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From "Tadashi Fujita" <tfuj...@lsi.nec.co.jp>
Subject Axis beta2 and C# client
Date Mon, 27 May 2002 05:11:41 GMT
Hi, all.

I had a problem Axis beta2 and C# client.
And I could solve the problem by editing C# Stub.

[My Problem]

I deployed "InfoTest" WebService to Axis beta2.
It returns "Info" object.  Info has 2 elements,
"ID" and "Name" as String.

| public Info getInfo(String id);

# see following about the detail.


Next, I made C# Stub(TestInfoService.cs) with wsdl.exe in .NET Framework.

| wsdl http://localhost:8080/axis/services/InfoTest?WSDL

And I made C# client using TestInfoService.

| InfoTestService service = new InfoTestService();
| Info info1 = service.getInfo("ID001");
| Console.WriteLine("ID=[" + info1.ID + "] Name=[" + info1.Name + "]");

The expected result is as following.

| ID=[ID001] Name=[Christy]

But I got unexpected result as following.

| ID=[ID001] Name=[]

"ID" was recovered from SOAP message but "Name" is not!

-----------------------------------------------

[My Solution]

I could get an expected result by editing
Info class in InfoTestService.cs.

[original]
| public class Info {
|     public string Name;
|     public string ID;
| }

[changed]
| public class Info {
|     public string name;        // "Name" -> "name".
|     public string ID;
| }

[result]
| ID=[ID001] Name=[Christy]        | It's perfect!

-----------------------------------------------

[My Opinion]

Info class is defined like following in WSDL.

| <complexType name="Info">
|   <sequence>
|     <element name="Name" nillable="true" type="xsd:string"/>    | note!
|     <element name="ID" nillable="true" type="xsd:string"/>
|   </sequence>
| </complexType>

And Info instance is described like following
in SOAP message Axis returns.

| <multiRef id="id0" SOAP-ENC:root="0" encodingStyle="http://schemas.xmlsoap.org/soap/encoding/"
xsi:type="ns3:Info"
xmlns:SOAP-ENC="http://schemas.xmlsoap.org/soap/encoding/" xmlns:ns2="http://schemas.xmlsoap.org/soap/envelope/:encodingStyle"
xmlns:ns3="urn:info">
|  <name xsi:type="xsd:string">Christy</name>                     | note!
|  <ID xsi:type="xsd:string">ID001</ID>
| </multiRef>


I think Axis should return

| <Name xsi:type="xsd:string">Christy</Name>

not

| <name xsi:type="xsd:string">Christy</name>

because WSDL says "Name", not "name".

Thanks,
Tadashi Fujita

[My envirounment]
Windows2000 Professional
JDK1.4
Tomcat4.0.3
Axis beta2
Visual C#.net standard

----[InfoTest.java(WebService)]----

package info;

public class InfoTest
{
    public Info getInfo(String id)
    {
        String name = null;
        if(id.equals("ID001")) {
            name = "Christy";
        }else if(id.equals("ID002")) {
            name = "Nancy";
        }else if(id.equals("ID003")) {
            name = "Maggie";
        }

        Info info = new Info();
        info.setID(id);
        info.setName(name);
        return info;
    }
}


----[Info.java]----

package info;

public class Info
{
    private String m_id = null;
    private String m_name = null;

    public void setID(String str) {
        this.m_id = str;
    }
    public String getID() {
        return this.m_id;
    }
    public void setName(String str) {
        this.m_name = str;
    }
    public String getName() {
        return this.m_name;
    }
}


----[deploy.wsdd]----

<deployment xmlns="http://xml.apache.org/axis/wsdd/" xmlns:java="http://xml.apache.org/axis/wsdd/providers/java">
 <service name="InfoTest" provider="java:RPC">
  <parameter name="className" value="info.InfoTest"/>
  <parameter name="allowedMethods" value="*"/>
  <beanMapping qname="myNS:Info" xmlns:myNS="urn:info" languageSpecificType="java:info.Info"/>
 </service>
</deployment>


