private static string CreateDateTimeStringValue(object propertyValue, ODataWriterBehavior writerBehavior)
{
Debug.Assert(
writerBehavior.FormatBehaviorKind == ODataBehaviorKind.WcfDataServicesClient,
"CreateDateTimeStringValue should only be used in WCF DS client mode.");
if (propertyValue == null)
{
propertyValue = DateTimeOffset.Now;
}
if (propertyValue is DateTime)
{
// DateTimeOffset takes care of DateTimes of Unspecified kind so we won't end up
// with datetime without timezone info mapped to atom:updated or atom:published element.
propertyValue = new DateTimeOffset((DateTime)propertyValue);
}
// For DateTimeOffset values we need to use the ATOM format when translating them
// to strings since the value will be used in ATOM metadata.
if (propertyValue is DateTimeOffset)
{
return(ODataAtomConvert.ToAtomString((DateTimeOffset)propertyValue));
}
return(EpmWriterUtils.GetPropertyValueAsText(propertyValue));
}
internal ODataAtomWriter(ODataAtomOutputContext atomOutputContext, bool writingFeed) : base(atomOutputContext, writingFeed)
{
this.updatedTime = ODataAtomConvert.ToAtomString(DateTimeOffset.UtcNow);
this.atomOutputContext = atomOutputContext;
if (this.atomOutputContext.MessageWriterSettings.WriterBehavior.StartEntryXmlCustomizationCallback != null)
{
this.atomOutputContext.InitializeWriterCustomization();
}
this.atomEntryAndFeedSerializer = new ODataAtomEntryAndFeedSerializer(this.atomOutputContext);
}
private static string CreateDateTimeStringValue(object propertyValue, ODataWriterBehavior writerBehavior)
{
if (propertyValue == null)
{
propertyValue = DateTimeOffset.Now;
}
if (propertyValue is DateTime)
{
propertyValue = new DateTimeOffset((DateTime)propertyValue);
}
if (propertyValue is DateTimeOffset)
{
return(ODataAtomConvert.ToAtomString((DateTimeOffset)propertyValue));
}
return(EpmWriterUtils.GetPropertyValueAsText(propertyValue));
}
internal static AtomEntryMetadata MergeCustomAndEpmEntryMetadata(AtomEntryMetadata customEntryMetadata, AtomEntryMetadata epmEntryMetadata, ODataWriterBehavior writerBehavior)
{
AtomEntryMetadata metadata;
if ((customEntryMetadata != null) && (writerBehavior.FormatBehaviorKind == ODataBehaviorKind.WcfDataServicesClient))
{
if (customEntryMetadata.Updated.HasValue)
{
customEntryMetadata.UpdatedString = ODataAtomConvert.ToAtomString(customEntryMetadata.Updated.Value);
}
if (customEntryMetadata.Published.HasValue)
{
customEntryMetadata.PublishedString = ODataAtomConvert.ToAtomString(customEntryMetadata.Published.Value);
}
}
if (TryMergeIfNull <AtomEntryMetadata>(customEntryMetadata, epmEntryMetadata, out metadata))
{
return(metadata);
}
epmEntryMetadata.Title = MergeAtomTextValue(customEntryMetadata.Title, epmEntryMetadata.Title, "Title");
epmEntryMetadata.Summary = MergeAtomTextValue(customEntryMetadata.Summary, epmEntryMetadata.Summary, "Summary");
epmEntryMetadata.Rights = MergeAtomTextValue(customEntryMetadata.Rights, epmEntryMetadata.Rights, "Rights");
if (writerBehavior.FormatBehaviorKind == ODataBehaviorKind.WcfDataServicesClient)
{
epmEntryMetadata.PublishedString = MergeTextValue(customEntryMetadata.PublishedString, epmEntryMetadata.PublishedString, "PublishedString");
epmEntryMetadata.UpdatedString = MergeTextValue(customEntryMetadata.UpdatedString, epmEntryMetadata.UpdatedString, "UpdatedString");
}
else
{
epmEntryMetadata.Published = MergeDateTimeValue(customEntryMetadata.Published, epmEntryMetadata.Published, "Published");
