WEBAPI upgrade to the Xmldocumentationprovider after 2.0

usingSystem;usingSystem.Globalization;usingSystem.Linq;usingSystem.Reflection;usingSystem.Web.Http.Controllers;usingSystem.Web.Http.Description;usingSystem.Xml.XPath;usingTiza.CStar.ErpApi.Areas.HelpPage.ModelDescriptions;namespacetiza.cstar.erpapi.areas.helppage{/// <summary>    ///A Custom<see cref= "Idocumentationprovider"/>That reads the API documentation from the XML documentation file. /// </summary>     Public classXmldocumentationprovider:idocumentationprovider, Imodeldocumentationprovider {PrivateXPathNavigator _documentnavigator; Private Const stringTypeexpression ="/doc/members/member[@name = ' t:{0} ']"; Private Const stringMethodexpression ="/doc/members/member[@name = ' m:{0} ']"; Private Const stringPropertyexpression ="/doc/members/member[@name = ' p:{0} ']"; Private Const stringFieldexpression ="/doc/members/member[@name = ' f:{0} ']"; Private Const stringParameterExpression ="param[@name = ' {0} ']"; /// <summary>        ///Initializes a new instance of the<see cref= "Xmldocumentationprovider"/>class. /// </summary>        /// <param name= "Documentpath" >The physical path to XML document.</param>         PublicXmldocumentationprovider (stringdocumentpath) {            if(Documentpath = =NULL)            {                Throw NewArgumentNullException ("documentpath"); } XPathDocument XPath=NewXPathDocument (documentpath); _documentnavigator=XPath.        CreateNavigator (); }         Public stringgetdocumentation (Httpcontrollerdescriptor controllerdescriptor) {XPathNavigator typenode=Gettypenode (Controllerdescriptor.controllertype); returnGettagvalue (Typenode,"Summary"); }         Public Virtual stringgetdocumentation (Httpactiondescriptor actiondescriptor) {XPathNavigator methodnode=Getmethodnode (Actiondescriptor); returnGettagvalue (Methodnode,"Summary"); }         Public Virtual stringgetdocumentation (Httpparameterdescriptor parameterdescriptor) {Reflectedhttpparameterdescriptor re Flectedparameterdescriptor= Parameterdescriptor asReflectedhttpparameterdescriptor; if(Reflectedparameterdescriptor! =NULL) {XPathNavigator methodnode=Getmethodnode (Reflectedparameterdescriptor.actiondescriptor); if(Methodnode! =NULL)                {                    stringParameterName =ReflectedParameterDescriptor.ParameterInfo.Name; XPathNavigator Parameternode=Methodnode.selectsinglenode (String.Format (CultureInfo.InvariantCulture, ParameterExpression, ParameterName))                    ; if(Parameternode! =NULL)                    {                        returnParameterNode.Value.Trim (); }                }            }            return NULL; }         Public stringgetresponsedocumentation (Httpactiondescriptor actiondescriptor) {XPathNavigator methodnode=Getmethodnode (Actiondescriptor); returnGettagvalue (Methodnode,"returns"); }         Public stringGetdocumentation (MemberInfo member) {stringMemberName = String.Format (CultureInfo.InvariantCulture,"{0}. {1}", Gettypename (member. DeclaringType), member.            Name); stringexpression = member. MemberType = = Membertypes.field?fieldexpression:propertyexpression; stringSelectexpression =String.Format (cultureinfo.invariantculture, expression, membername); XPathNavigator Propertynode=_documentnavigator.selectsinglenode (selectexpression); returnGettagvalue (Propertynode,"Summary"); }         Public stringgetdocumentation (Type type) {XPathNavigator Typenode=Gettypenode (type); returnGettagvalue (Typenode,"Summary"); }        PrivateXPathNavigator Getmethodnode (Httpactiondescriptor actiondescriptor) {Reflectedhttpactiondescriptor Reflectedactiondescriptor= Actiondescriptor asReflectedhttpactiondescriptor; if(Reflectedactiondescriptor! =NULL)            {                stringSelectexpression =String.Format (CultureInfo.InvariantCulture, Methodexpression, Getmembername (                Reflectedactiondescriptor.methodinfo)); return_documentnavigator.selectsinglenode (selectexpression); }            return NULL; }        Private Static stringGetmembername (MethodInfo method) {stringName = String.Format (CultureInfo.InvariantCulture,"{0}. {1}", Gettypename (method. DeclaringType), method.            Name); parameterinfo[] Parameters=method.            GetParameters (); if(Parameters. Length! =0)            {                string[] parametertypenames = parameters. Select (param =gettypename (param. ParameterType)).                ToArray (); Name+ = String.Format (CultureInfo.InvariantCulture,"({0})", String.Join (",", Parametertypenames)); }            returnname; }        Private Static stringGettagvalue (XPathNavigator parentnode,stringtagName) {            if(ParentNode! =NULL) {XPathNavigator node=Parentnode.selectsinglenode (tagName); if(Node! =NULL)                {                    returnnode.                Value.trim (); }            }            return NULL; }        PrivateXPathNavigator Gettypenode (type type) {stringControllertypename =gettypename (type); stringSelectexpression =String.Format (CultureInfo.InvariantCulture, typeexpression, controllertypename); return_documentnavigator.selectsinglenode (selectexpression); }        Private Static stringgettypename (Type type) {stringName =type.            FullName; if(type. Isgenerictype) {//Format The generic type name to something like:generic{system.int32,system.string}Type GenericType =type.                GetGenericTypeDefinition (); Type[] Genericarguments=type.                GetGenericArguments (); stringGenerictypename =Generictype.fullname; //Trim The generic parameter counts from the nameGenerictypename = generictypename.substring (0, Generictypename.indexof ('`')); string[] Argumenttypenames = genericarguments.select (t =Gettypename (t)).                ToArray (); Name= String.Format (CultureInfo.InvariantCulture,"{0}{{{1}}}", Generictypename, String.Join (",", Argumenttypenames)); }            if(type. isnested) {//changing the nested type name from Outertype+innertype to Outertype.innertype to match the XML documentation syntax.< /c1>Name = name. Replace ("+","."); }            returnname; }    }}

WEBAPI upgrade to the Xmldocumentationprovider after 2.0