private ODataMediaAnnotations CreateAnnotations(ODataStreamReferenceValue value)
{
return value == null ? null : new ODataMediaAnnotations
{
ContentType = value.ContentType,
ReadLink = value.ReadLink,
EditLink = value.EditLink,
ETag = value.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);
}
}
internal void WriteStreamReferenceValueContent(ODataStreamReferenceValue streamReferenceValue)
{
Uri editLink = streamReferenceValue.EditLink;
if (editLink != null)
{
base.JsonWriter.WriteName("edit_media");
base.JsonWriter.WriteValue(base.UriToAbsoluteUriString(editLink));
}
if (streamReferenceValue.ReadLink != null)
{
base.JsonWriter.WriteName("media_src");
base.JsonWriter.WriteValue(base.UriToAbsoluteUriString(streamReferenceValue.ReadLink));
}
if (streamReferenceValue.ContentType != null)
{
base.JsonWriter.WriteName("content_type");
base.JsonWriter.WriteValue(streamReferenceValue.ContentType);
}
string eTag = streamReferenceValue.ETag;
if (eTag != null)
{
this.WriteETag("media_etag", eTag);
}
}
private void WriteStreamReferenceValue(ODataStreamReferenceValue streamReferenceValue)
{
base.JsonWriter.StartObjectScope();
base.JsonWriter.WriteName("__mediaresource");
base.JsonWriter.StartObjectScope();
this.WriteStreamReferenceValueContent(streamReferenceValue);
base.JsonWriter.EndObjectScope();
base.JsonWriter.EndObjectScope();
}
/// <summary>
/// Validates an <see cref="ODataStreamReferenceValue"/> to ensure all required information is specified and valid.
/// </summary>
/// <param name="streamReference">The stream reference to validate.</param>
/// <param name="isDefaultStream">true if <paramref name="streamReference"/> is the default stream for an entity; false if it is a named stream property value.</param>
internal static void ValidateStreamReferenceValue(ODataStreamReferenceValue streamReference, bool isDefaultStream)
{
DebugUtils.CheckNoExternalCallers();
Debug.Assert(streamReference != null, "streamReference != null");
if (streamReference.ContentType != null && streamReference.ContentType.Length == 0)
{
throw new ODataException(Strings.WriterValidationUtils_StreamReferenceValueEmptyContentType);
}
if (isDefaultStream && streamReference.ReadLink == null && streamReference.ContentType != null)
{
throw new ODataException(Strings.WriterValidationUtils_DefaultStreamWithContentTypeWithoutReadLink);
}
if (isDefaultStream && streamReference.ReadLink != null && streamReference.ContentType == null)
{
throw new ODataException(Strings.WriterValidationUtils_DefaultStreamWithReadLinkWithoutContentType);
}
// Default stream can be completely empty (no links or anything)
// that is used to effectively mark the entry as MLE without providing any MR information.
// OData clients when creating new MLE/MR might not have the MR information (yet) when sending the first PUT, but they still
// need to mark the entry as MLE so that properties are written out-of-content. In such scenario the client can just set an empty
// default stream to mark the entry as MLE.
// That will cause the ATOM writer to write the properties outside the content without producing any content element.
if (streamReference.EditLink == null && streamReference.ReadLink == null && !isDefaultStream)
{
throw new ODataException(Strings.WriterValidationUtils_StreamReferenceValueMustHaveEditLinkOrReadLink);
}
if (streamReference.EditLink == null && streamReference.ETag != null)
{
throw new ODataException(Strings.WriterValidationUtils_StreamReferenceValueMustHaveEditLinkToHaveETag);
}
}
/// <summary>
/// Reads the stream reference metadata from the value of the __mediaresource property.
/// </summary>
/// <returns>The value of the stream reference with the metadata properties filled.</returns>
/// <remarks>
/// Pre-Condition: Fails if the current node is not a JsonNodeType.StartObject
/// Post-Condition: Either a property node or an EndObject node.
