90 lines
3.3 KiB
C#
90 lines
3.3 KiB
C#
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/* ****************************************************************************
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*
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* Copyright (c) Microsoft Corporation. All rights reserved.
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*
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* This software is subject to the Microsoft Public License (Ms-PL).
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* A copy of the license can be found in the license.htm file included
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* in this distribution.
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*
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* You must not remove this notice, or any other, from this software.
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*
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* ***************************************************************************/
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namespace System.Web.Mvc {
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using System;
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using System.Collections.Specialized;
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using System.Diagnostics.CodeAnalysis;
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using System.Globalization;
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using System.Web.Mvc.Resources;
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[SuppressMessage("Microsoft.Usage", "CA2237:MarkISerializableTypesWithSerializable",
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Justification = "It is not anticipated that users will need to serialize this type.")]
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[SuppressMessage("Microsoft.Design", "CA1035:ICollectionImplementationsHaveStronglyTypedMembers",
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Justification = "It is not anticipated that users will call FormCollection.CopyTo().")]
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[FormCollectionBinder]
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public sealed class FormCollection : NameValueCollection, IValueProvider {
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public FormCollection() {
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}
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public FormCollection(NameValueCollection collection) {
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if (collection == null) {
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throw new ArgumentNullException("collection");
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}
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Add(collection);
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}
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public ValueProviderResult GetValue(string name) {
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if (name == null) {
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throw new ArgumentNullException("name");
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}
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string[] rawValue = GetValues(name);
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if (rawValue == null) {
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return null;
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}
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string attemptedValue = this[name];
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return new ValueProviderResult(rawValue, attemptedValue, CultureInfo.CurrentCulture);
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}
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public IValueProvider ToValueProvider() {
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return this;
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}
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#region IValueProvider Members
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bool IValueProvider.ContainsPrefix(string prefix) {
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return ValueProviderUtil.CollectionContainsPrefix(AllKeys, prefix);
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}
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ValueProviderResult IValueProvider.GetValue(string key) {
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return GetValue(key);
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}
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#endregion
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private sealed class FormCollectionBinderAttribute : CustomModelBinderAttribute {
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// since the FormCollectionModelBinder.BindModel() method is thread-safe, we only need to keep
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// a single instance of the binder around
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private static readonly FormCollectionModelBinder _binder = new FormCollectionModelBinder();
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public override IModelBinder GetBinder() {
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return _binder;
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}
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// this class is used for generating a FormCollection object
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private sealed class FormCollectionModelBinder : IModelBinder {
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public object BindModel(ControllerContext controllerContext, ModelBindingContext bindingContext) {
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if (controllerContext == null) {
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throw new ArgumentNullException("controllerContext");
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}
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return new FormCollection(controllerContext.HttpContext.Request.Form);
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}
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}
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}
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}
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}
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