protected void HandleOperationResponseHeaders(HttpStatusCode statusCode, Dictionary <string, string> headers)
{
Descriptor descriptor = this.ChangedEntries[this.entryIndex];
if (descriptor.DescriptorKind == DescriptorKind.Entity)
{
EntityDescriptor descriptor2 = (EntityDescriptor)descriptor;
if ((((descriptor.State == EntityStates.Added) || (this.streamRequestKind == StreamRequestKind.PostMediaResource)) || Util.IsFlagSet(this.Options, SaveChangesOptions.PatchOnUpdate)) && WebUtil.SuccessStatusCode(statusCode))
{
string str;
string str2;
Uri editLink = null;
headers.TryGetValue("Location", out str);
headers.TryGetValue("DataServiceId", out str2);
if (str != null)
{
editLink = WebUtil.ValidateLocationHeader(str);
}
else if ((descriptor.State == EntityStates.Added) || (this.streamRequestKind == StreamRequestKind.PostMediaResource))
{
throw System.Data.Services.Client.Error.NotSupported(System.Data.Services.Client.Strings.Deserialize_NoLocationHeader);
}
if (str2 != null)
{
if (str == null)
{
throw System.Data.Services.Client.Error.NotSupported(System.Data.Services.Client.Strings.Context_BothLocationAndIdMustBeSpecified);
}
WebUtil.ValidateIdentityValue(str2);
}
else
{
str2 = str;
}
if (null != editLink)
{
this.RequestInfo.EntityTracker.AttachLocation(descriptor2.Entity, str2, editLink);
}
}
if (this.streamRequestKind != StreamRequestKind.None)
{
if (!WebUtil.SuccessStatusCode(statusCode))
{
if (this.streamRequestKind == StreamRequestKind.PostMediaResource)
{
descriptor.State = EntityStates.Added;
}
this.streamRequestKind = StreamRequestKind.None;
descriptor.ContentGeneratedForSave = true;
}
else
{
string str3;
if ((this.streamRequestKind == StreamRequestKind.PostMediaResource) && headers.TryGetValue("ETag", out str3))
{
descriptor2.ETag = str3;
}
}
}
}
}
/// <summary>operation with HttpWebResponse</summary>
/// <param name="statusCode">status code of the response.</param>
/// <param name="headers">response headers.</param>
protected void HandleOperationResponseHeaders(HttpStatusCode statusCode, HeaderCollection headers)
{
Descriptor descriptor = this.ChangedEntries[this.entryIndex];
// in the first pass, the http response is packaged into a batch response (which is then processed in second pass).
// in this first pass, (all added entities and first call of modified media link entities) update their edit location
// added entities - so entities that have not sent content yet w/ reference links can inline those reference links in their payload
// media entities - because they can change edit location which is then necessary for second call that includes property content
if (descriptor.DescriptorKind == DescriptorKind.Entity)
{
EntityDescriptor entityDescriptor = (EntityDescriptor)descriptor;
Debug.Assert(this.streamRequestKind != StreamRequestKind.PostMediaResource || descriptor.State == EntityStates.Modified, "For the POST MR, the entity state must be modified");
// For POST and PATCH scenarios
if (descriptor.State == EntityStates.Added ||
this.streamRequestKind == StreamRequestKind.PostMediaResource ||
!Util.IsFlagSet(this.Options, SaveChangesOptions.ReplaceOnUpdate))
{
if (WebUtil.SuccessStatusCode(statusCode))
{
string location;
string odataEntityId;
Uri editLink = null;
headers.TryGetHeader(XmlConstants.HttpResponseLocation, out location);
headers.TryGetHeader(XmlConstants.HttpODataEntityId, out odataEntityId);
if (location != null)
{
// Verify the location header is an absolute uri
editLink = WebUtil.ValidateLocationHeader(location);
}
else if (descriptor.State == EntityStates.Added ||
this.streamRequestKind == StreamRequestKind.PostMediaResource)
{
// For POST scenarios, location header must be specified.
throw Error.NotSupported(Strings.Deserialize_NoLocationHeader);
}
// Verify the id value if present. Otherwise we should use the location header
// as identity. This was done to avoid breaking change, since in V1/V2, we used
// to do this.