/// </remarks>
private ODataStreamReferenceValue ReadStreamReferenceValue()
{
this.JsonReader.AssertNotBuffering();
// read the start of the __mediaresource object
this.JsonReader.ReadStartObject();
ODataStreamReferenceValue streamReference = new ODataStreamReferenceValue();
while (this.JsonReader.NodeType == JsonNodeType.Property)
{
string propertyName = this.JsonReader.ReadPropertyName();
switch (propertyName)
{
case JsonConstants.ODataMetadataEditMediaName: // "edit_media": "url"
if (streamReference.EditLink != null)
{
// we found another edit_media property; this is not allowed
throw new ODataException(o.Strings.ODataJsonEntryAndFeedDeserializer_MultipleMetadataPropertiesForStreamProperty(JsonConstants.ODataMetadataEditMediaName));
}
string editLinkString = this.JsonReader.ReadStringValue(JsonConstants.ODataMetadataEditMediaName);
ODataJsonReaderUtils.ValidateMediaResourceStringProperty(editLinkString, JsonConstants.ODataMetadataEditMediaName);
streamReference.EditLink = this.ProcessUriFromPayload(editLinkString);
break;
case JsonConstants.ODataMetadataMediaUriName: // "media_src" : "url"
if (streamReference.ReadLink != null)
{
// we found another media_src property; this is not allowed
throw new ODataException(o.Strings.ODataJsonEntryAndFeedDeserializer_MultipleMetadataPropertiesForStreamProperty(JsonConstants.ODataMetadataMediaUriName));
}
string readLinkString = this.JsonReader.ReadStringValue(JsonConstants.ODataMetadataMediaUriName);
ODataJsonReaderUtils.ValidateMediaResourceStringProperty(readLinkString, JsonConstants.ODataMetadataMediaUriName);
streamReference.ReadLink = this.ProcessUriFromPayload(readLinkString);
break;
case JsonConstants.ODataMetadataContentTypeName: // "content_type" : "type"
if (streamReference.ContentType != null)
{
// we found another content_type property; this is not allowed
throw new ODataException(o.Strings.ODataJsonEntryAndFeedDeserializer_MultipleMetadataPropertiesForStreamProperty(JsonConstants.ODataMetadataContentTypeName));
}
string contentTypeString = this.JsonReader.ReadStringValue(JsonConstants.ODataMetadataContentTypeName);
ODataJsonReaderUtils.ValidateMediaResourceStringProperty(contentTypeString, JsonConstants.ODataMetadataContentTypeName);
streamReference.ContentType = contentTypeString;
break;
case JsonConstants.ODataMetadataMediaETagName: // "media_etag" : "etag"
if (streamReference.ETag != null)
{
// we found another content_type property; this is not allowed
throw new ODataException(o.Strings.ODataJsonEntryAndFeedDeserializer_MultipleMetadataPropertiesForStreamProperty(JsonConstants.ODataMetadataMediaETagName));
}
string etag = this.JsonReader.ReadStringValue(JsonConstants.ODataMetadataMediaETagName);
ODataJsonReaderUtils.ValidateMediaResourceStringProperty(etag, JsonConstants.ODataMetadataMediaETagName);
streamReference.ETag = etag;
break;
default:
// ignore all properties that we don't recognize
this.JsonReader.SkipValue();
break;
}
}
Debug.Assert(this.JsonReader.NodeType == JsonNodeType.EndObject, "Only Property or EndObject can appear at the object scope.");
this.JsonReader.ReadEndObject();
this.JsonReader.AssertNotBuffering();
Debug.Assert(
this.JsonReader.NodeType == JsonNodeType.Property || this.JsonReader.NodeType == JsonNodeType.EndObject,
"Post-Condition: JsonNodeType.Property or JsonNodeType.EndObject");
return streamReference;
}
/// <summary>
/// Reads the media_etag property in metadata value.
