code: public static String separatorsToSystem(String path) {
  		if (path == null) {
  			return null;
  		}
  		if (EnvUtil.isWindows()) {
  			return separatorsToWindows(path);
  		} else {
  			return separatorsToUnix(path);
  		}
  	}
docs: Converts all separators to the system separator.
  
  @param path
  the path to be changed, null ignored
  @return the updated path