protected ODataRequestMessageWrapper CreateRequest(EntityDescriptor entityDescriptor)
{
EntityStates state = entityDescriptor.State;
Uri resourceUri = entityDescriptor.GetResourceUri(this.RequestInfo.BaseUriResolver, false);
ClientEdmModel model = ClientEdmModel.GetModel(this.RequestInfo.MaxProtocolVersion);
Version requestVersion = DetermineRequestVersion(model.GetClientTypeAnnotation(model.GetOrCreateEdmType(entityDescriptor.Entity.GetType())), state);
string httpMethod = this.GetHttpMethod(state, ref requestVersion);
ODataRequestMessageWrapper requestMessage = this.CreateRequestMessage(resourceUri, httpMethod);
if (this.IsBatch)
{
requestMessage.SetHeader("Content-ID", entityDescriptor.ChangeOrder.ToString(CultureInfo.InvariantCulture));
}
if (EntityStates.Deleted != entityDescriptor.State)
{
requestMessage.SetHeader("Content-Type", "application/atom+xml");
}
if ((EntityStates.Deleted == state) || (EntityStates.Modified == state))
{
string latestETag = entityDescriptor.GetLatestETag();
if (latestETag != null)
{
requestMessage.SetHeader("If-Match", latestETag);
if (!this.IsBatch)
{
requestMessage.AddHeadersToReset("If-Match");
}
}
}
ApplyPreferences(requestMessage, httpMethod, this.RequestInfo.AddAndUpdateResponsePreference, ref requestVersion);
WebUtil.SetOperationVersionHeaders(requestMessage, requestVersion, this.RequestInfo.MaxProtocolVersionAsVersion);
return(requestMessage);
}
/// <summary>
/// Writes an entity reference link.
/// </summary>
/// <param name="binding">The link descriptor.</param>
/// <param name="requestMessage">The request message used for writing the payload.</param>
internal void WriteEntityReferenceLink(LinkDescriptor binding, ODataRequestMessageWrapper requestMessage)
#endif
{
using (ODataMessageWriter messageWriter = Serializer.CreateMessageWriter(requestMessage, this.requestInfo, false /*isParameterPayload*/))
{
EntityDescriptor targetResource = this.requestInfo.EntityTracker.GetEntityDescriptor(binding.Target);
Uri targetResourceEditLink;
if (null != targetResource.GetLatestIdentity())
{
// When we write the uri in the payload, we need to make sure that we write the edit
// link in the payload, since the request uri is the edit link of the parent entity.
// Think of a read/write service - since the uri is the target link to the parent entity
// its better that we write the edit link of the child entity in the payload.
targetResourceEditLink = targetResource.GetResourceUri(this.requestInfo.BaseUriResolver, false /*queryLink*/);
}
else
{
#if DEBUG
Debug.Assert(isBatch, "we should be cross-referencing entities only in batch scenarios");
#endif
targetResourceEditLink = UriUtil.CreateUri("$" + targetResource.ChangeOrder.ToString(CultureInfo.InvariantCulture), UriKind.Relative);
}
ODataEntityReferenceLink referenceLink = new ODataEntityReferenceLink();
referenceLink.Url = targetResourceEditLink;
messageWriter.WriteEntityReferenceLink(referenceLink);
}
}
protected Uri CreateRequestUri(EntityDescriptor sourceResource, LinkDescriptor binding)
{
Uri uri;
LinkInfo linkInfo = null;
if (sourceResource.TryGetLinkInfo(binding.SourceProperty, out linkInfo) && ((uri = linkInfo.AssociationLink) != null))
{
if (binding.IsSourcePropertyCollection && (EntityStates.Deleted == binding.State))
{
EntityDescriptor entityDescriptor = this.RequestInfo.EntityTracker.GetEntityDescriptor(binding.Target);
uri = DataServiceContext.AppendKeysToUri(uri.AbsoluteUri, entityDescriptor.Entity, UriKind.Absolute, this.RequestInfo.MaxProtocolVersion);
}
return(uri);
}
return(Util.CreateUri(sourceResource.GetResourceUri(this.RequestInfo.BaseUriResolver, false), this.CreateRequestRelativeUri(binding)));
}
internal void WriteEntityReferenceLink(LinkDescriptor binding, ODataRequestMessageWrapper requestMessage)
{
using (ODataMessageWriter writer = CreateMessageWriter(requestMessage, this.requestInfo))
{
Uri resourceUri;
EntityDescriptor entityDescriptor = this.requestInfo.EntityTracker.GetEntityDescriptor(binding.Target);
if (entityDescriptor.GetLatestIdentity() != null)
{
resourceUri = entityDescriptor.GetResourceUri(this.requestInfo.BaseUriResolver, false);
