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//------------------------------------------------------------------------------
// <copyright file="WebPartUtil.cs" company="Microsoft">
// Copyright (c) Microsoft Corporation. All rights reserved.
// </copyright>
//------------------------------------------------------------------------------
namespace System.Web.UI.WebControls.WebParts {
using System;
using System.Diagnostics;
using System.Reflection;
using System.Web.Compilation;
internal static class WebPartUtil {
// Called from WebPartManagerInternals and ConnectionsZone.
internal static object CreateObjectFromType(Type type) {
return HttpRuntime.FastCreatePublicInstance(type);
}
// We use BuildManager.GetType() instead of Type.GetType() so we can load types from the
// Code directory, even if no assembly is specified.
internal static Type DeserializeType(string typeName, bool throwOnError) {
return BuildManager.GetType(typeName, throwOnError);
}
internal static Type[] GetTypesForConstructor(ConstructorInfo constructor) {
Debug.Assert(constructor != null);
ParameterInfo[] parameters = constructor.GetParameters();
Type[] types = new Type[parameters.Length];
for (int i = 0; i < parameters.Length; i++) {
types[i] = parameters[i].ParameterType;
}
return types;
}
internal static bool IsConnectionPointTypeValid(Type connectionPointType, bool isConsumer) {
if (connectionPointType == null) {
return true;
}
if (!(connectionPointType.IsPublic || connectionPointType.IsNestedPublic)) {
return false;
}
Type baseType = isConsumer ? typeof(ConsumerConnectionPoint) : typeof(ProviderConnectionPoint);
if (!connectionPointType.IsSubclassOf(baseType)) {
return false;
}
Type[] constructorTypes = isConsumer ? ConsumerConnectionPoint.ConstructorTypes :
ProviderConnectionPoint.ConstructorTypes;
ConstructorInfo constructor = connectionPointType.GetConstructor(constructorTypes);
if (constructor == null) {
return false;
}
return true;
}
// This helper method used to be needed to resolve types in the Code directory. Since this
// was fixed in VSWhidbey 380793, we can just use Type.AssemblyQualifiedName instead of
// Type.FullName. However, I am leaving this helper method in place in case we need to make
// another fix in the future.
internal static string SerializeType(Type type) {
if (type.Assembly.GlobalAssemblyCache) {
return type.AssemblyQualifiedName;
}
else {
return type.FullName;
}
}
}
}
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