XmlElementElement.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 / XmlElementElement.cs / 1 / XmlElementElement.cs
                        

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

namespace System.ServiceModel.Configuration 
{
    using System; 
    using System.Collections.ObjectModel; 
    using System.Collections.Generic;
    using System.Configuration; 
    using System.Xml;
    using System.Security;

    public sealed partial class XmlElementElement : ConfigurationElement 
    {
        public XmlElementElement() 
        { 
        }
 
        public XmlElementElement(XmlElement element) : this()
        {
            this.XmlElement = element;
        } 

        public void Copy(XmlElementElement source) 
        { 
            if (this.IsReadOnly())
            { 
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ConfigurationErrorsException(SR.GetString(SR.ConfigReadOnly)));
            }
            if (null == source)
            { 
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("source");
            } 
 
            if (null != source.XmlElement)
            { 
                this.XmlElement = (XmlElement)source.XmlElement.Clone();
            }
        }
 
        /// 
        /// Critical - uses the critical helper SetIsPresent 
        /// Safe - controls how/when SetIsPresent is used, not arbitrarily callable from PT (method is protected and class is sealed) 
        /// 
        [SecurityCritical, SecurityTreatAsSafe] 
        protected override void DeserializeElement(XmlReader reader, bool serializeCollectionKey)
        {
            SetIsPresent();
            DeserializeElementCore(reader); 
        }
 
        private void DeserializeElementCore(XmlReader reader) 
        {
            XmlDocument doc = new XmlDocument(); 
            this.XmlElement = (XmlElement)doc.ReadNode(reader);
        }

        internal void ResetInternal(XmlElementElement element) 
        {
            this.Reset(element); 
        } 

        ///  
        /// Critical - calls ConfigurationHelpers.SetIsPresent which elevates in order to set a property
        /// Safe - only passes 'this', does not let caller influence parameter
        /// 
        [SecurityCritical] 
        void SetIsPresent()
        { 
            ConfigurationHelpers.SetIsPresent(this); 
        }
 
        protected override bool SerializeToXmlElement(XmlWriter writer, String elementName)
        {
            bool dataToWrite = this.XmlElement != null;
            if (dataToWrite && writer != null) 
            {
                if (!String.Equals(elementName, ConfigurationStrings.XmlElement, StringComparison.Ordinal)) 
                { 
                    writer.WriteStartElement(elementName);
                } 

                using (XmlNodeReader reader = new XmlNodeReader(this.XmlElement))
                {
                    writer.WriteNode(reader, false); 
                }
 
                if (!String.Equals(elementName, ConfigurationStrings.XmlElement, StringComparison.Ordinal)) 
                {
                    writer.WriteEndElement(); 
                }
            }
            return dataToWrite;
        } 

        protected override void PostDeserialize() 
        { 
            this.Validate();
            base.PostDeserialize(); 
        }

        void Validate()
        { 
            if (this.XmlElement == null)
            { 
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ConfigurationErrorsException(SR.GetString(SR.ConfigXmlElementMustBeSet), 
                    this.ElementInformation.Source,
                    this.ElementInformation.LineNumber)); 
            }
        }

        [ConfigurationProperty(ConfigurationStrings.XmlElement, DefaultValue = null, Options = ConfigurationPropertyOptions.IsKey)] 
        public XmlElement XmlElement
        { 
            get { return (XmlElement)base[ConfigurationStrings.XmlElement]; } 
            set { base[ConfigurationStrings.XmlElement] = value; }
        } 
    }
}

 


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

Link Menu

Network programming in C#, Network Programming in VB.NET, Network Programming in .NET
This book is available now!
Buy at Amazon US or
Buy at Amazon UK