封装一个按Key排序的Map工具

package test.com.reflect;

import java.util.Arrays;
import java.util.Comparator;
import java.util.HashMap;
import java.util.LinkedHashMap;
import java.util.Map;
import java.util.Set;


public class MapUtill {
    public static void main(String[] args) {
        Map<Object,Object> map = newMap("{‘id‘:‘主键‘,‘age‘:‘年龄‘,‘name‘:‘姓名‘,‘className‘:‘班级‘,‘area‘:{‘code‘:‘代码‘,‘name‘:‘地名‘,‘as‘:‘的‘},‘strs‘:‘发大发‘} ",true);
//        map.putAll(m);
        System.err.println(map);
    }
    public static Map<Object,Object> newMap(){
        return new HashMap<Object,Object>();
    }
    
    public static Map<Object,Object> newMap(String txt){
        return newMap(txt,false);
    }
    
    /**
     * @param txt Map字符串
     * @param sort 是否按txt 排序生成
     * @return
     */
    @SuppressWarnings({ "unchecked", "rawtypes" })
    public static  Map<Object,Object> newMap(String txt,Boolean sort){
        com.alibaba.fastjson.JSONObject jsonObj = com.alibaba.fastjson.JSONObject.parseObject(txt);
        if(!sort) {
            return (Map)jsonObj;
        }
        final String  t = txt;
//        Map<String, Object> rs = sort(jsonObj,new Comparator<String>() {
//            @Override
//            public int compare(String o1, String o2) {
//                if(t.indexOf(o1)> t.indexOf(o2)) {
//                    return 1;
//                }
//                if(t.indexOf(o1)< t.indexOf(o2)) {
//                    return -1;
//                }
//                return 0;
//            }
//        });
        
        Object[] arrKeys = sortKeys((Map)jsonObj,new Comparator<Object>() {
            @Override
            public int compare(Object o1, Object o2) {
                if(t.indexOf((String)o1)> t.indexOf((String)o2)) {
                    return 1;
                }
                if(t.indexOf((String)o1)< t.indexOf((String)o2)) {
                    return -1;
                }
                return 0;
            }
        });
        
        LinkedHashMap<String, Object> rs = new LinkedHashMap<>();
        for (int i = 0; i < arrKeys.length; i++) {
            Object v = jsonObj.get(arrKeys[i]);
            if(v instanceof Map) {
                int key = txt.indexOf((String)arrKeys[i]);
                int  index1 = txt.indexOf("{", key);
                int  index2 = txt.indexOf("}", index1);
                v = newMap(txt.substring(index1,index2+1),false);
            }
            rs.put((String)arrKeys[i], v);
        }
        return (Map)rs;
    }
    
    public static  <K, V> Map<K,V> sort(Map<K,V> map,Comparator<K> comparator){
        LinkedHashMap<K,V> rs = new LinkedHashMap<K,V>();
        K[] arrKeys = sortKeys(map,comparator);
        for (K k : arrKeys) {
            rs.put(k, map.get(k));
        }
        return rs;
    }
    
    @SuppressWarnings("unchecked")
    private static <K, V> K[] sortKeys(Map<K,V> map,Comparator<K> comparator) {
        Set<K> keys = map.keySet();
        K[] arr = (K[])(new Object[keys.size()]);
        K[] arrKeys = keys.toArray(arr);
        Arrays.sort(arrKeys,comparator);
        return arrKeys;
    }
    
}