public static void storeNVListToHashMap(
     String filename, OptionList options, Map<String, String> dstMap) {
   if (options == null || options.getOption() == null || options.getOption().isEmpty()) {
     return;
   }
   List<NameValue> optionNvList = options.getOption();
   for (int i = 0; i < optionNvList.size(); i++) {
     NameValue nv = optionNvList.get(i);
     dstMap.put(nv.getName(), nv.getValue());
   }
 }
 public static void putNVList(
     String filename, String containerName, Element optionContainer, List<NameValue> outList)
     throws Exception {
   NodeList childElements = DomParseUtils.getImmediateChildrenByTagName(optionContainer, "option");
   if (childElements == null) {
     return;
   }
   for (int i = 0; i < childElements.getLength(); i++) {
     Element option = (Element) childElements.item(i);
     String name = option.getAttribute("name");
     if (name == null || name.length() == 0) {
       throwError(filename, "Missing option name in option list: '" + containerName + "'");
     }
     String value = DomParseUtils.getText(option);
     if (value == null) {
       throwError(filename, "Missing option value for option list: '" + containerName + "'");
     }
     NameValue nv = new NameValue();
     nv.setName(name);
     nv.setValue(value);
     outList.add(nv);
   }
 }