ProtocolReflector.cs source code in C# .NET

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Code:

                         / 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / Services / Web / System / Web / Services / Description / ProtocolReflector.cs / 1305376 / ProtocolReflector.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;
    using System.Xml.Serialization;
    using System.Xml.Schema;
    using System.Collections; 
    using System;
    using System.Reflection; 
    using System.Security.Permissions; 

    ///  
    /// 
    ///    [To be supplied.]
    /// 
    [PermissionSet(SecurityAction.InheritanceDemand, Name="FullTrust")] 
    [PermissionSet(SecurityAction.LinkDemand, Name="FullTrust")]
    public abstract class ProtocolReflector { 
        ServiceDescriptionReflector reflector; 
        LogicalMethodInfo method;
        Operation operation; 
        OperationBinding operationBinding;
        Port port;
        PortType portType;
        Binding binding; 
        WebMethodAttribute methodAttr;
        Message inputMessage; 
        Message outputMessage; 
        MessageCollection headerMessages;
        ServiceDescription bindingServiceDescription; 
        CodeIdentifiers portNames;
        bool emptyBinding;

        internal void Initialize(ServiceDescriptionReflector reflector) { 
            this.reflector = reflector;
        } 
 
        internal bool IsEmptyBinding { get { return emptyBinding; } }
 
            /// 
            /// 
            ///    [To be supplied.]
            ///  
            public Service Service {
            get { return reflector.Service; } 
        } 

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

        ///  
        ///  
        ///    [To be supplied.]
        ///  
        public XmlSchemaExporter SchemaExporter {
            get { return reflector.SchemaExporter; }
        }
 
        /// 
        ///  
        ///    [To be supplied.] 
        /// 
        public XmlReflectionImporter ReflectionImporter { 
            get { return reflector.ReflectionImporter; }
        }

        ///  
        /// 
        ///    [To be supplied.] 
        ///  
        public string DefaultNamespace {
            get { return reflector.ServiceAttribute.Namespace; } 
        }

        /// 
        ///  
        ///    [To be supplied.]
        ///  
        public string ServiceUrl { 
            get { return reflector.ServiceUrl; }
        } 

        /// 
        /// 
        ///    [To be supplied.] 
        /// 
        public Type ServiceType { 
            get { return reflector.ServiceType; } 
        }
 
        /// 
        /// 
        ///    [To be supplied.]
        ///  
        public LogicalMethodInfo Method {
            get { return method; } 
        } 

        ///  
        /// 
        ///    [To be supplied.]
        /// 
        public Binding Binding { 
            get { return binding; }
        } 
 
        /// 
        ///  
        ///    [To be supplied.]
        /// 
        public PortType PortType {
            get { return portType; } 
        }
 
        ///  
        /// 
        ///    [To be supplied.] 
        /// 
        public Port Port {
            get { return port; }
        } 

        ///  
        ///  
        ///    [To be supplied.]
        ///  
        public Operation Operation {
            get { return operation; }
        }
 
        /// 
        ///  
        ///    [To be supplied.] 
        /// 
        public OperationBinding OperationBinding { 
            get { return operationBinding; }
        }

        ///  
        /// 
        ///    [To be supplied.] 
        ///  
        public WebMethodAttribute MethodAttribute {
            get { return methodAttr; } 
        }

        /// 
        ///  
        ///    [To be supplied.]
        ///  
        public LogicalMethodInfo[] Methods { 
            get { return reflector.Methods; }
        } 

        internal Hashtable ReflectionContext {
            get { return reflector.ReflectionContext; }
        } 

        ///  
        ///  
        ///    [To be supplied.]
        ///  
        public Message InputMessage {
            get {
                if (inputMessage == null) {
                    string messageName = XmlConvert.EncodeLocalName(methodAttr.MessageName.Length == 0 ? Method.Name : methodAttr.MessageName); 
                    bool diffNames = messageName != Method.Name;
 
                    inputMessage = new Message(); 
                    inputMessage.Name = messageName + ProtocolName + "In";
 
                    OperationInput input = new OperationInput();
                    if (diffNames) input.Name = messageName;
                    input.Message = new XmlQualifiedName(inputMessage.Name, bindingServiceDescription.TargetNamespace);
                    operation.Messages.Add(input); 

                    OperationBinding.Input = new InputBinding(); 
                    if (diffNames) OperationBinding.Input.Name = messageName; 
                }
                return inputMessage; 
            }
        }

        ///  
        /// 
        ///    [To be supplied.] 
        ///  
        public Message OutputMessage {
            get { 
                if (outputMessage == null) {
                    string messageName = XmlConvert.EncodeLocalName(methodAttr.MessageName.Length == 0 ? Method.Name : methodAttr.MessageName);
                    bool diffNames = messageName != Method.Name;
 
                    outputMessage = new Message();
                    outputMessage.Name = messageName + ProtocolName + "Out"; 
 
                    OperationOutput output = new OperationOutput();
                    if (diffNames) output.Name = messageName; 
                    output.Message = new XmlQualifiedName(outputMessage.Name, bindingServiceDescription.TargetNamespace);
                    operation.Messages.Add(output);

