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package com.datastax.util.web;

import com.alibaba.fastjson.JSON;
import org.codehaus.jackson.JsonFactory;
import org.codehaus.jackson.map.ObjectMapper;
import org.codehaus.jackson.type.TypeReference;

import java.io.IOException;
import java.lang.reflect.Array;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

/**
 * Anders Hong 6/24/2015.
 */
public class JSONUtil {
    public static HashMap jsonToMap(String json){
        JsonFactory factory = new JsonFactory();
        ObjectMapper mapper = new ObjectMapper(factory);
        TypeReference> typeRef
                = new TypeReference>() {};
        try {
            return mapper.readValue(json, typeRef);
        } catch (IOException e) {
            e.printStackTrace();
        }
        return null;
    }

    public static List jsonToList(String json){
        JsonFactory factory = new JsonFactory();
        ObjectMapper mapper = new ObjectMapper(factory);
        TypeReference> typeRef
                = new TypeReference>() {};
        try {
            return mapper.readValue(json, typeRef);
        } catch (IOException e) {
            e.printStackTrace();
        }
        return null;
    }

    public static Object find(HashMap map,String path){
        String[] nodes=path.split("/");
        for(int i=0;i)map.get(node);
            }
        }
        return null;
    }

    public static Object findAdvance(HashMap map,String path){
        String[] nodes=path.split("/");
        Object o=map.get(nodes[0]);
        for(int i=1;i T getEntity(String jsonString, Class clazz){
        return JSON.parseObject(jsonString,clazz);
    }

    public static  T getEntity(String json, com.alibaba.fastjson.TypeReference type){
        return JSON.parseObject(json,type);
    }

    public static  List parseList(String json,Class clazz){
        return JSON.parseArray(json,clazz);
    }

    public static  T[] parseArray(String json,Class clazz){
        List list=parseList(json,clazz);
        T[] ts= (T[])Array.newInstance(clazz,list.size());
        ts=list.toArray(ts);
        return ts;
    }

}