/// <summary>
/// Creates an instance of the input context for this format.
/// </summary>
/// <param name="readerPayloadKind">The <see cref="ODataPayloadKind"/> to read.</param>
/// <param name="message">The message to use.</param>
/// <param name="contentType">The content type of the message to read.</param>
/// <param name="encoding">The encoding to use.</param>
/// <param name="messageReaderSettings">Configuration settings of the OData reader.</param>
/// <param name="version">The OData protocol version to be used for reading the payload.</param>
/// <param name="readingResponse">true if reading a response message; otherwise false.</param>
/// <param name="model">The model to use.</param>
/// <param name="urlResolver">The optional URL resolver to perform custom URL resolution for URLs read from the payload.</param>
/// <param name="payloadKindDetectionFormatState">Format specific state stored during payload kind detection
/// using the <see cref="ODataPayloadKindDetectionInfo.SetPayloadKindDetectionFormatState"/>.</param>
/// <returns>The newly created input context.</returns>
internal override ODataInputContext CreateInputContext(
ODataPayloadKind readerPayloadKind,
ODataMessage message,
MediaType contentType,
Encoding encoding,
ODataMessageReaderSettings messageReaderSettings,
ODataVersion version,
bool readingResponse,
IEdmModel model,
IODataUrlResolver urlResolver,
object payloadKindDetectionFormatState)
{
ExceptionUtils.CheckArgumentNotNull(message, "message");
ExceptionUtils.CheckArgumentNotNull(messageReaderSettings, "messageReaderSettings");
Stream messageStream = message.GetStream();
return(new ODataRawInputContext(
this,
messageStream,
encoding,
messageReaderSettings,
version,
readingResponse,
/*synchronous*/ true,
model,
urlResolver,
readerPayloadKind));
}
/// <summary>
/// Asynchronously creates an instance of the input context for this format.
/// </summary>
/// <param name="readerPayloadKind">The <see cref="ODataPayloadKind"/> to read.</param>
/// <param name="message">The message to use.</param>
/// <param name="contentType">The content type of the message to read.</param>
/// <param name="encoding">The encoding to use.</param>
/// <param name="messageReaderSettings">Configuration settings of the OData reader.</param>
/// <param name="version">The OData protocol version to be used for reading the payload.</param>
/// <param name="readingResponse">true if reading a response message; otherwise false.</param>
/// <param name="model">The model to use.</param>
/// <param name="urlResolver">The optional URL resolver to perform custom URL resolution for URLs read from the payload.</param>
/// <param name="payloadKindDetectionFormatState">Format specific state stored during payload kind detection
/// using the <see cref="ODataPayloadKindDetectionInfo.SetPayloadKindDetectionFormatState"/>.</param>
/// <returns>Task which when completed returned the newly created input context.</returns>
internal override Task <ODataInputContext> CreateInputContextAsync(
ODataPayloadKind readerPayloadKind,
ODataMessage message,
MediaType contentType,
Encoding encoding,
ODataMessageReaderSettings messageReaderSettings,
ODataVersion version,
bool readingResponse,
IEdmModel model,
IODataUrlResolver urlResolver,
object payloadKindDetectionFormatState)
{
ExceptionUtils.CheckArgumentNotNull(message, "message");
ExceptionUtils.CheckArgumentNotNull(messageReaderSettings, "messageReaderSettings");
return(message.GetStreamAsync()
.FollowOnSuccessWith(
(streamTask) => (ODataInputContext) new ODataRawInputContext(
this,
streamTask.Result,
encoding,
messageReaderSettings,
version,
readingResponse,
/*synchronous*/ false,
model,
urlResolver,
readerPayloadKind)));
}
/// <summary>
/// Creates an instance of the output context for this format.
/// </summary>
/// <param name="message">The message to use.</param>
/// <param name="mediaType">The specific media type being written.</param>
/// <param name="encoding">The encoding to use.</param>
/// <param name="messageWriterSettings">Configuration settings of the OData writer.</param>
/// <param name="writingResponse">true if writing a response message; otherwise false.</param>
/// <param name="model">The model to use.</param>
/// <param name="urlResolver">The optional URL resolver to perform custom URL resolution for URLs written to the payload.</param>
/// <returns>Task which represents the pending create operation.</returns>
internal abstract Task <ODataOutputContext> CreateOutputContextAsync(
ODataMessage message,
MediaType mediaType,
Encoding encoding,
ODataMessageWriterSettings messageWriterSettings,
bool writingResponse,
IEdmModel model,
IODataUrlResolver urlResolver);
/// <summary>
/// Sets the 'OData-Version' HTTP header on the message based on the protocol version specified in the settings.
