Invoking Webservice Methods from Java

	/**
	 * Invoke webservice to retrive data
	 * 
	 * @param <T>
	 *            Return type the service will return
	 * @param T
	 * @param methodName
	 *            name of method to execute
	 * @param methodArgument
	 *            need to match the methods in the webservice
	 * @return
	 */
	public <T> T invokeWebserviceService(Class<?> T, String methodName,
			Object... methodArgument) {
		T result = null;
		try {
			HttpServletRequest req = getRequest();
			String host = req.getServerName();
			String schema = "http";
			if ("https".equals(req.getScheme())) {
				schema = "https";
				// Need to overide HostnameVerifier otherwise it throws a
				// exception when we are using selfsigned certificates
				HostnameVerifier hv = new HostnameVerifier() {
					public boolean verify(String urlHostName, SSLSession session) {
						return true;
					}
				};
				HttpsURLConnection.setDefaultHostnameVerifier(hv);
			}
 
			String wsdlURL = schema + "://" + host
					+ "/webservices/RiskBean"
					+ schema.toUpperCase() + "?wsdl";
			URL url = new URL(wsdlURL);
 
			String ns = "http://reporting.ws.com/";
			QName qname = new QName(ns, "RiskService"
					+ schema.toUpperCase());
			QName port = new QName(ns, "RiskBean"
					+ schema.toUpperCase() + "Port");
			QName operation = new QName(ns, methodName);
 
			ServiceFactory riskServiceFactory = ServiceFactory.newInstance();
			Service riskService = riskServiceFactory.createService(url, qname);
 
			Call call = riskService.createCall(port, operation);
			result = (T) call.invoke(methodArgument);
		} catch (Exception e) {
			e.printStackTrace();
		}
		return result;
	}