//
// System.Web.Services.Description.HttpSimpleProtocolImporter.cs
//
// Author:
// Lluis Sanchez Gual (lluis@ximian.com)
//
// Copyright (C) 2003 Ximian, Inc.
//
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System.CodeDom;
using System.Web.Services;
using System.Web.Services.Protocols;
using System.Web.Services.Configuration;
using System.Xml;
using System.Xml.Serialization;
using System.Configuration;
using System.Collections;
namespace System.Web.Services.Description{
internal abstract class HttpSimpleProtocolImporter : ProtocolImporter
{
#region Fields
HttpBinding httpBinding;
SoapCodeExporter soapExporter;
SoapSchemaImporter soapImporter;
XmlCodeExporter xmlExporter;
XmlSchemaImporter xmlImporter;
CodeIdentifiers memberIds;
XmlReflectionImporter xmlReflectionImporter;
#endregion // Fields
#region Constructors
public HttpSimpleProtocolImporter ()
{
}
#endregion // Constructors
#region Methods
protected override CodeTypeDeclaration BeginClass ()
{
httpBinding = (HttpBinding) Binding.Extensions.Find (typeof(HttpBinding));
CodeTypeDeclaration codeClass = new CodeTypeDeclaration (ClassName);
#if NET_2_0
codeClass.IsPartial = true;
#endif
string location = null;
if (Port != null) {
HttpAddressBinding sab = (HttpAddressBinding) Port.Extensions.Find (typeof(HttpAddressBinding));
if (sab != null) location = sab.Location;
}
CodeConstructor cc = new CodeConstructor ();
cc.Attributes = MemberAttributes.Public;
GenerateServiceUrl (location, cc.Statements);
codeClass.Members.Add (cc);
memberIds = new CodeIdentifiers ();
return codeClass;
}
protected override void BeginNamespace ()
{
xmlImporter = new XmlSchemaImporter (LiteralSchemas, ClassNames);
soapImporter = new SoapSchemaImporter (EncodedSchemas, ClassNames);
xmlExporter = new XmlCodeExporter (CodeNamespace, null);
xmlReflectionImporter = new XmlReflectionImporter ();
}
protected override void EndClass ()
{
if (xmlExporter.IncludeMetadata.Count > 0)
{
if (CodeTypeDeclaration.CustomAttributes == null)
CodeTypeDeclaration.CustomAttributes = new CodeAttributeDeclarationCollection ();
CodeTypeDeclaration.CustomAttributes.AddRange (xmlExporter.IncludeMetadata);
}
}
protected override void EndNamespace ()
{
}
protected override bool IsBindingSupported ()
{
throw new NotImplementedException ();
}
[MonoTODO]
protected override bool IsOperationFlowSupported (OperationFlow flow)
{
throw new NotImplementedException ();
}
protected override CodeMemberMethod GenerateMethod ()
{
try
{
HttpOperationBinding httpOper = OperationBinding.Extensions.Find (typeof (HttpOperationBinding)) as HttpOperationBinding;
if (httpOper == null) throw new Exception ("Http operation binding not found");
XmlMembersMapping inputMembers = ImportInMembersMapping (InputMessage);
XmlTypeMapping outputMember = ImportOutMembersMapping (OutputMessage);
CodeMemberMethod met = GenerateMethod (memberIds, httpOper, inputMembers, outputMember);
xmlExporter.ExportMembersMapping (inputMembers);
if (outputMember != null)
xmlExporter.ExportTypeMapping (outputMember);
return met;
}
catch (Exception ex)
{
UnsupportedOperationBindingWarning (ex.Message);
return null;
}
}
XmlMembersMapping ImportInMembersMapping (Message msg)
{
SoapSchemaMember[] mems = new SoapSchemaMember [msg.Parts.Count];
for (int n=0; n<mems.Length; n++)
{
SoapSchemaMember mem = new SoapSchemaMember();
mem.MemberName = msg.Parts[n].Name;
mem.MemberType = msg.Parts[n].Type;
mems[n] = mem;
}
return soapImporter.ImportMembersMapping (Operation.Name, "", mems);
}
XmlTypeMapping ImportOutMembersMapping (Message msg)
{
if (msg.Parts.Count == 0) return null;
if (msg.Parts[0].Name == "Body" && msg.Parts[0].Element == XmlQualifiedName.Empty)
return xmlReflectionImporter.ImportTypeMapping (typeof(XmlNode));
else {
// This is a bit hacky. The issue is that types such as string[] are to be imported
// as such, not as ArrayOfString class. ImportTypeMapping will return a
// class if the type has not been imported as an array before, hence the
// call to ImportMembersMapping.
