import com.sun.xml.internal.ws.api.client.ServiceInterceptorFactory; //导入依赖的package包/类
/**
 * @param serviceClass
 *      Either {@link Service}.class or other generated service-derived classes.
 */
public WSServiceDelegate(@Nullable Source wsdl, @NotNull QName serviceName, @NotNull final Class<? extends Service> serviceClass) {
    //we cant create a Service without serviceName
    if (serviceName == null)
        throw new WebServiceException(ClientMessages.INVALID_SERVICE_NAME_NULL(serviceName));

    InitParams initParams = INIT_PARAMS.get();
    INIT_PARAMS.set(null);  // mark it as consumed
    if(initParams==null)    initParams = EMPTY_PARAMS;

    this.serviceName = serviceName;
    this.serviceClass = serviceClass;
    Container tContainer = initParams.getContainer()!=null ? initParams.getContainer() : ContainerResolver.getInstance().getContainer();
    if (tContainer == Container.NONE) {
        tContainer = new ClientContainer();
    }
    this.container = tContainer;

    // load interceptor
    ServiceInterceptor interceptor = ServiceInterceptorFactory.load(this, Thread.currentThread().getContextClassLoader());
    ServiceInterceptor si = container.getSPI(ServiceInterceptor.class);
    if (si != null) {
        interceptor = ServiceInterceptor.aggregate(interceptor, si);
    }
    this.serviceInterceptor = interceptor;


    //if wsdl is null, try and get it from the WebServiceClient.wsdlLocation
    if(wsdl == null){
        if(serviceClass != Service.class){
            WebServiceClient wsClient = AccessController.doPrivileged(new PrivilegedAction<WebServiceClient>() {
                    public WebServiceClient run() {
                        return serviceClass.getAnnotation(WebServiceClient.class);
                    }
                });
            String wsdlLocation = wsClient.wsdlLocation();
            wsdlLocation = JAXWSUtils.absolutize(JAXWSUtils.getFileOrURLName(wsdlLocation));
            wsdl = new StreamSource(wsdlLocation);
        }
    }
    WSDLServiceImpl service=null;
    if (wsdl != null) {
        try {
            URL url = wsdl.getSystemId()==null ? null : new URL(wsdl.getSystemId());
            WSDLModelImpl model = parseWSDL(url, wsdl);
            service = model.getService(this.serviceName);
            if (service == null)
                throw new WebServiceException(
                    ClientMessages.INVALID_SERVICE_NAME(this.serviceName,
                        buildNameList(model.getServices().keySet())));
            // fill in statically known ports
            for (WSDLPortImpl port : service.getPorts())
                ports.put(port.getName(), new PortInfo(this, port));
        } catch (MalformedURLException e) {
            throw new WebServiceException(ClientMessages.INVALID_WSDL_URL(wsdl.getSystemId()));
        }
    }
    this.wsdlService = service;

    if (serviceClass != Service.class) {
        //if @HandlerChain present, set HandlerResolver on service context
        HandlerChain handlerChain =
                AccessController.doPrivileged(new PrivilegedAction<HandlerChain>() {
                    public HandlerChain run() {
                        return serviceClass.getAnnotation(HandlerChain.class);
                    }
                });
        if (handlerChain != null)
            handlerConfigurator = new AnnotationConfigurator(this);
    }

}