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using System;
using System.Runtime.Serialization;
using System.Security.Permissions;
using System.Web;
using System.Web.Caching;
using System.Web.Compilation;
namespace System.Web.Caching {
[Serializable]
[AspNetHostingPermission(SecurityAction.InheritanceDemand, Level = AspNetHostingPermissionLevel.Unrestricted)]
public class SubstitutionResponseElement: ResponseElement {
[NonSerialized]
private HttpResponseSubstitutionCallback _callback;
private string _targetTypeName;
private string _methodName;
public HttpResponseSubstitutionCallback Callback { get { return _callback; } }
private SubstitutionResponseElement() { } // hide default constructor
public SubstitutionResponseElement(HttpResponseSubstitutionCallback callback) {
if (callback == null)
throw new ArgumentNullException("callback");
_callback = callback;
}
[OnSerializing()]
private void OnSerializingMethod(StreamingContext context) {
// create a string representation of the callback
_targetTypeName = System.Web.UI.Util.GetAssemblyQualifiedTypeName(_callback.Method.ReflectedType);
_methodName = _callback.Method.Name;
}
[OnDeserialized()]
private void OnDeserializedMethod(StreamingContext context) {
// re-create each ValidationCallbackInfo from its string representation
Type target = BuildManager.GetType(_targetTypeName, true /*throwOnFail*/, false /*ignoreCase*/);
_callback = (HttpResponseSubstitutionCallback) Delegate.CreateDelegate(typeof(HttpResponseSubstitutionCallback), target, _methodName);
}
}
}
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