xmlImporter.ImportMembersMapping (new XmlQualifiedName[] {msg.Parts[0].Element});
return xmlImporter.ImportTypeMapping (msg.Parts[0].Element);
}
}
CodeMemberMethod GenerateMethod (CodeIdentifiers memberIds, HttpOperationBinding httpOper, XmlMembersMapping inputMembers, XmlTypeMapping outputMember)
{
CodeIdentifiers pids = new CodeIdentifiers ();
CodeMemberMethod method = new CodeMemberMethod ();
CodeMemberMethod methodBegin = new CodeMemberMethod ();
CodeMemberMethod methodEnd = new CodeMemberMethod ();
method.Attributes = MemberAttributes.Public;
methodBegin.Attributes = MemberAttributes.Public;
methodEnd.Attributes = MemberAttributes.Public;
// Find unique names for temporary variables
for (int n=0; n<inputMembers.Count; n++)
pids.AddUnique (inputMembers[n].MemberName, inputMembers[n]);
string varAsyncResult = pids.AddUnique ("asyncResult","asyncResult");
string varCallback = pids.AddUnique ("callback","callback");
string varAsyncState = pids.AddUnique ("asyncState","asyncState");
string messageName = memberIds.AddUnique(CodeIdentifier.MakeValid(Operation.Name),method);
method.Name = Operation.Name;
methodBegin.Name = memberIds.AddUnique(CodeIdentifier.MakeValid("Begin" + Operation.Name),method);
methodEnd.Name = memberIds.AddUnique(CodeIdentifier.MakeValid("End" + Operation.Name),method);
method.ReturnType = new CodeTypeReference (typeof(void));
methodEnd.ReturnType = new CodeTypeReference (typeof(void));
methodEnd.Parameters.Add (new CodeParameterDeclarationExpression (typeof (IAsyncResult),varAsyncResult));
CodeExpression[] paramArray = new CodeExpression [inputMembers.Count];
for (int n=0; n<inputMembers.Count; n++)
{
string ptype = GetSimpleType (inputMembers[n]);
CodeParameterDeclarationExpression param = new CodeParameterDeclarationExpression (ptype, inputMembers[n].MemberName);
param.Direction = FieldDirection.In;
method.Parameters.Add (param);
methodBegin.Parameters.Add (param);
paramArray [n] = new CodeVariableReferenceExpression (param.Name);
}
bool isVoid = true;
if (outputMember != null)
{
method.ReturnType = new CodeTypeReference (outputMember.TypeFullName);
methodEnd.ReturnType = new CodeTypeReference (outputMember.TypeFullName);
xmlExporter.AddMappingMetadata (method.ReturnTypeCustomAttributes, outputMember, "");
isVoid = false;
}
methodBegin.Parameters.Add (new CodeParameterDeclarationExpression (typeof (AsyncCallback),varCallback));
methodBegin.Parameters.Add (new CodeParameterDeclarationExpression (typeof (object),varAsyncState));
methodBegin.ReturnType = new CodeTypeReference (typeof(IAsyncResult));
// Array of input parameters
CodeArrayCreateExpression methodParams;
if (paramArray.Length > 0)
methodParams = new CodeArrayCreateExpression (typeof(object), paramArray);
else
methodParams = new CodeArrayCreateExpression (typeof(object), 0);
// Generate method url
CodeThisReferenceExpression ethis = new CodeThisReferenceExpression();
CodeExpression thisURlExp = new CodeFieldReferenceExpression (ethis, "Url");
CodePrimitiveExpression metUrl = new CodePrimitiveExpression (httpOper.Location);
CodeBinaryOperatorExpression expMethodLocation = new CodeBinaryOperatorExpression (thisURlExp, CodeBinaryOperatorType.Add, metUrl);
// Invoke call
CodePrimitiveExpression varMsgName = new CodePrimitiveExpression (messageName);
CodeMethodInvokeExpression inv;