epmEntryMetadata.Updated = MergeDateTimeValue(customEntryMetadata.Updated, epmEntryMetadata.Updated, "Updated");
}
epmEntryMetadata.Authors = MergeSyndicationMapping <AtomPersonMetadata>(customEntryMetadata.Authors, epmEntryMetadata.Authors);
epmEntryMetadata.Contributors = MergeSyndicationMapping <AtomPersonMetadata>(customEntryMetadata.Contributors, epmEntryMetadata.Contributors);
epmEntryMetadata.Categories = MergeSyndicationMapping <AtomCategoryMetadata>(customEntryMetadata.Categories, epmEntryMetadata.Categories);
epmEntryMetadata.Links = MergeSyndicationMapping <AtomLinkMetadata>(customEntryMetadata.Links, epmEntryMetadata.Links);
epmEntryMetadata.Source = customEntryMetadata.Source;
return(epmEntryMetadata);
}
internal void WriteEntryMetadata(AtomEntryMetadata entryMetadata, AtomEntryMetadata epmEntryMetadata, string updatedTime)
{
DebugUtils.CheckNoExternalCallers();
Debug.Assert(!string.IsNullOrEmpty(updatedTime), "!string.IsNullOrEmpty(updatedTime)");
#if DEBUG
DateTimeOffset tempDateTimeOffset;
Debug.Assert(DateTimeOffset.TryParse(updatedTime, out tempDateTimeOffset), "DateTimeOffset.TryParse(updatedTime, out tempDateTimeOffset)");
#endif
// TODO: 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 mergedEntryMetadata = ODataAtomWriterMetadataEpmMergeUtils.MergeCustomAndEpmEntryMetadata(entryMetadata, epmEntryMetadata, this.MessageWriterSettings.WriterBehavior);
if (mergedEntryMetadata == null)
{
// write all required metadata elements with default content
// <atom:title></atom:title>
this.WriteEmptyElement(
AtomConstants.AtomNamespacePrefix,
AtomConstants.AtomTitleElementName,
AtomConstants.AtomNamespace);
// <atom:updated>dateTimeOffset</atom:updated>
// NOTE: the <updated> element is required and if not specified we use a single 'default/current' date/time for the whole payload.
this.WriteElementWithTextContent(
AtomConstants.AtomNamespacePrefix,
AtomConstants.AtomUpdatedElementName,
AtomConstants.AtomNamespace,
updatedTime);
this.WriteEmptyAuthor();
}
else
{
// <atom:title>text</atom:title>
// NOTE: writes an empty element even if no title was specified since the title is required
this.WriteTextConstruct(AtomConstants.AtomNamespacePrefix, AtomConstants.AtomTitleElementName, AtomConstants.AtomNamespace, mergedEntryMetadata.Title);
AtomTextConstruct summary = mergedEntryMetadata.Summary;
if (summary != null)
{
// <atom:summary>text</atom:summary>
this.WriteTextConstruct(AtomConstants.AtomNamespacePrefix, AtomConstants.AtomSummaryElementName, AtomConstants.AtomNamespace, summary);
}
string published = this.UseClientFormatBehavior
? mergedEntryMetadata.PublishedString
: mergedEntryMetadata.Published.HasValue
? ODataAtomConvert.ToAtomString(mergedEntryMetadata.Published.Value)
: null;
if (published != null)
{
// <atom:published>dateTimeOffset</atom:published>
this.WriteElementWithTextContent(
AtomConstants.AtomNamespacePrefix,
AtomConstants.AtomPublishedElementName,
AtomConstants.AtomNamespace,
published);
}
// <atom:updated>date</atom:updated>
string updated = this.UseClientFormatBehavior
? mergedEntryMetadata.UpdatedString
: mergedEntryMetadata.Updated.HasValue
? ODataAtomConvert.ToAtomString(mergedEntryMetadata.Updated.Value)
: null;
// NOTE: the <updated> element is required and if not specified we use a single 'default/current' date/time for the whole payload.
