code: public static boolean contains(Configuration jobConf, String name) {
  		if (StringUtils.isNotBlank(jobConf.get(name))) {
  			return true;
  		} else {
  			return false;
  		}
  	}
docs: checks if the jobConf contains a certain parameter
  
  @param jobConf
  @param name
  @return true if the job conf contains that parameter
  false if the job conf does not contain that parameter