59 lines
2.0 KiB
C#
59 lines
2.0 KiB
C#
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namespace System.Web.Mvc {
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using System.Collections.Generic;
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using System.Collections.ObjectModel;
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using System.Linq;
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public class ModelBinderProviderCollection : Collection<IModelBinderProvider> {
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private IResolver<IEnumerable<IModelBinderProvider>> _serviceResolver;
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public ModelBinderProviderCollection() {
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_serviceResolver = new MultiServiceResolver<IModelBinderProvider>(() => Items);
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}
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public ModelBinderProviderCollection(IList<IModelBinderProvider> list)
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: base(list) {
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_serviceResolver = new MultiServiceResolver<IModelBinderProvider>(() => Items);
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}
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internal ModelBinderProviderCollection(IResolver<IEnumerable<IModelBinderProvider>> resolver, params IModelBinderProvider[] providers)
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: base(providers) {
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_serviceResolver = resolver ?? new MultiServiceResolver<IModelBinderProvider>(() => Items);
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}
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private IEnumerable<IModelBinderProvider> CombinedItems {
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get {
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return _serviceResolver.Current;
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}
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}
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protected override void InsertItem(int index, IModelBinderProvider item) {
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if (item == null) {
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throw new ArgumentNullException("item");
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}
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base.InsertItem(index, item);
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}
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protected override void SetItem(int index, IModelBinderProvider item) {
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if (item == null) {
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throw new ArgumentNullException("item");
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}
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base.SetItem(index, item);
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}
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public IModelBinder GetBinder(Type modelType) {
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if (modelType == null) {
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throw new ArgumentNullException("modelType");
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}
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var modelBinders = from providers in CombinedItems
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let modelBinder = providers.GetBinder(modelType)
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where modelBinder != null
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select modelBinder;
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return modelBinders.FirstOrDefault();
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}
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}
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}
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