private static void AddDataControllerFormatters(List<MediaTypeFormatter> formatters, DataControllerDescription description)
{
var cachedSerializers = _serializerCache.GetOrAdd(description.ControllerType, controllerType =>
{
// for the specified controller type, set the serializers for the built
// in framework types
List<SerializerInfo> serializers = new List<SerializerInfo>();
Type[] exposedTypes = description.EntityTypes.ToArray();
serializers.Add(GetSerializerInfo(typeof(ChangeSetEntry[]), exposedTypes));
return serializers;
});
JsonMediaTypeFormatter formatterJson = new JsonMediaTypeFormatter();
formatterJson.SerializerSettings = new JsonSerializerSettings() { PreserveReferencesHandling = PreserveReferencesHandling.Objects, TypeNameHandling = TypeNameHandling.All };
XmlMediaTypeFormatter formatterXml = new XmlMediaTypeFormatter();
// apply the serializers to configuration
foreach (var serializerInfo in cachedSerializers)
{
formatterXml.SetSerializer(serializerInfo.ObjectType, serializerInfo.XmlSerializer);
}
formatters.Add(formatterJson);
formatters.Add(formatterXml);
}
protected override void Initialize(HttpControllerContext controllerContext)
{
// ensure that the service is valid and all custom metadata providers
// have been registered
_description = DataControllerDescription.GetDescription(controllerContext.ControllerDescriptor);
base.Initialize(controllerContext);
}
protected override void Initialize(HttpControllerContext controllerContext)
{
// ensure that the service is valid and all custom metadata providers
// have been registered
_description = DataControllerDescription.GetDescription(controllerContext.ControllerDescriptor);
base.Initialize(controllerContext);
}
private static IEnumerable <MediaTypeFormatter> GetFormatters(HttpControllerDescriptor descr)
{
HttpConfiguration config = descr.Configuration;
DataControllerDescription dataDesc = DataControllerDescription.GetDescription(descr);
List <MediaTypeFormatter> list = new List <MediaTypeFormatter>();
AddFormattersFromConfig(list, config);
AddDataControllerFormatters(list, dataDesc);
return(list);
}
protected override IEnumerable <MediaTypeFormatter> GetFormatters(HttpActionDescriptor actionDescriptor)
{
if (_formatters == null)
{
HttpControllerDescriptor descr = actionDescriptor.ControllerDescriptor;
HttpConfiguration config = actionDescriptor.Configuration;
DataControllerDescription dataDesc = DataControllerDescription.GetDescription(descr);
List <MediaTypeFormatter> list = new List <MediaTypeFormatter>();
AddFormattersFromConfig(list, config);
AddDataControllerFormatters(list, dataDesc);
_formatters = list.ToArray();
}
return(_formatters);
}
public override HttpActionDescriptor SelectAction(HttpControllerContext controllerContext)
{
// first check to see if this is a call to Submit
string actionName;
if (controllerContext.RouteData.Values.TryGetValue(ActionRouteKey, out actionName) && actionName.Equals(SubmitActionValue, StringComparison.Ordinal))
{
return(new SubmitActionDescriptor(controllerContext.ControllerDescriptor, controllerContext.Controller.GetType()));
}
// next check to see if this is a direct invocation of a CUD action
DataControllerDescription description = DataControllerDescription.GetDescription(controllerContext.ControllerDescriptor);
UpdateActionDescriptor action = description.GetUpdateAction(actionName);
if (action != null)
{
return(new SubmitProxyActionDescriptor(action));
}
return(base.SelectAction(controllerContext));
}
/// <summary>
/// For all operations in the current changeset, validate that the operation exists, and
/// set the operation entry.