/// </summary>
/// <param name="metadataPropertiesFoundBitField">The bit fields with all the properties found in metadata value so far.</param>
/// <param name="mediaResource">The media resource value for the entry.</param>
/// <remarks>
/// Pre-Condition: first node of the 'media_etag' property's value
/// Post-Condition: JsonNodeType.Property: the next metadata property
/// JsonNodeType.EndObject: the end-object node of the metadata object
/// </remarks>
private void ReadMediaETagMetadataProperty(
ref ODataJsonReaderUtils.MetadataPropertyBitMask metadataPropertiesFoundBitField,
ref ODataStreamReferenceValue mediaResource)
{
if (this.UseServerFormatBehavior)
{
this.JsonReader.SkipValue();
}
else
{
ODataJsonReaderUtils.VerifyMetadataPropertyNotFound(
ref metadataPropertiesFoundBitField,
ODataJsonReaderUtils.MetadataPropertyBitMask.MediaETag,
JsonConstants.ODataMetadataMediaETagName);
ODataJsonReaderUtils.EnsureInstance(ref mediaResource);
string mediaETag = this.JsonReader.ReadStringValue(JsonConstants.ODataMetadataMediaETagName);
ODataJsonReaderUtils.ValidateMetadataStringProperty(mediaETag, JsonConstants.ODataMetadataMediaETagName);
mediaResource.ETag = mediaETag;
}
}
private ODataStreamReferenceValue GetNamedStreamPropertyValue(object element, ResourceProperty namedStreamProperty, Uri relativeUri)
{
string str;
Uri uri;
string str2;
base.Service.StreamProvider.GetStreamDescription(element, namedStreamProperty, base.Service.OperationContext, out str, out uri, out str2);
ODataStreamReferenceValue value2 = new ODataStreamReferenceValue {
ContentType = str2,
EditLink = RequestUriProcessor.AppendUnescapedSegment(relativeUri, namedStreamProperty.Name)
};
if (!string.IsNullOrEmpty(str))
{
value2.ETag = str;
}
value2.ReadLink = uri;
return value2;
}
internal static void ValidateStreamReferenceValue(ODataStreamReferenceValue streamReference, bool isDefaultStream)
{
if ((streamReference.ContentType != null) && (streamReference.ContentType.Length == 0))
{
throw new ODataException(Microsoft.Data.OData.Strings.WriterValidationUtils_StreamReferenceValueEmptyContentType);
}
if ((isDefaultStream && (streamReference.ReadLink == null)) && (streamReference.ContentType != null))
{
throw new ODataException(Microsoft.Data.OData.Strings.WriterValidationUtils_DefaultStreamWithContentTypeWithoutReadLink);
}
if ((isDefaultStream && (streamReference.ReadLink != null)) && (streamReference.ContentType == null))
{
throw new ODataException(Microsoft.Data.OData.Strings.WriterValidationUtils_DefaultStreamWithReadLinkWithoutContentType);
}
if (((streamReference.EditLink == null) && (streamReference.ReadLink == null)) && !isDefaultStream)
{
throw new ODataException(Microsoft.Data.OData.Strings.WriterValidationUtils_StreamReferenceValueMustHaveEditLinkOrReadLink);
}
if ((streamReference.EditLink == null) && (streamReference.ETag != null))
{
throw new ODataException(Microsoft.Data.OData.Strings.WriterValidationUtils_StreamReferenceValueMustHaveEditLinkToHaveETag);
}
}
/// <summary>
/// Writes a stream property
/// </summary>
/// <param name="streamReferenceValue">The stream reference value to be written</param>
private void WriteStreamReferenceValue(ODataStreamReferenceValue streamReferenceValue)
{
Debug.Assert(streamReferenceValue != null, "streamReferenceValue != null");
// start of the stream reference value
this.JsonWriter.StartObjectScope();
// the __mediaresource property
