter.WriteStartElement(AtomConstants.AtomNamespacePrefix, AtomConstants.AtomContributorElementName, AtomConstants.AtomNamespace);
this.WritePersonMetadata(contributor);
this.XmlWriter.WriteEndElement();
}
}
AtomGeneratorMetadata generator = feedMetadata.Generator;
if (generator != null)
{
// <atom:generator uri="..." version="...">name</atom:generator>
this.XmlWriter.WriteStartElement(AtomConstants.AtomNamespacePrefix, AtomConstants.AtomGeneratorElementName, AtomConstants.AtomNamespace);
if (generator.Uri != null)
{
this.XmlWriter.WriteAttributeString(AtomConstants.AtomGeneratorUriAttributeName, this.UriToUrlAttributeValue(generator.Uri));
}
if (!string.IsNullOrEmpty(generator.Version))
{
this.XmlWriter.WriteAttributeString(AtomConstants.AtomGeneratorVersionAttributeName, generator.Version);
}
ODataAtomWriterUtils.WriteString(this.XmlWriter, generator.Name);
this.XmlWriter.WriteEndElement();
}
Uri icon = feedMetadata.Icon;
if (icon != null)
{
// <atom:icon>Uri</atom:icon>
this.WriteElementWithTextContent(
AtomConstants.AtomNamespacePrefix,
AtomConstants.AtomIconElementName,
AtomConstants.AtomNamespace,
this.UriToUrlAttributeValue(icon));
}
IEnumerable <AtomPersonMetadata> authors = feedMetadata.Authors;
authorWritten = false;
if (authors != null)
{
foreach (AtomPersonMetadata author in authors)
{
// <atom:author>author data</atom:author>
authorWritten = true;
this.XmlWriter.WriteStartElement(AtomConstants.AtomNamespacePrefix, AtomConstants.AtomAuthorElementName, AtomConstants.AtomNamespace);
this.WritePersonMetadata(author);
this.XmlWriter.WriteEndElement();
}
}
}
internal void WriteFeedMetadata(AtomFeedMetadata feedMetadata, ODataFeed feed, string updatedTime, out bool authorWritten)
{
string textContent = (feed == null) ? feedMetadata.SourceId : feed.Id;
base.WriteElementWithTextContent("", "id", "http://www.w3.org/2005/Atom", textContent);
base.WriteTextConstruct("", "title", "http://www.w3.org/2005/Atom", feedMetadata.Title);
if (feedMetadata.Subtitle != null)
{
base.WriteTextConstruct("", "subtitle", "http://www.w3.org/2005/Atom", feedMetadata.Subtitle);
}
string str2 = feedMetadata.Updated.HasValue ? ODataAtomConvert.ToAtomString(feedMetadata.Updated.Value) : updatedTime;
base.WriteElementWithTextContent("", "updated", "http://www.w3.org/2005/Atom", str2);
AtomLinkMetadata selfLink = feedMetadata.SelfLink;
if (selfLink != null)
{
AtomLinkMetadata linkMetadata = ODataAtomWriterMetadataUtils.MergeLinkMetadata(selfLink, "self", null, null, null);
base.WriteAtomLink(linkMetadata, null);
}
IEnumerable <AtomLinkMetadata> links = feedMetadata.Links;
if (links != null)
{
foreach (AtomLinkMetadata metadata3 in links)
{
base.WriteAtomLink(metadata3, null);
}
}
IEnumerable <AtomCategoryMetadata> categories = feedMetadata.Categories;
if (categories != null)
{
foreach (AtomCategoryMetadata metadata4 in categories)
{
base.WriteCategory(metadata4);
}
}
Uri logo = feedMetadata.Logo;
if (logo != null)
{
base.WriteElementWithTextContent("", "logo", "http://www.w3.org/2005/Atom", base.UriToUrlAttributeValue(logo));
}
if (feedMetadata.Rights != null)
{
base.WriteTextConstruct("", "rights", "http://www.w3.org/2005/Atom", feedMetadata.Rights);
}
IEnumerable <AtomPersonMetadata> contributors = feedMetadata.Contributors;
if (contributors != null)
{
foreach (AtomPersonMetadata metadata5 in contributors)
{
base.XmlWriter.WriteStartElement("", "contributor", "http://www.w3.org/2005/Atom");
base.WritePersonMetadata(metadata5);
base.XmlWriter.WriteEndElement();
}
}
AtomGeneratorMetadata generator = feedMetadata.Generator;
if (generator != null)
{
base.XmlWriter.WriteStartElement("", "generator", "http://www.w3.org/2005/Atom");
if (generator.Uri != null)
{
base.XmlWriter.WriteAttributeString("uri", base.UriToUrlAttributeValue(generator.Uri));
}
if (!string.IsNullOrEmpty(generator.Version))
{
base.XmlWriter.WriteAttributeString("version", generator.Version);
}
ODataAtomWriterUtils.WriteString(base.XmlWriter, generator.Name);
base.XmlWriter.WriteEndElement();
}
Uri icon = feedMetadata.Icon;
if (icon != null)
{
base.WriteElementWithTextContent("", "icon", "http://www.w3.org/2005/Atom", base.UriToUrlAttributeValue(icon));
}
IEnumerable <AtomPersonMetadata> authors = feedMetadata.Authors;
authorWritten = false;
if (authors != null)
{
foreach (AtomPersonMetadata metadata7 in authors)
{
authorWritten = true;
base.XmlWriter.WriteStartElement("", "author", "http://www.w3.org/2005/Atom");
base.WritePersonMetadata(metadata7);
base.XmlWriter.WriteEndElement();
}
}
}