调用soap webservice从带有轴的java客户端返回对象列表

2024-03-04

我对网络服务感到恼火。

我有一个非常简单的肥皂网络服务:

@Remote
public interface StudentService
{
public String sayHello();
public List<Student> getStudents();
}

And

@Stateless
@WebService
public class StudentServiceImpl implements StudentService
{

@Override
public String sayHello()
{
    return "Hello World";
}

public List<Student> getStudents()
{
    List<Student> students = new ArrayList<Student>();

    Student st1 = new Student();
    st1.setMatricule(1234);
    st1.setName("student1");
    students.add(st1);

    Student st2 = new Student();
    st2.setMatricule(5678);
    st2.setName("student2");
    students.add(st2);

    return students;
    }
}

And

public class Student implements Serializable
{
private static final long serialVersionUID = 8286393242028201686L;

private int matricule; 
private String name;

public int getMatricule()
{
    return matricule;
}
public void setMatricule(int matricule)
{
    this.matricule = matricule;
}

public String getName()
{
    return name;
}
public void setName(String name)
{
    this.name = name;
}
}

我在 glassfish 3.1 下部署该服务。

使用 glassfish 控制台,它正在工作。

<?xml version="1.0" encoding="UTF-8"?>
<S:Envelope xmlns:S="http://schemas.xmlsoap.org/soap/envelope/">
    <S:Body>
        <ns2:getStudentsResponse xmlns:ns2="http://services.tuto.java.com/">
            <return>
                <matricule>1234</matricule>
                <name>student1</name>
            </return>
            <return>
                <matricule>5678</matricule>
                <name>student2</name>
            </return>
        </ns2:getStudentsResponse>
    </S:Body>
</S:Envelope>

使用 php 它也可以工作(对于两种方法)。

现在有一个java客户端:

import javax.xml.namespace.QName;

import org.apache.axis.client.Call;
import org.apache.axis.client.Service;

public class Client
{
public static void main(String[] args) throws Exception
{
    String endPoint = "http://localhost:8080/StudentServiceImplService/StudentServiceImpl";

    Service service = new Service();
    Call call = (Call) service.createCall();
    call.setTargetEndpointAddress(new java.net.URL(endPoint));
    call.setOperationName(new QName("http://services.tuto.java.com/","sayHello"));

    System.out.println(call.invoke(new Object[0]));

    Service service2 = new Service();
    Call call2 = (Call) service2.createCall();
    call2.setTargetEndpointAddress(new java.net.URL(endPoint));
    call2.setOperationName(new QName("http://services.tuto.java.com/","getStudents"));

    System.out.println(call2.invoke(new Object[0]));
    }
}

第一个呼叫有效,但第二个呼叫无效。

Hello World
12-mars-2012 14:53:23 org.apache.axis.client.Call invoke
GRAVE: Exception:
org.xml.sax.SAXException: SimpleDeserializer encountered a child element, which is NOT expected, in something it was trying to deserialize.
at org.apache.axis.encoding.ser.SimpleDeserializer.onStartChild(SimpleDeserializer.java:145)
at org.apache.axis.encoding.DeserializationContext.startElement(DeserializationContext.java:1035)
at org.apache.axis.message.SAX2EventRecorder.replay(SAX2EventRecorder.java:165)
at org.apache.axis.message.MessageElement.publishToHandler(MessageElement.java:1141)
at org.apache.axis.message.RPCElement.deserialize(RPCElement.java:345)
at org.apache.axis.message.RPCElement.getParams(RPCElement.java:384)
at org.apache.axis.client.Call.invoke(Call.java:2467)
at org.apache.axis.client.Call.invoke(Call.java:2366)
at org.apache.axis.client.Call.invoke(Call.java:1812)
at Client.main(Client.java:24)

我能做些什么 ?

经过几个小时在互联网上搜索并尝试不同的解决方案后仍然没有任何效果......

有简单的解决办法吗?

Thanks.

Edit :

还尝试过:

public class SoapClient
{
public static void main(String[] args) throws Exception
{
    SOAPMappingRegistry smr = new SOAPMappingRegistry();
    BeanSerializer beanSer = new BeanSerializer();
    smr.mapTypes(Constants.NS_URI_SOAP_ENC,new QName("http://services.tuto.java.com/", "StudentServiceImplService"),Student.class, beanSer, beanSer);       

    Call call = new Call();
    call.setSOAPMappingRegistry(smr);
    call.setEncodingStyleURI(Constants.NS_URI_SOAP_ENC);

    call.setTargetObjectURI("http://services.tuto.java.com/");
    call.setMethodName("getStudents");