this.JsonWriter.WriteName(JsonConstants.ODataMetadataMediaResourceName);
// start of the __mediaresource property value
this.JsonWriter.StartObjectScope();
this.WriteStreamReferenceValueContent(streamReferenceValue);
// end of the __mediaresource propert value
this.JsonWriter.EndObjectScope();
// end of the stream reference value
this.JsonWriter.EndObjectScope();
}
/// <summary>
/// Writes the metadata content for a media resource or a named stream
/// </summary>
/// <param name="streamReferenceValue">The stream reference value for which to write the metadata</param>
internal void WriteStreamReferenceValueContent(ODataStreamReferenceValue streamReferenceValue)
{
DebugUtils.CheckNoExternalCallers();
Debug.Assert(streamReferenceValue != null, "streamReferenceValue != null");
// Write the "edit_media": "url"
Uri mediaEditLink = streamReferenceValue.EditLink;
if (mediaEditLink != null)
{
this.JsonWriter.WriteName(JsonConstants.ODataMetadataEditMediaName);
this.JsonWriter.WriteValue(this.UriToAbsoluteUriString(mediaEditLink));
}
// Write the "media_src": "url"
if (streamReferenceValue.ReadLink != null)
{
this.JsonWriter.WriteName(JsonConstants.ODataMetadataMediaUriName);
this.JsonWriter.WriteValue(this.UriToAbsoluteUriString(streamReferenceValue.ReadLink));
}
// Write the "content_type": "type"
if (streamReferenceValue.ContentType != null)
{
this.JsonWriter.WriteName(JsonConstants.ODataMetadataContentTypeName);
this.JsonWriter.WriteValue(streamReferenceValue.ContentType);
}
// Write the "media_etag": "etag"
string mediaETag = streamReferenceValue.ETag;
if (mediaETag != null)
{
// Note ValidationUtils.ValidateStreamReferenceValue() should have been called prior to this to make sure mediaEditLink is not null here.
Debug.Assert(mediaEditLink != null, "The stream edit link cannot be null when the etag value is set.");
this.WriteETag(JsonConstants.ODataMetadataMediaETagName, mediaETag);
}
}
private ODataStreamReferenceValue GetNewOrExistingStreamPropertyValue(IODataAtomReaderEntryState entryState, string streamPropertyName)
{
ODataStreamReferenceValue value2;
List<ODataProperty> propertiesList = ReaderUtils.GetPropertiesList(entryState.Entry.Properties);
ODataProperty streamProperty = propertiesList.FirstOrDefault<ODataProperty>(p => string.CompareOrdinal(p.Name, streamPropertyName) == 0);
if (streamProperty == null)
{
IEdmProperty streamEdmProperty = ReaderValidationUtils.ValidateLinkPropertyDefined(streamPropertyName, entryState.EntityType, base.MessageReaderSettings);
value2 = new ODataStreamReferenceValue();
streamProperty = new ODataProperty {
Name = streamPropertyName,
Value = value2
};
ReaderValidationUtils.ValidateStreamReferenceProperty(streamProperty, entryState.EntityType, streamEdmProperty);
entryState.DuplicatePropertyNamesChecker.CheckForDuplicatePropertyNames(streamProperty);
propertiesList.Add(streamProperty);
return value2;
}
value2 = streamProperty.Value as ODataStreamReferenceValue;
if (value2 == null)
{
throw new ODataException(Microsoft.Data.OData.Strings.ODataAtomEntryAndFeedDeserializer_StreamPropertyDuplicatePropertyName(streamPropertyName));
}
return value2;
}
private ODataStreamReferenceValue ReadStreamReferenceValue()
{
base.JsonReader.ReadStartObject();
ODataStreamReferenceValue value2 = new ODataStreamReferenceValue();
while (base.JsonReader.NodeType == JsonNodeType.Property)
{
string str6 = base.JsonReader.ReadPropertyName();
if (str6 == null)
{
goto Label_0186;
}
if (!(str6 == "edit_media"))
