/// <summary>
/// Constructor.
/// </summary>
/// <param name="inputContext">The input context to read the content from.</param>
/// <param name="batchBoundary">The boundary string for the batch structure itself.</param>
/// <param name="batchEncoding">The encoding to use to read from the batch stream.</param>
/// <param name="synchronous">true if the reader is created for synchronous operation; false for asynchronous.</param>
internal ODataBatchReader(ODataRawInputContext inputContext, string batchBoundary, Encoding batchEncoding, bool synchronous)
{
Debug.Assert(inputContext != null, "inputContext != null");
Debug.Assert(!string.IsNullOrEmpty(batchBoundary), "!string.IsNullOrEmpty(batchBoundary)");
this.inputContext = inputContext;
this.container = inputContext.Container;
this.synchronous = synchronous;
this.payloadUriConverter = new ODataBatchPayloadUriConverter(inputContext.PayloadUriConverter);
this.batchStream = new ODataBatchReaderStream(inputContext, batchBoundary, batchEncoding);
this.allowLegacyContentIdBehaviour = true;
}
/// <summary>
/// Creates an operation request message that can be used to read the operation content from.
/// </summary>
/// <param name="batchReaderStream">The batch stream underyling the operation response message.</param>
/// <param name="method">The HTTP method to use for the message to create.</param>
/// <param name="requestUrl">The request URL for the message to create.</param>
/// <param name="headers">The headers to use for the operation request message.</param>
/// <param name="operationListener">The operation listener.</param>
/// <param name="contentId">The content-ID for the operation request message.</param>
/// <param name="payloadUriConverter">The (optional) URL converter for the message to create.</param>
/// <param name="container">The dependency injection container to get related services.</param>
/// <returns>An <see cref="ODataBatchOperationRequestMessage"/> to read the request content from.</returns>
internal static ODataBatchOperationRequestMessage CreateReadMessage(
ODataBatchReaderStream batchReaderStream,
string method,
Uri requestUrl,
ODataBatchOperationHeaders headers,
IODataBatchOperationListener operationListener,
string contentId,
IODataPayloadUriConverter payloadUriConverter,
IServiceProvider container)
{
Debug.Assert(batchReaderStream != null, "batchReaderStream != null");
Debug.Assert(operationListener != null, "operationListener != null");
Func <Stream> streamCreatorFunc = () => ODataBatchUtils.CreateBatchOperationReadStream(batchReaderStream, headers, operationListener);
return(new ODataBatchOperationRequestMessage(streamCreatorFunc, method, requestUrl, headers, operationListener, contentId, payloadUriConverter, /*writing*/ false, container));
}
/// <summary>
/// Creates an operation response message that can be used to read the operation content from.
/// </summary>
/// <param name="batchReaderStream">The batch stream underyling the operation response message.</param>
/// <param name="statusCode">The status code to use for the operation response message.</param>
/// <param name="headers">The headers to use for the operation response message.</param>
/// <param name="contentId">The content-ID for the operation response message.</param>
/// <param name="operationListener">The operation listener.</param>
/// <param name="payloadUriConverter">The (optional) URL converter for the message to create.</param>
/// <param name="container">The dependency injection container to get related services.</param>
/// <returns>An <see cref="ODataBatchOperationResponseMessage"/> that can be used to read the operation content.</returns>
internal static ODataBatchOperationResponseMessage CreateReadMessage(
ODataBatchReaderStream batchReaderStream,
int statusCode,
ODataBatchOperationHeaders headers,
string contentId,
IODataBatchOperationListener operationListener,
IODataPayloadUriConverter payloadUriConverter,
IServiceProvider container)
{
Debug.Assert(batchReaderStream != null, "batchReaderStream != null");
Debug.Assert(operationListener != null, "operationListener != null");
Func <Stream> streamCreatorFunc = () => ODataBatchUtils.CreateBatchOperationReadStream(batchReaderStream, headers, operationListener);
ODataBatchOperationResponseMessage responseMessage =
new ODataBatchOperationResponseMessage(streamCreatorFunc, headers, operationListener, contentId, payloadUriConverter, /*writing*/ false, container);
responseMessage.statusCode = statusCode;
return(responseMessage);
}
/// <summary>
/// Creates a batch operation stream from the specified batch stream.
