ServiceDescriptionReflector.cs source code in C# .NET

                        Code:
                         / 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / Services / Web / System / Web / Services / Description / ServiceDescriptionReflector.cs / 1305376 / ServiceDescriptionReflector.cs
                        
                        
                            //------------------------------------------------------------------------------ 
// 
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// 
//----------------------------------------------------------------------------- 

namespace System.Web.Services.Description { 
 
    using System.Web.Services;
    using System.Web.Services.Protocols; 
    using System.Xml.Serialization;
    using System.Xml.Schema;
    using System.Collections;
    using System; 
    using System.Xml;
    using System.Reflection; 
    using System.Security.Permissions; 
    using System.Web.Services.Configuration;
    using System.IO; 

    /// 
    /// 
    ///    [To be supplied.] 
    /// 
    [PermissionSet(SecurityAction.InheritanceDemand, Name="FullTrust")] 
    [PermissionSet(SecurityAction.LinkDemand, Name="FullTrust")] 
    public class ServiceDescriptionReflector {
        ProtocolReflector[] reflectors, reflectorsWithPost; 
        ServiceDescriptionCollection descriptions = new ServiceDescriptionCollection();
        XmlSchemas schemas = new XmlSchemas();
        ServiceDescriptionCollection descriptionsWithPost;
        XmlSchemas schemasWithPost; 
        WebServiceAttribute serviceAttr;
        ServiceDescription description; 
        Service service; 
        LogicalMethodInfo[] methods;
        XmlSchemaExporter exporter; 
        XmlReflectionImporter importer;
        Type serviceType;
        string serviceUrl;
        Hashtable reflectionContext; 

        ///  
        ///  
        ///    [To be supplied.]
        ///  
        public ServiceDescriptionCollection ServiceDescriptions {
            get { return descriptions; }
        }
 
        /// 
        ///  
        ///    [To be supplied.] 
        /// 
        public XmlSchemas Schemas { 
            get { return schemas; }
        }

        internal ServiceDescriptionCollection ServiceDescriptionsWithPost { 
            get { return descriptionsWithPost; }
        } 
 
        internal XmlSchemas SchemasWithPost {
            get { return schemasWithPost; } 
        }

        internal ServiceDescription ServiceDescription {
            get { return description; } 
        }
 
        internal Service Service { 
            get { return service; }
        } 

        internal Type ServiceType {
            get { return serviceType; }
        } 

        internal LogicalMethodInfo[] Methods { 
            get { return methods; } 
        }
 
        internal string ServiceUrl {
            get { return serviceUrl; }
        }
 
        internal XmlSchemaExporter SchemaExporter {
            get { return exporter; } 
        } 

        internal XmlReflectionImporter ReflectionImporter { 
            get { return importer; }
        }

        internal WebServiceAttribute ServiceAttribute { 
            get { return serviceAttr; }
        } 
 
        internal Hashtable ReflectionContext {
            get { 
                if (reflectionContext == null)
                    reflectionContext = new Hashtable();
                return reflectionContext;
            } 
        }
 
        ///  
        /// 
        ///    [To be supplied.] 
        /// 
        public ServiceDescriptionReflector() {
            Type[] reflectorTypes = WebServicesSection.Current.ProtocolReflectorTypes;
            reflectors = new ProtocolReflector[reflectorTypes.Length]; 
            for (int i = 0; i < reflectors.Length; i++) {
                ProtocolReflector reflector = (ProtocolReflector)Activator.CreateInstance(reflectorTypes[i]); 
                reflector.Initialize(this); 
                reflectors[i] = reflector;
            } 
            WebServiceProtocols enabledProtocols = WebServicesSection.Current.EnabledProtocols;
            if ((enabledProtocols & WebServiceProtocols.HttpPost) == 0 && (enabledProtocols & WebServiceProtocols.HttpPostLocalhost) != 0) {
                reflectorsWithPost = new ProtocolReflector[reflectors.Length + 1];
                for (int i = 0; i < reflectorsWithPost.Length - 1; i++) { 
                    ProtocolReflector reflector = (ProtocolReflector) Activator.CreateInstance(reflectorTypes[i]);
                    reflector.Initialize(this); 
                    reflectorsWithPost[i] = reflector; 
                }
                ProtocolReflector reflectorWithPost = new HttpPostProtocolReflector(); 
                reflectorWithPost.Initialize(this);
                reflectorsWithPost[reflectorsWithPost.Length - 1] = reflectorWithPost;
            }
        } 

