code: public JSONObject getJobDetails(String mcUrl, String proxyAddress, String proxyUserName, String proxyPassword){
          if(StringUtils.isBlank(fsUserName) || StringUtils.isBlank(fsPassword.getPlainText())){
              return null;
          }
          return JobConfigurationProxy.getInstance().getJobById(mcUrl, fsUserName, fsPassword.getPlainText(), proxyAddress, proxyUserName, proxyPassword, fsJobId);
      }
docs: Get proxy details json object.
  
  @param mcUrl         the mc url
  @param proxyAddress  the proxy address
  @param proxyUserName the proxy user name
  @param proxyPassword the proxy password
  @return the json object