Log content of SOAP message

publicvoid connect()  {
		Service service = ...
		List<Handler> handlerList = Arrays.asList(new LoggerHandler());
		service.setHandlerResolver(portInfo -> handlerList);
	}class LoggerHandler implements SOAPHandler<SOAPMessageContext> {
		@Overridepublicboolean handleMessage(SOAPMessageContext context) {
			SOAPMessage msg = context.getMessage();if (msg != null) {
				ByteArrayOutputStream baos = new ByteArrayOutputStream();try {
					msg.writeTo(baos);
				}  catch (SOAPException | IOException e) {
					LOGGER.debug("Cannot parse message", e);
				} 
				LOGGER.debug(baos.toString()));
			} else
				LOGGER.debug("null message");return true;
		} 
		@Overridepublicboolean handleFault(SOAPMessageContext context) {return false;
		} 
		@Overridepublicvoid close(MessageContext context) {} 
		@Overridepublic Set<QName> getHeaders() {returnnew TreeSet<>();
		}
	}