Uri odataId = null;
if (odataEntityId != null)
{
odataId = WebUtil.ValidateIdentityValue(odataEntityId);
if (location == null)
{
throw Error.NotSupported(Strings.Context_BothLocationAndIdMustBeSpecified);
}
}
else
{
// we already verified that the location must be an absolute uri
odataId = UriUtil.CreateUri(location, UriKind.Absolute);
}
if (null != editLink)
{
this.RequestInfo.EntityTracker.AttachLocation(entityDescriptor.Entity, odataId, editLink);
}
}
}
if (this.streamRequestKind != StreamRequestKind.None)
{
if (!WebUtil.SuccessStatusCode(statusCode))
{
// If the request failed and it was the MR request we should not try to send the PUT MLE after it
// for one we don't have the location to send it to (if it was POST MR)
if (this.streamRequestKind == StreamRequestKind.PostMediaResource)
{
// If this was the POST MR it means we tried to add the entity. Now its state is Modified but we need
// to revert back to Added so that user can retry by calling SaveChanges again.
Debug.Assert(descriptor.State == EntityStates.Modified, "Entity state should be set to Modified once we've sent the POST MR");
descriptor.State = EntityStates.Added;
}
// Just reset the streamRequestKind flag - that means that we will not try to PUT the MLE and instead skip over
// to the next change (if we are to ignore errors that is)
this.streamRequestKind = StreamRequestKind.None;
// And we also need to mark it such that we generated the save content (which we did before the POST request in fact)
// to workaround the fact that we use the same descriptor object to track two requests.
descriptor.ContentGeneratedForSave = true;
}
else if (this.streamRequestKind == StreamRequestKind.PostMediaResource)
{
// We just finished a POST MR request and the PUT MLE coming immediately after it will
// need the new etag value from the server to succeed.
string etag;
if (headers.TryGetHeader(XmlConstants.HttpResponseETag, out etag))
{
entityDescriptor.ETag = etag;
}
// else is not interesting and we intentionally do nothing.
}
}
}
}
protected void HandleOperationResponseHeaders(HttpStatusCode statusCode, Dictionary<string, string> headers)
{
Descriptor descriptor = this.ChangedEntries[this.entryIndex];
if (descriptor.DescriptorKind == DescriptorKind.Entity)
{
EntityDescriptor descriptor2 = (EntityDescriptor) descriptor;
if ((((descriptor.State == EntityStates.Added) || (this.streamRequestKind == StreamRequestKind.PostMediaResource)) || Util.IsFlagSet(this.Options, SaveChangesOptions.PatchOnUpdate)) && WebUtil.SuccessStatusCode(statusCode))
{
string str;
string str2;
Uri editLink = null;
headers.TryGetValue("Location", out str);
headers.TryGetValue("DataServiceId", out str2);
if (str != null)
{
editLink = WebUtil.ValidateLocationHeader(str);
}
else if ((descriptor.State == EntityStates.Added) || (this.streamRequestKind == StreamRequestKind.PostMediaResource))
{
throw System.Data.Services.Client.Error.NotSupported(System.Data.Services.Client.Strings.Deserialize_NoLocationHeader);
}
if (str2 != null)
{
if (str == null)
{
throw System.Data.Services.Client.Error.NotSupported(System.Data.Services.Client.Strings.Context_BothLocationAndIdMustBeSpecified);
}
WebUtil.ValidateIdentityValue(str2);
}
else
{
str2 = str;
}
if (null != editLink)
{
this.RequestInfo.EntityTracker.AttachLocation(descriptor2.Entity, str2, editLink);
}
}
if (this.streamRequestKind != StreamRequestKind.None)
{
if (!WebUtil.SuccessStatusCode(statusCode))
{
if (this.streamRequestKind == StreamRequestKind.PostMediaResource)
{
descriptor.State = EntityStates.Added;
}
this.streamRequestKind = StreamRequestKind.None;
descriptor.ContentGeneratedForSave = true;
}
else
{
string str3;
if ((this.streamRequestKind == StreamRequestKind.PostMediaResource) && headers.TryGetValue("ETag", out str3))
{
descriptor2.ETag = str3;
}
}
}
}
}
