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//------------------------------------------------------------------------------
// Copyright (c) Microsoft Corporation. All rights reserved.
//------------------------------------------------------------------------------
namespace System.ServiceModel.Configuration
{
using System.Collections.ObjectModel;
using System.Configuration;
using System.Runtime;
using System.Security;
using System.ServiceModel;
using System.ServiceModel.Channels;
public abstract partial class BindingCollectionElement : ConfigurationElement, IConfigurationContextProviderInternal
{
string bindingName = string.Empty;
protected internal abstract Binding GetDefault();
public string BindingName
{
get
{
if (String.IsNullOrEmpty(this.bindingName))
{
this.bindingName = this.GetBindingName();
}
return this.bindingName;
}
}
public abstract Type BindingType
{
get;
}
public abstract ReadOnlyCollection<IBindingConfigurationElement> ConfiguredBindings
{
get;
}
public abstract bool ContainsKey(string name);
[Fx.Tag.SecurityNote(Critical = "Calls UnsafeLookupCollection which elevates.",
Safe = "Doesn't leak config objects.")]
[SecuritySafeCritical]
string GetBindingName()
{
string configuredSectionName = String.Empty;
ExtensionElementCollection collection = null;
Type extensionSectionType = this.GetType();
collection = ExtensionsSection.UnsafeLookupCollection(ConfigurationStrings.BindingExtensions, ConfigurationHelpers.GetEvaluationContext(this));
if (null == collection)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ConfigurationErrorsException(SR.GetString(SR.ConfigExtensionCollectionNotFound,
ConfigurationStrings.BindingExtensions),
this.ElementInformation.Source,
this.ElementInformation.LineNumber));
}
for (int i = 0; i < collection.Count; i++)
{
ExtensionElement collectionElement = collection[i];
// Optimize for assembly qualified names.
if (collectionElement.Type.Equals(extensionSectionType.AssemblyQualifiedName, StringComparison.Ordinal))
{
configuredSectionName = collectionElement.Name;
break;
}
// Check type directly for the case that the extension is registered with something less than
// an full assembly qualified name.
Type collectionElementType = Type.GetType(collectionElement.Type, false);
if (null != collectionElementType && extensionSectionType.Equals(collectionElementType))
{
configuredSectionName = collectionElement.Name;
break;
}
}
if (String.IsNullOrEmpty(configuredSectionName))
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ConfigurationErrorsException(SR.GetString(SR.ConfigExtensionTypeNotRegisteredInCollection,
extensionSectionType.AssemblyQualifiedName,
ConfigurationStrings.BindingExtensions),
this.ElementInformation.Source,
this.ElementInformation.LineNumber));
}
return configuredSectionName;
}
protected internal abstract bool TryAdd(string name, Binding binding, Configuration config);
ContextInformation IConfigurationContextProviderInternal.GetEvaluationContext()
{
return this.EvaluationContext;
}
[Fx.Tag.SecurityNote(Miscellaneous = "RequiresReview - the return value will be used for a security decision -- see comment in interface definition.")]
ContextInformation IConfigurationContextProviderInternal.GetOriginalEvaluationContext()
{
Fx.Assert("Not implemented: IConfigurationContextProviderInternal.GetOriginalEvaluationContext");
return null;
}
}
}
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