// Helper for ReadAs() to get a ModelBindingContext to invoke model binding over FormUrl data.
private static ModelBindingContext CreateModelBindingContext(
HttpActionContext actionContext,
string modelName,
Type type,
IValueProvider vp
)
{
Contract.Assert(actionContext != null);
Contract.Assert(type != null);
Contract.Assert(vp != null);
ServicesContainer cs = actionContext.ControllerContext.Configuration.Services;
ModelMetadataProvider metadataProvider = cs.GetModelMetadataProvider();
ModelBindingContext ctx = new ModelBindingContext()
{
ModelName = modelName,
FallbackToEmptyPrefix = false,
ModelMetadata = metadataProvider.GetMetadataForType(null, type),
ModelState = actionContext.ModelState,
ValueProvider = vp
};
return(ctx);
}
public bool BindModel(HttpActionContext actionContext, ModelBindingContext bindingContext)
{
ValueProviderResult valueProviderResult = GetCompatibleValueProviderResult(
bindingContext
);
if (valueProviderResult == null)
{
return(false); // conversion would have failed
}
bindingContext.ModelState.SetModelValue(bindingContext.ModelName, valueProviderResult);
object model = valueProviderResult.RawValue;
ModelBindingHelper.ReplaceEmptyStringWithNull(bindingContext.ModelMetadata, ref model);
bindingContext.Model = model;
if (bindingContext.ModelMetadata.IsComplexType)
{
HttpControllerContext controllerContext = actionContext.ControllerContext;
if (controllerContext == null)
{
throw Error.Argument(
"actionContext",
SRResources.TypePropertyMustNotBeNull,
typeof(HttpActionContext).Name,
"ControllerContext"
);
}
HttpConfiguration configuration = controllerContext.Configuration;
if (configuration == null)
{
throw Error.Argument(
"actionContext",
SRResources.TypePropertyMustNotBeNull,
typeof(HttpControllerContext).Name,
"Configuration"
);
}
ServicesContainer services = configuration.Services;
Contract.Assert(services != null);
IBodyModelValidator validator = services.GetBodyModelValidator();
ModelMetadataProvider metadataProvider = services.GetModelMetadataProvider();
if (validator != null && metadataProvider != null)
{
validator.Validate(
model,
bindingContext.ModelType,
metadataProvider,
actionContext,
bindingContext.ModelName
);
}
}
return(true);
}
