这是观察 SOAP 消息的另一种方法:
假设生成的客户端类如下所示:
// generated service class
public class MyWebServiceClient extends javax.xml.ws.Service {
// ...
private final QName portName = "...";
// ...
public RetrieveMyObjects getRetrieveMyObjects() {
return super.getPort(portName, RetrieveMyObject.class);
}
// ...
}
// generated port interface
// annotations here
public interface RetrieveMyObjects {
// annotations here
List<MyObject> getAll();
}
现在,在执行以下代码时:
MyWebServiceClient wsClient = new MyWebServiceClient("wsdl/location/url/here.wsdl");
RetrieveMyObjectsPort retrieveMyObjectsPort = wsClient.getRetrieveMyObjects();
wsClient
RetrieveMyObjects
应该返回既是&javax.xml.ws.BindingProvider
接口的实例的实例。JAX-WS 表面上没有任何地方说明,但似乎很多代码都是基于这个事实。可以通过执行以下操作来重新向他/她自己保证:
if(!(retrieveMyObjectsPort instanceof javax.xml.ws.BindingProvider)) {
throw new RuntimeException("retrieveMyObjectsPort is not instance of " + BindingProvider.class + ". Redirect following as well as authentication is not possible");
}
现在,当我们确定这retrieveMyObjectsPort
是一个实例时,我们可以通过在每个所需的 Web 服务端口接口上调用以下方法javax.xml.ws.BindingProvider
来启用日志记录:SOAPMessage
/**
* Enables logging of send and received SOAP messages on the specified {@link BindingProvider}s
*/
private static void enableSoapMessageLogging(final Logger logger, final BindingProvider... bindingProviders) {
for(final BindingProvider bindingProvider : bindingProviders) {
final List<Handler> handlerChain = bindingProvider.getBinding().getHandlerChain();
handlerChain.add(new SOAPHandler<SOAPMessageContext>() {
@Override
public boolean handleMessage(final SOAPMessageContext context) {
try {
final ByteArrayOutputStream baos = new ByteArrayOutputStream();
context.getMessage().writeTo(baos);
logger.trace(new String(baos.toByteArray()));
} catch(final Exception e) {
logger.error("", e);
}
return true;
}
@Override
public boolean handleFault(final SOAPMessageContext context) {
return true;
}
@Override
public void close(final MessageContext context) {
}
@Override
public Set<QName> getHeaders() {
return null;
}
});
bindingProvider.getBinding().setHandlerChain(handlerChain);
}
}
// and somewhere at the beginning of application ...
enableSoapMessageLogging(logger, (BindingProvider) retrieveMyObjectsPort);
希望这可以帮助