/// <summary>
/// Writes a stream property to the ATOM payload
/// </summary>
/// <param name="streamProperty">The stream property to create the payload for.</param>
/// <param name="owningType">The <see cref="IEdmEntityType"/> instance for which the stream property defined on.</param>
/// <param name="duplicatePropertyNamesChecker">The checker instance for duplicate property names.</param>
/// <param name="projectedProperties">Set of projected properties, or null if all properties should be written.</param>
internal void WriteStreamProperty(
ODataProperty streamProperty,
IEdmEntityType owningType,
DuplicatePropertyNamesChecker duplicatePropertyNamesChecker,
ProjectedPropertiesAnnotation projectedProperties)
{
DebugUtils.CheckNoExternalCallers();
Debug.Assert(streamProperty != null, "Stream property must not be null.");
Debug.Assert(streamProperty.Value != null, "The media resource of the stream property must not be null.");
WriterValidationUtils.ValidatePropertyNotNull(streamProperty);
string propertyName = streamProperty.Name;
if (projectedProperties.ShouldSkipProperty(propertyName))
{
return;
}
WriterValidationUtils.ValidatePropertyName(propertyName);
duplicatePropertyNamesChecker.CheckForDuplicatePropertyNames(streamProperty);
IEdmProperty edmProperty = WriterValidationUtils.ValidatePropertyDefined(streamProperty.Name, owningType, this.MessageWriterSettings.UndeclaredPropertyBehaviorKinds);
WriterValidationUtils.ValidateStreamReferenceProperty(streamProperty, edmProperty, this.Version, this.WritingResponse);
ODataStreamReferenceValue streamReferenceValue = (ODataStreamReferenceValue)streamProperty.Value;
WriterValidationUtils.ValidateStreamReferenceValue(streamReferenceValue, false /*isDefaultStream*/);
if (owningType != null && owningType.IsOpen && edmProperty == null)
{
ValidationUtils.ValidateOpenPropertyValue(streamProperty.Name, streamReferenceValue, this.MessageWriterSettings.UndeclaredPropertyBehaviorKinds);
}
AtomStreamReferenceMetadata streamReferenceMetadata = streamReferenceValue.GetAnnotation <AtomStreamReferenceMetadata>();
string contentType = streamReferenceValue.ContentType;
string linkTitle = streamProperty.Name;
Uri readLink = streamReferenceValue.ReadLink;
if (readLink != null)
{
string readLinkRelation = AtomUtils.ComputeStreamPropertyRelation(streamProperty, false);
AtomLinkMetadata readLinkMetadata = streamReferenceMetadata == null ? null : streamReferenceMetadata.SelfLink;
AtomLinkMetadata mergedMetadata = ODataAtomWriterMetadataUtils.MergeLinkMetadata(readLinkMetadata, readLinkRelation, readLink, linkTitle, contentType);
this.atomEntryMetadataSerializer.WriteAtomLink(mergedMetadata, null /* etag */);
}
Uri editLink = streamReferenceValue.EditLink;
if (editLink != null)
{
string editLinkRelation = AtomUtils.ComputeStreamPropertyRelation(streamProperty, true);
AtomLinkMetadata editLinkMetadata = streamReferenceMetadata == null ? null : streamReferenceMetadata.EditLink;
AtomLinkMetadata mergedMetadata = ODataAtomWriterMetadataUtils.MergeLinkMetadata(editLinkMetadata, editLinkRelation, editLink, linkTitle, contentType);
this.atomEntryMetadataSerializer.WriteAtomLink(mergedMetadata, streamReferenceValue.ETag);
}
}
internal void WriteEntryMediaEditLink(ODataStreamReferenceValue mediaResource)
{
Uri editLink = mediaResource.EditLink;
if (editLink != null)
{
AtomStreamReferenceMetadata annotation = mediaResource.GetAnnotation <AtomStreamReferenceMetadata>();
AtomLinkMetadata metadata = (annotation == null) ? null : annotation.EditLink;
AtomLinkMetadata linkMetadata = ODataAtomWriterMetadataUtils.MergeLinkMetadata(metadata, "edit-media", editLink, null, null);
this.atomEntryMetadataSerializer.WriteAtomLink(linkMetadata, mediaResource.ETag);
}
}
/// <summary>
/// Writes the edit-media link for an entry.