/// </summary>
/// <param name="message">The message to set the OData-Version header on.</param>
/// <param name="settings">The <see cref="ODataMessageWriterSettings"/> determining the protocol version to use.</param>
internal static void SetODataVersion(ODataMessage message, ODataMessageWriterSettings settings)
{
Debug.Assert(message != null, "message != null");
Debug.Assert(settings != null, "settings != null");
Debug.Assert(settings.Version.HasValue, "settings.Version.HasValue");
string odataVersionString = ODataUtils.ODataVersionToString(settings.Version.Value);
message.SetHeader(ODataConstants.ODataVersionHeader, odataVersionString);
}
/// <summary>
/// Reads the OData-Version header from the <paramref name="message"/> and parses it.
/// If no OData-Version header is found it sets the default version to be used for reading.
/// </summary>
/// <param name="message">The message to get the OData-Version header from.</param>
/// <param name="defaultVersion">The default version to use if the header was not specified.</param>
/// <returns>
/// The <see cref="ODataVersion"/> retrieved from the OData-Version header of the message.
/// The default version if none is specified in the header.
/// </returns>
internal static ODataVersion GetODataVersion(ODataMessage message, ODataVersion defaultVersion)
{
Debug.Assert(message != null, "message != null");
string originalHeaderValue = message.GetHeader(ODataConstants.ODataVersionHeader);
string headerValue = originalHeaderValue;
return(string.IsNullOrEmpty(headerValue)
? defaultVersion
: ODataUtils.StringToODataVersion(headerValue));
}
/// <summary>
/// Asynchronously creates an instance of the input context for this format.
/// </summary>
/// <param name="readerPayloadKind">The <see cref="ODataPayloadKind"/> to read.</param>
/// <param name="message">The message to use.</param>
/// <param name="contentType">The content type of the message to read.</param>
/// <param name="encoding">The encoding to use.</param>
/// <param name="messageReaderSettings">Configuration settings of the OData reader.</param>
/// <param name="version">The OData protocol version to be used for reading the payload.</param>
/// <param name="readingResponse">true if reading a response message; otherwise false.</param>
/// <param name="model">The model to use.</param>
/// <param name="urlResolver">The optional URL resolver to perform custom URL resolution for URLs read from the payload.</param>
/// <param name="payloadKindDetectionFormatState">Format specific state stored during payload kind detection
/// using the <see cref="ODataPayloadKindDetectionInfo.SetPayloadKindDetectionFormatState"/>.</param>
/// <returns>Task which when completed returned the newly created input context.</returns>
internal abstract Task <ODataInputContext> CreateInputContextAsync(
ODataPayloadKind readerPayloadKind,
ODataMessage message,
MediaType contentType,
Encoding encoding,
ODataMessageReaderSettings messageReaderSettings,
ODataVersion version,
bool readingResponse,
IEdmModel model,
IODataUrlResolver urlResolver,
object payloadKindDetectionFormatState);
/// <summary>
/// Creates an instance of the output context for this format.
/// </summary>
/// <param name="message">The message to use.</param>
/// <param name="mediaType">The specific media type being written.</param>
/// <param name="encoding">The encoding to use.</param>
/// <param name="messageWriterSettings">Configuration settings of the OData writer.</param>
/// <param name="writingResponse">true if writing a response message; otherwise false.</param>
/// <param name="model">The model to use.</param>
/// <param name="urlResolver">The optional URL resolver to perform custom URL resolution for URLs written to the payload.</param>
/// <returns>Task which represents the pending create operation.</returns>
internal override Task <ODataOutputContext> CreateOutputContextAsync(
ODataMessage message,
MediaType mediaType,
Encoding encoding,
ODataMessageWriterSettings messageWriterSettings,
bool writingResponse,
IEdmModel model,
IODataUrlResolver urlResolver)
{
ExceptionUtils.CheckArgumentNotNull(message, "message");
ExceptionUtils.CheckArgumentNotNull(messageWriterSettings, "messageWriterSettings");
throw new ODataException(Strings.General_InternalError(InternalErrorCodes.ODataMetadataFormat_CreateOutputContextAsync));
}
/// <summary>
/// Asynchronously creates an instance of the input context for this format.