}
else
{
resourceUri = Util.CreateUri("$" + entityDescriptor.ChangeOrder.ToString(CultureInfo.InvariantCulture), UriKind.Relative);
}
ODataEntityReferenceLink link = new ODataEntityReferenceLink {
Url = resourceUri
};
writer.WriteEntityReferenceLink(link);
}
}
private ODataRequestMessageWrapper CheckAndProcessMediaEntryPost(EntityDescriptor entityDescriptor)
{
ClientEdmModel model = ClientEdmModel.GetModel(base.RequestInfo.MaxProtocolVersion);
ClientTypeAnnotation clientTypeAnnotation = model.GetClientTypeAnnotation(model.GetOrCreateEdmType(entityDescriptor.Entity.GetType()));
if (!clientTypeAnnotation.IsMediaLinkEntry && !entityDescriptor.IsMediaLinkEntry)
{
return(null);
}
if ((clientTypeAnnotation.MediaDataMember == null) && (entityDescriptor.SaveStream == null))
{
throw System.Data.Services.Client.Error.InvalidOperation(System.Data.Services.Client.Strings.Context_MLEWithoutSaveStream(clientTypeAnnotation.ElementTypeName));
}
ODataRequestMessageWrapper mediaResourceRequest = null;
if (clientTypeAnnotation.MediaDataMember != null)
{
string contentType = null;
int length = 0;
if (clientTypeAnnotation.MediaDataMember.MimeTypeProperty == null)
{
contentType = "application/octet-stream";
}
else
{
object obj2 = clientTypeAnnotation.MediaDataMember.MimeTypeProperty.GetValue(entityDescriptor.Entity);
string str2 = (obj2 != null) ? obj2.ToString() : null;
if (string.IsNullOrEmpty(str2))
{
throw System.Data.Services.Client.Error.InvalidOperation(System.Data.Services.Client.Strings.Context_NoContentTypeForMediaLink(clientTypeAnnotation.ElementTypeName, clientTypeAnnotation.MediaDataMember.MimeTypeProperty.PropertyName));
}
contentType = str2;
}
object propertyValue = clientTypeAnnotation.MediaDataMember.GetValue(entityDescriptor.Entity);
if (propertyValue == null)
{
base.mediaResourceRequestStream = null;
}
else
{
byte[] bytes = propertyValue as byte[];
if (bytes == null)
{
string str3;
Encoding encoding;
HttpProcessUtility.ReadContentType(contentType, out str3, out encoding);
if (encoding == null)
{
encoding = Encoding.UTF8;
contentType = contentType + ";charset=UTF-8";
}
bytes = encoding.GetBytes(ClientConvert.ToString(propertyValue));
}
length = bytes.Length;
base.mediaResourceRequestStream = new MemoryStream(bytes, 0, bytes.Length, false, true);
}
mediaResourceRequest = this.CreateMediaResourceRequest(entityDescriptor.GetResourceUri(base.RequestInfo.BaseUriResolver, false), "POST", Util.DataServiceVersion1, clientTypeAnnotation.MediaDataMember == null, true);
mediaResourceRequest.SetHeader("Content-Length", length.ToString(CultureInfo.InvariantCulture));
mediaResourceRequest.SetHeader("Content-Type", contentType);
mediaResourceRequest.AddHeadersToReset("Content-Length");
mediaResourceRequest.AddHeadersToReset("Content-Type");
}
else
{
mediaResourceRequest = this.CreateMediaResourceRequest(entityDescriptor.GetResourceUri(base.RequestInfo.BaseUriResolver, false), "POST", Util.DataServiceVersion1, clientTypeAnnotation.MediaDataMember == null, true);
this.SetupMediaResourceRequest(mediaResourceRequest, entityDescriptor.SaveStream, null);
}
entityDescriptor.State = EntityStates.Modified;
return(mediaResourceRequest);
}
private ODataRequestMessageWrapper CheckAndProcessMediaEntryPost(EntityDescriptor entityDescriptor)
{
ClientEdmModel model = ClientEdmModel.GetModel(base.RequestInfo.MaxProtocolVersion);
ClientTypeAnnotation clientTypeAnnotation = model.GetClientTypeAnnotation(model.GetOrCreateEdmType(entityDescriptor.Entity.GetType()));
if (!clientTypeAnnotation.IsMediaLinkEntry && !entityDescriptor.IsMediaLinkEntry)
{
return null;
}
if ((clientTypeAnnotation.MediaDataMember == null) && (entityDescriptor.SaveStream == null))
{
throw System.Data.Services.Client.Error.InvalidOperation(System.Data.Services.Client.Strings.Context_MLEWithoutSaveStream(clientTypeAnnotation.ElementTypeName));
}
ODataRequestMessageWrapper mediaResourceRequest = null;
if (clientTypeAnnotation.MediaDataMember != null)
{
string contentType = null;
int length = 0;
if (clientTypeAnnotation.MediaDataMember.MimeTypeProperty == null)
{
contentType = "application/octet-stream";
