/// <summary>
/// Asynchronously writes the context URI property and the specified value into the payload.
/// </summary>
/// <param name="payloadKind">The ODataPayloadKind for the context URI.</param>
/// <param name="contextUrlInfoGen">Function to generate contextUrlInfo.</param>
/// <param name="parentContextUrlInfo">The parent contextUrlInfo.</param>
/// <param name="propertyName">Property name to write contextUri on.</param>
/// <returns>A task that represents the asynchronous read operation.
/// The value of the TResult parameter contains the contextUrlInfo,
/// if the context URI was successfully written.</returns>
internal async Task <ODataContextUrlInfo> WriteContextUriPropertyAsync(
ODataPayloadKind payloadKind,
Func <ODataContextUrlInfo> contextUrlInfoGen = null,
ODataContextUrlInfo parentContextUrlInfo = null,
string propertyName = null)
{
if (this.jsonLightOutputContext.MetadataLevel is JsonNoMetadataLevel)
{
return(null);
}
ODataContextUrlInfo contextUrlInfo = null;
if (contextUrlInfoGen != null)
{
contextUrlInfo = contextUrlInfoGen();
}
if (contextUrlInfo != null && contextUrlInfo.IsHiddenBy(parentContextUrlInfo))
{
return(null);
}
Uri contextUri = ContextUriBuilder.BuildContextUri(payloadKind, contextUrlInfo);
if (contextUri != null)
{
if (string.IsNullOrEmpty(propertyName))
{
await this.AsynchronousODataAnnotationWriter.WriteInstanceAnnotationNameAsync(ODataAnnotationNames.ODataContext)
.ConfigureAwait(false);
}
else
{
await this.AsynchronousODataAnnotationWriter.WritePropertyAnnotationNameAsync(propertyName, ODataAnnotationNames.ODataContext)
.ConfigureAwait(false);
}
await this.AsynchronousJsonWriter.WritePrimitiveValueAsync(contextUri.IsAbsoluteUri?contextUri.AbsoluteUri : contextUri.OriginalString)
.ConfigureAwait(false);
this.allowRelativeUri = true;
return(contextUrlInfo);
}
return(null);
}
/// <summary>
/// Writes the context URI property and the specified value into the payload.
/// </summary>
/// <param name="payloadKind">The ODataPayloadKind for the context URI.</param>
/// <param name="contextUrlInfoGen">Function to generate contextUrlInfo.</param>
/// <param name="parentContextUrlInfo">The parent contextUrlInfo.</param>
/// <param name="propertyName">Property name to write contextUri on.</param>
/// <returns>The contextUrlInfo, if the context URI was successfully written.</returns>
internal ODataContextUrlInfo WriteContextUriProperty(
ODataPayloadKind payloadKind,
Func <ODataContextUrlInfo> contextUrlInfoGen = null,
ODataContextUrlInfo parentContextUrlInfo = null,
string propertyName = null)
{
if (this.jsonLightOutputContext.MetadataLevel is JsonNoMetadataLevel)
{
return(null);
}
Uri contextUri = null;
ODataContextUrlInfo contextUrlInfo = null;
if (contextUrlInfoGen != null)
{
contextUrlInfo = contextUrlInfoGen();
}
if (contextUrlInfo != null && contextUrlInfo.IsHiddenBy(parentContextUrlInfo))
{
return(null);
}
contextUri = this.ContextUriBuilder.BuildContextUri(payloadKind, contextUrlInfo);
if (contextUri != null)
{
if (string.IsNullOrEmpty(propertyName))
{
this.ODataAnnotationWriter.WriteInstanceAnnotationName(ODataAnnotationNames.ODataContext);
}
else
{
this.ODataAnnotationWriter.WritePropertyAnnotationName(propertyName, ODataAnnotationNames.ODataContext);
}
this.JsonWriter.WritePrimitiveValue(contextUri.IsAbsoluteUri ? contextUri.AbsoluteUri : contextUri.OriginalString);
this.allowRelativeUri = true;
return(contextUrlInfo);
}
return(null);
}