code: public Enumeration<String> getHeaders(String name)
    {
      String value = header(name);
      
      if (value == null) {
        return Collections.emptyEnumeration();
      }
  
      ArrayList<String> list = new ArrayList<String>();
      list.add(value);
  
      return Collections.enumeration(list);
    }
docs: Returns an enumeration of the headers for the named attribute.
  
  @param name the header name