{
if (str6 == "media_src")
{
goto Label_00BA;
}
if (str6 == "content_type")
{
goto Label_0106;
}
if (str6 == "media_etag")
{
goto Label_0146;
}
goto Label_0186;
}
if (value2.EditLink != null)
{
throw new ODataException(Microsoft.Data.OData.Strings.ODataJsonEntryAndFeedDeserializer_MultipleMetadataPropertiesForStreamProperty("edit_media"));
}
string propertyValue = base.JsonReader.ReadStringValue("edit_media");
ODataJsonReaderUtils.ValidateMediaResourceStringProperty(propertyValue, "edit_media");
value2.EditLink = base.ProcessUriFromPayload(propertyValue);
continue;
Label_00BA:
if (value2.ReadLink != null)
{
throw new ODataException(Microsoft.Data.OData.Strings.ODataJsonEntryAndFeedDeserializer_MultipleMetadataPropertiesForStreamProperty("media_src"));
}
string str3 = base.JsonReader.ReadStringValue("media_src");
ODataJsonReaderUtils.ValidateMediaResourceStringProperty(str3, "media_src");
value2.ReadLink = base.ProcessUriFromPayload(str3);
continue;
Label_0106:
if (value2.ContentType != null)
{
throw new ODataException(Microsoft.Data.OData.Strings.ODataJsonEntryAndFeedDeserializer_MultipleMetadataPropertiesForStreamProperty("content_type"));
}
string str4 = base.JsonReader.ReadStringValue("content_type");
ODataJsonReaderUtils.ValidateMediaResourceStringProperty(str4, "content_type");
value2.ContentType = str4;
continue;
Label_0146:
if (value2.ETag != null)
{
throw new ODataException(Microsoft.Data.OData.Strings.ODataJsonEntryAndFeedDeserializer_MultipleMetadataPropertiesForStreamProperty("media_etag"));
}
string str5 = base.JsonReader.ReadStringValue("media_etag");
ODataJsonReaderUtils.ValidateMediaResourceStringProperty(str5, "media_etag");
value2.ETag = str5;
continue;
Label_0186:
base.JsonReader.SkipValue();
}
base.JsonReader.ReadEndObject();
return value2;
}
private void ReadMediaSourceMetadataProperty(ref ODataJsonReaderUtils.MetadataPropertyBitMask metadataPropertiesFoundBitField, ref ODataStreamReferenceValue mediaResource)
{
if (base.UseServerFormatBehavior)
{
base.JsonReader.SkipValue();
}
else
{
ODataJsonReaderUtils.VerifyMetadataPropertyNotFound(ref metadataPropertiesFoundBitField, ODataJsonReaderUtils.MetadataPropertyBitMask.MediaUri, "media_src");
ODataJsonReaderUtils.EnsureInstance<ODataStreamReferenceValue>(ref mediaResource);
string propertyValue = base.JsonReader.ReadStringValue("media_src");
ODataJsonReaderUtils.ValidateMetadataStringProperty(propertyValue, "media_src");
mediaResource.ReadLink = base.ProcessUriFromPayload(propertyValue);
}
}
private void ReadContentTypeMetadataProperty(ref ODataJsonReaderUtils.MetadataPropertyBitMask metadataPropertiesFoundBitField, ref ODataStreamReferenceValue mediaResource)
{
if (base.UseServerFormatBehavior)
{
base.JsonReader.SkipValue();
}
else
{
ODataJsonReaderUtils.VerifyMetadataPropertyNotFound(ref metadataPropertiesFoundBitField, ODataJsonReaderUtils.MetadataPropertyBitMask.ContentType, "content_type");
ODataJsonReaderUtils.EnsureInstance<ODataStreamReferenceValue>(ref mediaResource);
string propertyValue = base.JsonReader.ReadStringValue("content_type");
ODataJsonReaderUtils.ValidateMetadataStringProperty(propertyValue, "content_type");
mediaResource.ContentType = propertyValue;
}
}
/// <summary>
/// Returns an existing stream property value if it already exists in the list of OData properties otherwise creates a new
/// ODataProperty for the stream property and returns the value of that property.