}
else
{
object obj2 = clientTypeAnnotation.MediaDataMember.MimeTypeProperty.GetValue(entityDescriptor.Entity);
string str2 = (obj2 != null) ? obj2.ToString() : null;
if (string.IsNullOrEmpty(str2))
{
throw System.Data.Services.Client.Error.InvalidOperation(System.Data.Services.Client.Strings.Context_NoContentTypeForMediaLink(clientTypeAnnotation.ElementTypeName, clientTypeAnnotation.MediaDataMember.MimeTypeProperty.PropertyName));
}
contentType = str2;
}
object propertyValue = clientTypeAnnotation.MediaDataMember.GetValue(entityDescriptor.Entity);
if (propertyValue == null)
{
base.mediaResourceRequestStream = null;
}
else
{
byte[] bytes = propertyValue as byte[];
if (bytes == null)
{
string str3;
Encoding encoding;
HttpProcessUtility.ReadContentType(contentType, out str3, out encoding);
if (encoding == null)
{
encoding = Encoding.UTF8;
contentType = contentType + ";charset=UTF-8";
}
bytes = encoding.GetBytes(ClientConvert.ToString(propertyValue));
}
length = bytes.Length;
base.mediaResourceRequestStream = new MemoryStream(bytes, 0, bytes.Length, false, true);
}
mediaResourceRequest = this.CreateMediaResourceRequest(entityDescriptor.GetResourceUri(base.RequestInfo.BaseUriResolver, false), "POST", Util.DataServiceVersion1, clientTypeAnnotation.MediaDataMember == null, true);
mediaResourceRequest.SetHeader("Content-Length", length.ToString(CultureInfo.InvariantCulture));
mediaResourceRequest.SetHeader("Content-Type", contentType);
mediaResourceRequest.AddHeadersToReset("Content-Length");
mediaResourceRequest.AddHeadersToReset("Content-Type");
}
else
{
mediaResourceRequest = this.CreateMediaResourceRequest(entityDescriptor.GetResourceUri(base.RequestInfo.BaseUriResolver, false), "POST", Util.DataServiceVersion1, clientTypeAnnotation.MediaDataMember == null, true);
this.SetupMediaResourceRequest(mediaResourceRequest, entityDescriptor.SaveStream, null);
}
entityDescriptor.State = EntityStates.Modified;
return mediaResourceRequest;
}
protected Uri CreateRequestUri(EntityDescriptor sourceResource, LinkDescriptor binding)
{
Uri uri;
LinkInfo linkInfo = null;
if (sourceResource.TryGetLinkInfo(binding.SourceProperty, out linkInfo) && ((uri = linkInfo.AssociationLink) != null))
{
if (binding.IsSourcePropertyCollection && (EntityStates.Deleted == binding.State))
{
EntityDescriptor entityDescriptor = this.RequestInfo.EntityTracker.GetEntityDescriptor(binding.Target);
uri = DataServiceContext.AppendKeysToUri(uri.AbsoluteUri, entityDescriptor.Entity, UriKind.Absolute, this.RequestInfo.MaxProtocolVersion);
}
return uri;
}
return Util.CreateUri(sourceResource.GetResourceUri(this.RequestInfo.BaseUriResolver, false), this.CreateRequestRelativeUri(binding));
}
protected ODataRequestMessageWrapper CreateRequest(EntityDescriptor entityDescriptor)
{
EntityStates state = entityDescriptor.State;
Uri resourceUri = entityDescriptor.GetResourceUri(this.RequestInfo.BaseUriResolver, false);
ClientEdmModel model = ClientEdmModel.GetModel(this.RequestInfo.MaxProtocolVersion);
Version requestVersion = DetermineRequestVersion(model.GetClientTypeAnnotation(model.GetOrCreateEdmType(entityDescriptor.Entity.GetType())), state);
string httpMethod = this.GetHttpMethod(state, ref requestVersion);
ODataRequestMessageWrapper requestMessage = this.CreateRequestMessage(resourceUri, httpMethod);
if (this.IsBatch)
{
requestMessage.SetHeader("Content-ID", entityDescriptor.ChangeOrder.ToString(CultureInfo.InvariantCulture));
}
if (EntityStates.Deleted != entityDescriptor.State)
{
requestMessage.SetHeader("Content-Type", "application/atom+xml");
}
if ((EntityStates.Deleted == state) || (EntityStates.Modified == state))
{
string latestETag = entityDescriptor.GetLatestETag();
if (latestETag != null)
{
requestMessage.SetHeader("If-Match", latestETag);
if (!this.IsBatch)
{
requestMessage.AddHeadersToReset("If-Match");
}
}
}
ApplyPreferences(requestMessage, httpMethod, this.RequestInfo.AddAndUpdateResponsePreference, ref requestVersion);
WebUtil.SetOperationVersionHeaders(requestMessage, requestVersion, this.RequestInfo.MaxProtocolVersionAsVersion);
return requestMessage;
}
