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Imported Upstream version 4.6.0.125
Former-commit-id: a2155e9bd80020e49e72e86c44da02a8ac0e57a4
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namespace System.Web.ModelBinding {
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using System.Collections.Generic;
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public sealed class KeyValuePairModelBinder<TKey, TValue> : IModelBinder {
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private ModelMetadataProvider _metadataProvider;
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internal ModelMetadataProvider MetadataProvider {
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get {
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if (_metadataProvider == null) {
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_metadataProvider = ModelMetadataProviders.Current;
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}
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return _metadataProvider;
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}
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set {
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_metadataProvider = value;
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}
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}
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public bool BindModel(ModelBindingExecutionContext modelBindingExecutionContext, ModelBindingContext bindingContext) {
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ModelBinderUtil.ValidateBindingContext(bindingContext, typeof(KeyValuePair<TKey, TValue>), true /* allowNullModel */);
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TKey key;
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bool keyBindingSucceeded = KeyValuePairModelBinderUtil.TryBindStrongModel<TKey>(modelBindingExecutionContext, bindingContext, "key", MetadataProvider, out key);
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TValue value;
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bool valueBindingSucceeded = KeyValuePairModelBinderUtil.TryBindStrongModel<TValue>(modelBindingExecutionContext, bindingContext, "value", MetadataProvider, out value);
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if (keyBindingSucceeded && valueBindingSucceeded) {
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bindingContext.Model = new KeyValuePair<TKey, TValue>(key, value);
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}
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return keyBindingSucceeded || valueBindingSucceeded;
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}
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}
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}
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