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//
// Methods.cs: Information about a method and its mapping to a SOAP web service.
//
// Author:
// Miguel de Icaza
// Lluis Sanchez Gual (lluis@ximian.com)
//
// (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 HeaderInfo = System.Web.Services.Protocols.SoapHeaderMapping;
using System.Reflection;
using System.Collections;
using System.Xml;
using System.Xml.Serialization;
using System.Web.Services;
using System.Web.Services.Description;
namespace System.Web.Services.Protocols {
//
// This class represents all the information we extract from a MethodInfo
// in the SoapHttpClientProtocol derivative stub class
//
internal class SoapMethodStubInfo : MethodStubInfo
{
internal readonly string Action;
internal readonly string Binding;
// The name/namespace of the request
internal readonly string RequestName;
internal readonly string RequestNamespace;
// The name/namespace of the response.
internal readonly string ResponseName;
internal readonly string ResponseNamespace;
internal readonly bool OneWay;
internal readonly SoapParameterStyle ParameterStyle;
internal readonly SoapBindingStyle SoapBindingStyle;
internal readonly SoapBindingUse Use;
internal readonly HeaderInfo [] Headers;
internal readonly HeaderInfo [] InHeaders;
internal readonly HeaderInfo [] OutHeaders;
internal readonly HeaderInfo [] FaultHeaders;
internal readonly SoapExtensionRuntimeConfig [] SoapExtensions;
internal readonly XmlMembersMapping InputMembersMapping;
internal readonly XmlMembersMapping OutputMembersMapping;
internal readonly XmlMembersMapping InputHeaderMembersMapping;
internal readonly XmlMembersMapping OutputHeaderMembersMapping;
internal readonly XmlMembersMapping FaultHeaderMembersMapping;
private readonly int requestSerializerId;
private readonly int responseSerializerId;
private readonly int requestHeadersSerializerId = -1;
private readonly int responseHeadersSerializerId = -1;
private readonly int faultHeadersSerializerId = -1;
internal XmlSerializer RequestSerializer
{
get { return TypeStub.GetSerializer (requestSerializerId); }
}
internal XmlSerializer ResponseSerializer
{
get { return TypeStub.GetSerializer (responseSerializerId); }
}
internal XmlSerializer RequestHeadersSerializer
{
get { return requestHeadersSerializerId != -1 ? TypeStub.GetSerializer (requestHeadersSerializerId) : null; }
}
internal XmlSerializer ResponseHeadersSerializer
{
get { return responseHeadersSerializerId != -1 ? TypeStub.GetSerializer (responseHeadersSerializerId) : null; }
}
internal XmlSerializer FaultHeadersSerializer
{
get { return faultHeadersSerializerId != -1 ? TypeStub.GetSerializer (faultHeadersSerializerId) : null; }
}
//
// Constructor
//
public SoapMethodStubInfo (TypeStubInfo typeStub, LogicalMethodInfo source, object kind, XmlReflectionImporter xmlImporter, SoapReflectionImporter soapImporter)
: base (typeStub, source)
{
SoapTypeStubInfo parent = (SoapTypeStubInfo) typeStub;
XmlElementAttribute optional_ns = null;
if (kind == null) {
Use = parent.LogicalType.BindingUse;
RequestName = "";
RequestNamespace = "";
ResponseName = "";
ResponseNamespace = "";
ParameterStyle = parent.ParameterStyle;
SoapBindingStyle = parent.SoapBindingStyle;
OneWay = false;
// disabled (see bug #332150)
//#if NET_2_0
// if (parent.Type != source.DeclaringType)
// Binding = source.DeclaringType.Name + parent.ProtocolName;
//#endif
}
else if (kind is SoapDocumentMethodAttribute){
SoapDocumentMethodAttribute dma = (SoapDocumentMethodAttribute) kind;
Use = dma.Use;
