SyndicationContent.cs source code in C# .NET

                        Code:
                         / WCF / WCF / 3.5.30729.1 / untmp / Orcas / SP / ndp / cdf / src / NetFx35 / System.ServiceModel.Web / System / ServiceModel / Syndication / SyndicationContent.cs / 1 / SyndicationContent.cs
                        
                        
                            //------------------------------------------------------------ 
// Copyright (c) Microsoft Corporation.  All rights reserved.
//-----------------------------------------------------------

namespace System.ServiceModel.Syndication 
{
    using System; 
    using System.Collections.Generic; 
    using System.Text;
    using System.Xml; 
    using System.Xml.Serialization;
    using System.Runtime.Serialization;
    using System.Diagnostics.CodeAnalysis;
 
    public abstract class SyndicationContent
    { 
        Dictionary attributeExtensions; 

        protected SyndicationContent() 
        {
        }

        protected SyndicationContent(SyndicationContent source) 
        {
            CopyAttributeExtensions(source); 
        } 

        public Dictionary AttributeExtensions 
        {
            get
            {
                if (this.attributeExtensions == null) 
                {
                    this.attributeExtensions = new Dictionary(); 
                } 
                return this.attributeExtensions;
            } 
        }

        public abstract string Type
        { 
            get;
        } 
 
        public static TextSyndicationContent CreateHtmlContent(string content)
        { 
            return new TextSyndicationContent(content, TextSyndicationContentKind.Html);
        }

        public static TextSyndicationContent CreatePlaintextContent(string content) 
        {
            return new TextSyndicationContent(content); 
        } 

        public static UrlSyndicationContent CreateUrlContent(Uri url, string mediaType) 
        {
            return new UrlSyndicationContent(url, mediaType);
        }
 
        public static TextSyndicationContent CreateXhtmlContent(string content)
        { 
            return new TextSyndicationContent(content, TextSyndicationContentKind.XHtml); 
        }
 
        public static XmlSyndicationContent CreateXmlContent(object dataContractObject)
        {
            return new XmlSyndicationContent(Atom10Constants.XmlMediaType, dataContractObject, (DataContractSerializer) null);
        } 

        public static XmlSyndicationContent CreateXmlContent(object dataContractObject, XmlObjectSerializer dataContractSerializer) 
        { 
            return new XmlSyndicationContent(Atom10Constants.XmlMediaType, dataContractObject, dataContractSerializer);
        } 

        public static XmlSyndicationContent CreateXmlContent(XmlReader xmlReader)
        {
            return new XmlSyndicationContent(xmlReader); 
        }
 
        public static XmlSyndicationContent CreateXmlContent(object xmlSerializerObject, XmlSerializer serializer) 
        {
            return new XmlSyndicationContent(Atom10Constants.XmlMediaType, xmlSerializerObject, serializer); 
        }

        public abstract SyndicationContent Clone();
 
        public void WriteTo(XmlWriter writer, string outerElementName, string outerElementNamespace)
        { 
            if (writer == null) 
            {
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("writer"); 
            }
            if (string.IsNullOrEmpty(outerElementName))
            {
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgument(SR2.GetString(SR2.OuterElementNameNotSpecified)); 
            }
            writer.WriteStartElement(outerElementName, outerElementNamespace); 
            writer.WriteAttributeString(Atom10Constants.TypeTag, string.Empty, this.Type); 
            if (this.attributeExtensions != null)
            { 
                foreach (XmlQualifiedName key in this.attributeExtensions.Keys)
                {
                    if (key.Name == Atom10Constants.TypeTag && key.Namespace == string.Empty)
                    { 
                        continue;
                    } 
                    string attrValue; 
                    if (this.attributeExtensions.TryGetValue(key, out attrValue))
                    { 
                        writer.WriteAttributeString(key.Name, key.Namespace, attrValue);
                    }
                }
            } 
            WriteContentsTo(writer);
            writer.WriteEndElement(); 
        } 

        internal void CopyAttributeExtensions(SyndicationContent source) 
        {
            if (source == null)
            {
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("source"); 
            }
            if (source.attributeExtensions != null) 
            { 
                foreach (XmlQualifiedName key in source.attributeExtensions.Keys)
                { 
                    this.AttributeExtensions.Add(key, source.attributeExtensions[key]);
                }
            }
        } 

        protected abstract void WriteContentsTo(XmlWriter writer); 
    } 
}

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

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