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namespace System.Web.ModelBinding {
using System;
// Returns a user-specified binder for a given type.
public sealed class SimpleModelBinderProvider : ModelBinderProvider {
private readonly Func<IModelBinder> _modelBinderFactory;
private readonly Type _modelType;
public SimpleModelBinderProvider(Type modelType, IModelBinder modelBinder) {
if (modelType == null) {
throw new ArgumentNullException("modelType");
}
if (modelBinder == null) {
throw new ArgumentNullException("modelBinder");
}
_modelType = modelType;
_modelBinderFactory = () => modelBinder;
}
public SimpleModelBinderProvider(Type modelType, Func<IModelBinder> modelBinderFactory) {
if (modelType == null) {
throw new ArgumentNullException("modelType");
}
if (modelBinderFactory == null) {
throw new ArgumentNullException("modelBinderFactory");
}
_modelType = modelType;
_modelBinderFactory = modelBinderFactory;
}
public Type ModelType {
get {
return _modelType;
}
}
public bool SuppressPrefixCheck {
get;
set;
}
public override IModelBinder GetBinder(ModelBindingExecutionContext modelBindingExecutionContext, ModelBindingContext bindingContext) {
ModelBinderUtil.ValidateBindingContext(bindingContext);
if (bindingContext.ModelType == ModelType) {
if (SuppressPrefixCheck || bindingContext.UnvalidatedValueProvider.ContainsPrefix(bindingContext.ModelName)) {
return _modelBinderFactory();
}
}
return null;
}
}
}
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