if (Use == SoapBindingUse.Default) {
if (parent.SoapBindingStyle == SoapBindingStyle.Document)
Use = parent.LogicalType.BindingUse;
else
Use = SoapBindingUse.Literal;
}
Action = dma.Action;
Binding = dma.Binding;
RequestName = dma.RequestElementName;
RequestNamespace = dma.RequestNamespace;
ResponseName = dma.ResponseElementName;
ResponseNamespace = dma.ResponseNamespace;
ParameterStyle = dma.ParameterStyle;
if (ParameterStyle == SoapParameterStyle.Default)
ParameterStyle = parent.ParameterStyle;
OneWay = dma.OneWay;
SoapBindingStyle = SoapBindingStyle.Document;
} else {
SoapRpcMethodAttribute rma = (SoapRpcMethodAttribute) kind;
Use = SoapBindingUse.Encoded; // RPC always use encoded
Action = rma.Action;
if (Action != null && Action.Length == 0)
Action = null;
Binding = rma.Binding;
// When using RPC, MS.NET seems to ignore RequestElementName and
// MessageName, and it always uses the method name
RequestName = source.Name;
ResponseName = source.Name + "Response";
// RequestName = rma.RequestElementName;
// ResponseName = rma.ResponseElementName;
RequestNamespace = rma.RequestNamespace;
ResponseNamespace = rma.ResponseNamespace;
ParameterStyle = SoapParameterStyle.Wrapped;
OneWay = rma.OneWay;
SoapBindingStyle = SoapBindingStyle.Rpc;
// For RPC calls, make all arguments be part of the empty namespace
optional_ns = new XmlElementAttribute ();
optional_ns.Namespace = "";
}
if (OneWay){
if (source.ReturnType != typeof (void))
throw new Exception ("OneWay methods should not have a return value.");
if (source.OutParameters.Length != 0)
throw new Exception ("OneWay methods should not have out/ref parameters.");
}
BindingInfo binfo = parent.GetBinding (Binding);
if (binfo == null) throw new InvalidOperationException ("Type '" + parent.Type + "' is missing WebServiceBinding attribute that defines a binding named '" + Binding + "'.");
string serviceNamespace = binfo.Namespace;
if (RequestNamespace == "") RequestNamespace = parent.LogicalType.GetWebServiceNamespace (serviceNamespace, Use);
if (ResponseNamespace == "") ResponseNamespace = parent.LogicalType.GetWebServiceNamespace (serviceNamespace, Use);
if (RequestName == "") RequestName = Name;
if (ResponseName == "") ResponseName = Name + "Response";
if (Action == null)
Action = serviceNamespace.EndsWith("/") ? (serviceNamespace + Name) : (serviceNamespace + "/" + Name);
bool hasWrappingElem = (ParameterStyle == SoapParameterStyle.Wrapped);
bool writeAccessors = (SoapBindingStyle == SoapBindingStyle.Rpc);
XmlReflectionMember [] in_members = BuildRequestReflectionMembers (optional_ns);
XmlReflectionMember [] out_members = BuildResponseReflectionMembers (optional_ns);
if (Use == SoapBindingUse.Literal) {
xmlImporter.IncludeTypes (source.CustomAttributeProvider);
InputMembersMapping = xmlImporter.ImportMembersMapping (RequestName, RequestNamespace, in_members, hasWrappingElem);
OutputMembersMapping = xmlImporter.ImportMembersMapping (ResponseName, ResponseNamespace, out_members, hasWrappingElem);
}
else {
soapImporter.IncludeTypes (source.CustomAttributeProvider);
InputMembersMapping = soapImporter.ImportMembersMapping (RequestName, RequestNamespace, in_members, hasWrappingElem, writeAccessors);
OutputMembersMapping = soapImporter.ImportMembersMapping (ResponseName, ResponseNamespace, out_members, hasWrappingElem, writeAccessors);
}
InputMembersMapping.SetKey(RequestName);
OutputMembersMapping.SetKey(ResponseName);
requestSerializerId = parent.RegisterSerializer (InputMembersMapping);
responseSerializerId = parent.RegisterSerializer (OutputMembersMapping);