updated = updated ?? updatedTime;
this.WriteElementWithTextContent(
AtomConstants.AtomNamespacePrefix,
AtomConstants.AtomUpdatedElementName,
AtomConstants.AtomNamespace,
updated);
bool wroteAuthor = false;
IEnumerable <AtomPersonMetadata> authors = mergedEntryMetadata.Authors;
if (authors != null)
{
foreach (AtomPersonMetadata author in authors)
{
if (author == null)
{
throw new ODataException(ODataErrorStrings.ODataAtomWriterMetadataUtils_AuthorMetadataMustNotContainNull);
}
// <atom:author>author data</atom:author>
this.XmlWriter.WriteStartElement(AtomConstants.AtomNamespacePrefix, AtomConstants.AtomAuthorElementName, AtomConstants.AtomNamespace);
this.WritePersonMetadata(author);
this.XmlWriter.WriteEndElement();
wroteAuthor = true;
}
}
if (!wroteAuthor)
{
// write empty authors since they are required
this.WriteEmptyAuthor();
}
IEnumerable <AtomPersonMetadata> contributors = mergedEntryMetadata.Contributors;
if (contributors != null)
{
foreach (AtomPersonMetadata contributor in contributors)
{
if (contributor == null)
{
throw new ODataException(ODataErrorStrings.ODataAtomWriterMetadataUtils_ContributorMetadataMustNotContainNull);
}
// <atom:contributor>contributor data</atom:contributor>
this.XmlWriter.WriteStartElement(AtomConstants.AtomNamespacePrefix, AtomConstants.AtomContributorElementName, AtomConstants.AtomNamespace);
this.WritePersonMetadata(contributor);
this.XmlWriter.WriteEndElement();
}
}
IEnumerable <AtomLinkMetadata> links = mergedEntryMetadata.Links;
if (links != null)
{
foreach (AtomLinkMetadata link in links)
{
if (link == null)
{
throw new ODataException(ODataErrorStrings.ODataAtomWriterMetadataUtils_LinkMetadataMustNotContainNull);
}
// <atom:link>...</atom:link>
this.WriteAtomLink(link, null /*edit-link-etag*/);
}
}
IEnumerable <AtomCategoryMetadata> categories = mergedEntryMetadata.Categories;
if (categories != null)
{
foreach (AtomCategoryMetadata category in categories)
{
if (category == null)
{
throw new ODataException(ODataErrorStrings.ODataAtomWriterMetadataUtils_CategoryMetadataMustNotContainNull);
}
// <atom:category term="..." scheme="..." label="..."></atom:category>
this.WriteCategory(category);
}
}
if (mergedEntryMetadata.Rights != null)
{
// <atom:rights>rights</atom:rights>
this.WriteTextConstruct(
AtomConstants.AtomNamespacePrefix,
AtomConstants.AtomRightsElementName,
AtomConstants.AtomNamespace,
mergedEntryMetadata.Rights);
}
AtomFeedMetadata source = mergedEntryMetadata.Source;
if (source != null)
{
// <atom:source>
this.XmlWriter.WriteStartElement(AtomConstants.AtomNamespacePrefix, AtomConstants.AtomSourceElementName, AtomConstants.AtomNamespace);
bool authorWritten;
this.SourceMetadataSerializer.WriteFeedMetadata(source, null /* feed */, updatedTime, out authorWritten);
// </atom:source>
this.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();
}
}
}
/// <summary>
/// Merges custom and EPM ATOM metadata.
/// </summary>
/// <param name="customEntryMetadata">The custom ATOM metadata, or null if there were no custom ATOM metadata.</param>
/// <param name="epmEntryMetadata">The EPM ATOM metadata, or null if there are no EPM mappings to syndication targets.</param>
/// <param name="writerBehavior">The <see cref="ODataWriterBehavior"/> instance configuring the writer.</param>
/// <returns>The merged ATOM metadata to write to the output.</returns>
/// <remarks>The merge means that if one of the sides has null, the other is used, otherwise if both are non-null
/// we verify that the values are the same, otherwise we throw.</remarks>
internal static AtomEntryMetadata MergeCustomAndEpmEntryMetadata(AtomEntryMetadata customEntryMetadata, AtomEntryMetadata epmEntryMetadata, ODataWriterBehavior writerBehavior)
{
DebugUtils.CheckNoExternalCallers();
if (customEntryMetadata != null && writerBehavior.FormatBehaviorKind == ODataBehaviorKind.WcfDataServicesClient)
{
// ODataLib supports specifying ATOM metadata for entries even in the WCF DS client mode;
// WCF DS itself will never do this but ODataLib clients using this mode might. We have
// to convert potential Published and Updated values to the internal string properties
// used in WCF DS client mode.
if (customEntryMetadata.Updated.HasValue)
{
customEntryMetadata.UpdatedString = ODataAtomConvert.ToAtomString(customEntryMetadata.Updated.Value);
}
if (customEntryMetadata.Published.HasValue)
{
customEntryMetadata.PublishedString = ODataAtomConvert.ToAtomString(customEntryMetadata.Published.Value);
}
}
AtomEntryMetadata simpleMergeResult;
if (TryMergeIfNull(customEntryMetadata, epmEntryMetadata, out simpleMergeResult))
{
return(simpleMergeResult);
}
// We will be modifying the EPM metadata adding the custom into it
// The reason is that with EPM we can be sure that the enumerations are of type List (since they were created like that) and thus
// we can safely add items into those without reallocating the collections.