        private void ReflectInternal(ProtocolReflector[] reflectors) { 
            description = new ServiceDescription(); 
            description.TargetNamespace = serviceAttr.Namespace;
            ServiceDescriptions.Add(description); 

            service = new Service();
            string name = serviceAttr.Name;
            if (name == null || name.Length == 0) 
                name = serviceType.Name;
            service.Name = XmlConvert.EncodeLocalName(name); 
 
            if (serviceAttr.Description != null && serviceAttr.Description.Length > 0)
                service.Documentation = serviceAttr.Description; 
            description.Services.Add(service);

            reflectionContext = new Hashtable();
            exporter = new XmlSchemaExporter(description.Types.Schemas); 
            importer = SoapReflector.CreateXmlImporter(serviceAttr.Namespace, SoapReflector.ServiceDefaultIsEncoded(serviceType));
            WebMethodReflector.IncludeTypes(methods, importer); 
 
            for (int i = 0; i < reflectors.Length; i++) {
                reflectors[i].Reflect(); 
            }
        }

        ///  
        /// 
        ///    [To be supplied.] 
        ///  
        public void Reflect(Type type, string url) {
            serviceType = type; 
            serviceUrl = url;

            serviceAttr = WebServiceReflector.GetAttribute(type);
 
            methods = WebMethodReflector.GetMethods(type);
            CheckForDuplicateMethods(methods); 
 
            descriptionsWithPost = descriptions;
            schemasWithPost = schemas; 

            if (reflectorsWithPost != null) {
                ReflectInternal(reflectorsWithPost);
 
                descriptions = new ServiceDescriptionCollection();
                schemas = new XmlSchemas(); 
            } 

            ReflectInternal(reflectors); 

            if (serviceAttr.Description != null && serviceAttr.Description.Length > 0)
                ServiceDescription.Documentation = serviceAttr.Description;
 
            // need to preprocess all exported schemas to make sure that IXmlSerializable schemas are Merged and the resulting set is valid
            ServiceDescription.Types.Schemas.Compile(null, false); 
 
            if (ServiceDescriptions.Count > 1) {
                // if defining interfaces, we move all schemas to the external collection 
                // since the types therein may be referenced from any of the sdls
                Schemas.Add(ServiceDescription.Types.Schemas);
                ServiceDescription.Types.Schemas.Clear();
            } 
            else if (ServiceDescription.Types.Schemas.Count > 0) {
                XmlSchema[] descriptionSchemas = new XmlSchema[ServiceDescription.Types.Schemas.Count]; 
                ServiceDescription.Types.Schemas.CopyTo(descriptionSchemas, 0); 
                foreach (XmlSchema schema in descriptionSchemas) {
                    // we always move dataset schemas to the external schema's collection. 
                    if (XmlSchemas.IsDataSet(schema)) {
                        ServiceDescription.Types.Schemas.Remove(schema);
                        Schemas.Add(schema);
                    } 
                }
            } 
        } 

        void CheckForDuplicateMethods(LogicalMethodInfo[] methods) { 
            Hashtable messageNames = new Hashtable();
            foreach (LogicalMethodInfo method in methods) {
                WebMethodAttribute attribute = method.MethodAttribute;
                string messageName = attribute.MessageName; 
                if (messageName.Length == 0) messageName = method.Name;
                string key = method.Binding == null ? messageName : method.Binding.Name + "." + messageName; 
                LogicalMethodInfo existingMethod = (LogicalMethodInfo)messageNames[key]; 
                if (existingMethod != null) {
                    throw new InvalidOperationException(Res.GetString(Res.BothAndUseTheMessageNameUseTheMessageName3, method, existingMethod, XmlConvert.EncodeLocalName(messageName))); 
                }
                messageNames.Add(key, method);
            }
        } 
    }
} 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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ServiceDescriptionReflector.cs source code in C# .NET

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