inv = new CodeMethodInvokeExpression (ethis, "Invoke", varMsgName, expMethodLocation, methodParams);
if (!isVoid)
method.Statements.Add (new CodeMethodReturnStatement (new CodeCastExpression (method.ReturnType, inv)));
else
method.Statements.Add (inv);
// Begin Invoke Call
CodeExpression expCallb = new CodeVariableReferenceExpression (varCallback);
CodeExpression expAsyncs = new CodeVariableReferenceExpression (varAsyncState);
inv = new CodeMethodInvokeExpression (ethis, "BeginInvoke", varMsgName, expMethodLocation, methodParams, expCallb, expAsyncs);
methodBegin.Statements.Add (new CodeMethodReturnStatement (inv));
// End Invoke call
CodeExpression varAsyncr = new CodeVariableReferenceExpression (varAsyncResult);
inv = new CodeMethodInvokeExpression (ethis, "EndInvoke", varAsyncr);
if (!isVoid)
methodEnd.Statements.Add (new CodeMethodReturnStatement (new CodeCastExpression (methodEnd.ReturnType, inv)));
else
methodEnd.Statements.Add (inv);
// Attributes
CodeAttributeDeclaration att = new CodeAttributeDeclaration ("System.Web.Services.Protocols.HttpMethodAttribute");
att.Arguments.Add (new CodeAttributeArgument (new CodeTypeOfExpression(GetOutMimeFormatter ())));
att.Arguments.Add (new CodeAttributeArgument (new CodeTypeOfExpression(GetInMimeFormatter ())));
AddCustomAttribute (method, att, true);
CodeTypeDeclaration.Members.Add (method);
CodeTypeDeclaration.Members.Add (methodBegin);
CodeTypeDeclaration.Members.Add (methodEnd);
return method;
}
#if NET_2_0
internal override CodeExpression BuildInvokeAsync (string messageName, CodeArrayCreateExpression paramsArray, CodeExpression delegateField, CodeExpression userStateVar)
{
HttpOperationBinding httpOper = OperationBinding.Extensions.Find (typeof (HttpOperationBinding)) as HttpOperationBinding;
CodeThisReferenceExpression ethis = new CodeThisReferenceExpression();
CodeExpression thisURlExp = new CodeFieldReferenceExpression (ethis, "Url");
CodePrimitiveExpression metUrl = new CodePrimitiveExpression (httpOper.Location);
CodeBinaryOperatorExpression expMethodLocation = new CodeBinaryOperatorExpression (thisURlExp, CodeBinaryOperatorType.Add, metUrl);
CodeMethodInvokeExpression inv2 = new CodeMethodInvokeExpression (ethis, "InvokeAsync");
inv2.Parameters.Add (new CodePrimitiveExpression (messageName));
inv2.Parameters.Add (expMethodLocation);
inv2.Parameters.Add (paramsArray);
inv2.Parameters.Add (delegateField);
inv2.Parameters.Add (userStateVar);
return inv2;
}
#endif
protected virtual Type GetInMimeFormatter ()
{
return null;
}
protected virtual Type GetOutMimeFormatter ()
{
if (OperationBinding.Output.Extensions.Find (typeof(MimeXmlBinding)) != null)
return typeof (XmlReturnReader);
MimeContentBinding bin = (MimeContentBinding) OperationBinding.Output.Extensions.Find (typeof(MimeContentBinding));
if (bin != null && bin.Type == "text/xml")
return typeof (XmlReturnReader);
return typeof(NopReturnReader);
}
string GetSimpleType (XmlMemberMapping member)
{
// MS seems to always use System.String for input parameters, except for byte[]
switch (member.TypeName)
{
case "hexBinary":
case "base64Binary":
return "System.String";
default:
string ptype = member.TypeFullName;
int i = ptype.IndexOf ('[');
if (i == -1)
return "System.String";
else
return "System.String" + ptype.Substring (i);
}
}
#endregion
}
}
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