/// </summary>
internal static void ResolveActions(DataControllerDescription description, IEnumerable <ChangeSetEntry> changeSet)
{
// Resolve and set the action for each operation in the changeset
foreach (ChangeSetEntry changeSetEntry in changeSet)
{
Type entityType = changeSetEntry.Entity.GetType();
UpdateActionDescriptor actionDescriptor = null;
if (changeSetEntry.Operation == ChangeOperation.Insert ||
changeSetEntry.Operation == ChangeOperation.Update ||
changeSetEntry.Operation == ChangeOperation.Delete)
{
actionDescriptor = description.GetUpdateAction(entityType, changeSetEntry.Operation);
}
// if a custom method invocation is specified, validate that the method exists
bool isCustomUpdate = false;
if (changeSetEntry.EntityActions != null && changeSetEntry.EntityActions.Any())
{
var entityAction = changeSetEntry.EntityActions.Single();
UpdateActionDescriptor customMethodOperation = description.GetCustomMethod(entityType, entityAction.Key);
if (customMethodOperation == null)
{
throw Error.InvalidOperation(Resource.DataController_InvalidAction, entityAction.Key, entityType.Name);
}
// if the primary action for an update is null but the entry
// contains a valid custom update action, its considered a "custom update"
isCustomUpdate = actionDescriptor == null && customMethodOperation != null;
}
if (actionDescriptor == null && !isCustomUpdate)
{
throw Error.InvalidOperation(Resource.DataController_InvalidAction, changeSetEntry.Operation.ToString(), entityType.Name);
}
changeSetEntry.ActionDescriptor = actionDescriptor;
}
}
public override HttpActionDescriptor SelectAction(HttpControllerContext controllerContext)
{
// first check to see if this is a call to Submit
string actionName;
if (controllerContext.RouteData.Values.TryGetValue(ActionRouteKey, out actionName) && actionName.Equals(SubmitActionValue, StringComparison.Ordinal))
{
return(new SubmitActionDescriptor(controllerContext.ControllerDescriptor, controllerContext.Controller.GetType()));
}
// next check to see if this is a direct invocation of a CUD action
DataControllerDescription description = DataControllerDescription.GetDescription(controllerContext.ControllerDescriptor);
UpdateActionDescriptor action = description.GetUpdateAction(actionName);
if (action != null)
{
return(new SubmitProxyActionDescriptor(action));
}
// for all other non-CUD operations, we wrap the descriptor in our
// customizing descriptor to layer on additional functionality.
return(new CustomizingActionDescriptor(base.SelectAction(controllerContext)));
}
/// <summary>
/// For all operations in the current changeset, validate that the operation exists, and
/// set the operation entry.
/// </summary>
internal static void ResolveActions(DataControllerDescription description, IEnumerable<ChangeSetEntry> changeSet)
{
// Resolve and set the action for each operation in the changeset
foreach (ChangeSetEntry changeSetEntry in changeSet)
{
Type entityType = changeSetEntry.Entity.GetType();
UpdateActionDescriptor actionDescriptor = null;
if (changeSetEntry.Operation == ChangeOperation.Insert ||
changeSetEntry.Operation == ChangeOperation.Update ||
changeSetEntry.Operation == ChangeOperation.Delete)
{
actionDescriptor = description.GetUpdateAction(entityType, changeSetEntry.Operation);
}
// if a custom method invocation is specified, validate that the method exists
bool isCustomUpdate = false;
if (changeSetEntry.EntityActions != null && changeSetEntry.EntityActions.Any())
{
var entityAction = changeSetEntry.EntityActions.Single();
UpdateActionDescriptor customMethodOperation = description.GetCustomMethod(entityType, entityAction.Key);
if (customMethodOperation == null)
{
throw Error.InvalidOperation(Resource.DataController_InvalidAction, entityAction.Key, entityType.Name);
}
// if the primary action for an update is null but the entry
// contains a valid custom update action, its considered a "custom update"
isCustomUpdate = actionDescriptor == null && customMethodOperation != null;
}
if (actionDescriptor == null && !isCustomUpdate)
{
throw Error.InvalidOperation(Resource.DataController_InvalidAction, changeSetEntry.Operation.ToString(), entityType.Name);
}
changeSetEntry.ActionDescriptor = actionDescriptor;
}
}
private static void AddDataControllerFormatters(List <MediaTypeFormatter> formatters, DataControllerDescription description)
{
var cachedSerializers = _serializerCache.GetOrAdd(description.ControllerType, controllerType =>
{
// for the specified controller type, set the serializers for the built
// in framework types
List <SerializerInfo> serializers = new List <SerializerInfo>();
Type[] exposedTypes = description.EntityTypes.ToArray();
serializers.Add(GetSerializerInfo(typeof(ChangeSetEntry[]), exposedTypes));
serializers.Add(GetSerializerInfo(typeof(QueryResult), exposedTypes));
return(serializers);
});
JsonMediaTypeFormatter formatterJson = new JsonMediaTypeFormatter();
formatterJson.SerializerSettings = new JsonSerializerSettings()
{
PreserveReferencesHandling = PreserveReferencesHandling.Objects, TypeNameHandling = TypeNameHandling.All
};
XmlMediaTypeFormatter formatterXml = new XmlMediaTypeFormatter();
// apply the serializers to configuration
foreach (var serializerInfo in cachedSerializers)
{
formatterXml.SetSerializer(serializerInfo.ObjectType, serializerInfo.XmlSerializer);
}
formatters.Add(formatterJson);
formatters.Add(formatterXml);
}