59 lines
1.7 KiB
C#
59 lines
1.7 KiB
C#
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namespace System.Web.ModelBinding {
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using System;
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using System.Collections.Generic;
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using System.Web;
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/// <summary>
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/// This class provides all the external things that the Model Binding System requires.
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/// These include HttpContext and ModelState.
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/// </summary>
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public class ModelBindingExecutionContext {
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private Dictionary<Type, object> _services = new Dictionary<Type,object>();
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private HttpContextBase _httpContext;
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private ModelStateDictionary _modelState;
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public ModelBindingExecutionContext(HttpContextBase httpContext, ModelStateDictionary modelState) {
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if (httpContext == null) {
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throw new ArgumentNullException("httpContext");
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}
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if (modelState == null) {
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throw new ArgumentNullException("modelState");
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}
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_httpContext = httpContext;
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_modelState = modelState;
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}
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public virtual HttpContextBase HttpContext {
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get {
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return _httpContext;
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}
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}
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public virtual ModelStateDictionary ModelState {
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get {
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return _modelState;
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}
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}
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public virtual void PublishService<TService>(TService service) {
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_services[typeof(TService)] = service;
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}
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public virtual TService GetService<TService>() {
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return (TService)_services[typeof(TService)];
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}
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public virtual TService TryGetService<TService>() {
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if (_services.ContainsKey(typeof(TService))) {
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return (TService)_services[typeof(TService)];
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}
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return default(TService);
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}
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}
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}
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