/// </summary>
/// <param name="mediaResource">The media resource representing the MR of the entry to write.</param>
internal void WriteEntryMediaEditLink(ODataStreamReferenceValue mediaResource)
{
DebugUtils.CheckNoExternalCallers();
Debug.Assert(mediaResource != null, "mediaResource != null");
Uri mediaEditLink = mediaResource.EditLink;
Debug.Assert(mediaEditLink != null || mediaResource.ETag == null, "The default stream edit link and etag should have been validated by now.");
if (mediaEditLink != null)
{
AtomStreamReferenceMetadata streamReferenceMetadata = mediaResource.GetAnnotation <AtomStreamReferenceMetadata>();
AtomLinkMetadata mediaEditMetadata = streamReferenceMetadata == null ? null : streamReferenceMetadata.EditLink;
AtomLinkMetadata mergedLinkMetadata =
ODataAtomWriterMetadataUtils.MergeLinkMetadata(
mediaEditMetadata,
AtomConstants.AtomEditMediaRelationAttributeValue,
mediaEditLink,
null /* title */,
null /* mediaType */);
this.atomEntryMetadataSerializer.WriteAtomLink(mergedLinkMetadata, mediaResource.ETag);
}
}
internal void WriteStreamProperty(ODataProperty streamProperty, IEdmEntityType owningType, DuplicatePropertyNamesChecker duplicatePropertyNamesChecker, ProjectedPropertiesAnnotation projectedProperties)
{
WriterValidationUtils.ValidatePropertyNotNull(streamProperty);
string name = streamProperty.Name;
if (!projectedProperties.ShouldSkipProperty(name))
{
WriterValidationUtils.ValidateProperty(streamProperty);
duplicatePropertyNamesChecker.CheckForDuplicatePropertyNames(streamProperty);
IEdmProperty edmProperty = WriterValidationUtils.ValidatePropertyDefined(streamProperty.Name, owningType);
WriterValidationUtils.ValidateStreamReferenceProperty(streamProperty, edmProperty, base.Version, base.WritingResponse);
ODataStreamReferenceValue value2 = (ODataStreamReferenceValue)streamProperty.Value;
if (((owningType != null) && owningType.IsOpen) && (edmProperty == null))
{
ValidationUtils.ValidateOpenPropertyValue(streamProperty.Name, value2);
}
AtomStreamReferenceMetadata annotation = value2.GetAnnotation <AtomStreamReferenceMetadata>();
string contentType = value2.ContentType;
string title = streamProperty.Name;
Uri readLink = value2.ReadLink;
if (readLink != null)
{
string relation = AtomUtils.ComputeStreamPropertyRelation(streamProperty, false);
AtomLinkMetadata metadata = (annotation == null) ? null : annotation.SelfLink;
AtomLinkMetadata linkMetadata = ODataAtomWriterMetadataUtils.MergeLinkMetadata(metadata, relation, readLink, title, contentType);
this.atomEntryMetadataSerializer.WriteAtomLink(linkMetadata, null);
}
Uri editLink = value2.EditLink;
if (editLink != null)
{
string str5 = AtomUtils.ComputeStreamPropertyRelation(streamProperty, true);
AtomLinkMetadata metadata4 = (annotation == null) ? null : annotation.EditLink;
AtomLinkMetadata metadata5 = ODataAtomWriterMetadataUtils.MergeLinkMetadata(metadata4, str5, editLink, title, contentType);
this.atomEntryMetadataSerializer.WriteAtomLink(metadata5, value2.ETag);
}
}
}
/// <summary>
/// Reads a stream property link in an atom:entry.
