com.silentgo.json.deserializer.MapDeserializer Maven / Gradle / Ivy

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package com.silentgo.json.deserializer;

import com.silentgo.json.mapping.ReaderKit;
import com.silentgo.json.model.JSONEntity;
import com.silentgo.json.model.JSONObject;
import com.silentgo.utils.reflect.SGField;

import java.util.HashMap;
import java.util.Map;

/**
 * Project : json
 * Package : com.silentgo.json.deserializer
 *
 * @author teddyzhu
 *         
 *         Created by teddyzhu on 2017/1/11.
 */
public class MapDeserializer implements Deserializer {

    private Deserializer child;

    public MapDeserializer() {
    }

    public MapDeserializer(Deserializer child) {
        this.child = child;
    }

    public Deserializer getChild() {
        return child;
    }

    public void setChild(Deserializer child) {
        this.child = child;
    }

    @Override
    public Object getObject(JSONEntity entity, SGField sgField, Object key, Object target) {
        JSONObject jsonObject = ReaderKit.getTarget(entity, JSONObject.class, "json can not be transformed to json object");

        Map map = target == null ? new HashMap<>() : (Map) target;
        Map objectMap = jsonObject.get();

        objectMap.forEach((k, v) -> map.put(k, child.getObject(v, null, k, null)));
        return map;
    }
}