/// </summary>
/// <param name="batchReaderStream">The batch stream to create the operation read stream for.</param>
/// <param name="headers">The headers of the current part; based on the header we create different, optimized stream implementations.</param>
/// <param name="operationListener">The operation listener to be passed to the newly created read stream.</param>
/// <returns>A new <see cref="ODataReadStream"/> instance.</returns>
internal static ODataReadStream CreateBatchOperationReadStream(
ODataBatchReaderStream batchReaderStream,
ODataBatchOperationHeaders headers,
IODataStreamListener operationListener)
{
Debug.Assert(batchReaderStream != null, "batchReaderStream != null");
Debug.Assert(operationListener != null, "operationListener != null");
// See whether we have a Content-Length header
string contentLengthValue;
if (headers.TryGetValue(ODataConstants.ContentLengthHeader, out contentLengthValue))
{
int length = Int32.Parse(contentLengthValue, CultureInfo.InvariantCulture);
if (length < 0)
{
throw new ODataException(Strings.ODataBatchReaderStream_InvalidContentLengthSpecified(contentLengthValue));
}
return(ODataReadStream.Create(batchReaderStream, operationListener, length));
}
return(ODataReadStream.Create(batchReaderStream, operationListener));
}
/// <summary>
/// Constructor.
/// </summary>
/// <param name="batchReaderStream">The underlying stream to read from.</param>
/// <param name="listener">Listener interface to be notified of operation changes.</param>
internal ODataBatchOperationReadStream(ODataBatchReaderStream batchReaderStream, IODataBatchOperationListener listener)
: base(listener)
{
Debug.Assert(batchReaderStream != null, "batchReaderStream != null");
this.batchReaderStream = batchReaderStream;
}
/// <summary>
/// Constructor.
/// </summary>
/// <param name="batchReaderStream">The underlying batch stream to write the message to.</param>
/// <param name="listener">Listener interface to be notified of operation changes.</param>
internal ODataBatchOperationReadStreamWithDelimiter(ODataBatchReaderStream batchReaderStream, IODataBatchOperationListener listener)
: base(batchReaderStream, listener)
{
}
/// <summary>
/// Constructor.
/// </summary>
/// <param name="batchReaderStream">The underlying batch stream to write the message to.</param>
/// <param name="listener">Listener interface to be notified of operation changes.</param>
/// <param name="length">The total length of the stream.</param>
internal ODataBatchOperationReadStreamWithLength(ODataBatchReaderStream batchReaderStream, IODataBatchOperationListener listener, int length)
: base(batchReaderStream, listener)
{
ExceptionUtils.CheckIntegerNotNegative(length, "length");
this.length = length;
}
/// <summary>
/// Create a batch operation read stream over the specified batch stream using the batch delimiter to detect the end of the stream.
/// </summary>
/// <param name="batchReaderStream">The batch stream underlying the operation stream to create.</param>
/// <param name="listener">The batch operation listener.</param>
/// <returns>A <see cref="ODataBatchOperationReadStream"/> to read the content of a batch operation from.</returns>
internal static ODataBatchOperationReadStream Create(ODataBatchReaderStream batchReaderStream, IODataBatchOperationListener listener)
{
return(new ODataBatchOperationReadStreamWithDelimiter(batchReaderStream, listener));
}
/// <summary>
/// Create a batch operation read stream over the specified batch stream with a given content length.
/// </summary>
/// <param name="batchReaderStream">The batch stream underlying the operation stream to create.</param>
/// <param name="listener">The batch operation listener.</param>
/// <param name="length">The content length of the operation stream.</param>
/// <returns>A <see cref="ODataBatchOperationReadStream"/> to read the content of a batch operation from.</returns>
internal static ODataBatchOperationReadStream Create(ODataBatchReaderStream batchReaderStream, IODataBatchOperationListener listener, int length)
{
return(new ODataBatchOperationReadStreamWithLength(batchReaderStream, listener, length));
}
/// <summary>
/// Constructor.
/// </summary>
/// <param name="batchReaderStream">The underlying stream to read from.</param>
/// <param name="listener">Listener interface to be notified of operation changes.</param>
private ODataReadStream(ODataBatchReaderStream batchReaderStream, IODataStreamListener listener)
: base(listener)
{
Debug.Assert(batchReaderStream != null, "batchReaderStream != null");
this.batchReaderStream = batchReaderStream;
}