/// </summary>
/// <param name="entryState">The reader entry state for the entry being read.</param>
/// <param name="streamPropertyName">The name of the stream property that is being read.</param>
/// <param name="linkRelation">The rel attribute value for the link.</param>
/// <param name="linkHRef">The href attribute value for the link (or null if the href attribute was not present).</param>
/// <param name="editLink">true if we are reading an edit link; otherwise false.</param>
/// <returns>true if the stream property link was read; otherwise false.</returns>
/// <remarks>
/// Pre-Condition: XmlNodeType.Element atom:link - The atom:link element to read.
/// Post-Condition: Any - The node after the atom:link element if the link was read by this method.
/// XmlNodeType.Element atom:link - The atom:link element to read if the link was not read by this method.
/// </remarks>
private bool ReadStreamPropertyLinkInEntry(IODataAtomReaderEntryState entryState, string streamPropertyName, string linkRelation, string linkHRef, bool editLink)
{
if (!this.ReadingResponse || this.Version < ODataVersion.V3)
{
return false;
}
if (streamPropertyName.Length == 0)
{
throw new ODataException(o.Strings.ODataAtomEntryAndFeedDeserializer_StreamPropertyWithEmptyName);
}
ODataStreamReferenceValue streamReferenceValue = this.GetNewOrExistingStreamPropertyValue(entryState, streamPropertyName);
Debug.Assert(streamReferenceValue != null, "streamReferenceValue != null");
AtomStreamReferenceMetadata atomStreamMetadata = null;
if (this.ReadAtomMetadata)
{
// First, check if there is an existing metadata annotation on the stream reference value.
atomStreamMetadata = streamReferenceValue.GetAnnotation<AtomStreamReferenceMetadata>();
// If not, create a new metadata annotation.
if (atomStreamMetadata == null)
{
atomStreamMetadata = new AtomStreamReferenceMetadata();
streamReferenceValue.SetAnnotation(atomStreamMetadata);
}
}
// set the edit-link or the read-link
Uri href = linkHRef == null ? null : this.ProcessUriFromPayload(linkHRef, this.XmlReader.XmlBaseUri);
if (editLink)
{
// edit-link
if (streamReferenceValue.EditLink != null)
{
throw new ODataException(o.Strings.ODataAtomEntryAndFeedDeserializer_StreamPropertyWithMultipleEditLinks(streamPropertyName));
}
streamReferenceValue.EditLink = href;
if (this.ReadAtomMetadata)
{
atomStreamMetadata.EditLink = this.EntryMetadataDeserializer.ReadAtomLinkElementInEntryContent(linkRelation, linkHRef);
}
}
else
{
// read-link
if (streamReferenceValue.ReadLink != null)
{
throw new ODataException(o.Strings.ODataAtomEntryAndFeedDeserializer_StreamPropertyWithMultipleReadLinks(streamPropertyName));
}
streamReferenceValue.ReadLink = href;
if (this.ReadAtomMetadata)
{
atomStreamMetadata.SelfLink = this.EntryMetadataDeserializer.ReadAtomLinkElementInEntryContent(linkRelation, linkHRef);
}
}
// set the ContentType
string contentType = this.XmlReader.GetAttribute(this.AtomTypeAttributeName, this.EmptyNamespace);
if (contentType != null && streamReferenceValue.ContentType != null)
{
if (!HttpUtils.CompareMediaTypeNames(contentType, streamReferenceValue.ContentType))
{
throw new ODataException(o.Strings.ODataAtomEntryAndFeedDeserializer_StreamPropertyWithMultipleContentTypes(streamPropertyName));
