CustomBindingCollectionElement.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / WCF / WCF / 3.5.30729.1 / untmp / Orcas / SP / ndp / cdf / src / WCF / ServiceModel / System / ServiceModel / Configuration / CustomBindingCollectionElement.cs / 1 / CustomBindingCollectionElement.cs
                        

                        
                            //------------------------------------------------------------------------------ 
// Copyright (c) Microsoft Corporation.  All rights reserved.
//-----------------------------------------------------------------------------

namespace System.ServiceModel.Configuration 
{
    using System.Collections.Generic; 
    using System.Collections.ObjectModel; 
    using System.Configuration;
    using System.Globalization; 
    using System.ServiceModel;
    using System.ServiceModel.Channels;

 
    public sealed partial class CustomBindingCollectionElement : BindingCollectionElement
    { 
 
        [ConfigurationProperty(ConfigurationStrings.DefaultCollectionName, Options = ConfigurationPropertyOptions.IsDefaultCollection)]
        public CustomBindingElementCollection Bindings 
        {
            get {return (CustomBindingElementCollection) base[ConfigurationStrings.DefaultCollectionName]; }
        }
 
        public override Type BindingType
        { 
            get {return typeof(CustomBinding); } 
        }
 
        public override ReadOnlyCollection ConfiguredBindings
        {
            get
            { 
                List configuredBindings = new List();
                foreach (IBindingConfigurationElement configuredBinding in this.Bindings) 
                { 
                    configuredBindings.Add(configuredBinding);
                } 

                return new ReadOnlyCollection(configuredBindings);
            }
        } 

        public override bool ContainsKey(string name) 
        { 
            // This line needed because of the IBindingSection implementation
            return this.Bindings.ContainsKey(name); 
        }

        protected internal override Binding GetDefault()
        { 
            return System.Activator.CreateInstance();
        } 
        internal static CustomBindingCollectionElement GetBindingCollectionElement() 
        {
            return (CustomBindingCollectionElement)ConfigurationHelpers.GetBindingCollectionElement(ConfigurationStrings.CustomBindingCollectionElementName); 
        }

        bool TryCreateMatchingExtension(BindingElement bindingElement, ExtensionElementCollection collection, bool allowDerivedTypes, string assemblyName, out BindingElementExtensionElement result)
        { 
            result = null;
            foreach (ExtensionElement element in collection) 
            { 
                BindingElementExtensionElement bindingElementExtension = Activator.CreateInstance(Type.GetType(element.Type, true)) as BindingElementExtensionElement;
                if (null == bindingElementExtension) 
                {
                    throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ConfigurationErrorsException(SR.GetString(SR.ConfigInvalidExtensionType,
                        element.Type,
                        assemblyName, 
                        ConfigurationStrings.BindingElementExtensions)));
                } 
 
                bool isMatch;
                if (allowDerivedTypes) 
                {
                    isMatch = bindingElementExtension.BindingElementType.IsAssignableFrom(bindingElement.GetType());
                }
                else 
                {
                    isMatch = bindingElementExtension.BindingElementType.Equals(bindingElement.GetType()); 
                } 

                if (isMatch) 
                {
                    result = bindingElementExtension;
                    return true;
                } 
            }
            return false; 
        } 

        protected internal override bool TryAdd(string name, Binding binding, Configuration config) 
        {
            if (String.IsNullOrEmpty(name))
            {
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("name"); 
            }
 
            if (null == binding) 
            {
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("binding"); 
            }

            if (null == config)
            { 
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("config");
            } 
 
            ServiceModelSectionGroup sg = ServiceModelSectionGroup.GetSectionGroup(config);
            CustomBindingElementCollection customBindings = sg.Bindings.CustomBinding.Bindings; 
            CustomBindingElement configElement = new CustomBindingElement(name);
            customBindings.Add(configElement);

            ExtensionElementCollection collection = sg.Extensions.BindingElementExtensions; 

            CustomBinding customBinding = (CustomBinding) binding; 
            foreach (BindingElement bindingElement in customBinding.Elements) 
            {
                BindingElementExtensionElement bindingElementExtension; 
                bool foundMatch = TryCreateMatchingExtension(bindingElement, collection, false, configElement.CollectionElementBaseType.AssemblyQualifiedName, out bindingElementExtension);
                if (!foundMatch)
                {
                    foundMatch = TryCreateMatchingExtension(bindingElement, collection, true, configElement.CollectionElementBaseType.AssemblyQualifiedName, out bindingElementExtension); 
                }
                if (!foundMatch) 
                { 
                    break;
                } 
                bindingElementExtension.InitializeFrom(bindingElement);
                configElement.Add(bindingElementExtension);
            }
 
            bool retval = configElement.Count == customBinding.Elements.Count;
            if (!retval) 
            { 
                customBindings.Remove(configElement);
            } 

            return retval;
        }
    } 
}
 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.

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