    Response resp;
    try
    {
        resp = call.invoke(new URL("http://8h9l45j:8080/StudentServiceImplService/StudentServiceImpl"), "");
    }
    catch (SOAPException e)
    {
        System.err.println("Caught SOAPException (" +
          e.getFaultCode() + "): " + e.getMessage());
        return;
    }

    if (!resp.generatedFault())
    {
        Parameter ret = resp.getReturnValue();
        Object value = ret.getValue();
        if ( value != null )
        {
            String[] tlist = (String[])value;
            System.out.println();
            for ( int i = 0; i < tlist.length; i++ )
                System.out.println(tlist[i]);
        }
    }
    else
    {
        Fault fault = resp.getFault();
        System.err.println("Generated fault: ");
        System.out.println ("  Fault Code   = "
                            + fault.getFaultCode());
        System.out.println ("  Fault String = "
                            + fault.getFaultString());
    }
}

结果是:

Caught SOAPException (SOAP-ENV:Client): No Deserializer found to deserialize a ':return' using encoding style 'http://schemas.xmlsoap.org/soap/encoding/'.

使用肥皂客户端响应的第一个元素。

问题来自于映射类型名称空间:没有名称空间

所以现在,我有

    smr.mapTypes(Constants.NS_URI_SOAP_ENC,new QName("","student"),Student.class, null, new BeanSerializer());  
    smr.mapTypes(Constants.NS_URI_SOAP_ENC,new QName("","matricule"),Integer.class, null, new IntDeserializer());   
    smr.mapTypes(Constants.NS_URI_SOAP_ENC,new QName("","name"),Integer.class, null, new StringDeserializer()); 

并且还添加

@XmlRootElement(name = "Student",namespace="http://services.tuto.java.com/")

到学生班级

<?xml version="1.0" encoding="UTF-8"?>
<S:Envelope xmlns:S="http://schemas.xmlsoap.org/soap/envelope/">
    <S:Body>
        <ns2:getStudentsResponse xmlns:ns2="http://services.tuto.java.com/">
            <student>
                <matricule>1236</matricule>
                <name>student1</name>
            </student>
            <student>
                <matricule>5678</matricule>
                <name>student2</name>
            </student>
        </ns2:getStudentsResponse>
    </S:Body>
</S:Envelope>

轴客户端:

 public class AxisClient
{
    public static void main(String[] args) throws Exception
    {
    String endPoint = "http://localhost:8080/StudentServiceImplService/StudentServiceImpl";
    Service service2 = new Service();
    Call call2 = (Call) service2.createCall();
    call2.setTargetEndpointAddress(new java.net.URL(endPoint));
    call2.setOperationName(new QName("http://services.tuto.java.com/","getStudents"));
    call2.setReturnType(new QName("","student"), Student.class);
    call2.setReturnType(new QName("", "student"));
    call2.registerTypeMapping(Student.class, new QName("", "student"), null,new BeanDeserializerFactory(Student.class, new QName("", "student")));
    List<Student> students = (List<Student>) call2.invoke(new Object[0]);
    for (Student student : students)
    {
        System.out.println(student);
    }
    }
 }

Giving all学生 :

Student [matricule=1236, name=student1]
Student [matricule=5678, name=student2]

axis2客户端:

public static void main(String[] args) throws Exception
{
    String endPoint = "http://localhost:8080/StudentServiceImplService/StudentServiceImpl";

    ServiceClient sc = new ServiceClient();

    Options opts = new Options();
    opts.setTo(new EndpointReference("http://localhost:8080/StudentServiceImplService/StudentServiceImpl"));
    sc.setOptions(opts);

    OMFactory fac = OMAbstractFactory.getOMFactory();
    OMNamespace omNs = fac.createOMNamespace("http://services.tuto.java.com/","ns1");

    OMElement method = fac.createOMElement("getStudents", omNs);
    OMElement res = sc.sendReceive(method);
    System.out.println(res);

    Iterator<OMElement> it = res.getChildElements();
    while(it.hasNext())
    {
        System.out.println(it.next());
    }
}

Giving

<ns2:getStudentsResponse xmlns:ns2="http://services.tuto.java.com/"><student><matricule>1236</matricule><name>student1</name></student><student><matricule>5678</matricule><name>student2</name></student></ns2:getStudentsResponse>
<student><matricule>1236</matricule><name>student1</name></student>
<student><matricule>5678</matricule><name>student2</name></student>

但我不知道如何反序列化 omelement。

我尝试过

Student student = (Student) BeanUtil.deserialize(Student.class,res,new DefaultObjectSupplier(),null);

但给了我

Student [matricule=null, name=null]

我能怎么做 ?

留下问题:

  • 不知道如何对轴做同样的事情--好的请参阅之前--/axis 2
  • 'resp'(soap 客户端)包含仅第一 student
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