RancherAPI.java

private String readAll(Reader rd) throws IOException {
    StringBuilder sb = new StringBuilder();
    int cp;
    while ((cp = rd.read()) != -1) {
      sb.append((char) cp);
    }
    return sb.toString();
  }

  public JSONObject readJsonFromUrl(String url) {
    try {
        
      URLConnection connection = new URL(url).openConnection();
      HttpsURLConnection httpConn = (HttpsURLConnection) connection;
      httpConn.setRequestProperty("Authorization", "Bearer " + rancherBearerToken);

      InputStream is = httpConn.getInputStream();

      try {
        BufferedReader rd = new BufferedReader(new InputStreamReader(is, Charset.forName("UTF-8")));
        String jsonText = readAll(rd);
        JSONObject json = new JSONObject(jsonText);
        return json;
      } catch (JSONException ex) {
        Logger.getLogger(RancherClient.class.getName()).log(Level.SEVERE, null, ex);
      } finally {
        is.close();
      }
    } catch (IOException ex) {
      Logger.getLogger(RancherClient.class.getName()).log(Level.SEVERE, null, ex);
    }
    return null;
  }