UriTemplateClientFormatter.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / cdf / src / NetFx35 / System.ServiceModel.Web / System / ServiceModel / Dispatcher / UriTemplateClientFormatter.cs / 1305376 / UriTemplateClientFormatter.cs
                        

                        
                            //------------------------------------------------------------ 
// Copyright (c) Microsoft Corporation.  All rights reserved.
//-----------------------------------------------------------
#pragma warning disable 1634, 1691
namespace System.ServiceModel.Dispatcher 
{
    using System; 
    using System.Collections; 
    using System.Collections.Generic;
    using System.Collections.Specialized; 
    using System.Globalization;
    using System.Reflection;
    using System.ServiceModel;
    using System.ServiceModel.Channels; 
    using System.ServiceModel.Description;
    using System.Text; 
    using System.Xml; 
    using System.ServiceModel.Web;
 
    class UriTemplateClientFormatter : IClientMessageFormatter
    {
        internal Dictionary pathMapping;
        internal Dictionary> queryMapping; 
        Uri baseUri;
        IClientMessageFormatter inner; 
        bool innerIsUntypedMessage; 
        bool isGet;
        string method; 
        QueryStringConverter qsc;
        int totalNumUTVars;
        UriTemplate uriTemplate;
 
        public UriTemplateClientFormatter(OperationDescription operationDescription, IClientMessageFormatter inner, QueryStringConverter qsc, Uri baseUri, bool innerIsUntypedMessage, string contractName)
        { 
            this.inner = inner; 
            this.qsc = qsc;
            this.baseUri = baseUri; 
            this.innerIsUntypedMessage = innerIsUntypedMessage;
            Populate(out this.pathMapping,
                out this.queryMapping,
                out this.totalNumUTVars, 
                out this.uriTemplate,
                operationDescription, 
                qsc, 
                contractName);
            this.method = WebHttpBehavior.GetWebMethod(operationDescription); 
            isGet = this.method == WebHttpBehavior.GET;
        }

        public object DeserializeReply(Message message, object[] parameters) 
        {
            throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new NotSupportedException(SR2.GetString(SR2.QueryStringFormatterOperationNotSupportedClientSide))); 
        } 

        public Message SerializeRequest(MessageVersion messageVersion, object[] parameters) 
        {
            object[] innerParameters = new object[parameters.Length - this.totalNumUTVars];
            NameValueCollection nvc = new NameValueCollection();
            int j = 0; 
            for (int i = 0; i < parameters.Length; ++i)
            { 
                if (this.pathMapping.ContainsKey(i)) 
                {
                    nvc[this.pathMapping[i]] = parameters[i] as string; 
                }
                else if (this.queryMapping.ContainsKey(i))
                {
                    if (parameters[i] != null) 
                    {
                        nvc[this.queryMapping[i].Key] = this.qsc.ConvertValueToString(parameters[i], this.queryMapping[i].Value); 
                    } 
                }
                else 
                {
                    innerParameters[j] = parameters[i];
                    ++j;
                } 
            }
            Message m = inner.SerializeRequest(messageVersion, innerParameters); 
            bool userSetTheToOnMessage = (this.innerIsUntypedMessage && m.Headers.To != null); 
            bool userSetTheToOnOutgoingHeaders = (OperationContext.Current != null && OperationContext.Current.OutgoingMessageHeaders.To != null);
            if (!userSetTheToOnMessage && !userSetTheToOnOutgoingHeaders) 
            {
                m.Headers.To = this.uriTemplate.BindByName(this.baseUri, nvc);
            }
            if (WebOperationContext.Current != null) 
            {
                if (isGet) 
                { 
                    WebOperationContext.Current.OutgoingRequest.SuppressEntityBody = true;
                } 
                if (this.method != WebHttpBehavior.WildcardMethod && WebOperationContext.Current.OutgoingRequest.Method != null)
                {
                    WebOperationContext.Current.OutgoingRequest.Method = this.method;
                } 
            }
            else 
            { 
                HttpRequestMessageProperty hrmp;
                if (m.Properties.ContainsKey(HttpRequestMessageProperty.Name)) 
                {
                    hrmp = m.Properties[HttpRequestMessageProperty.Name] as HttpRequestMessageProperty;
                }
                else 
                {
                    hrmp = new HttpRequestMessageProperty(); 
                    m.Properties.Add(HttpRequestMessageProperty.Name, hrmp); 
                }
                if (isGet) 
                {
                    hrmp.SuppressEntityBody = true;
                }
                if (this.method != WebHttpBehavior.WildcardMethod) 
                {
                    hrmp.Method = this.method; 
                } 
            }
            return m; 
        }

