protected Message CreateResponseMessage(SyncSerializationFormat serializationFormat, SyncWriter oDataWriter)
{
var bodyWriter = new DelegateBodyWriter(WriteResponse, oDataWriter);
Message message = Message.CreateMessage(MessageVersion.None, String.Empty, bodyWriter);
switch (serializationFormat)
{
case SyncSerializationFormat.ODataAtom:
message.Properties.Add(WebBodyFormatMessageProperty.Name, new WebBodyFormatMessageProperty(WebContentFormat.Xml));
break;
case SyncSerializationFormat.ODataJson:
message.Properties.Add(WebBodyFormatMessageProperty.Name, new WebBodyFormatMessageProperty(WebContentFormat.Json));
break;
}
var property = new HttpResponseMessageProperty { StatusCode = HttpStatusCode.OK };
property.Headers[HttpResponseHeader.ContentType] = WebUtil.GetContentType(serializationFormat);
// Copy the SyncOperationContext's ResponseHeaders if present
if (this._operationContext != null)
{
property.Headers.Add(this._operationContext.ResponseHeaders);
}
message.Properties.Add(HttpResponseMessageProperty.Name, property);
return message;
}
/// <summary>
/// Callback for the Upload HttpWebRequest.beginGetRequestStream
/// </summary>
/// <param name="asyncResult">IAsyncResult object</param>
void OnUploadGetRequestStreamCompleted(IAsyncResult asyncResult)
{
AsyncArgsWrapper wrapper = asyncResult.AsyncState as AsyncArgsWrapper;
try
{
Stream requestStream = wrapper.WebRequest.EndGetRequestStream(asyncResult);
// Create a SyncWriter to write the contents
this._syncWriter = (base.SerializationFormat == SerializationFormat.ODataAtom)
? (SyncWriter)new ODataAtomWriter(base.BaseUri)
: (SyncWriter)new ODataJsonWriter(base.BaseUri);
this._syncWriter.StartFeed(wrapper.CacheRequest.IsLastBatch, wrapper.CacheRequest.KnowledgeBlob ?? new byte[0]);
foreach (IOfflineEntity entity in wrapper.CacheRequest.Changes)
{
// Skip tombstones that dont have a ID element.
if (entity.ServiceMetadata.IsTombstone && string.IsNullOrEmpty(entity.ServiceMetadata.Id))
{
continue;
}
string tempId = null;
// Check to see if this is an insert. i.e ServiceMetadata.Id is null or empty
if (string.IsNullOrEmpty(entity.ServiceMetadata.Id))
{
if (wrapper.TempIdToEntityMapping == null)
{
wrapper.TempIdToEntityMapping = new Dictionary<string, IOfflineEntity>();
}
tempId = Guid.NewGuid().ToString();
wrapper.TempIdToEntityMapping.Add(tempId, entity);
}
this._syncWriter.AddItem(entity, tempId);
}
if (base.SerializationFormat == SerializationFormat.ODataAtom)
{
this._syncWriter.WriteFeed(XmlWriter.Create(requestStream));
}
else
{
this._syncWriter.WriteFeed(JsonReaderWriterFactory.CreateJsonWriter(requestStream));
}
requestStream.Flush();
requestStream.Close();
if (this._beforeRequestHandler != null)
{
// Invoke user code and wait for them to call back us when they are done with the input request
this._workerManager.PostProgress(wrapper.WorkerRequest, this.FirePreRequestHandler, wrapper);
}
else
{
this.GetWebResponse(wrapper);
}
}
catch (Exception e)
{
if (ExceptionUtility.IsFatal(e))
{
throw;
}
wrapper.Error = e;
this._workerManager.CompleteWorkRequest(wrapper.WorkerRequest, wrapper);
}
}
/// <summary>
/// Callback for the Download HttpWebRequest.beginGetRequestStream
/// </summary>
/// <param name="asyncResult">IAsyncResult object</param>
void OnDownloadGetRequestStreamCompleted(IAsyncResult asyncResult)
{
AsyncArgsWrapper wrapper = asyncResult.AsyncState as AsyncArgsWrapper;
try
{
Stream requestStream = wrapper.WebRequest.EndGetRequestStream(asyncResult);
// Create a SyncWriter to write the contents
this._syncWriter = (base.SerializationFormat == SerializationFormat.ODataAtom)
? (SyncWriter)new ODataAtomWriter(base.BaseUri)
: (SyncWriter)new ODataJsonWriter(base.BaseUri);
this._syncWriter.StartFeed(wrapper.CacheRequest.IsLastBatch, wrapper.CacheRequest.KnowledgeBlob ?? new byte[0]);
if (base.SerializationFormat == SerializationFormat.ODataAtom)
{
this._syncWriter.WriteFeed(XmlWriter.Create(requestStream));
}
else
{
this._syncWriter.WriteFeed(JsonReaderWriterFactory.CreateJsonWriter(requestStream));
}
requestStream.Flush();
requestStream.Close();
if (this._beforeRequestHandler != null)
{
// Invoke user code and wait for them to call back us when they are done with the input request
this._workerManager.PostProgress(wrapper.WorkerRequest, this.FirePreRequestHandler, wrapper);
}
else
{
this.GetWebResponse(wrapper);
}
}
catch (Exception e)
{
if (ExceptionUtility.IsFatal(e))
{
throw;
}
wrapper.Error = e;
this._workerManager.CompleteWorkRequest(wrapper.WorkerRequest, wrapper);
}
}
internal DelegateBodyWriter(Action<XmlDictionaryWriter, SyncWriter> writer, SyncWriter syncWriter) : base(false)
{
_writerAction = writer;
_syncWriter = syncWriter;
}
/// <summary>
/// Delegate passed into the custom body writer to form the outgoing response.
