ShellBasedIdMapping.java 文件源码

synchronized private void loadFullGroupMap() throws IOException {
  BiMap<Integer, String> gMap = HashBiMap.create();

  if (OS.startsWith("Mac")) {
    updateMapInternal(gMap, "group", MAC_GET_ALL_GROUPS_CMD, "\\s+",
        staticMapping.gidMapping);
  } else {
    updateMapInternal(gMap, "group", GET_ALL_GROUPS_CMD, ":",
        staticMapping.gidMapping);
  }
  gidNameMap = gMap;
  lastUpdateTime = Time.monotonicNow();
}