        internal static string GetUTStringOrDefault(OperationDescription operationDescription)
        { 
            string utString = WebHttpBehavior.GetWebUriTemplate(operationDescription);
            if (utString == null && WebHttpBehavior.GetWebMethod(operationDescription) == WebHttpBehavior.GET) 
            { 
                utString = MakeDefaultGetUTString(operationDescription);
            } 
            if (utString == null)
            {
                utString = operationDescription.Name; // note: not + "/*", see 8988 and 9653
            } 
            return utString;
        } 
 
        internal static void Populate(out Dictionary pathMapping,
            out Dictionary> queryMapping, 
            out int totalNumUTVars,
            out UriTemplate uriTemplate,
            OperationDescription operationDescription,
            QueryStringConverter qsc, 
            string contractName)
        { 
            pathMapping = new Dictionary(); 
            queryMapping = new Dictionary>();
            string utString = GetUTStringOrDefault(operationDescription); 
            uriTemplate = new UriTemplate(utString);
            List neededPathVars = new List(uriTemplate.PathSegmentVariableNames);
            List neededQueryVars = new List(uriTemplate.QueryValueVariableNames);
            Dictionary alreadyGotVars = new Dictionary(StringComparer.OrdinalIgnoreCase); 
            totalNumUTVars = neededPathVars.Count + neededQueryVars.Count;
            for (int i = 0; i < operationDescription.Messages[0].Body.Parts.Count; ++i) 
            { 
                MessagePartDescription mpd = operationDescription.Messages[0].Body.Parts[i];
                string parameterName = mpd.XmlName.DecodedName; 
                if (alreadyGotVars.ContainsKey(parameterName))
                {
                    throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(
                        SR2.GetString(SR2.UriTemplateVarCaseDistinction, operationDescription.XmlName.DecodedName, contractName, parameterName))); 
                }
                List neededPathCopy = new List(neededPathVars); 
                foreach (string pathVar in neededPathCopy) 
                {
                    if (string.Compare(parameterName, pathVar, StringComparison.OrdinalIgnoreCase) == 0) 
                    {
                        if (mpd.Type != typeof(string))
                        {
                            throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException( 
                                SR2.GetString(SR2.UriTemplatePathVarMustBeString, operationDescription.XmlName.DecodedName, contractName, parameterName)));
                        } 
                        pathMapping.Add(i, parameterName); 
                        alreadyGotVars.Add(parameterName, 0);
                        neededPathVars.Remove(pathVar); 
                    }
                }
                List neededQueryCopy = new List(neededQueryVars);
                foreach (string queryVar in neededQueryCopy) 
                {
                    if (string.Compare(parameterName, queryVar, StringComparison.OrdinalIgnoreCase) == 0) 
                    { 
                        if (!qsc.CanConvert(mpd.Type))
                        { 
                            throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(
                                SR2.GetString(SR2.UriTemplateQueryVarMustBeConvertible, operationDescription.XmlName.DecodedName, contractName, parameterName, mpd.Type, qsc.GetType().Name)));
                        }
                        queryMapping.Add(i, new KeyValuePair(parameterName, mpd.Type)); 
                        alreadyGotVars.Add(parameterName, 0);
                        neededQueryVars.Remove(queryVar); 
                    } 
                }
            } 
            if (neededPathVars.Count != 0)
            {
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(SR2.GetString(
                    SR2.UriTemplateMissingVar, operationDescription.XmlName.DecodedName, contractName, neededPathVars[0]))); 
            }
            if (neededQueryVars.Count != 0) 
            { 
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(SR2.GetString
                    (SR2.UriTemplateMissingVar, operationDescription.XmlName.DecodedName, contractName, neededQueryVars[0]))); 
            }
        }

        static string MakeDefaultGetUTString(OperationDescription od) 
        {
            StringBuilder sb = new StringBuilder(od.XmlName.DecodedName); 
            //sb.Append("/*"); // note: not + "/*", see 8988 and 9653 
            if (!WebHttpBehavior.IsUntypedMessage(od.Messages[0]))
            { 
                sb.Append("?");
                foreach (MessagePartDescription mpd in od.Messages[0].Body.Parts)
                {
                    string parameterName = mpd.XmlName.DecodedName; 
                    sb.Append(parameterName);
                    sb.Append("={"); 
                    sb.Append(parameterName); 
                    sb.Append("}&");
                } 
                sb.Remove(sb.Length - 1, 1);
            }
            return sb.ToString();
        } 
    }
} 

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

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