CustomBindingElement.cs source code in C# .NET

                        Code:
                         / WCF / WCF / 3.5.30729.1 / untmp / Orcas / SP / ndp / cdf / src / WCF / ServiceModel / System / ServiceModel / Configuration / CustomBindingElement.cs / 1 / CustomBindingElement.cs
                        
                        
                            //------------------------------------------------------------------------------ 
// Copyright (c) Microsoft Corporation.  All rights reserved.
//-----------------------------------------------------------------------------

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

    public partial class CustomBindingElement
        : NamedServiceModelExtensionCollectionElement, 
        ICollection,
        IBindingConfigurationElement 
    { 
        public CustomBindingElement()
            : this(null) 
        {}

        public CustomBindingElement(string name) :
            base(ConfigurationStrings.BindingElementExtensions, name) 
        {}
 
        [ConfigurationProperty(ConfigurationStrings.CloseTimeout, DefaultValue=ServiceDefaults.CloseTimeoutString)] 
        [TypeConverter(typeof(TimeSpanOrInfiniteConverter))]
        [ServiceModelTimeSpanValidator(MinValueString = ConfigurationStrings.TimeSpanZero)] 
        public TimeSpan CloseTimeout
        {
            get { return (TimeSpan)base[ConfigurationStrings.CloseTimeout]; }
            set 
            {
                base[ConfigurationStrings.CloseTimeout] = value; 
                this.SetIsModified(); 
            }
        } 

        [ConfigurationProperty(ConfigurationStrings.OpenTimeout, DefaultValue=ServiceDefaults.OpenTimeoutString)]
        [TypeConverter(typeof(TimeSpanOrInfiniteConverter))]
        [ServiceModelTimeSpanValidator(MinValueString = ConfigurationStrings.TimeSpanZero)] 
        public TimeSpan OpenTimeout
        { 
            get { return (TimeSpan)base[ConfigurationStrings.OpenTimeout]; } 
            set
            { 
                base[ConfigurationStrings.OpenTimeout] = value;
                this.SetIsModified();
            }
        } 

        [ConfigurationProperty(ConfigurationStrings.ReceiveTimeout, DefaultValue=ServiceDefaults.ReceiveTimeoutString)] 
        [TypeConverter(typeof(TimeSpanOrInfiniteConverter))] 
        [ServiceModelTimeSpanValidator(MinValueString = ConfigurationStrings.TimeSpanZero)]
        public TimeSpan ReceiveTimeout 
        {
            get { return (TimeSpan)base[ConfigurationStrings.ReceiveTimeout]; }
            set
            { 
                base[ConfigurationStrings.ReceiveTimeout] = value;
                this.SetIsModified(); 
            } 
        }
 
        [ConfigurationProperty(ConfigurationStrings.SendTimeout, DefaultValue=ServiceDefaults.SendTimeoutString)]
        [TypeConverter(typeof(TimeSpanOrInfiniteConverter))]
        [ServiceModelTimeSpanValidator(MinValueString = ConfigurationStrings.TimeSpanZero)]
        public TimeSpan SendTimeout 
        {
            get { return (TimeSpan)base[ConfigurationStrings.SendTimeout]; } 
            set 
            {
                base[ConfigurationStrings.SendTimeout] = value; 
                this.SetIsModified();
            }
        }
 
        public override void Add(BindingElementExtensionElement element)
        { 
            if (null == element) 
            {
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("element"); 
            }

            BindingElementExtensionElement existingElement = null;
            if (!this.CanAddEncodingElement(element, ref existingElement)) 
            {
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ConfigurationErrorsException(SR.GetString(SR.ConfigMessageEncodingAlreadyInBinding, 
                    existingElement.ConfigurationElementName, 
                    existingElement.GetType().AssemblyQualifiedName)));
            } 
            else if (!this.CanAddStreamUpgradeElement(element, ref existingElement))
            {
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ConfigurationErrorsException(SR.GetString(SR.ConfigStreamUpgradeElementAlreadyInBinding,
                    existingElement.ConfigurationElementName, 
                    existingElement.GetType().AssemblyQualifiedName)));
            } 
            else if (!this.CanAddTransportElement(element, ref existingElement)) 
            {
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ConfigurationErrorsException(SR.GetString(SR.ConfigTransportAlreadyInBinding, 
                    existingElement.ConfigurationElementName,
                    existingElement.GetType().AssemblyQualifiedName)));
            }
            else 
            {
                base.Add(element); 
            } 
        }
 
        public void ApplyConfiguration(Binding binding)
        {
            if (null == binding)
            { 
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("binding");
            } 
            if (binding.GetType() != typeof(CustomBinding)) 
            {
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgument(SR.GetString(SR.ConfigInvalidTypeForBinding, 
                    typeof(CustomBinding).AssemblyQualifiedName,
                    binding.GetType().AssemblyQualifiedName));
            }
 
            binding.CloseTimeout = this.CloseTimeout;
            binding.OpenTimeout = this.OpenTimeout; 
            binding.ReceiveTimeout = this.ReceiveTimeout; 
            binding.SendTimeout = this.SendTimeout;
 
            this.OnApplyConfiguration(binding);
        }

        public override bool CanAdd(BindingElementExtensionElement element) 
        {
            if (null == element) 
            { 
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("element");
            } 

            BindingElementExtensionElement existingElement = null;
            return !this.ContainsKey(element.GetType()) && this.CanAddEncodingElement(element, ref existingElement) &&
                this.CanAddStreamUpgradeElement(element, ref existingElement) && this.CanAddTransportElement(element, ref existingElement); 
        }
 
        bool CanAddEncodingElement(BindingElementExtensionElement element, ref BindingElementExtensionElement existingElement) 
        {
            return this.CanAddExclusiveElement(typeof(MessageEncodingBindingElement), element.BindingElementType, ref existingElement); 
        }

        bool CanAddExclusiveElement(Type exclusiveType, Type bindingElementType, ref BindingElementExtensionElement existingElement)
        { 
            bool retval = true;
            if (exclusiveType.IsAssignableFrom(bindingElementType)) 
            { 
                foreach (BindingElementExtensionElement existing in this)
                { 
                    if (exclusiveType.IsAssignableFrom(existing.BindingElementType))
                    {
                        retval = false;
                        existingElement = existing; 
                        break;
                    } 
                } 
            }
            return retval; 
        }

        bool CanAddStreamUpgradeElement(BindingElementExtensionElement element, ref BindingElementExtensionElement existingElement)
        { 
            return this.CanAddExclusiveElement(typeof(StreamUpgradeBindingElement), element.BindingElementType, ref existingElement);
        } 
 
        bool CanAddTransportElement(BindingElementExtensionElement element, ref BindingElementExtensionElement existingElement)
        { 
            return this.CanAddExclusiveElement(typeof(TransportBindingElement), element.BindingElementType, ref existingElement);
        }

        protected void OnApplyConfiguration(Binding binding) 
        {
            CustomBinding theBinding = (CustomBinding) binding; 
            foreach (BindingElementExtensionElement bindingConfig in this) 
            {
                theBinding.Elements.Add(bindingConfig.CreateBindingElement()); 
            }
        }
    }
} 


// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.
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CustomBindingElement.cs source code in C# .NET

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