// Merge Title
epmEntryMetadata.Title = MergeAtomTextValue(customEntryMetadata.Title, epmEntryMetadata.Title, "Title");
// Merge Summary
epmEntryMetadata.Summary = MergeAtomTextValue(customEntryMetadata.Summary, epmEntryMetadata.Summary, "Summary");
// Merge Rights
epmEntryMetadata.Rights = MergeAtomTextValue(customEntryMetadata.Rights, epmEntryMetadata.Rights, "Rights");
if (writerBehavior.FormatBehaviorKind == ODataBehaviorKind.WcfDataServicesClient)
{
// Merge PublishedString
epmEntryMetadata.PublishedString = MergeTextValue(customEntryMetadata.PublishedString, epmEntryMetadata.PublishedString, "PublishedString");
// Merge UpdatedString
epmEntryMetadata.UpdatedString = MergeTextValue(customEntryMetadata.UpdatedString, epmEntryMetadata.UpdatedString, "UpdatedString");
}
else
{
// Merge Published
epmEntryMetadata.Published = MergeDateTimeValue(customEntryMetadata.Published, epmEntryMetadata.Published, "Published");
// Merge Updated
epmEntryMetadata.Updated = MergeDateTimeValue(customEntryMetadata.Updated, epmEntryMetadata.Updated, "Updated");
}
// Merge authors
epmEntryMetadata.Authors = MergeSyndicationMapping <AtomPersonMetadata>(customEntryMetadata.Authors, epmEntryMetadata.Authors);
// Merge contributors
epmEntryMetadata.Contributors = MergeSyndicationMapping <AtomPersonMetadata>(customEntryMetadata.Contributors, epmEntryMetadata.Contributors);
// Merge Categories
epmEntryMetadata.Categories = MergeSyndicationMapping <AtomCategoryMetadata>(customEntryMetadata.Categories, epmEntryMetadata.Categories);
// Merge Links
epmEntryMetadata.Links = MergeSyndicationMapping <AtomLinkMetadata>(customEntryMetadata.Links, epmEntryMetadata.Links);
// Source
// Copy the source element over from custom metadata since EPM doesn't use it yet.
Debug.Assert(epmEntryMetadata.Source == null, "Once EPM actually writes to source element, implement the merge with custom metadata here.");
epmEntryMetadata.Source = customEntryMetadata.Source;
return(epmEntryMetadata);
}
/// <summary>
/// Write the metadata attributes of a link in ATOM format
/// </summary>
/// <param name="relation">The value for the 'rel' attribute.</param>
/// <param name="href">The value for the 'href' attribute.</param>
/// <param name="hrefLang">The value for the 'hreflang' attribute.</param>
/// <param name="title">The value for the 'title' attribute.</param>
/// <param name="mediaType">The value for the 'type' attribute.</param>
/// <param name="length">The value for the 'length' attribute.</param>
private void WriteAtomLinkMetadataAttributes(string relation, string href, string hrefLang, string title, string mediaType, int?length)
{
// rel="..."
if (relation != null)
{
this.XmlWriter.WriteAttributeString(AtomConstants.AtomLinkRelationAttributeName, relation);
}
// type="..."
if (mediaType != null)
{
this.XmlWriter.WriteAttributeString(AtomConstants.AtomLinkTypeAttributeName, mediaType);
}
// title="..."
if (title != null)
{
this.XmlWriter.WriteAttributeString(AtomConstants.AtomLinkTitleAttributeName, title);
}
// href="..."
if (href == null)
{
throw new ODataException(o.Strings.ODataAtomWriterMetadataUtils_LinkMustSpecifyHref);
}
this.XmlWriter.WriteAttributeString(AtomConstants.AtomHRefAttributeName, href);
// hreflang="..."