/// </summary>
/// <param name="writer"></param>
/// <param name="syncWriter"></param>
private static void WriteResponse(XmlDictionaryWriter writer, SyncWriter syncWriter)
{
try
{
syncWriter.WriteFeed(writer);
}
catch (Exception exception)
{
// An exception at this point seems to be unrecoverable but ideally we should not hit exceptions since we are only
// writing to the XmlDictionaryWriter.
SyncServiceTracer.TraceError("Exception in WriteResponse method. Details: {0}", WebUtil.GetExceptionMessage(exception));
}
}
NSData CreateRequestBody()
{
if (ApplicationContext.Current.Settings.BitMobileFormatterDisabled)
_syncWriter = new ODataAtomWriter(BaseUri);
else
_syncWriter = new BMWriter(BaseUri);
_syncWriter.StartFeed(_wrapper.CacheRequest.IsLastBatch, _wrapper.CacheRequest.KnowledgeBlob ?? new byte[0]);
var requestStream = new MemoryStream();
if (_wrapper.CacheRequest.RequestType == CacheRequestType.UploadChanges)
{
foreach (IOfflineEntity entity in _wrapper.CacheRequest.Changes)
{
var ientity = (IEntity)entity;
// Skip tombstones that dont have a ID element.
if (entity.ServiceMetadata.IsTombstone && string.IsNullOrEmpty(entity.ServiceMetadata.Id))
{
if (ientity != null)
LogManager.Logger.SyncUpload(ientity.EntityType, true);
continue;
}
string tempId = null;
// Check to see if this is an insert. i.e ServiceMetadata.Id is null or empty
if (string.IsNullOrEmpty(entity.ServiceMetadata.Id))
{
if (_wrapper.TempIdToEntityMapping == null)
{
_wrapper.TempIdToEntityMapping = new Dictionary<string, IOfflineEntity>();
}
tempId = Guid.NewGuid().ToString();
_wrapper.TempIdToEntityMapping.Add(tempId, entity);
}
_syncWriter.AddItem(entity, tempId);
if (ientity != null)
LogManager.Logger.SyncUpload(ientity.EntityType);
}
}
_syncWriter.WriteFeed(SerializationFormat == SerializationFormat.ODataAtom
? XmlWriter.Create(requestStream)
: JsonReaderWriterFactory.CreateJsonWriter(requestStream));
string result;
requestStream.Seek(0, SeekOrigin.Begin);
using (var reader = new StreamReader(requestStream))
{
result = reader.ReadToEnd();
}
requestStream.Flush();
requestStream.Close();
var dataString = new NSString(result);
return dataString.DataUsingEncoding(NSStringEncoding.UTF8);
}
NSData CreateRequestBody ()
{
_syncWriter = (SyncWriter)new ODataAtomWriter (base.BaseUri);
_syncWriter.StartFeed (_wrapper.CacheRequest.IsLastBatch, _wrapper.CacheRequest.KnowledgeBlob ?? new byte[0]);
MemoryStream requestStream = new MemoryStream ();
if (_wrapper.CacheRequest.RequestType == CacheRequestType.UploadChanges) {
foreach (IOfflineEntity entity in _wrapper.CacheRequest.Changes) {
// Skip tombstones that dont have a ID element.
if (entity.ServiceMetadata.IsTombstone && string.IsNullOrEmpty (entity.ServiceMetadata.Id)) {
continue;
}
string tempId = null;
// Check to see if this is an insert. i.e ServiceMetadata.Id is null or empty
if (string.IsNullOrEmpty (entity.ServiceMetadata.Id)) {
if (_wrapper.TempIdToEntityMapping == null) {
_wrapper.TempIdToEntityMapping = new Dictionary<string, IOfflineEntity> ();
}
tempId = Guid.NewGuid ().ToString ();
_wrapper.TempIdToEntityMapping.Add (tempId, entity);
}
_syncWriter.AddItem (entity, tempId);
}
}
if (base.SerializationFormat == SerializationFormat.ODataAtom) {
_syncWriter.WriteFeed (XmlWriter.Create (requestStream));
} else {
_syncWriter.WriteFeed (JsonReaderWriterFactory.CreateJsonWriter (requestStream));
}
string result = "";
requestStream.Seek (0, SeekOrigin.Begin);
using (StreamReader reader = new StreamReader (requestStream)) {
result = reader.ReadToEnd ();
}
requestStream.Flush ();
requestStream.Close ();
NSString dataString = new NSString (result);
return dataString.DataUsingEncoding (NSStringEncoding.UTF8);
}
