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https://issues.apache.org/jira/browse/AXIS2-3977?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Norman Kubicek updated AXIS2-3977:
----------------------------------
Priority: Minor (was: Major)
> Incorrect method parameter names in WSDL document if service method signature
> is defined in an interface instead of a class
> ---------------------------------------------------------------------------------------------------------------------------
>
> Key: AXIS2-3977
> URL: https://issues.apache.org/jira/browse/AXIS2-3977
> Project: Axis 2.0 (Axis2)
> Issue Type: Bug
> Components: kernel
> Affects Versions: 1.4
> Reporter: Norman Kubicek
> Priority: Minor
>
> The signature of the service method is defined in a Java interface instead of
> a class:
> public interface CustomerService
> {
> public Customer getCustomer(String ID);
> }
> Web service requests for all methods are processed from a dynamically created
> class (java.lang.reflect.Proxy) that implements the interface defining the
> service method (CustomerService). The intention behind is to obtain a central
> entry point for different Web services requests.
> public class ServiceInvocationHandler implements InvocationHandler
> {
> public Object invoke(Object proxy, Method method, Object[] args)
> throws Throwable
> {
> ...
> // process Web service requests for all methods
> ...
> }
> }
> The proxy is created by a ServiceObjectSupplier instance:
> public class MyServiceObjectSupplier implements ServiceObjectSupplier
> {
> /**
> * The service interface, specified in the service.xml file
> */
> public static final String SERVICE_CLASS = "ServiceClass";
> public Object getServiceObject(AxisService axisService) throws
> AxisFault
> {
> // create service invocation handler
> ServiceInvocationHandler handler = null;
> handler = new ServiceInvocationHandler();
> // get the name of the interface from the service.xml file
> Parameter proxyName = axisService.getParameter(SERVICE_CLASS);
>
> // create the dynamic proxy
> try
> {
> Class proxyClass =
> Class.forName(((String)proxyName.getValue()).trim());
> Object proxy =
> Proxy.newProxyInstance(proxyClass.getClassLoader(), new Class[] { proxyClass
> }, handler);
> return proxy;
> }
> catch (ClassNotFoundException ex) {
> ex.printStackTrace();
> }
> return null;
> }
> }
> The ServiceObjectSupplier and the interface that is implemented by the proxy
> are specified in the service.xml file
> <service name="CustomerService">
> <parameter name="ServiceClass" locked="false">CustomerService</parameter>
> <parameter name="ServiceObjectSupplier"
> locked="false">MyServiceObjectSupplier</parameter>
> <operation name="getCustomer">
> <messageReceiver
> class="org.apache.axis2.rpc.receivers.RPCMessageReceiver" />
> </operation>
> </service>
> (For reasons of clarity the source code above is simplified.)
> The RPCMessageReceiver and the ServiceObjectSupplier mechanism are used to be
> able to generate WSDL automatically. All works fine. The WSDL document is
> generated w/o any errors and service calls finish successfully.
> There is only one issue in the WSDL document generated by Axis2. The names of
> the parameters specified in the signature of the service method are ignored
> and replaced by names like "param0", "param1" and so on. So the generated
> WSDL document looks like:
> <xs:element name="getCustomer">
> <xs:complexType>
> <xs:sequence>
> <xs:element minOccurs="0" name="param0" nillable="true"
> type="xs:string"/>
> </xs:sequence>
> </xs:complexType>
> </xs:element>
> instead of:
> <xs:element name="getCustomer">
> <xs:complexType>
> <xs:sequence>
> <xs:element minOccurs="0" name="ID" nillable="true" type="xs:string"/>
> </xs:sequence>
> </xs:complexType>
> </xs:element>
> if the signature of the service method is specified in a class.
> I'm not sure if this is really an issue or common behaviour. Is it allowed to
> specify the signature of a service method in a Java interface? During the
> deployment and the WSDL generation there is no warning or error.
> Is it correct that this interface is only implemented by a dynamic proxy
> instead of delivering an implementation class?
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