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Imported Upstream version 4.0.0~alpha1
Former-commit-id: 806294f5ded97629b74c85c09952f2a74fe182d9
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22
external/referencesource/System.Web/ModelBinding/KeyValuePairModelBinderProvider.cs
vendored
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22
external/referencesource/System.Web/ModelBinding/KeyValuePairModelBinderProvider.cs
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namespace System.Web.ModelBinding {
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using System.Collections.Generic;
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public sealed class KeyValuePairModelBinderProvider : ModelBinderProvider {
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public override IModelBinder GetBinder(ModelBindingExecutionContext modelBindingExecutionContext, ModelBindingContext bindingContext) {
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ModelBinderUtil.ValidateBindingContext(bindingContext);
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string keyFieldName = ModelBinderUtil.CreatePropertyModelName(bindingContext.ModelName, "key");
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string valueFieldName = ModelBinderUtil.CreatePropertyModelName(bindingContext.ModelName, "value");
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if (bindingContext.UnvalidatedValueProvider.ContainsPrefix(keyFieldName) && bindingContext.UnvalidatedValueProvider.ContainsPrefix(valueFieldName)) {
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return ModelBinderUtil.GetPossibleBinderInstance(bindingContext.ModelType, typeof(KeyValuePair<,>) /* supported model type */, typeof(KeyValuePairModelBinder<,>) /* binder type */);
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}
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else {
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// 'key' or 'value' missing
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return null;
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}
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}
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}
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}
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