object[] o = source.GetCustomAttributes (typeof (SoapHeaderAttribute));
ArrayList allHeaderList = new ArrayList (o.Length);
ArrayList inHeaderList = new ArrayList (o.Length);
ArrayList outHeaderList = new ArrayList (o.Length);
ArrayList faultHeaderList = new ArrayList ();
SoapHeaderDirection unknownHeaderDirections = (SoapHeaderDirection)0;
for (int i = 0; i < o.Length; i++) {
SoapHeaderAttribute att = (SoapHeaderAttribute) o[i];
MemberInfo[] mems = source.DeclaringType.GetMember (att.MemberName);
if (mems.Length == 0) throw new InvalidOperationException ("Member " + att.MemberName + " not found in class " + source.DeclaringType.FullName + ".");
HeaderInfo header = new HeaderInfo (mems[0], att);
allHeaderList.Add (header);
if (!header.Custom) {
if ((header.Direction & SoapHeaderDirection.In) != 0)
inHeaderList.Add (header);
if ((header.Direction & SoapHeaderDirection.Out) != 0)
outHeaderList.Add (header);
if ((header.Direction & SoapHeaderDirection.Fault) != 0)
faultHeaderList.Add (header);
} else
unknownHeaderDirections |= header.Direction;
}
Headers = (HeaderInfo[]) allHeaderList.ToArray (typeof(HeaderInfo));
if (inHeaderList.Count > 0 || (unknownHeaderDirections & SoapHeaderDirection.In) != 0) {
InHeaders = (HeaderInfo[]) inHeaderList.ToArray (typeof(HeaderInfo));
XmlReflectionMember[] members = BuildHeadersReflectionMembers (InHeaders);
if (Use == SoapBindingUse.Literal)
InputHeaderMembersMapping = xmlImporter.ImportMembersMapping ("", RequestNamespace, members, false);
else
InputHeaderMembersMapping = soapImporter.ImportMembersMapping ("", RequestNamespace, members, false, false);
InputHeaderMembersMapping.SetKey(RequestName + ":InHeaders");
requestHeadersSerializerId = parent.RegisterSerializer (InputHeaderMembersMapping);
}
if (outHeaderList.Count > 0 || (unknownHeaderDirections & SoapHeaderDirection.Out) != 0) {
OutHeaders = (HeaderInfo[]) outHeaderList.ToArray (typeof(HeaderInfo));
XmlReflectionMember[] members = BuildHeadersReflectionMembers (OutHeaders);
if (Use == SoapBindingUse.Literal)
OutputHeaderMembersMapping = xmlImporter.ImportMembersMapping ("", RequestNamespace, members, false);
else
OutputHeaderMembersMapping = soapImporter.ImportMembersMapping ("", RequestNamespace, members, false, false);
OutputHeaderMembersMapping.SetKey(ResponseName + ":OutHeaders");
responseHeadersSerializerId = parent.RegisterSerializer (OutputHeaderMembersMapping);
}
if (faultHeaderList.Count > 0 || (unknownHeaderDirections & SoapHeaderDirection.Fault) != 0) {
FaultHeaders = (HeaderInfo[]) faultHeaderList.ToArray (typeof(HeaderInfo));
XmlReflectionMember[] members = BuildHeadersReflectionMembers (FaultHeaders);
if (Use == SoapBindingUse.Literal)
FaultHeaderMembersMapping = xmlImporter.ImportMembersMapping ("", RequestNamespace, members, false);
else
FaultHeaderMembersMapping = soapImporter.ImportMembersMapping ("", RequestNamespace, members, false, false);
faultHeadersSerializerId = parent.RegisterSerializer (FaultHeaderMembersMapping);
}
SoapExtensions = SoapExtension.GetMethodExtensions (source);
}
XmlReflectionMember [] BuildRequestReflectionMembers (XmlElementAttribute optional_ns)
{
ParameterInfo [] input = MethodInfo.InParameters;
XmlReflectionMember [] in_members = new XmlReflectionMember [input.Length];
for (int i = 0; i < input.Length; i++)
{
XmlReflectionMember m = new XmlReflectionMember ();
m.IsReturnValue = false;
m.MemberName = input [i].Name;
m.MemberType = input [i].ParameterType;
m.XmlAttributes = new XmlAttributes (input[i]);