                    OperationBinding.Output = new OutputBinding(); 
                    if (diffNames) OperationBinding.Output.Name = messageName;
                } 
                return outputMessage; 
            }
        } 

        /// 
        /// 
        ///    [To be supplied.] 
        /// 
        public MessageCollection HeaderMessages { 
            get { 
                if (headerMessages == null) {
                    headerMessages = new MessageCollection(bindingServiceDescription); 
                }
                return headerMessages;
            }
        } 

        void MoveToMethod(LogicalMethodInfo method) { 
            this.method = method; 
            this.methodAttr = method.MethodAttribute;
        } 

        class ReflectedBinding {
            internal ReflectedBinding() {}
            internal ReflectedBinding(WebServiceBindingAttribute bindingAttr) { 
                this.bindingAttr = bindingAttr;
            } 
            public WebServiceBindingAttribute bindingAttr; 
            public ArrayList methodList;
        } 


        internal void Reflect() {
            emptyBinding = false; 
            Hashtable bindings = new Hashtable();
            Hashtable reflectedBindings = new Hashtable(); 
            for (int i = 0; i < reflector.Methods.Length; i++) { 
                MoveToMethod(reflector.Methods[i]);
                string bindingName = ReflectMethodBinding(); 
                if (bindingName == null) bindingName = string.Empty;
                ReflectedBinding reflectedBinding = (ReflectedBinding)reflectedBindings[bindingName];
                if (reflectedBinding == null) {
                    reflectedBinding = new ReflectedBinding(); 
                    reflectedBinding.bindingAttr = WebServiceBindingReflector.GetAttribute(method, bindingName);
                    if (reflectedBinding.bindingAttr == null || (bindingName.Length == 0 && reflectedBinding.bindingAttr.Location.Length > 0)) { 
                        reflectedBinding.bindingAttr = new WebServiceBindingAttribute(); 
                    }
                    reflectedBindings.Add(bindingName, reflectedBinding); 
                }
                if (reflectedBinding.bindingAttr.Location.Length == 0) {
                    if (reflectedBinding.methodList == null)
                        reflectedBinding.methodList = new ArrayList(); 
                    reflectedBinding.methodList.Add(method);
                    bindings[reflectedBinding.bindingAttr.Name] = method; 
                } 
                else {
                    AddImport(reflectedBinding.bindingAttr.Namespace, reflectedBinding.bindingAttr.Location); 
                }
            }
            foreach (ReflectedBinding reflectedBinding in reflectedBindings.Values) {
                ReflectBinding(reflectedBinding); 
            }
 
            // Only check for empty binding if we do not have real bindings 
            if (reflectedBindings.Count == 0) {
                // It should be possible to get the value for WebReference.ServiceLocationUrl even if the web service has no web methods. 
                // This is a common scenario for Whitehorse during the early stages of development when a user is defining the web
                // components and their inter-connections, but not the details of whatmethods will be present on each web service.
                // get all WebServiceBindings
                emptyBinding = true; 
                ReflectedBinding binding = null;
                object[] attrs = ServiceType.GetCustomAttributes(typeof(WebServiceBindingAttribute), false); 
                for (int i = 0; i < attrs.Length; i++) { 
                    WebServiceBindingAttribute bindingAttribute = (WebServiceBindingAttribute)attrs[i];
                    if (bindings[bindingAttribute.Name] != null) 
                        continue;
                    if (binding != null) {
                        binding = null;
                        break; 
                    }
                    binding = new ReflectedBinding(bindingAttribute); 
                } 
                if (binding != null) ReflectBinding(binding);
            } 

            Type[] interfaces = ServiceType.GetInterfaces();
            // iterate through all the interfaces for this type
            foreach (Type bindingInterface in interfaces) { 
                object[] attrs = bindingInterface.GetCustomAttributes(typeof(WebServiceBindingAttribute), false);
                for (int i = 0; i < attrs.Length; i++) { 
                    WebServiceBindingAttribute bindingAttribute = (WebServiceBindingAttribute)attrs[i]; 
                    if (bindings[bindingAttribute.Name] != null)
                        continue; 
                    ReflectBinding(new ReflectedBinding(bindingAttribute));
                }
            }
            ReflectDescription(); 
        }
 
        void AddImport(string ns, string location) { 
            foreach (Import import in ServiceDescription.Imports) {
                if (import.Namespace == ns && import.Location == location) { 
                    return;
                }
            }
            Import newImport = new Import(); 
            newImport.Namespace = ns;
            newImport.Location = location; 
            ServiceDescription.Imports.Add(newImport); 
        }
 
