add support soap 12

Author: Andrey Golikov

server_tmpl.go

@@ -5,12 +5,12 @@ var serverTmpl = `
 var WSDLUndefinedError = errors.New("Server was unable to process request. --> Object reference not set to an instance of an object.")
 
 type SOAPEnvelopeRequest struct {
-	XMLName xml.Name ` + "`" + `xml:"http://schemas.xmlsoap.org/soap/envelope/ Envelope"` + "`" + `
+	XMLName xml.Name ` + "`" + `xml:"Envelope"` + "`" + `
 	Body SOAPBodyRequest
 }
 
 type SOAPBodyRequest struct {
-	XMLName xml.Name ` + "`" + `xml:"http://schemas.xmlsoap.org/soap/envelope/ Body"` + "`" + `
+	XMLName xml.Name ` + "`" + `xml:"Body"` + "`" + `
 	{{range .}}
 		{{range .Operations}}
 				{{$requestType := findType .Input.Message | replaceReservedWords | makePublic}} ` + `
@@ -36,6 +36,14 @@ func NewSOAPEnvelopResponse() *SOAPEnvelopeResponse {
 	}
 }
 
+func NewSOAP12EnvelopResponse() *SOAPEnvelopeResponse {
+	return &SOAPEnvelopeResponse{
+		PrefixSoap: "http://www.w3.org/2003/05/soap-envelope",
+		PrefixXsd:  "http://www.w3.org/2001/XMLSchema",
+		PrefixXsi:  "http://www.w3.org/2001/XMLSchema-instance",
+	}
+}
+
 type Fault struct { ` + `
 	XMLName xml.Name ` + "`" + `xml:"SOAP-ENV:Fault"` + "`" + `
 	Space   string   ` + "`" + `xml:"xmlns:SOAP-ENV,omitempty,attr"` + "`" + `
@@ -73,7 +81,14 @@ func (service *SOAPBodyRequest) {{$requestType}}Func(request *{{$requestType}})
 
 
 func (service *SOAPEnvelopeRequest) call(w http.ResponseWriter, r *http.Request) {
-	w.Header().Add("Content-Type", "text/xml; charset=utf-8")
+	var isSOAP12 bool
+	if strings.Index(r.Header.Get("Content-Type"), "application/soap+xml") >= 0 {
+		w.Header().Add("Content-Type", "application/soap+xml; charset=utf-8")
+		isSOAP12 = true
+	} else {
+		w.Header().Add("Content-Type", "text/xml; charset=utf-8")
+	}
+
 	val := reflect.ValueOf(&service.Body).Elem()
 	n := val.NumField()
 	var field reflect.Value
@@ -85,23 +100,25 @@ func (service *SOAPEnvelopeRequest) call(w http.ResponseWriter, r *http.Request)
 		return
 	}
 
-	resp := NewSOAPEnvelopResponse()
+	var resp *SOAPEnvelopeResponse
+
+	if isSOAP12 {
+		resp = NewSOAP12EnvelopResponse()
+	} else {
+		resp = NewSOAPEnvelopResponse()
+	}
+
 	defer func() {
 		if r := recover(); r != nil {
 			resp.Body.Fault = &Fault{}
-			resp.Body.Fault.Space = "http://schemas.xmlsoap.org/soap/envelope/"
+			resp.Body.Fault.Space = resp.PrefixSoap
 			resp.Body.Fault.Code = "soap:Server"
 			resp.Body.Fault.Detail = fmt.Sprintf("%v", r)
 			resp.Body.Fault.String = fmt.Sprintf("%v", r)
 		}
 		xml.NewEncoder(w).Encode(resp)
 	}()
 
-	header := r.Header.Get("Content-Type")
-	if strings.Index(header, "application/soap+xml") >= 0 {
-		panic("Could not find an appropriate Transport Binding to invoke.")
-	}
-
 	err := xml.NewDecoder(r.Body).Decode(service)
 	if err != nil {
 		panic(err)
@@ -125,6 +142,11 @@ func (service *SOAPEnvelopeRequest) call(w http.ResponseWriter, r *http.Request)
 	if !find {
 		panic(WSDLUndefinedError)
 	} else {
+		if isSOAP12 {
+			defer func() {
+				r.Header.Set("Soapaction", fmt.Sprintf("SOAP12: %s", name))
+			}()
+		}
 		m := val.Addr().MethodByName(name + "Func")
 		if !m.IsValid() {
 			panic(WSDLUndefinedError)
@@ -137,7 +159,6 @@ func (service *SOAPEnvelopeRequest) call(w http.ResponseWriter, r *http.Request)
 			panic(vals[1].Interface())
 		}
 	}
-
 }
 
 func Endpoint(w http.ResponseWriter, r *http.Request) {