private String getRemoteData(String url) {
  logger.info("Request URL :" + url + "|");
 
  String resp = rest.getForObject(url, String.class);
 
  logger.info("Response result : " + resp.toString());
  return resp;
 }

private String getRemoteData(String url) {
  logger.info("Request URL :" + url + "|");
  String resp = null;
  try {
   URI uri = new URI(url);
   resp = rest.getForObject(uri, String.class);
  } catch (URISyntaxException e) {
   logger.error("Create URI Exception !");
  }
 
  logger.info("Response result : " + resp.toString());
  return resp;
 }

public static String doGet(String url) throws Exception{
        HttpGet get = new HttpGet(url);
        return doMethod(get);
    }

    private static String doMethod(HttpRequestBase method)throws Exception{
        CloseableHttpResponse response = null;
        CloseableHttpClient client;
        HttpClientBuilder hcb = HttpClientBuilder.create();
        HttpRequestRetryHandler hrrh = new DefaultHttpRequestRetryHandler();
        HttpClientBuilder httpClientBuilder = hcb.setRetryHandler(hrrh);
        client = httpClientBuilder.build();
        method.addHeader("User-Agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
        method.addHeader(HTTP.CONTENT_TYPE, APPLICATION_JSON);
        RequestConfig.Builder confBuilder = RequestConfig.custom();
        confBuilder.setConnectTimeout(CONNECT_TIMEOUT);
        confBuilder.setConnectionRequestTimeout(REQUEST_TIMEOUT);
        confBuilder.setSocketTimeout(SOCKET_TIMEOUT);
        RequestConfig config = confBuilder.build();
        method.setConfig(config);
        response = client.execute(method);
        int code = response.getStatusLine().getStatusCode();
        String result = EntityUtils.toString(response.getEntity());
        response.close();
        client.close();
        return result;
    }

/** * urlencode轉碼不能隨便用，因為她會把空格轉換成+號，而不是標準的%20字符。 * 對于spring構建的服務端不會有這個問題。但我在tiger服務器上遇到這種問題。 * 所以urlencode只適用于服務端支持的協(xié)議是RFC1738 * 如果服務端只支持RFC 2396標準，那么服務端解碼時，會把加號+當成保留字符，而不轉碼 * */
  @Override
    @SuppressWarnings("all")
    public <Req, Resp> Resp doGet(String url, Req request, Class<Resp> responseType) throws Exception {
        UriComponentsBuilder builder = UriComponentsBuilder.fromHttpUrl(url);
        Map<String, Object> parameters = (Map<String, Object>)request;
        for (Map.Entry<String, Object> entry : parameters.entrySet()) {
            builder.queryParam(entry.getKey(), Objects.toString(entry.getValue(), ""));
        }
        return restTemplate.getForObject(builder.build(false).toUri(), responseType);
    }