}
}
streamReferenceValue.ContentType = contentType;
// set the ETag
if (editLink)
{
string etag = this.XmlReader.GetAttribute(this.ODataETagAttributeName, this.XmlReader.ODataMetadataNamespace);
streamReferenceValue.ETag = etag;
}
this.XmlReader.Skip();
return true;
}
private bool TryReadAtomStandardRelationLinkInEntry(IODataAtomReaderEntryState entryState, string linkRelation, string linkHRef)
{
if (string.CompareOrdinal(linkRelation, "edit") == 0)
{
if (entryState.HasEditLink && base.AtomInputContext.UseDefaultFormatBehavior)
{
throw new ODataException(Microsoft.Data.OData.Strings.ODataAtomEntryAndFeedDeserializer_MultipleLinksInEntry("edit"));
}
if ((linkHRef != null) && (!base.AtomInputContext.UseClientFormatBehavior || !entryState.HasEditLink))
{
entryState.Entry.EditLink = base.ProcessUriFromPayload(linkHRef, base.XmlReader.XmlBaseUri);
}
if (this.ReadAtomMetadata)
{
entryState.AtomEntryMetadata.EditLink = this.EntryMetadataDeserializer.ReadAtomLinkElementInEntryContent(linkRelation, linkHRef);
}
entryState.HasEditLink = true;
base.XmlReader.Skip();
return true;
}
if (string.CompareOrdinal(linkRelation, "self") == 0)
{
if (entryState.HasReadLink && base.AtomInputContext.UseDefaultFormatBehavior)
{
throw new ODataException(Microsoft.Data.OData.Strings.ODataAtomEntryAndFeedDeserializer_MultipleLinksInEntry("self"));
}
if ((linkHRef != null) && (!base.AtomInputContext.UseClientFormatBehavior || !entryState.HasReadLink))
{
entryState.Entry.ReadLink = base.ProcessUriFromPayload(linkHRef, base.XmlReader.XmlBaseUri);
}
if (this.ReadAtomMetadata)
{
entryState.AtomEntryMetadata.SelfLink = this.EntryMetadataDeserializer.ReadAtomLinkElementInEntryContent(linkRelation, linkHRef);
}
entryState.HasReadLink = true;
base.XmlReader.Skip();
return true;
}
if (string.CompareOrdinal(linkRelation, "edit-media") != 0)
{
return false;
}
if (entryState.HasEditMediaLink && base.AtomInputContext.UseDefaultFormatBehavior)
{
throw new ODataException(Microsoft.Data.OData.Strings.ODataAtomEntryAndFeedDeserializer_MultipleLinksInEntry("edit-media"));
}
if (!base.AtomInputContext.UseClientFormatBehavior || !entryState.HasEditMediaLink)
{
EnsureMediaResource(entryState, !base.UseClientFormatBehavior);
ODataEntry entry = entryState.Entry;
if (linkHRef != null)
{
entry.MediaResource.EditLink = base.ProcessUriFromPayload(linkHRef, base.XmlReader.XmlBaseUri);
}
string attribute = base.XmlReader.GetAttribute(this.ODataETagAttributeName, base.XmlReader.ODataMetadataNamespace);
if (attribute != null)
{
entry.MediaResource.ETag = attribute;
}
if (this.ReadAtomMetadata)
{
AtomLinkMetadata metadata = this.EntryMetadataDeserializer.ReadAtomLinkElementInEntryContent(linkRelation, linkHRef);
AtomStreamReferenceMetadata annotation = new AtomStreamReferenceMetadata {
EditLink = metadata
};
entry.MediaResource.SetAnnotation<AtomStreamReferenceMetadata>(annotation);
}
}
entryState.HasEditMediaLink = true;
base.XmlReader.Skip();
return true;
}
private bool ReadStreamPropertyLinkInEntry(IODataAtomReaderEntryState entryState, string streamPropertyName, string linkRelation, string linkHRef, bool editLink)
{
if (!base.ReadingResponse || (base.Version < ODataVersion.V3))
