MetadataSection.cs source code in C# .NET

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

namespace System.ServiceModel.Description 
{
    using System; 
    using System.Collections.Generic; 
    using System.Collections.ObjectModel;
    using System.Text; 
    using System.Xml;
    using WsdlNS = System.Web.Services.Description;
    using XsdNS = System.Xml.Schema;
    using System.Reflection; 
    using System.Xml.Serialization;
 
    [XmlRoot(ElementName = MetadataStrings.MetadataExchangeStrings.MetadataSection, Namespace = MetadataStrings.MetadataExchangeStrings.Namespace)] 
    public class MetadataSection
    { 
        Collection attributes = new Collection();
        string dialect;
        string identifier;
        object metadata; 
        string sourceUrl;
        static XmlDocument xmlDocument = new XmlDocument(); 
 
        public MetadataSection()
            : this(null, null, null) 
        {
        }

        public MetadataSection(string dialect, string identifier, object metadata) 
        {
            this.dialect = dialect; 
            this.identifier = identifier; 
            this.metadata = metadata;
        } 

        static public string ServiceDescriptionDialect { get { return System.Web.Services.Description.ServiceDescription.Namespace; } }
        static public string XmlSchemaDialect { get { return System.Xml.Schema.XmlSchema.Namespace; } }
        static public string PolicyDialect { get { return MetadataStrings.WSPolicy.NamespaceUri; } } 
        static public string MetadataExchangeDialect { get { return MetadataStrings.MetadataExchangeStrings.Namespace; } }
 
        [XmlAnyAttribute] 
        public Collection Attributes
        { 
            get { return attributes; }
        }

        [XmlAttribute] 
        public string Dialect
        { 
            get { return this.dialect; } 
            set { this.dialect = value; }
        } 

        [XmlAttribute]
        public string Identifier
        { 
            get { return this.identifier; }
            set { this.identifier = value; } 
        } 

        [XmlAnyElement] 
        [XmlElement(MetadataStrings.XmlSchema.Schema, typeof(XsdNS.XmlSchema), Namespace = XsdNS.XmlSchema.Namespace)]
        //typeof(WsdlNS.ServiceDescription) produces an XmlSerializer which can't export / import the Extensions in the ServiceDescription.
        //We use change this to typeof(string) and then fix the generated serializer to use the Read/Write
        //methods provided by WsdlNS.ServiceDesciption which use a pregenerated serializer which can export / import the Extensions. 
        [XmlElement(MetadataStrings.ServiceDescription.Definitions, typeof(WsdlNS.ServiceDescription), Namespace = WsdlNS.ServiceDescription.Namespace)]
        [XmlElement(MetadataStrings.MetadataExchangeStrings.MetadataReference, typeof(MetadataReference), Namespace = MetadataStrings.MetadataExchangeStrings.Namespace)] 
        [XmlElement(MetadataStrings.MetadataExchangeStrings.Location, typeof(MetadataLocation), Namespace = MetadataStrings.MetadataExchangeStrings.Namespace)] 
        [XmlElement(MetadataStrings.MetadataExchangeStrings.Metadata, typeof(MetadataSet), Namespace = MetadataStrings.MetadataExchangeStrings.Namespace)]
        public object Metadata 
        {
            get { return this.metadata; }
            set { this.metadata = value; }
        } 

        internal string SourceUrl 
        { 
            get { return sourceUrl; }
            set { sourceUrl = value; } 
        }

        public static MetadataSection CreateFromPolicy(XmlElement policy, string identifier)
        { 
            if (policy == null)
            { 
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("policy"); 
            }
 
            if (!IsPolicyElement(policy))
            {
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgument("policy",
#pragma warning suppress 56506 // [....], policy cannot be null at this point since it has been validated above. 
                    SR.GetString(SR.SFxBadMetadataMustBePolicy, MetadataStrings.WSPolicy.NamespaceUri, MetadataStrings.WSPolicy.Elements.Policy, policy.NamespaceURI, policy.LocalName));
            } 
 
            MetadataSection section = new MetadataSection();
 
            section.Dialect = policy.NamespaceURI;
            section.Identifier = identifier;
            section.Metadata = policy;
 
            return section;
        } 
        public static MetadataSection CreateFromSchema(XsdNS.XmlSchema schema) 
        {
            if (schema == null) 
            {
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("schema");
            }
 
            MetadataSection section = new MetadataSection();
 
            section.Dialect = MetadataSection.XmlSchemaDialect; 
            section.Identifier =  schema.TargetNamespace;
            section.Metadata = schema; 

            return section;
        }
        public static MetadataSection CreateFromServiceDescription(WsdlNS.ServiceDescription serviceDescription) 
        {
            if (serviceDescription == null) 
            { 
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("serviceDescription");
            } 

            MetadataSection section = new MetadataSection();

            section.Dialect = MetadataSection.ServiceDescriptionDialect; 
            section.Identifier = serviceDescription.TargetNamespace;
            section.Metadata = serviceDescription; 
 
            return section;
        } 

        internal static bool IsPolicyElement(XmlElement policy)
        {
            return (policy.NamespaceURI == MetadataStrings.WSPolicy.NamespaceUri 
                || policy.NamespaceURI == MetadataStrings.WSPolicy.NamespaceUri15)
                && policy.LocalName == MetadataStrings.WSPolicy.Elements.Policy; 
        } 

    } 
}

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

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