};
}
@SuppressWarnings("unchecked")
protected <T> T doRefer(Class<T> serviceType, URL url) throws RpcException {
HessianProxyFactory hessianProxyFactory = new HessianProxyFactory();
String client = url.getParameter(Constants.CLIENT_KEY, Constants.DEFAULT_HTTP_CLIENT);
if ("httpclient".equals(client)) {
hessianProxyFactory.setConnectionFactory(new HttpClientConnectionFactory());
} else if (client != null && client.length() > 0 && ! Constants.DEFAULT_HTTP_CLIENT.equals(client)) {
throw new IllegalStateException("Unsupported http protocol client=\"" + client + "\"!");
}
int timeout = url.getParameter(Constants.TIMEOUT_KEY, Constants.DEFAULT_TIMEOUT);
hessianProxyFactory.setConnectTimeout(timeout);
hessianProxyFactory.setReadTimeout(timeout);
return (T) hessianProxyFactory.create(serviceType, url.setProtocol("http").toJavaURL(), Thread.currentThread().getContextClassLoader());
}