{
return false;
}
if (streamPropertyName.Length == 0)
{
throw new ODataException(Microsoft.Data.OData.Strings.ODataAtomEntryAndFeedDeserializer_StreamPropertyWithEmptyName);
}
ODataStreamReferenceValue newOrExistingStreamPropertyValue = this.GetNewOrExistingStreamPropertyValue(entryState, streamPropertyName);
AtomStreamReferenceMetadata annotation = null;
if (this.ReadAtomMetadata)
{
annotation = newOrExistingStreamPropertyValue.GetAnnotation<AtomStreamReferenceMetadata>();
if (annotation == null)
{
annotation = new AtomStreamReferenceMetadata();
newOrExistingStreamPropertyValue.SetAnnotation<AtomStreamReferenceMetadata>(annotation);
}
}
Uri uri = (linkHRef == null) ? null : base.ProcessUriFromPayload(linkHRef, base.XmlReader.XmlBaseUri);
if (editLink)
{
if (newOrExistingStreamPropertyValue.EditLink != null)
{
throw new ODataException(Microsoft.Data.OData.Strings.ODataAtomEntryAndFeedDeserializer_StreamPropertyWithMultipleEditLinks(streamPropertyName));
}
newOrExistingStreamPropertyValue.EditLink = uri;
if (this.ReadAtomMetadata)
{
annotation.EditLink = this.EntryMetadataDeserializer.ReadAtomLinkElementInEntryContent(linkRelation, linkHRef);
}
}
else
{
if (newOrExistingStreamPropertyValue.ReadLink != null)
{
throw new ODataException(Microsoft.Data.OData.Strings.ODataAtomEntryAndFeedDeserializer_StreamPropertyWithMultipleReadLinks(streamPropertyName));
}
newOrExistingStreamPropertyValue.ReadLink = uri;
if (this.ReadAtomMetadata)
{
annotation.SelfLink = this.EntryMetadataDeserializer.ReadAtomLinkElementInEntryContent(linkRelation, linkHRef);
}
}
string attribute = base.XmlReader.GetAttribute(base.AtomTypeAttributeName, base.EmptyNamespace);
if (((attribute != null) && (newOrExistingStreamPropertyValue.ContentType != null)) && !HttpUtils.CompareMediaTypeNames(attribute, newOrExistingStreamPropertyValue.ContentType))
{
throw new ODataException(Microsoft.Data.OData.Strings.ODataAtomEntryAndFeedDeserializer_StreamPropertyWithMultipleContentTypes(streamPropertyName));
}
newOrExistingStreamPropertyValue.ContentType = attribute;
if (editLink)
{
string str2 = base.XmlReader.GetAttribute(this.ODataETagAttributeName, base.XmlReader.ODataMetadataNamespace);
newOrExistingStreamPropertyValue.ETag = str2;
}
base.XmlReader.Skip();
return true;
}
private ODataStreamReferenceValue GetMediaResource(object element, ResourceType entityResourceType, string title, Uri relativeUri)
{
ODataStreamReferenceValue value2 = null;
if (entityResourceType.IsMediaLinkEntry)
{
string str;
Uri uri;
string str2;
base.Service.StreamProvider.GetStreamDescription(element, null, base.Service.OperationContext, out str, out uri, out str2);
Uri uri2 = RequestUriProcessor.AppendEscapedSegment(relativeUri, "$value");
value2 = new ODataStreamReferenceValue {
EditLink = uri2,
ContentType = str2,
ReadLink = uri ?? uri2
};
AtomStreamReferenceMetadata metadata2 = new AtomStreamReferenceMetadata();
AtomLinkMetadata metadata3 = new AtomLinkMetadata {
Title = title
};
metadata2.EditLink = metadata3;
AtomStreamReferenceMetadata annotation = metadata2;
value2.SetAnnotation<AtomStreamReferenceMetadata>(annotation);
if (!string.IsNullOrEmpty(str))
{
value2.ETag = str;
}
}
return value2;
}
