public virtual object BindModel(ControllerContext controllerContext, ModelBindingContext bindingContext)
{
EnsureStackHelper.EnsureStack();
if (bindingContext == null)
{
throw new ArgumentNullException("bindingContext");
}
bool performedFallback = false;
if (!String.IsNullOrEmpty(bindingContext.ModelName) && !bindingContext.ValueProvider.ContainsPrefix(bindingContext.ModelName))
{
// We couldn't find any entry that began with the prefix. If this is the top-level element, fall back
// to the empty prefix.
if (bindingContext.FallbackToEmptyPrefix)
{
bindingContext = new ModelBindingContext()
{
ModelMetadata = bindingContext.ModelMetadata,
ModelState = bindingContext.ModelState,
PropertyFilter = bindingContext.PropertyFilter,
ValueProvider = bindingContext.ValueProvider
};
performedFallback = true;
}
else
{
return(null);
}
}
// Simple model = int, string, etc.; determined by calling TypeConverter.CanConvertFrom(typeof(string))
// or by seeing if a value in the request exactly matches the name of the model we're binding.
// Complex type = everything else.
if (!performedFallback)
{
bool performRequestValidation = ShouldPerformRequestValidation(controllerContext, bindingContext);
ValueProviderResult valueProviderResult = bindingContext.UnvalidatedValueProvider.GetValue(bindingContext.ModelName, skipValidation: !performRequestValidation);
if (valueProviderResult != null)
{
return(BindSimpleModel(controllerContext, bindingContext, valueProviderResult));
}
}
if (!bindingContext.ModelMetadata.IsComplexType)
{
return(null);
}
return(BindComplexModel(controllerContext, bindingContext));
}
/// <inheritdoc />
public sealed override object ReadInline(object item, ODataDeserializerContext readContext)
{
if (item == null)
{
throw Error.ArgumentNull("item");
}
ODataEntryWithNavigationLinks entryWrapper = item as ODataEntryWithNavigationLinks;
if (entryWrapper == null)
{
throw Error.Argument("item", SRResources.ArgumentMustBeOfType, typeof(ODataEntry).Name);
}
// Recursion guard to avoid stack overflows
EnsureStackHelper.EnsureStack();
return(ReadEntry(entryWrapper, readContext));
}
/// <summary>
/// Attempt to bind against the given ActionContext.
/// </summary>
/// <param name="actionContext">The action context.</param>
/// <param name="bindingContext">The binding context.</param>
/// <param name="binders">set of binders to use for binding</param>
/// <returns>True if the bind was successful, else false.</returns>
public static bool Bind(this HttpActionContext actionContext, ModelBindingContext bindingContext, IEnumerable <IModelBinder> binders)
{
if (actionContext == null)
{
throw Error.ArgumentNull("actionContext");
}
if (bindingContext == null)
{
throw Error.ArgumentNull("bindingContext");
}
// Protects against stack overflow for deeply nested model binding
EnsureStackHelper.EnsureStack();
Type modelType = bindingContext.ModelType;
HttpConfiguration config = actionContext.ControllerContext.Configuration;
ModelBinderProvider providerFromAttr;
if (ModelBindingHelper.TryGetProviderFromAttributes(modelType, out providerFromAttr))
{
IModelBinder binder = providerFromAttr.GetBinder(config, modelType);
if (binder != null)
{
return(binder.BindModel(actionContext, bindingContext));
}
}
foreach (IModelBinder binder in binders)
{
if (binder != null)
{
if (binder.BindModel(actionContext, bindingContext))
{
return(true);
}
}
}
// Either we couldn't find a binder, or the binder couldn't bind. Distinction is not important.
return(false);
}
/// <inheritdoc />
public sealed override object ReadInline(object item, ODataDeserializerContext readContext)
{
if (item == null)
{
return(null);
}
ODataCollectionValue collection = item as ODataCollectionValue;
if (collection == null)
{
throw Error.Argument("item", SRResources.ArgumentMustBeOfType, typeof(ODataCollectionValue).Name);
}
// Recursion guard to avoid stack overflows
EnsureStackHelper.EnsureStack();
return(ReadCollectionValue(collection, readContext));
}
/// <summary>
/// Override this method if you want to visit each query node.
/// </summary>
/// <remarks>
/// This method is intended to be called from method overrides in subclasses. This method also supports unit-testing scenarios and is not intended to be called from user code.
/// Call the Validate method to validate a <see cref="FilterQueryOption"/> instance.
/// </remarks>
/// <param name="node"></param>
/// <param name="settings"></param>
public virtual void ValidateQueryNode(QueryNode node, ODataValidationSettings settings)
{
// Recursion guard to avoid stack overflows
EnsureStackHelper.EnsureStack();
SingleValueNode singleNode = node as SingleValueNode;
CollectionNode collectionNode = node as CollectionNode;
IncrementNodeCount(settings);
if (singleNode != null)
{
ValidateSingleValueNode(singleNode, settings);
}
else if (collectionNode != null)
{
ValidateCollectionNode(collectionNode, settings);
}
}
/// <inheritdoc />
public sealed override object ReadInline(object item, ODataDeserializerContext readContext)
{
if (item == null)
{
return(null);
}
ODataFeedWithEntries feed = item as ODataFeedWithEntries;
if (feed == null)
{
throw Error.Argument("item", SRResources.ArgumentMustBeOfType, typeof(ODataFeedWithEntries).Name);
}
// Recursion guard to avoid stack overflows
EnsureStackHelper.EnsureStack();
return(ReadFeed(feed, readContext));
}