m.SoapAttributes = new SoapAttributes (input[i]);
if (m.MemberType.IsByRef)
m.MemberType = m.MemberType.GetElementType ();
if (optional_ns != null)
m.XmlAttributes.XmlElements.Add (optional_ns);
in_members [i] = m;
}
return in_members;
}
XmlReflectionMember [] BuildResponseReflectionMembers (XmlElementAttribute optional_ns)
{
ParameterInfo [] output = MethodInfo.OutParameters;
bool has_return_value = !(OneWay || MethodInfo.ReturnType == typeof (void));
XmlReflectionMember [] out_members = new XmlReflectionMember [(has_return_value ? 1 : 0) + output.Length];
XmlReflectionMember m;
int idx = 0;
if (has_return_value)
{
m = new XmlReflectionMember ();
m.IsReturnValue = true;
m.MemberName = Name + "Result";
m.MemberType = MethodInfo.ReturnType;
m.XmlAttributes = new XmlAttributes (MethodInfo.ReturnTypeCustomAttributeProvider);
m.SoapAttributes = new SoapAttributes (MethodInfo.ReturnTypeCustomAttributeProvider);
if (optional_ns != null)
m.XmlAttributes.XmlElements.Add (optional_ns);
idx++;
out_members [0] = m;
}
for (int i = 0; i < output.Length; i++)
{
m = new XmlReflectionMember ();
m.IsReturnValue = false;
m.MemberName = output [i].Name;
m.MemberType = output [i].ParameterType;
m.XmlAttributes = new XmlAttributes (output[i]);
m.SoapAttributes = new SoapAttributes (output[i]);
if (m.MemberType.IsByRef)
m.MemberType = m.MemberType.GetElementType ();
if (optional_ns != null)
m.XmlAttributes.XmlElements.Add (optional_ns);
out_members [i + idx] = m;
}
return out_members;
}
XmlReflectionMember [] BuildHeadersReflectionMembers (HeaderInfo[] headers)
{
XmlReflectionMember [] mems = new XmlReflectionMember [headers.Length];
for (int n=0; n<headers.Length; n++)
{
HeaderInfo header = headers [n];
XmlReflectionMember m = new XmlReflectionMember ();
m.IsReturnValue = false;
m.MemberName = header.HeaderType.Name;
m.MemberType = header.HeaderType;
// MS.NET reflects header classes in a weird way. The root element
// name is the CLR class name unless it is specified in an XmlRootAttribute.
// The usual is to use the xml type name by default, but not in this case.
XmlAttributes ats = new XmlAttributes (header.HeaderType);
if (ats.XmlRoot != null) {
XmlElementAttribute xe = new XmlElementAttribute ();
xe.ElementName = ats.XmlRoot.ElementName;
xe.Namespace = ats.XmlRoot.Namespace;
m.XmlAttributes = new XmlAttributes ();
m.XmlAttributes.XmlElements.Add (xe);
}
mems [n] = m;
}
return mems;
}
public HeaderInfo GetHeaderInfo (Type headerType)
{
foreach (HeaderInfo headerInfo in Headers)
if (headerInfo.HeaderType == headerType) return headerInfo;
return null;
}
public XmlSerializer GetBodySerializer (SoapHeaderDirection dir, bool soap12)
{
switch (dir) {
case SoapHeaderDirection.In: return RequestSerializer;
case SoapHeaderDirection.Out: return ResponseSerializer;
case SoapHeaderDirection.Fault: return soap12 ? Soap12Fault.Serializer : Fault.Serializer;
default: return null;
}
}
public XmlSerializer GetHeaderSerializer (SoapHeaderDirection dir)
{
switch (dir) {
case SoapHeaderDirection.In: return RequestHeadersSerializer;
case SoapHeaderDirection.Out: return ResponseHeadersSerializer;
case SoapHeaderDirection.Fault: return FaultHeadersSerializer;
default: return null;
}
}
HeaderInfo[] GetHeaders (SoapHeaderDirection dir)
{
switch (dir) {
case SoapHeaderDirection.In: return InHeaders;
case SoapHeaderDirection.Out: return OutHeaders;
case SoapHeaderDirection.Fault: return FaultHeaders;
default: return null;
}
}
public object[] GetHeaderValueArray (SoapHeaderDirection dir, SoapHeaderCollection headers)
{
