package com.wop.util;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import java.util.Set;

import org.dom4j.Document;
import org.dom4j.DocumentException;
import org.dom4j.DocumentHelper;
import org.dom4j.Element;
import org.springframework.util.StringUtils;

public class xmlConvertMapUtil
{
    
	/**
	 * xml 轉 Map
	 * @param xml
	 * @return
	 */
	public static Map<String,String> Dom2Map(String xml)
	{
		Map<String,String> map = new HashMap<String, String>();
		Document doc = null;
		try {
			doc = DocumentHelper.parseText(xml);
		} catch (DocumentException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		if(doc ==null)
			return map;
		Element root = doc.getRootElement();
	  for (Iterator iterator = root.elementIterator(); iterator.hasNext();) {
		 Element e = (Element) iterator.next();
		 map.put(e.getName(), e.getText());
	  }
	  return map;
	}


  
	
	/**
	 * Map 轉 XML
	 * @param map
	 * @return
	 */
	public static byte[] callMapToXML(Map map) {
		System.out.println("將Map轉成Xml, Map：" + map.toString());
		StringBuffer sb = new StringBuffer();
		sb.append("<?xml version=\"1.0\" encoding=\"UTF-8\"?><bizdata>");
		mapToXMLTest2(map, sb);
		sb.append("</bizdata>");
		System.out.println("將Map轉成Xml, Xml：" + sb.toString());
		try {
			return sb.toString().getBytes("UTF-8");
		} catch (Exception e) {
			System.out.println(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 + ">");
				}

			}

		}
	}
	
	
}