package com.qxueyou.scc.base.util;

import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import java.util.Map.Entry;
import java.util.StringTokenizer;

import org.apache.commons.lang3.StringUtils;

import com.alibaba.fastjson.JSON;

/**
 * String  和  map<String,String>的转换
 * @author ody.yuan
 *
 */
public class StringMapUtils {
	
	/**
	 * Map<String,String> 转 String
	 * 
	 * @param map         需要转换的map
	 * @return
	 */
	public static String transMapToString(Map<String,String> map){
		
		if(null == map || map.isEmpty()){
			return "";
		}
		
		Entry<String,String> entry;
		StringBuffer sb = new StringBuffer();  
		for(Iterator<Entry<String, String>> iterator = map.entrySet().iterator(); iterator.hasNext();){
			entry = (Entry<String,String>)iterator.next();  
		    sb.append(entry.getKey().toString()).append( "'" ).append(null==entry.getValue()?"":  
		    entry.getValue().toString()).append (iterator.hasNext() ? "^" : "");  
		}  
		  return sb.toString();  
	}  
	
	/**
	 * 调用transMapToString方法有map转得String，重新转回map
	 * 
	 * @param mapString    调用transMapToString方法有map转得String
	 * @return
	 */
	public static Map<String,String> transStringToMap(String mapString){
		
		if(StringUtils.isBlank(mapString)){
			return new HashMap<String,String>(); 
		}
		
		Map<String,String> map = new HashMap<String,String>();  
		StringTokenizer items;  
		for(StringTokenizer entrys = new StringTokenizer(mapString, "^");entrys.hasMoreTokens();   
		    map.put(items.nextToken(), items.hasMoreTokens() ? (String.valueOf(items.nextToken())) : null)){
			items = new StringTokenizer(entrys.nextToken(), "'");  
		} 
		  return map;  
		}
	
	/**
	 * json 转 map
	 * @param json
	 */
	@SuppressWarnings("unchecked")
	public static Map<String,Object> json2Map(String json){ 
		
	    Map<String,Object> map = (Map<String,Object>)JSON.parse(json); 
	    
	    return map ;
	    
	 }
	
	/**
	 * map 转  json
	 * @param json
	 */
	public static String map2Json(Map<String,Object> map){ 
		
	    String json = JSON.toJSONString(map,true);
	    
	    return json ;
	 }

	/**
	 * 
	 * @param args
	 */
	public static void main(String[] args) {
		
		String a = "{mobilePhone:'aa',userName:'123'}";
		Map<String,Object> m1 = json2Map(a);
		Entry<String,Object> entry1; 
		for(Iterator<Entry<String, Object>> iterator1 = m1.entrySet().iterator(); iterator1.hasNext();)  
		{  
			entry1 = (Entry<String,Object>)iterator1.next();
			System.out.println(entry1.getKey() + ":" + entry1.getValue());
		}
		
		Map<String,String> s = new HashMap<String,String>();
		s.put("qq", "3225545");
		s.put("moile", "133");
		s.put("name", "stkkk");
		
		Map<String,Object> s1 = new HashMap<String,Object>();
		s1.put("qq", "3225545");
		s1.put("moile", "133");
		s1.put("name", "stkkk");
		System.out.println(map2Json(s1));
		
		System.out.println(transMapToString(s));
		
		Map<String,String> m = transStringToMap("qq'3225545^moile'133^name'stkkk");
		Entry<String,String> entry; 
		for(Iterator<Entry<String, String>> iterator = m.entrySet().iterator(); iterator.hasNext();)  
		  {  
		    entry = (Entry<String,String>)iterator.next();
		    System.out.println(entry.getKey() + ":" + entry.getValue());
		  }
		
	}

}