        /// 
        /// 
        ///    [To be supplied.]
        ///  
        public ServiceDescription GetServiceDescription(string ns) {
            ServiceDescription description = ServiceDescriptions[ns]; 
            if (description == null) { 
                description = new ServiceDescription();
                description.TargetNamespace = ns; 
                ServiceDescriptions.Add(description);
            }
            return description;
        } 

        void ReflectBinding(ReflectedBinding reflectedBinding) { 
            string bindingName = XmlConvert.EncodeLocalName(reflectedBinding.bindingAttr.Name); 
            string bindingNamespace = reflectedBinding.bindingAttr.Namespace;
            if (bindingName.Length == 0) bindingName = Service.Name + ProtocolName; 
            if (bindingNamespace.Length == 0) bindingNamespace = ServiceDescription.TargetNamespace;
            WsiProfiles claims = WsiProfiles.None;

            if (reflectedBinding.bindingAttr.Location.Length > 0) { 
                // If a URL is specified for the WSDL, file, then we just import the
                // binding from there instead of generating it in this WSDL file. 
                portType = null; 
                binding = null;
            } 
            else {
                bindingServiceDescription = GetServiceDescription(bindingNamespace);
                CodeIdentifiers bindingNames = new CodeIdentifiers();
                foreach (Binding b in bindingServiceDescription.Bindings) 
                    bindingNames.AddReserved(b.Name);
 
                bindingName = bindingNames.AddUnique(bindingName, binding); 

                portType = new PortType(); 
                binding = new Binding();
                portType.Name = bindingName;
                binding.Name = bindingName;
                binding.Type = new XmlQualifiedName(portType.Name, bindingNamespace); 
                claims = reflectedBinding.bindingAttr.ConformsTo & this.ConformsTo;
                if (reflectedBinding.bindingAttr.EmitConformanceClaims && claims != WsiProfiles.None) { 
                    ServiceDescription.AddConformanceClaims(binding.GetDocumentationElement(), claims); 
                }
                bindingServiceDescription.Bindings.Add(binding); 
                bindingServiceDescription.PortTypes.Add(portType);
            }

            if (portNames == null) { 
                portNames = new CodeIdentifiers();
                foreach (Port p in Service.Ports) 
                    portNames.AddReserved(p.Name); 
            }
 
            port = new Port();
            port.Binding = new XmlQualifiedName(bindingName, bindingNamespace);
            port.Name = portNames.AddUnique(bindingName, port);
            Service.Ports.Add(port); 

            BeginClass(); 
 
            if (reflectedBinding.methodList != null && reflectedBinding.methodList.Count > 0) {
                foreach (LogicalMethodInfo method in reflectedBinding.methodList) { 

                    MoveToMethod(method);

                    operation = new Operation(); 
                    operation.Name = XmlConvert.EncodeLocalName(method.Name);
                    if (methodAttr.Description != null && methodAttr.Description.Length > 0) 
                        operation.Documentation = methodAttr.Description; 

                    operationBinding = new OperationBinding(); 
                    operationBinding.Name = operation.Name;

                    inputMessage = null;
                    outputMessage = null; 
                    headerMessages = null;
 
                    if (ReflectMethod()) { 
                        if (inputMessage != null) bindingServiceDescription.Messages.Add(inputMessage);
                        if (outputMessage != null) bindingServiceDescription.Messages.Add(outputMessage); 
                        if (headerMessages != null) {
                            foreach (Message headerMessage in headerMessages) {
                                bindingServiceDescription.Messages.Add(headerMessage);
                            } 
                        }
                        binding.Operations.Add(operationBinding); 
                        portType.Operations.Add(operation); 
                    }
                } 
            }
            if (binding != null && claims == WsiProfiles.BasicProfile1_1 && ProtocolName == "Soap") {
                BasicProfileViolationCollection warnings = new BasicProfileViolationCollection();
                WebServicesInteroperability.AnalyzeBinding(binding, bindingServiceDescription, ServiceDescriptions, warnings); 
                if (warnings.Count > 0) {
                    throw new InvalidOperationException(Res.GetString(Res.WebWsiViolation, ServiceType.FullName, warnings.ToString())); 
                } 
            }
            EndClass(); 
        }

        internal virtual WsiProfiles ConformsTo { get { return WsiProfiles.None; } }
 
        /// 
        ///  
        ///    [To be supplied.] 
        /// 
        public abstract string ProtocolName { get; } 

        // These overridable methods have no parameters.  The subclass uses properties on this
        // base object to obtain the information.  This allows us to grow the set of
        // information passed to the methods over time w/o breaking anyone.   They are protected 
        // instead of public because this object is passed to extensions and we don't want
        // those calling these methods. 
        ///  
        /// 
        ///    [To be supplied.] 
        /// 
        protected virtual void BeginClass() { }
        /// 
        ///  
        ///    [To be supplied.]
        ///  
        protected abstract bool ReflectMethod(); 
        /// 
        ///  
        ///    [To be supplied.]
        /// 
        protected virtual string ReflectMethodBinding() { return string.Empty; }
        ///  
        /// 
        ///    [To be supplied.] 
        ///  
        protected virtual void EndClass() { }
 
        /// 
        /// 
        ///    [To be supplied.]
        ///  
        protected virtual void ReflectDescription() {
        } 
    } 
}

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.

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