HeaderInfo[] headerInfos = GetHeaders (dir);
if (headerInfos == null) return null;
object[] hs = new object [headerInfos.Length];
for (int n=0; n<headers.Count; n++) {
SoapHeader h = headers[n];
Type t = h.GetType();
for (int i=0; i<headerInfos.Length; i++)
if (headerInfos [i].HeaderType == t)
hs [i] = h;
}
return hs;
}
}
//
// Holds the metadata loaded from the type stub, as well as
// the metadata for all the methods in the type
//
internal class SoapTypeStubInfo : TypeStubInfo
{
Hashtable methods_byaction = new Hashtable ();
// Precomputed
internal SoapParameterStyle ParameterStyle;
internal SoapExtensionRuntimeConfig[][] SoapExtensions;
internal SoapBindingStyle SoapBindingStyle;
internal XmlReflectionImporter xmlImporter;
internal SoapReflectionImporter soapImporter;
public SoapTypeStubInfo (LogicalTypeInfo logicalTypeInfo)
: base (logicalTypeInfo)
{
xmlImporter = new XmlReflectionImporter ();
soapImporter = new SoapReflectionImporter ();
if (typeof (SoapHttpClientProtocol).IsAssignableFrom (Type))
{
if (Bindings.Count == 0 || ((BindingInfo)Bindings[0]).WebServiceBindingAttribute == null)
throw new InvalidOperationException ("WebServiceBindingAttribute is required on proxy class '" + Type + "'.");
if (Bindings.Count > 1)
throw new InvalidOperationException ("Only one WebServiceBinding attribute may be specified on type '" + Type + "'.");
}
object [] o = Type.GetCustomAttributes (typeof (SoapDocumentServiceAttribute), false);
if (o.Length == 1){
SoapDocumentServiceAttribute a = (SoapDocumentServiceAttribute) o [0];
ParameterStyle = a.ParameterStyle;
SoapBindingStyle = SoapBindingStyle.Document;
} else {
o = Type.GetCustomAttributes (typeof (SoapRpcServiceAttribute), false);
if (o.Length == 1){
ParameterStyle = SoapParameterStyle.Wrapped;
SoapBindingStyle = SoapBindingStyle.Rpc;
} else {
ParameterStyle = SoapParameterStyle.Wrapped;
SoapBindingStyle = SoapBindingStyle.Document;
}
}
if (ParameterStyle == SoapParameterStyle.Default) ParameterStyle = SoapParameterStyle.Wrapped;
xmlImporter.IncludeTypes (Type);
soapImporter.IncludeTypes (Type);
#if MOBILE || XAMMAC_4_5
SoapExtensions = new SoapExtensionRuntimeConfig [2][];
#else
SoapExtensions = SoapExtension.GetTypeExtensions (Type);
#endif
}
internal SoapServiceRoutingStyle RoutingStyle {
get { return LogicalType.RoutingStyle; }
}
public override XmlReflectionImporter XmlImporter
{
get { return xmlImporter; }
}
public override SoapReflectionImporter SoapImporter
{
get { return soapImporter; }
}
public override string ProtocolName
{
get { return "Soap"; }
}
protected override MethodStubInfo CreateMethodStubInfo (TypeStubInfo parent, LogicalMethodInfo lmi, bool isClientProxy)
{
SoapMethodStubInfo res = null;
object [] ats = lmi.GetCustomAttributes (typeof (SoapDocumentMethodAttribute));
if (ats.Length == 0) ats = lmi.GetCustomAttributes (typeof (SoapRpcMethodAttribute));
if (ats.Length == 0 && isClientProxy)
return null;
else if (ats.Length == 0)
res = new SoapMethodStubInfo (parent, lmi, null, xmlImporter, soapImporter);
else
res = new SoapMethodStubInfo (parent, lmi, ats[0], xmlImporter, soapImporter);
methods_byaction [res.Action] = res;
return res;
}
public SoapMethodStubInfo GetMethodForSoapAction (string name)
{
return (SoapMethodStubInfo) methods_byaction [name.Trim ('"',' ')];
}
}
internal class Soap12TypeStubInfo : SoapTypeStubInfo
{
public Soap12TypeStubInfo (LogicalTypeInfo logicalTypeInfo)
: base (logicalTypeInfo)
{
}
public override string ProtocolName
{
get { return "Soap12"; }
}
}
}
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