/// </summary>
/// <param name="readerPayloadKind">The <see cref="ODataPayloadKind"/> to read.</param>
/// <param name="message">The message to use.</param>
/// <param name="contentType">The content type of the message to read.</param>
/// <param name="encoding">The encoding to use.</param>
/// <param name="messageReaderSettings">Configuration settings of the OData reader.</param>
/// <param name="version">The OData protocol version to be used for reading the payload.</param>
/// <param name="readingResponse">true if reading a response message; otherwise false.</param>
/// <param name="model">The model to use.</param>
/// <param name="urlResolver">The optional URL resolver to perform custom URL resolution for URLs read from the payload.</param>
/// <param name="payloadKindDetectionFormatState">Format specific state stored during payload kind detection
/// using the <see cref="ODataPayloadKindDetectionInfo.SetPayloadKindDetectionFormatState"/>.</param>
/// <returns>Task which when completed returned the newly created input context.</returns>
internal override Task <ODataInputContext> CreateInputContextAsync(
ODataPayloadKind readerPayloadKind,
ODataMessage message,
MediaType contentType,
Encoding encoding,
ODataMessageReaderSettings messageReaderSettings,
ODataVersion version,
bool readingResponse,
IEdmModel model,
IODataUrlResolver urlResolver,
object payloadKindDetectionFormatState)
{
ExceptionUtils.CheckArgumentNotNull(message, "message");
ExceptionUtils.CheckArgumentNotNull(messageReaderSettings, "messageReaderSettings");
throw new ODataException(Strings.General_InternalError(InternalErrorCodes.ODataMetadataFormat_CreateInputContextAsync));
}
/// <summary>
/// Creates an instance of the output context for this format.
/// </summary>
/// <param name="message">The message to use.</param>
/// <param name="mediaType">The specific media type being written.</param>
/// <param name="encoding">The encoding to use.</param>
/// <param name="messageWriterSettings">Configuration settings of the OData writer.</param>
/// <param name="writingResponse">true if writing a response message; otherwise false.</param>
/// <param name="model">The model to use.</param>
/// <param name="urlResolver">The optional URL resolver to perform custom URL resolution for URLs written to the payload.</param>
/// <returns>Task which represents the pending create operation.</returns>
internal override Task <ODataOutputContext> CreateOutputContextAsync(
ODataMessage message,
MediaType mediaType,
Encoding encoding,
ODataMessageWriterSettings messageWriterSettings,
bool writingResponse,
IEdmModel model,
IODataUrlResolver urlResolver)
{
ExceptionUtils.CheckArgumentNotNull(message, "message");
ExceptionUtils.CheckArgumentNotNull(messageWriterSettings, "messageWriterSettings");
return(message.GetStreamAsync()
.FollowOnSuccessWith(
(streamTask) => (ODataOutputContext) new ODataRawOutputContext(
this,
streamTask.Result,
encoding,
messageWriterSettings,
writingResponse,
/*synchronous*/ false,
model,
urlResolver)));
}
/// <summary>
/// Creates an instance of the output context for this format.
/// </summary>
/// <param name="message">The message to use.</param>
/// <param name="mediaType">The specific media type being written.</param>
/// <param name="encoding">The encoding to use.</param>
/// <param name="messageWriterSettings">Configuration settings of the OData writer.</param>
/// <param name="writingResponse">true if writing a response message; otherwise false.</param>
/// <param name="model">The model to use.</param>
/// <param name="urlResolver">The optional URL resolver to perform custom URL resolution for URLs written to the payload.</param>
/// <returns>The newly created output context.</returns>
internal override ODataOutputContext CreateOutputContext(
ODataMessage message,
MediaType mediaType,
Encoding encoding,
ODataMessageWriterSettings messageWriterSettings,
bool writingResponse,
IEdmModel model,
IODataUrlResolver urlResolver)
{
ExceptionUtils.CheckArgumentNotNull(message, "message");
ExceptionUtils.CheckArgumentNotNull(messageWriterSettings, "messageWriterSettings");
Stream messageStream = message.GetStream();
return(new ODataRawOutputContext(
this,
messageStream,
encoding,
messageWriterSettings,
writingResponse,
/*synchronous*/ true,
model,
urlResolver));
}
/// <summary>
/// Internal constructor to instantiate an <see cref="ODataPreferenceHeader"/> from an <see cref="IODataResponseMessage"/>.
/// </summary>
/// <param name="responseMessage">The response message to get and set the "Preference-Applied" header.</param>
internal ODataPreferenceHeader(IODataResponseMessage responseMessage)
{
Debug.Assert(responseMessage != null, "responseMessage != null");
this.message = new ODataResponseMessage(responseMessage, /*writing*/ true, /*disableMessageStreamDisposal*/ false, /*maxMessageSize*/ -1);
this.preferenceHeaderName = PreferenceAppliedHeaderName;
}