----[WSDL by Axis beta2]----

<?xml version="1.0" encoding="UTF-8"?>
<wsdl:definitions targetNamespace="http://localhost:8080/axis/services/InfoTest"
xmlns:wsdlsoap="http://schemas.xmlsoap.org/wsdl/soap/" xmlns:xsd="http://www.w3.org/2001/XMLSchema"
xmlns:tns1="urn:info"
xmlns:SOAP-ENC="http://schemas.xmlsoap.org/soap/encoding/" xmlns:intf="http://localhost:8080/axis/services/InfoTest"
xmlns:wsdl="http://schemas.xmlsoap.org/wsdl/" xmlns:impl="http://localhost:8080/axis/services/InfoTest-impl"
xmlns="http://schemas.xmlsoap.org/wsdl/">
  <types>
    <schema xmlns="http://www.w3.org/2001/XMLSchema" targetNamespace="urn:info">
      <complexType name="Info">
        <sequence>
          <element name="Name" nillable="true" type="xsd:string"/>
          <element name="ID" nillable="true" type="xsd:string"/>
        </sequence>
      </complexType>
      <element name="Info" nillable="true" type="tns1:Info"/>
    </schema>
  </types>
  <wsdl:message name="getInfoResponse">
    <wsdl:part name="return" type="tns1:Info"/>
  </wsdl:message>
  <wsdl:message name="getInfoRequest">
    <wsdl:part name="in0" type="xsd:string"/>
  </wsdl:message>
  <wsdl:portType name="InfoTest">
    <wsdl:operation name="getInfo" parameterOrder="in0">
      <wsdl:input message="intf:getInfoRequest"/>
      <wsdl:output message="intf:getInfoResponse"/>
    </wsdl:operation>
  </wsdl:portType>
  <wsdl:binding name="InfoTestSoapBinding" type="intf:InfoTest">
    <wsdlsoap:binding style="rpc" transport="http://schemas.xmlsoap.org/soap/http"/>
    <wsdl:operation name="getInfo">
      <wsdlsoap:operation soapAction=""/>
      <wsdl:input>
        <wsdlsoap:body use="encoded" encodingStyle="http://schemas.xmlsoap.org/soap/encoding/"
namespace="getInfo"/>
      </wsdl:input>
      <wsdl:output>
        <wsdlsoap:body use="encoded" encodingStyle="http://schemas.xmlsoap.org/soap/encoding/"
namespace="http://localhost:8080/axis/services/InfoTest"/>
      </wsdl:output>
    </wsdl:operation>
  </wsdl:binding>
  <wsdl:service name="InfoTestService">
    <wsdl:port name="InfoTest" binding="intf:InfoTestSoapBinding">
      <wsdlsoap:address location="http://localhost:8080/axis/services/InfoTest"/>
    </wsdl:port>
  </wsdl:service>
</wsdl:definitions>


----[C# Stub (generated by "wsdl http://localhost:8080/axis/services/InfoTest?WSDL")]----

using System.Diagnostics;
using System.Xml.Serialization;
using System;
using System.Web.Services.Protocols;
using System.ComponentModel;
using System.Web.Services;

[System.Diagnostics.DebuggerStepThroughAttribute()]
[System.ComponentModel.DesignerCategoryAttribute("code")]
[System.Web.Services.WebServiceBindingAttribute(Name="InfoTestSoapBinding",
Namespace="http://localhost:8070/axis/services/InfoTest")]
public class InfoTestService : System.Web.Services.Protocols.SoapHttpClientProtocol {

    public InfoTestService() {
        this.Url = "http://localhost:8070/axis/services/InfoTest";
    }

    [System.Web.Services.Protocols.SoapRpcMethodAttribute("", RequestNamespace="getInfo",
ResponseNamespace="http://localhost:8070/axis/services/InfoTest")]
    [return: System.Xml.Serialization.SoapElementAttribute("return")]
    public Info getInfo(string in0) {
        object[] results = this.Invoke("getInfo", new object[] {
                    in0});
        return ((Info)(results[0]));
    }

    public System.IAsyncResult BegingetInfo(string in0, System.AsyncCallback callback, object
asyncState) {
        return this.BeginInvoke("getInfo", new object[] {
                    in0}, callback, asyncState);
    }

    public Info EndgetInfo(System.IAsyncResult asyncResult) {
        object[] results = this.EndInvoke(asyncResult);
        return ((Info)(results[0]));
    }
}

[System.Xml.Serialization.SoapTypeAttribute("Info", "urn:info")]
public class Info {
    public string Name;
    public string ID;
}


----[C# client source]----

using System;

namespace InfoTestClient
{
 class Class1
 {
  static void Main(string[] args)
  {
   InfoTestService service = new InfoTestService();
   Info info1 = service.getInfo("ID001");
   Console.WriteLine("ID=[" + info1.ID + "] Name=[" + info1.Name + "]");
  }
 }
}


----[SOAP Request(C# client)]----

<?xml version="1.0" encoding="utf-8"?>
<soap:Envelope xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/" xmlns:soapenc="http://schemas.xmlsoap.org/soap/encoding/"
xmlns:tns="http://localhost:8070/axis/services/InfoTest" xmlns:types="http://localhost:8070/axis/services/InfoTest/encodedTypes"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema">
<soap:Body soap:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/">
<q1:getInfo xmlns:q1="getInfo">
  <in0 xsi:type="xsd:string">ID001</in0>
</q1:getInfo>
</soap:Body>
</soap:Envelope>


----[SOAP Response(Axis beta2)]----

<?xml version="1.0" encoding="UTF-8"?>
<SOAP-ENV:Envelope xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/" xmlns:xsd="http://www.w3.org/2001/XMLSchema"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
 <SOAP-ENV:Body>
  <ns1:getInfoResponse SOAP-ENV:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/"
xmlns:ns1="getInfo">
   <getInfoReturn href="#id0"/>
  </ns1:getInfoResponse>
  <multiRef id="id0" SOAP-ENC:root="0" encodingStyle="http://schemas.xmlsoap.org/soap/encoding/"
xsi:type="ns3:Info"
xmlns:SOAP-ENC="http://schemas.xmlsoap.org/soap/encoding/" xmlns:ns2="http://schemas.xmlsoap.org/soap/envelope/:encodingStyle"
xmlns:ns3="urn:info">
   <name xsi:type="xsd:string">Christy</name>
   <ID xsi:type="xsd:string">ID001</ID>
  </multiRef>
 </SOAP-ENV:Body>
</SOAP-ENV:Envelope>



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