xml工具类，把map转为为xml类型的字符串和把xml类型的字符串转化为map

/**
      * 将map转化为xml类型的字符串
      * @param map
      * @return
      */
    public static String callMapToXML(Map map) {
        StringBuffer sb = new StringBuffer();
        sb.append("<xml>");
        mapToXMLTest2(map, sb);
        sb.append("</xml>");
        try {
            return sb.toString();
        } catch (Exception e) {
        }
        return null;
    }
    private static void mapToXMLTest2(Map map, StringBuffer sb) {
        Set set = map.keySet();
        for (Iterator it = set.iterator(); it.hasNext();) {
            String key = (String) it.next();
            Object value = map.get(key);
            if (null == value)
                value = "";
            if (value.getClass().getName().equals("java.util.ArrayList")) {
                ArrayList list = (ArrayList) map.get(key);
                sb.append("<" + key + ">");
                for (int i = 0; i < list.size(); i++) {
                    HashMap hm = (HashMap) list.get(i);
                    mapToXMLTest2(hm, sb);
                }
                sb.append("</" + key + ">");

            } else {
                if (value instanceof HashMap) {
                    sb.append("<" + key + ">");
                    mapToXMLTest2((HashMap) value, sb);
                    sb.append("</" + key + ">");
                } else {
                    sb.append("<" + key + ">" + value + "</" + key + ">");
                }

            }
        }
    }
     /**
      * 把xml类型的字符串转化为map
      * @param responseResult
      * @return
      */
    public static Map<String, Object> getMapFromXML(String xmlStr) {
        SAXBuilder builder = new SAXBuilder();
        Map<String, Object> map = new HashMap<String, Object>();
        try {
            Reader in = new StringReader(xmlStr);
            Document doc = builder.build(in);
            Element root = doc.getRootElement();
            List<Element> list = root.getChildren();
            for (Element e : list)
                map.put(e.getName(), e.getText());
            return map;
        } catch (JDOMException e) {
        } catch (UnsupportedEncodingException e) {
        } catch (IOException e) {
        } catch (Exception e) {
        }
        return map;
    }