if (hrefLang != null)
{
this.XmlWriter.WriteAttributeString(AtomConstants.AtomLinkHrefLangAttributeName, hrefLang);
}
// length="..."
if (length.HasValue)
{
this.XmlWriter.WriteAttributeString(AtomConstants.AtomLinkLengthAttributeName, ODataAtomConvert.ToString(length.Value));
}
}
internal void WriteEntryMetadata(AtomEntryMetadata entryMetadata, AtomEntryMetadata epmEntryMetadata, string updatedTime)
{
AtomEntryMetadata metadata = ODataAtomWriterMetadataEpmMergeUtils.MergeCustomAndEpmEntryMetadata(entryMetadata, epmEntryMetadata, base.MessageWriterSettings.WriterBehavior);
if (metadata == null)
{
base.WriteEmptyElement("", "title", "http://www.w3.org/2005/Atom");
base.WriteElementWithTextContent("", "updated", "http://www.w3.org/2005/Atom", updatedTime);
base.WriteEmptyAuthor();
}
else
{
base.WriteTextConstruct("", "title", "http://www.w3.org/2005/Atom", metadata.Title);
AtomTextConstruct summary = metadata.Summary;
if (summary != null)
{
base.WriteTextConstruct("", "summary", "http://www.w3.org/2005/Atom", summary);
}
string textContent = base.UseClientFormatBehavior ? metadata.PublishedString : (metadata.Published.HasValue ? ODataAtomConvert.ToAtomString(metadata.Published.Value) : null);
if (textContent != null)
{
base.WriteElementWithTextContent("", "published", "http://www.w3.org/2005/Atom", textContent);
}
string str2 = base.UseClientFormatBehavior ? metadata.UpdatedString : (metadata.Updated.HasValue ? ODataAtomConvert.ToAtomString(metadata.Updated.Value) : null);
str2 = str2 ?? updatedTime;
base.WriteElementWithTextContent("", "updated", "http://www.w3.org/2005/Atom", str2);
bool flag = false;
IEnumerable <AtomPersonMetadata> authors = metadata.Authors;
if (authors != null)
{
foreach (AtomPersonMetadata metadata2 in authors)
{
if (metadata2 == null)
{
throw new ODataException(Strings.ODataAtomWriterMetadataUtils_AuthorMetadataMustNotContainNull);
}
base.XmlWriter.WriteStartElement("", "author", "http://www.w3.org/2005/Atom");
base.WritePersonMetadata(metadata2);
base.XmlWriter.WriteEndElement();
flag = true;
}
}
if (!flag)
{
base.WriteEmptyAuthor();
}
IEnumerable <AtomPersonMetadata> contributors = metadata.Contributors;
if (contributors != null)
{
foreach (AtomPersonMetadata metadata3 in contributors)
{
if (metadata3 == null)
{
throw new ODataException(Strings.ODataAtomWriterMetadataUtils_ContributorMetadataMustNotContainNull);
}
base.XmlWriter.WriteStartElement("", "contributor", "http://www.w3.org/2005/Atom");
base.WritePersonMetadata(metadata3);
base.XmlWriter.WriteEndElement();
}
}
IEnumerable <AtomLinkMetadata> links = metadata.Links;
if (links != null)
{
foreach (AtomLinkMetadata metadata4 in links)
{
if (metadata4 == null)
{
throw new ODataException(Strings.ODataAtomWriterMetadataUtils_LinkMetadataMustNotContainNull);
}
base.WriteAtomLink(metadata4, null);
}
}
IEnumerable <AtomCategoryMetadata> categories = metadata.Categories;
if (categories != null)
{
foreach (AtomCategoryMetadata metadata5 in categories)
{
if (metadata5 == null)
{
throw new ODataException(Strings.ODataAtomWriterMetadataUtils_CategoryMetadataMustNotContainNull);
}
base.WriteCategory(metadata5);
}
}
if (metadata.Rights != null)
{
base.WriteTextConstruct("", "rights", "http://www.w3.org/2005/Atom", metadata.Rights);
}
AtomFeedMetadata source = metadata.Source;
if (source != null)
{
bool flag2;
base.XmlWriter.WriteStartElement("", "source", "http://www.w3.org/2005/Atom");
this.SourceMetadataSerializer.WriteFeedMetadata(source, null, updatedTime, out flag2);
base.XmlWriter.WriteEndElement();
}
}
}