/// </summary>
/// <param name="entryState">The reader entry state for the entry being read.</param>
/// <param name="streamPropertyName">The name of the stream property to return.</param>
/// <returns>A new or an existing stream property value.</returns>
private ODataStreamReferenceValue GetNewOrExistingStreamPropertyValue(IODataAtomReaderEntryState entryState, string streamPropertyName)
{
Debug.Assert(entryState != null, "entryState != null");
Debug.Assert(streamPropertyName != null, "streamPropertyName != null");
List<ODataProperty> properties = ReaderUtils.GetPropertiesList(entryState.Entry.Properties);
// Property names are case sensitive, so compare in a case sensitive way.
ODataProperty streamProperty = properties.FirstOrDefault(p => String.CompareOrdinal(p.Name, streamPropertyName) == 0);
ODataStreamReferenceValue streamReferenceValue;
if (streamProperty == null)
{
// The ValidateLinkPropertyDefined will fail if a stream property is not defined and the reader settings don't allow
// reporting undeclared link properties. So if the method returns null, it means report the undeclared property anyway.
IEdmProperty streamEdmProperty = ReaderValidationUtils.ValidateLinkPropertyDefined(streamPropertyName, entryState.EntityType, this.MessageReaderSettings);
streamReferenceValue = new ODataStreamReferenceValue();
streamProperty = new ODataProperty
{
Name = streamPropertyName,
Value = streamReferenceValue
};
ReaderValidationUtils.ValidateStreamReferenceProperty(streamProperty, entryState.EntityType, streamEdmProperty);
entryState.DuplicatePropertyNamesChecker.CheckForDuplicatePropertyNames(streamProperty);
properties.Add(streamProperty);
}
else
{
streamReferenceValue = streamProperty.Value as ODataStreamReferenceValue;
if (streamReferenceValue == null)
{
throw new ODataException(o.Strings.ODataAtomEntryAndFeedDeserializer_StreamPropertyDuplicatePropertyName(streamPropertyName));
}
}
return streamReferenceValue;
}
/// <summary>
/// Reads the edit_media property in metadata value.
/// </summary>
/// <param name="metadataPropertiesFoundBitField">The bit fields with all the properties found in metadata value so far.</param>
/// <param name="mediaResource">The media resource value for the entry.</param>
/// <remarks>
/// Pre-Condition: first node of the 'edit_media' property's value
/// Post-Condition: JsonNodeType.Property: the next metadata property
/// JsonNodeType.EndObject: the end-object node of the metadata object
/// </remarks>
private void ReadEditMediaMetadataProperty(
ref ODataJsonReaderUtils.MetadataPropertyBitMask metadataPropertiesFoundBitField,
ref ODataStreamReferenceValue mediaResource)
{
if (this.UseServerFormatBehavior)
{
this.JsonReader.SkipValue();
}
else
{
ODataJsonReaderUtils.VerifyMetadataPropertyNotFound(
ref metadataPropertiesFoundBitField,
ODataJsonReaderUtils.MetadataPropertyBitMask.EditMedia,
JsonConstants.ODataMetadataEditMediaName);
ODataJsonReaderUtils.EnsureInstance(ref mediaResource);
string mediaEditLinkString = this.JsonReader.ReadStringValue(JsonConstants.ODataMetadataEditMediaName);
ODataJsonReaderUtils.ValidateMetadataStringProperty(mediaEditLinkString, JsonConstants.ODataMetadataEditMediaName);
mediaResource.EditLink = this.ProcessUriFromPayload(mediaEditLinkString);
}
}
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;
}
