Iterator iter = name_mappings_by_mime_.values().iterator();
Iterator iter = values.iterator();
  public String[] getNameMappings()  {    Set all_mappings = new HashSet();        Iterator iter = name_mappings_by_mime_.values().iterator();    while (iter.hasNext())    {      Set mappings = (Set) iter.next();      if (mappings != null)      {        all_mappings.addAll(mappings);      }    }       String[] result = new String[all_mappings.size()];        return (String[]) all_mappings.toArray(result);  }